Re: [meteorite-list] HUGE Meteor Sighting in Cottonwood AZ - Stats from fall
Hi Mike! Any post that gets folks in a frenzy. However, this was response to Ruben. Jim On 4/13/2014 6:45 PM, Mike Miller wrote: Hey Jim just curious are you referring to my post here? When I hear about possible rocks on the ground without basis, it bugs me. It reminds me of the calling wolf syndrome. On Sun, Apr 13, 2014 at 5:57 PM, Jim Wooddell jim.woodd...@suddenlink.net mailto:jim.woodd...@suddenlink.net wrote: Hi Ruben, I think Whetstone had far greater evidence of there being stones on the ground if I remember correctly. Didn't Jack find one very shortly after the fall? There were multiple camera captures, sonics and witnesses, both visual and audible. The sonics I refer to do include human witnesses but I tend to look for the sonic station reports if there are any. We certainly could use more sonic stations and that is used to back up and confirm the video records of the events. When I hear about possible rocks on the ground without basis, it bugs me. It reminds me of the calling wolf syndrome. I just do not like seeing people going on wild goose chases but I suppose if that floats their boat that's fine and not my concern. But when I am working an event I wont lead someone to think there is possibly something on the ground when I can't back that up. In the next day or so, the gurus will likely have a good idea on the trajectory of this meteor. There is a lot to consider. I like the idea of work smarter, not harder! So we still have the Tucson eventmultiple camera captures, sonics and lots of witnesses. There ought to be 100 hunters out there looking. Nothing found to date. Jim On 4/13/2014 4:06 PM, Ruben Garcia wrote: Hi all, Jim it's pretty much the same with any meteor event. The truth is unless we have good Doppler information or someone personally witnessed a meteorite strike a house or a car, or there is a stone found - there's not much reason to waste time looking. Most people (me included) thought the Whetstone Mountains meteor event was not worth looking for - It took me over a month to even start the hunt. I wish I'd have started sooner. Also, the lack of Sonic reports may be due to the fact that it landed where no one lives and not that it didn't produce a sonic boom. I've been doing this a long time and I think the bottom line is this: If someone finds a meteorite, just one that went though a roof - most hunters would go try to find more - me included. On Sun, Apr 13, 2014 at 3:47 PM, Jim Wooddell jim.woodd...@suddenlink.net mailto:jim.woodd...@suddenlink.net wrote: Hi Shawn, This is a fairly normal event. Nothing much to get excited about. The calculation is an error.If the 40.8km is the burn out I doubt anyone will waste much time on this one. No sonic reports to speak of and that is also not a good sign. The UT is questionable too! Jim On 4/13/2014 12:57 PM, shawna...@meteoritefalls.com mailto:shawna...@meteoritefalls.com wrote: Hello Listers I found some info on the fall and here is some stats... vel 667.2 km/s beg 135.8 km end 40.8 km Now could a meteorite come from the Vel speed? I mean thats really fast 667.2km, or that could be a mistake, which I think it is? With the meteor ending at 40km there is a possibility there could be some stones on the ground. And after looking at the video I could see the meteor for around 4 seconds and at the end the meteor got brighter. more stats below... Shawn Alan IMCA 1633 ebay store http://www.ebay.com/sch/imca1633nyc/m.html Meteoritefalls.com time 20140413 3.0738 hours lat 32 26 22.632 = 32.4396 deg lon 253 16 38.856 = 253.2775 deg ht 40.775 b -1.38207 7.62031 -17.37020 -7.68054 alp 300.962 +/- 0.462 deg del 70.037 +/- 0.310 deg v_inf 667.240 +/- 977.292 km/s v_avg 667.240 +/- 977.292 km/s a -0.002 +/- 0.006 AU e 493.776 +/- 1444.978 incl 85.761 +/- 3.793 deg omega 168.225 +/- 0.185 deg asc_node 22.922 +/- 0.000 deg v_g 667.102 +/-
Re: [meteorite-list] HUGE Meteor Sighting in Cottonwood AZ - Stats from fall
