s, a, o, e, f, n, p, r, t, i are letters that make 'point of periapsis'
point, ER, PS, pe, si, poi, NT, PO, psi, RI, SI, sis, in, apsis, periapsis, IN, IA, Po, peri, Er, In, Si are words within 'point of periapsis'
1 possible definitions for 'point of periapsis'
Under this definition, point of periapsis is a noun and has the following properties:
periapsis has the same meaning as point of periapsis
apoapsis, point of apoapsis have the opposite meaning of 'point of periapsis'
'point of periapsis' can be a type of celestial point.
perigee, perihelion, periselene, perilune, perijove are types of 'point of periapsis'.
'point of periapsis' can be a part of orbit, celestial orbit.