[amsat-bb] Hand deployed satellites

Patrick Green pagreen at gmail.com
Wed Aug 16 19:54:17 UTC 2017

It's my belief that ISS sits in a decaying orbit on purpose so other debris
is limited.  They constantly have to keep pushing up their orbit to stay in
space and not fall back to earth.

73 de KA9SCF

On Wed, Aug 16, 2017 at 2:12 PM, Greg D <ko6th.greg at gmail.com> wrote:

> I jokingly describe the launch of a satellite from the ISS as the crew
> opening a window and tossing the satellite out.  But, in fact, there is
> a very carefully planned direction to which the crew "toss" the
> satellites.  I believe it's to the rear and below of the ISS, such that
> when the orbits cross in the future there is no danger that the two will
> collide.
> If, for example, they were to push the satellites to the side of the
> ISS, then an orbit later the two would meet again as the satellite's
> orbit would be oscillating to one side and then the other of the ISS.
> Going to the rear, making the satellite's orbital velocity slightly
> slower than the ISS, would put the satellite in a lower orbit.  But that
> lower orbit makes the satellite complete its trip around the Earth
> faster than the ISS, so should put it ahead of the ISS when they meet
> again.  If launched behind and below, then by the time it gets around to
> the ISS again, it should be far enough away that there would be no
> possible danger of a collision.
> Or, something like that.  I forget the details, but it's been discussed
> here a while ago.
> Greg  KO6TH
> Peter Pauly wrote:
> > Anyone know the details? I assume they would want to release them
> "towards
> > earth" and not in the other direction so that they would have a lower
> orbit
> > than the station and not run into them at some point. Do they just toss
> > them out?
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Best regards,

Patrick Green

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