Huh? I never said there were stones on the ground...I never said anything like that. Only that it was a huge sighting - which it was. However, I hope my posts get people excited about a possible fall, since in my opinion there is no greater rush than someone finding their first fall. So, if my posts get people looking for information (though not actively searching just yet) then I'm happy. Like I said before. If a stone was found and therefor we had a definitive search area many of us would go looking for more. Sonic Boom reports or not! On Mon, Apr 14, 2014 at 7:09 AM, Jim Wooddell jim.woodd...@suddenlink.net wrote: Hi Mike! Any post that gets folks in a frenzy. However, this was response to Ruben. Jim On 4/13/2014 6:45 PM, Mike Miller wrote: Hey Jim just curious are you referring to my post here? When I hear about possible rocks on the ground without basis, it bugs me. It reminds me of the calling wolf syndrome. On Sun, Apr 13, 2014 at 5:57 PM, Jim Wooddell jim.woodd...@suddenlink.net mailto:jim.woodd...@suddenlink.net wrote: Hi Ruben, I think Whetstone had far greater evidence of there being stones on the ground if I remember correctly. Didn't Jack find one very shortly after the fall? There were multiple camera captures, sonics and witnesses, both visual and audible. The sonics I refer to do include human witnesses but I tend to look for the sonic station reports if there are any. We certainly could use more sonic stations and that is used to back up and confirm the video records of the events. When I hear about possible rocks on the ground without basis, it bugs me. It reminds me of the calling wolf syndrome. I just do not like seeing people going on wild goose chases but I suppose if that floats their boat that's fine and not my concern. But when I am working an event I wont lead someone to think there is possibly something on the ground when I can't back that up. In the next day or so, the gurus will likely have a good idea on the trajectory of this meteor. There is a lot to consider. I like the idea of work smarter, not harder! So we still have the Tucson eventmultiple camera captures, sonics and lots of witnesses. There ought to be 100 hunters out there looking. Nothing found to date. Jim On 4/13/2014 4:06 PM, Ruben Garcia wrote: Hi all, Jim it's pretty much the same with any meteor event. The truth is unless we have good Doppler information or someone personally witnessed a meteorite strike a house or a car, or there is a stone found - there's not much reason to waste time looking. Most people (me included) thought the Whetstone Mountains meteor event was not worth looking for - It took me over a month to even start the hunt. I wish I'd have started sooner. Also, the lack of Sonic reports may be due to the fact that it landed where no one lives and not that it didn't produce a sonic boom. I've been doing this a long time and I think the bottom line is this: If someone finds a meteorite, just one that went though a roof - most hunters would go try to find more - me included. On Sun, Apr 13, 2014 at 3:47 PM, Jim Wooddell jim.woodd...@suddenlink.net mailto:jim.woodd...@suddenlink.net wrote: Hi Shawn, This is a fairly normal event. Nothing much to get excited about. The calculation is an error.If the 40.8km is the burn out I doubt anyone will waste much time on this one. No sonic reports to speak of and that is also not a good sign. The UT is questionable too! Jim On 4/13/2014 12:57 PM, shawna...@meteoritefalls.com mailto:shawna...@meteoritefalls.com wrote: Hello Listers I found some info on the fall and here is some stats... vel 667.2 km/s beg 135.8 km end 40.8 km Now could a meteorite come from the Vel speed? I mean thats really fast 667.2km, or that could be a mistake, which I think it is? With the meteor ending at 40km there is a possibility there could be some stones on the ground. And after looking at the video I could see the meteor for around 4 seconds and at the end the meteor got brighter. more stats below... Shawn Alan IMCA 1633 ebay store http://www.ebay.com/sch/imca1633nyc/m.html Meteoritefalls.com time 20140413 3.0738 hours lat
Re: [meteorite-list] HUGE Meteor Sighting in Cottonwood AZ - Stats from fall
