Thanks to John, Roland, and Alan for answering this. Makes perfect sense, I was having a head-scratching moment though. Enlightenment received and appreciated!
N8UX. At 09:09 AM 8/8/2011, you wrote: >Rich, > >Orbital dynamics are not all that intuitive. Hand waving answer: By >kicking it off the tailgate, it was deployed into a _slightly_ lower orbit. >You can see that showing up in your tracking programs as well. However, >objects in lower orbits have shorter periods. At 370 km the ISS is about 90 >minutes, while satellites at 36,000 km take a day, and are geosynchronous. >In fact, as the nominal altitude of the ISS, a single kilometer change of >height results in a 19 second difference per day in the AOS. That has been >adding up. > >73s, > >Alan >WA4SCA > > > >-----Original Message----- >From: amsat-bb-boun...@amsat.org [mailto:amsat-bb-boun...@amsat.org] On >Behalf Of Rich Dailey >Sent: Monday, August 08, 2011 7:44 AM >To: amsat-bb@amsat.org >Subject: [amsat-bb] ARISSat deployment direction? > >I've seen several comments and reports stating the deployment was >against the ISS velocity vector. Why do I see arissat out ahead of ISS >by a few hundred miles? Keps are current, and 3 tracking programs are in >agreement. Can someone provide enlightenment? tnx...:-) > >Rich, N8UX. > >_______________________________________________ >Sent via AMSAT-BB@amsat.org. Opinions expressed are those of the author. >Not an AMSAT-NA member? Join now to support the amateur satellite program! >Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb > > >_______________________________________________ >Sent via AMSAT-BB@amsat.org. Opinions expressed are those of the author. >Not an AMSAT-NA member? Join now to support the amateur satellite program! >Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb _______________________________________________ Sent via AMSAT-BB@amsat.org. Opinions expressed are those of the author. Not an AMSAT-NA member? Join now to support the amateur satellite program! Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb
