English

Noun

aposaturnium ‎(plural not attested)

1. (astronomy) Apoapsis around Saturn
   • 2013, B.A. Steves & ‎Archie E. Roy, The Dynamics of Small Bodies in the Solar System, ISBN 9401592217:

     If they were exactly following such a periodic solution, then, at a conjunction of the two satellites, that is, when φ = 0, we would have l₁= 0, that is, Enceladus, which is on the inner of the two orbits, would be at perisaturnium, and alsol₂= π, so that Dione, which is on the outer of the two orbits, would be at aposaturnium.