Ground level sonics are a very good indicator that meteorites were produced. However, the absence of sonics doesn't argue against meteorites at all. In all likelihood, the majority of meteorite falls are not preceded with either a significant fireball nor any acoustics. We are subject to a very strong observation bias because those tend to be the only sort of events where we can actually correlate meteors to meteorites. And of course, such meteorites represent only a tiny fraction of the total. Regardless of any other factors, fireballs that display either a massive terminal explosion or multiple fragmentation events along their paths warrant close examination as potential meteorite producers. Chris *** Chris L Peterson Cloudbait Observatory http://www.cloudbait.com On 4/13/2014 4:47 PM, Jim Wooddell wrote: Hi Shawn, This is a fairly normal event. Nothing much to get excited about. The calculation is an error.If the 40.8km is the burn out I doubt anyone will waste much time on this one. No sonic reports to speak of and that is also not a good sign. The UT is questionable too! Jim __ Visit the Archives at http://www.meteorite-list-archives.com Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list
Re: [meteorite-list] HUGE Meteor Sighting in Cottonwood AZ - Stats from fall
Thanks Chris, Couldn't have said it better! Maybe the Guru's of Doppler (Fries and Matson) can give us a little better insight as to whether we go or stay this time. On Mon, Apr 14, 2014 at 8:18 AM, Chris Peterson c...@alumni.caltech.edu wrote: Ground level sonics are a very good indicator that meteorites were produced. However, the absence of sonics doesn't argue against meteorites at all. In all likelihood, the majority of meteorite falls are not preceded with either a significant fireball nor any acoustics. We are subject to a very strong observation bias because those tend to be the only sort of events where we can actually correlate meteors to meteorites. And of course, such meteorites represent only a tiny fraction of the total. Regardless of any other factors, fireballs that display either a massive terminal explosion or multiple fragmentation events along their paths warrant close examination as potential meteorite producers. Chris *** Chris L Peterson Cloudbait Observatory http://www.cloudbait.com On 4/13/2014 4:47 PM, Jim Wooddell wrote: Hi Shawn, This is a fairly normal event. Nothing much to get excited about. The calculation is an error.If the 40.8km is the burn out I doubt anyone will waste much time on this one. No sonic reports to speak of and that is also not a good sign. The UT is questionable too! Jim __ Visit the Archives at http://www.meteorite-list-archives.com Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list -- Rock On! Ruben Garcia http://www.MrMeteorite.com __ Visit the Archives at http://www.meteorite-list-archives.com Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list
Re: [meteorite-list] HUGE Meteor Sighting in Cottonwood AZ - Stats from fall
Hi Chris, Yes, and that's what we do! Jim On 4/14/2014 8:18 AM, Chris Peterson wrote: Ground level sonics are a very good indicator that meteorites were produced. However, the absence of sonics doesn't argue against meteorites at all. In all likelihood, the majority of meteorite falls are not preceded with either a significant fireball nor any acoustics. We are subject to a very strong observation bias because those tend to be the only sort of events where we can actually correlate meteors to meteorites. And of course, such meteorites represent only a tiny fraction of the total. Regardless of any other factors, fireballs that display either a massive terminal explosion or multiple fragmentation events along their paths warrant close examination as potential meteorite producers. Chris *** Chris L Peterson Cloudbait Observatory http://www.cloudbait.com On 4/13/2014 4:47 PM, Jim Wooddell wrote: Hi Shawn, This is a fairly normal event. Nothing much to get excited about. The calculation is an error.If the 40.8km is the burn out I doubt anyone will waste much time on this one. No sonic reports to speak of and that is also not a good sign. The UT is questionable too! Jim __ Visit the Archives at http://www.meteorite-list-archives.com Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list - No virus found in this message. Checked by AVG - www.avg.com Version: 2014.0.4355 / Virus Database: 3882/7340 - Release Date: 04/13/14 -- Jim Wooddell jim.woodd...@suddenlink.net http://pages.suddenlink.net/chondrule/ __ Visit the Archives at http://www.meteorite-list-archives.com Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list
