[amsat-bb] Re: TACSAT 3 Question

2012-05-12 Thread Thomas Doyle
Message- > From: amsat-bb-boun...@amsat.org [mailto:amsat-bb-boun...@amsat.org] On > Behalf Of Paul Williamson > Sent: Saturday, May 12, 2012 3:17 AM > To: Thomas Doyle > Cc: AMSAT-BB@amsat.org > Subject: [amsat-bb] Re: TACSAT 3 Question > > On May 11, 2012, at 12:59

[amsat-bb] Re: TACSAT 3 Question

2012-05-12 Thread Alan P. Biddle
To: Thomas Doyle Cc: AMSAT-BB@amsat.org Subject: [amsat-bb] Re: TACSAT 3 Question On May 11, 2012, at 12:59 PM, Thomas Doyle wrote: > There must be a better way to detect re-entry than simply than throwing an > unhandled exception. > > You guys seem to be the experts - any suggestions

[amsat-bb] Re: TACSAT 3 Question

2012-05-12 Thread Paul Williamson
On May 11, 2012, at 12:59 PM, Thomas Doyle wrote: > There must be a better way to detect re-entry than simply than throwing an > unhandled exception. > > You guys seem to be the experts - any suggestions on how to do it ? > It seems to be related to the BSTAR drag value. Some say when the BSTAR >

[amsat-bb] Re: TACSAT 3 Question

2012-05-11 Thread Thomas Doyle
Bob and Alan, There must be a better way to detect re-entry than simply than throwing an unhandled exception. You guys seem to be the experts - any suggestions on how to do it ? It seems to be related to the BSTAR drag value. Some say when the BSTAR drag value gets "too high" the sat has re-enter

[amsat-bb] Re: TACSAT 3 Question

2012-05-11 Thread Alan P. Biddle
Tom, According to Space Track, TACSAT 3 reentered April 30th. The final Keps will normally have huge values for drag, etc which may break the standard predictive calculations. 73s, Alan WA4SCA TIP Reports for Object 35001, TACSAT 3, (Decayed 2012-04-30), US Report Date/Time2012-05-01