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RE: orbits!!



Hmm, interesting orbit, not unlike the GTO, with an elevated perigee.  Would
be relatively straightforward to get a bird to that sort of  orbit.  Wonder
how the long term stability would be (Sun/Moon/Planetary interactions).

I would support a satellite in this sort of orbit.

Tony Langdon. 
Systems Development and Support. 
ATC Training Australasia.  Level 2 321 Exhibition St Melbourne  3000. 
Phone:  1300 13 1983     WWW:  http://www.atctraining.com.au 



> -----Original Message-----
> From: Bill Magnusson [mailto:williamb@netc.net.au]
> Sent: Wednesday, 20 December 2000 13:29
> Subject: [amsat-bb] orbits!!
> 
> 
> Hello List,
> 
> Since we seem to talking orbits ... put this one in and have a look.
> 
> ARSENE
> 1 22654U 93 31  B 93217.89442270 -.00000049  00000-0  99999 4 0  4116
> 2 22654   1.1889 123.9544 2934874 147.0825 232.2329  1.42202836  1282
> 
> Now THAT was an orbit !!
> 
> Long passes.
> Repeating every day but gradually shifting around the equator.
> Equal coverage of both hemispheres allowing good north/south DX-ing.
> (something which seems to be missing from calculations these days)
> Far enough out ... even at perigee to give wide coverage.
> 
> Arsene was launched in 1993. It had an "S" band transponder which
> unfortunately failed after a short period. What a pity. I 
> venture to say it
> would have done heaps for "S" mode operations in those days. 
> In my humble
> opinion it would have gone on to become the 
> 'satellite-of-choice' for many
> operators and had an influence on all AMSAT orbit proposals 
> from then on. I
> can remember the "S" band beacon being 7 's' units above my 
> noise floor.
> Again ... what a pity.
> 
> Keep smilin'
> 
> Bill...vk3jt
> Milawa, Australia.
> 
> 
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