Re: [meteorite-list] HUGE Meteor Sighting in Cottonwood AZ - Stats from fall
Hello, Regarding this comment In all likelihood, the majority of meteorite falls are not preceded with either a significant fireball nor any acoustics. I think the majority of meteorite falls that produce finds will exhibit these features based on the meteorite books I have read from Nininger and Norton among others. What do others think? spacerocks.org __ Visit the Archives at http://www.meteorite-list-archives.com Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list
Re: [meteorite-list] HUGE Meteor Sighting in Cottonwood AZ - Stats from fall
The majority that produce _falls_, yes, but not _finds_, I think. That is, your typical find (either a single individual or several pieces) probably didn't come from a spectacular meteor event. Of course, finds in large strewn fields are a different matter. Atmospheric entry models demonstrate that it's not difficult for a small body to drop a few rocks on the ground without ever depositing the sort of energy into the atmosphere we associate with bright fireballs lasting several seconds and producing audible acoustics at ground level. Chris *** Chris L Peterson Cloudbait Observatory http://www.cloudbait.com On 4/14/2014 10:26 AM, Raymond Borges wrote: Hello, Regarding this comment In all likelihood, the majority of meteorite falls are not preceded with either a significant fireball nor any acoustics. I think the majority of meteorite falls that produce finds will exhibit these features based on the meteorite books I have read from Nininger and Norton among others. What do others think? spacerocks.org __ Visit the Archives at http://www.meteorite-list-archives.com Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list
Re: [meteorite-list] HUGE Meteor Sighting in Cottonwood AZ - Stats from fall
Chris Peterson c...@alumni.caltech.edu writes: The majority that produce _falls_, yes, but not _finds_, I think. That is, your typical find (either a single individual or several pieces) probably didn't come from a spectacular meteor event. Of course, finds in large strewn fields are a different matter. Yes. A meteor travelling at 11 km/s only has a 1/4 of the energy of an equally sized meteor travelling at 22 km/s. The fall of the two most recent meteorite finds in Norway can be dated, but none had reports of sound. Most of these meteorite dropping fireballs are not bright enough to be detected because of clouds or daylight, and anything audible can easily be mistaken for thunder or human activity anyway. Atmospheric entry models demonstrate that it's not difficult for a small body to drop a few rocks on the ground without ever depositing the sort of energy into the atmosphere we associate with bright fireballs lasting several seconds and producing audible acoustics at ground level. The most recent find in Norway, a 4,5 kg chondrite, seems to have come from this innocent looking fireball, seen from about 200 km: http://norskmeteornettverk.no/bilder/2013/ildkule-20120203.mp4 The brightness normalised to 100 km distance seems to be around -10, and it was visible for 3.3 seconds, not very impressive. It was photographed by two cameras and the bearings match very well (but there is a ±25 km or so uncertainty, so there is a slight possibility that the fireball is unrelated). The speed was 13 km/s, angle of incidence 57 degrees, and it burned out between 25 and 30 km altitude. I originally dismissed it as a somewhat unlikely meteorite candidate, but when a meteorite was found by chance 16 months later, I'm much less sure and I rather lean towards that it did produce this meteorite. -- Steinar __ Visit the Archives at http://www.meteorite-list-archives.com Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list
Re: [meteorite-list] HUGE Meteor Sighting in Cottonwood AZ - Stats from fall
