THESAURUS
perigee
Earth insertion, LEM, LM, abutment, abuttal, adjacency, adjoiningness, aphelion, apogee, apposition, appulse, astronomical longitude, attitude-control rocket, autumnal equinox, ballistic capsule, burn, capsule, celestial equator, celestial longitude, celestial meridian, circle, colures, conjugation, conjunction, connection, conterminousness, contiguity, coterminousness, deep-space ship, docking, docking maneuver, ecliptic, equator, equinoctial, equinoctial circle, equinoctial colure, equinox, ferry rocket, fuel ship, galactic longitude, geocentric longitude, geodetic longitude, great circle, heliocentric longitude, injection, insertion, junction, juxtaposition, longitude, lunar excursion module, lunar module, manned rocket, meridian, module, moon ship, multistage rocket, orbit, parking orbit, perihelion, period, reentry, rocket, shuttle rocket, small circle, soft landing, solstitial colure, space capsule, space docking, space rocket, spacecraft, spaceship, syzygy, trajectory, union, vernal equinox, zodiac, zone