I remember reading a short story in the 60/70's where there were two astronauts in spacesuits on an orbiting platform having some sort of dispute. One of them successfully threatens the other to by hurling him towards the planet whereby he believes that he doomed to keep falling. It turns out, however, that following orbital mechanics ( conservation of the center of gravity ) that the hapless astronaut will rejoin the platform halfway through the revolution. I thought this was a Clark or Asimov since it involved some real physics but I can't seem to locate the title.
Sounds like Clarke's "Jupiter Five".
The Satellite in Question (we call it "Amalthea" now) has turned out to be be a giant spaceship built by an extinct alien race, and two rival expeditions learn this at the same time. One of them steals a valuable artifact from the other, who retaliate by throwing its leader into Jupiter - secure in the knowledge that in one orbit he'll be back where he started and can be picked up.
The story was anthologised in Reach For Tomorrow and no doubt elsewhere.