Hello Listers I found some info on the fall and here is some stats... vel 667.2 km/s beg 135.8 km end 40.8 km Now could a meteorite come from the Vel speed? I mean thats really fast 667.2km, or that could be a mistake, which I think it is? With the meteor ending at 40km there is a possibility there could be some stones on the ground. And after looking at the video I could see the meteor for around 4 seconds and at the end the meteor got brighter. more stats below... Shawn Alan IMCA 1633 ebay store http://www.ebay.com/sch/imca1633nyc/m.html Meteoritefalls.com time 20140413 3.0738 hours lat 32 26 22.632 = 32.4396 deg lon 253 16 38.856 = 253.2775 deg ht 40.775 b -1.38207 7.62031 -17.37020 -7.68054 alp 300.962 +/- 0.462 deg del 70.037 +/- 0.310 deg v_inf 667.240 +/- 977.292 km/s v_avg 667.240 +/- 977.292 km/s a -0.002 +/- 0.006 AU e 493.776 +/- 1444.978 incl 85.761 +/- 3.793 deg omega 168.225 +/- 0.185 deg asc_node 22.922 +/- 0.000 deg v_g 667.102 +/- 977.428 km/s v_h 668.691 +/- 976.474 km/s alp_geo 301.065 +/- 0.482 deg del_geo 70.004 +/- 0.311 deg q_per 0.982 +/- 0.001 AU q_aph -0.986 +/- 0.011 AU lambda 30.964 +/- 1.513 deg beta 78.151 +/- 0.165 deg true anom 11.775 +/- 0.165 deg T_j hyp __ Visit the Archives at http://www.meteorite-list-archives.com Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list
Re: [meteorite-list] HUGE Meteor Sighting in Cottonwood AZ - Stats from fall
There is almost no possibility of a meteor having that speed. The maximum possible velocity a body in orbit around the Sun can encounter the Earth at is 72 km/s. Anything faster than that would exceed the solar escape velocity, implying either some sort of slingshot orbit or a body originating outside the Solar System. Only a few meteors have been observed with velocities above 72 km/s, and those only a bit more, and perhaps of questionable measurement. More are in radar data (small particles), but it has been called into question if these actually have the velocities being measured. Suffice to say, last night's meteor showed the characteristics of a low to medium speed parent body- something between 11 km/s and say 40 km/s. What is the source of the data you are using for your calculations? Chris *** Chris L Peterson Cloudbait Observatory http://www.cloudbait.com On 4/13/2014 1:57 PM, shawna...@meteoritefalls.com wrote: Hello Listers I found some info on the fall and here is some stats... vel 667.2 km/s beg 135.8 km end 40.8 km Now could a meteorite come from the Vel speed? I mean thats really fast 667.2km, or that could be a mistake, which I think it is? With the meteor ending at 40km there is a possibility there could be some stones on the ground. And after looking at the video I could see the meteor for around 4 seconds and at the end the meteor got brighter. more stats below... Shawn Alan IMCA 1633 ebay store http://www.ebay.com/sch/imca1633nyc/m.html Meteoritefalls.com time 20140413 3.0738 hours lat 32 26 22.632 = 32.4396 deg lon 253 16 38.856 = 253.2775 deg ht 40.775 b -1.38207 7.62031 -17.37020 -7.68054 alp 300.962 +/- 0.462 deg del 70.037 +/- 0.310 deg v_inf 667.240 +/- 977.292 km/s v_avg 667.240 +/- 977.292 km/s a -0.002 +/- 0.006 AU e 493.776 +/- 1444.978 incl 85.761 +/- 3.793 deg omega 168.225 +/- 0.185 deg asc_node 22.922 +/- 0.000 deg v_g 667.102 +/- 977.428 km/s v_h 668.691 +/- 976.474 km/s alp_geo 301.065 +/- 0.482 deg del_geo 70.004 +/- 0.311 deg q_per 0.982 +/- 0.001 AU q_aph -0.986 +/- 0.011 AU lambda 30.964 +/- 1.513 deg beta 78.151 +/- 0.165 deg true anom 11.775 +/- 0.165 deg T_j hyp __ Visit the Archives at http://www.meteorite-list-archives.com Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list
Re: [meteorite-list] HUGE Meteor Sighting in Cottonwood AZ - Stats from fall
Hi Shawn, This is a fairly normal event. Nothing much to get excited about. The calculation is an error.If the 40.8km is the burn out I doubt anyone will waste much time on this one. No sonic reports to speak of and that is also not a good sign. The UT is questionable too! Jim On 4/13/2014 12:57 PM, shawna...