Quote:
Originally Posted by julesstoop
No chance that's a satellite. When seen from the surface of our planet they generally move with a speed of about one arc degree per second. The exposure of this picture is long enough to transform it into a line crossing most of the field of vision.
Of course there are stationary satelites (in geo-synchronous orbits) but they are simply too dim to be visible with an exposure like this.
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I've also been trying to work through all the geometries... but my first instinct would be that a satellite there would also be in the Earth's shadow. But it ain't easy to think through. And it would also depend on the height of orbit - although since we know it's gotta be geosynchronous, we know the orbit.