s, a, o, f, n, p, t, i are letters that make 'point of apoapsis'
point, PS, si, poi, NT, PO, Poa, psi, SI, sis, in, apsis, apoapsis, IN, Po, In, Si are words within 'point of apoapsis'
1 possible definitions for 'point of apoapsis'
Under this definition, point of apoapsis is a noun and has the following properties:
apoapsis has the same meaning as point of apoapsis
periapsis, point of periapsis have the opposite meaning of 'point of apoapsis'
'point of apoapsis' can be a type of celestial point.
apogee, aphelion, apojove, aposelene, apolune are types of 'point of apoapsis'.
'point of apoapsis' can be a part of orbit, celestial orbit.