@meteoritefalls.com wrote: Hello Listers I found some info on the fall and here is some stats... vel 667.2 km/s beg 135.8 km end 40.8 km Now could a meteorite come from the Vel speed? I mean thats really fast 667.2km, or that could be a mistake, which I think it is? With the meteor ending at 40km there is a possibility there could be some stones on the ground. And after looking at the video I could see the meteor for around 4 seconds and at the end the meteor got brighter. more stats below... Shawn Alan IMCA 1633 ebay store http://www.ebay.com/sch/imca1633nyc/m.html Meteoritefalls.com time 20140413 3.0738 hours lat 32 26 22.632 = 32.4396 deg lon 253 16 38.856 = 253.2775 deg ht 40.775 b -1.38207 7.62031 -17.37020 -7.68054 alp 300.962 +/- 0.462 deg del 70.037 +/- 0.310 deg v_inf 667.240 +/- 977.292 km/s v_avg 667.240 +/- 977.292 km/s a -0.002 +/- 0.006 AU e 493.776 +/- 1444.978 incl 85.761 +/- 3.793 deg omega 168.225 +/- 0.185 deg asc_node 22.922 +/- 0.000 deg v_g 667.102 +/- 977.428 km/s v_h 668.691 +/- 976.474 km/s alp_geo 301.065 +/- 0.482 deg del_geo 70.004 +/- 0.311 deg q_per 0.982 +/- 0.001 AU q_aph -0.986 +/- 0.011 AU lambda 30.964 +/- 1.513 deg beta 78.151 +/- 0.165 deg true anom 11.775 +/- 0.165 deg T_j hyp __ Visit the Archives at http://www.meteorite-list-archives.com Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list - No virus found in this message. Checked by AVG - www.avg.com Version: 2014.0.4355 / Virus Database: 3882/7339 - Release Date: 04/13/14 -- Jim Wooddell jim.woodd...@suddenlink.net http://pages.suddenlink.net/chondrule/ __ Visit the Archives at http://www.meteorite-list-archives.com Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list
Re: [meteorite-list] HUGE Meteor Sighting in Cottonwood AZ - Stats from fall
Hi all, Jim it's pretty much the same with any meteor event. The truth is unless we have good Doppler information or someone personally witnessed a meteorite strike a house or a car, or there is a stone found - there's not much reason to waste time looking. Most people (me included) thought the Whetstone Mountains meteor event was not worth looking for - It took me over a month to even start the hunt. I wish I'd have started sooner. Also, the lack of Sonic reports may be due to the fact that it landed where no one lives and not that it didn't produce a sonic boom. I've been doing this a long time and I think the bottom line is this: If someone finds a meteorite, just one that went though a roof - most hunters would go try to find more - me included. On Sun, Apr 13, 2014 at 3:47 PM, Jim Wooddell jim.woodd...@suddenlink.net wrote: Hi Shawn, This is a fairly normal event. Nothing much to get excited about. The calculation is an error.If the 40.8km is the burn out I doubt anyone will waste much time on this one. No sonic reports to speak of and that is also not a good sign. The UT is questionable too! Jim On 4/13/2014 12:57 PM, shawna...@meteoritefalls.com wrote: Hello Listers I found some info on the fall and here is some stats... vel 667.2 km/s beg 135.8 km end 40.8 km Now could a meteorite come from the Vel speed? I mean thats really fast 667.2km, or that could be a mistake, which I think it is? With the meteor ending at 40km there is a possibility there could be some stones on the ground. And after looking at the video I could see the meteor for around 4 seconds and at the end the meteor got brighter. more stats below... Shawn Alan IMCA 1633 ebay store http://www.ebay.com/sch/imca1633nyc/m.html Meteoritefalls.com time 20140413 3.0738 hours lat 32 26 22.632 = 32.4396 deg lon 253 16 38.856 = 253.2775 deg ht 40.775 b -1.38207 7.62031 -17.37020 -7.68054 alp 300.962 +/- 0.462 deg del 70.037 +/- 0.310 deg v_inf 667.240 +/- 977.292 km/s v_avg 667.240 +/- 977.292 km/s a -0.002 +/- 0.006 AU e 493.776 +/- 1444.978 incl 85.761 +/- 3.793 deg omega 168.225 +/- 0.185 deg asc_node 22.922 +/- 0.000 deg v_g 667.102 +/- 977.428 km/s v_h 668.691 +/- 976.474 km/s alp_geo 301.065 +/- 0.482 deg del_geo 70.004 +/- 0.311 deg q_per 0.982 +/- 0.001 AU q_aph -0.986 +/- 0.011 AU lambda 30.964 +/- 1.513 deg beta 78.151 +/- 0.165 deg true anom 11.775 +/- 0.165 deg T_j hyp __ Visit the Archives at http://www.meteorite-list-archives.com Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list - No virus found in this message. Checked by AVG - www.avg.com Version: 2014.0.4355 / Virus Database: 3882/7339 - Release Date: 04/13/14 -- Jim Wooddell jim.woodd...@suddenlink.net http://pages.suddenlink.net/chondrule/ __ Visit the Archives at http://www.meteorite-list-archives.com Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list -- Rock On! Ruben Garcia http://www.MrMeteorite.com __ Visit the Archives at http://www.meteorite-list-archives.com Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list
Re: [meteorite-list] HUGE Meteor Sighting in Cottonwood AZ - Stats from fall
On 4/13/2014 5:06 PM, Ruben Garcia wrote: Also, the lack of Sonic reports may be due to the fact that it landed where no one lives and not that it didn't produce a sonic boom. For what it's worth, I heard what sounded like distant thunder last night at about the right time. This from Cloudcroft. The data described earlier is from ASGARD: http://fireballs.ndc.nasa.gov/ Follow the 20140413 link and look for the 20140413 03:04:25 UTC event. I believe this is an automated system that did the calculation based on the single NMSU camera only. I'm interested in this one because it is in my back yard; in the general area where I have previously hunted. BTW the NMSU camera shows the fireball moving almost directly away. This gives us a radial direction away from the camera. A very preliminary analysis: when I combine this with the nearby visual reports, it appears most likely that any meteorites fell on the White Sands Missile Range. If so, even if it fell through somebody's roof we are not likely going to have access to the area. Greg -- Greg Crinklaw Astronomical Software Developer Cloudcroft, New Mexico skyhound.com __ Visit the Archives at http://www.meteorite-list-archives.com Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list
Re: [meteorite-list] HUGE Meteor Sighting in Cottonwood AZ - Stats from fall
Hi Greg, It wouldn't be the first time a meteor event ended in a restricted zone. I didn't participate, but ask anyone that went looking near Dugway in Utah. If it landed in White Sands it may as well landed in the ocean...it's gone. On Sun, Apr 13, 2014 at 4:21 PM, Greg Crinklaw crink...@tularosa.net wrote: On 4/13/2014 5:06 PM, Ruben Garcia wrote: Also, the lack of Sonic reports may be due to the fact that it landed where no one lives and not that it didn't produce a sonic boom. For what it's worth, I heard what sounded like distant thunder last night at about the right time. This from Cloudcroft. The data described earlier is from ASGARD: http://fireballs.ndc.nasa.gov/ Follow the 20140413 link and look for the 20140413 03:04:25 UTC event. I believe this is an automated system that did the calculation based on the single NMSU camera only. I'm interested in this one because it is in my back yard; in the general area where I have previously hunted. BTW the NMSU camera shows the fireball moving almost directly away. This gives us a radial direction away from the camera. A very preliminary analysis: when I combine this with the nearby visual reports, it appears most likely that any meteorites fell on the White Sands Missile Range. If so, even if it fell through somebody's roof we are not likely going to have access to the area. Greg -- Greg Crinklaw Astronomical Software Developer Cloudcroft, New Mexico skyhound.com __ Visit the Archives at http://www.meteorite-list-archives.com Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list -- Rock On! Ruben Garcia http://www.MrMeteorite.com __ Visit the Archives at http://www.meteorite-list-archives.com Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list
Re: [meteorite-list] HUGE Meteor Sighting in Cottonwood AZ - Stats from fall
Hi Ruben, I think Whetstone had far greater evidence of there being stones on the ground if I remember correctly. Didn't Jack find one very shortly after the fall? There were multiple camera captures, sonics and witnesses, both visual and audible. The sonics I refer to do include human witnesses but I tend to look for the sonic station reports if there are any. We certainly could use more sonic stations and that is used to back up and confirm the video records of the events. When I hear about possible rocks on the ground without basis, it bugs me. It reminds me of the calling wolf syndrome. I just do not like seeing people going on wild goose chases but I suppose if that floats their boat that's fine and not my concern. But when I am working an event I wont lead someone to