[amsat-bb] Re: ARISSat deployment direction?

2011-08-09 Thread Phil Karn
On 8/8/11 6:09 AM, Alan P. Biddle wrote: > Rich, > > Orbital dynamics are not all that intuitive. That's absolutely right. Some historical trivia: even NASA tripped over this in the early days. When the Gemini IV crew tried to rendezvous with their spent booster, they kept missing. They were try

[amsat-bb] Re: ARISSat deployment direction?

2011-08-08 Thread Rich Dailey
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

[amsat-bb] Re: ARISSat deployment direction?

2011-08-08 Thread Alan P. Biddle
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

[amsat-bb] Re: ARISSat deployment direction?

2011-08-08 Thread Roland Zurmely
That's right! See why here : http://www.qsl.net/py4zbz/satelite/atrito.htm Sorry, is in Portuguese. Use the google translator. 73 de Roland PY4ZBZ ___ Sent via AMSAT-BB@amsat.org. Opinions expressed are those of the author. Not an AMSAT-NA member? Join

[amsat-bb] Re: ARISSat deployment direction?

2011-08-08 Thread jmfranke
With the speed reduction, the satellite drops to a lower orbit. The lower the orbit, the less time it takes to go around the Earth, hence it passes satellites in higher orbits. John WA4WDL -- From: "Rich Dailey" Sent: Monday, August 08, 2011 8:4