think there is possibly something on the ground when I can't back that up. In the next day or so, the gurus will likely have a good idea on the trajectory of this meteor. There is a lot to consider. I like the idea of work smarter, not harder! So we still have the Tucson eventmultiple camera captures, sonics and lots of witnesses. There ought to be 100 hunters out there looking. Nothing found to date. Jim On 4/13/2014 4:06 PM, Ruben Garcia wrote: Hi all, Jim it's pretty much the same with any meteor event. The truth is unless we have good Doppler information or someone personally witnessed a meteorite strike a house or a car, or there is a stone found - there's not much reason to waste time looking. Most people (me included) thought the Whetstone Mountains meteor event was not worth looking for - It took me over a month to even start the hunt. I wish I'd have started sooner. Also, the lack of Sonic reports may be due to the fact that it landed where no one lives and not that it didn't produce a sonic boom. I've been doing this a long time and I think the bottom line is this: If someone finds a meteorite, just one that went though a roof - most hunters would go try to find more - me included. On Sun, Apr 13, 2014 at 3:47 PM, Jim Wooddell jim.woodd...@suddenlink.net wrote: Hi Shawn, This is a fairly normal event. Nothing much to get excited about. The calculation is an error.If the 40.8km is the burn out I doubt anyone will waste much time on this one. No sonic reports to speak of and that is also not a good sign. The UT is questionable too! Jim On 4/13/2014 12:57 PM, shawna...@meteoritefalls.com wrote: Hello Listers I found some info on the fall and here is some stats... vel 667.2 km/s beg 135.8 km end 40.8 km Now could a meteorite come from the Vel speed? I mean thats really fast 667.2km, or that could be a mistake, which I think it is? With the meteor ending at 40km there is a possibility there could be some stones on the ground. And after looking at the video I could see the meteor for around 4 seconds and at the end the meteor got brighter. more stats below... Shawn Alan IMCA 1633 ebay store http://www.ebay.com/sch/imca1633nyc/m.html Meteoritefalls.com time 20140413 3.0738 hours lat 32 26 22.632 = 32.4396 deg lon 253 16 38.856 = 253.2775 deg ht 40.775 b -1.38207 7.62031 -17.37020 -7.68054 alp 300.962 +/- 0.462 deg del 70.037 +/- 0.310 deg v_inf 667.240 +/- 977.292 km/s v_avg 667.240 +/- 977.292 km/s a -0.002 +/- 0.006 AU e 493.776 +/- 1444.978 incl 85.761 +/- 3.793 deg omega 168.225 +/- 0.185 deg asc_node 22.922 +/- 0.000 deg v_g 667.102 +/- 977.428 km/s v_h 668.691 +/- 976.474 km/s alp_geo 301.065 +/- 0.482 deg del_geo 70.004 +/- 0.311 deg q_per 0.982 +/- 0.001 AU q_aph -0.986 +/- 0.011 AU lambda 30.964 +/- 1.513 deg beta 78.151 +/- 0.165 deg true anom 11.775 +/- 0.165 deg T_j hyp __ Visit the Archives at http://www.meteorite-list-archives.com Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list - No virus found in this message. Checked by AVG - www.avg.com Version: 2014.0.4355 / Virus Database: 3882/7339 - Release Date: 04/13/14 -- Jim Wooddell jim.woodd...@suddenlink.net http://pages.suddenlink.net/chondrule/ __ Visit the Archives at http://www.meteorite-list-archives.com Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list -- Jim Wooddell jim.woodd...@suddenlink.net http://pages.suddenlink.net/chondrule/ __ Visit the Archives at http://www.meteorite-list-archives.com Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list
[meteorite-list] HUGE Meteor Sighting in Cottonwood AZ - Stats from fall
Hello Lister Whetstone did have a lot of evidence and a video, which this fall that happened yesterday has video as well. My question is the fireball went out around 40km, that some what high, but you never know till some finds a stone like Ruben said or if someone can find some bounce back on the Doppler :) which I just ordered some graphs and hope tonight when I have some time I can check out the data and see if I see anything. Shawn Alan IMCA 1633 ebay store http://www.ebay.com/sch/imca1633nyc/m.html www.meteoritefalls.com __ Visit the Archives at http://www.meteorite-list-archives.com Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list
