perilune Definition

periselene, orbit, spacecraft, geosynchronous orbit, orbiter, perihelion, aphelion, perigee, space capsule, synchronous orbit, lunar, asteroid, inertial guidance, launch vehicle, flyby, celestial sphere, celestial equator, drogue parachute, orbital velocity, retrorockets, ballistic trajectory, geosynchronous, drogue chute, apocynthion, orbitar, apolune, geostationary orbit, lander, apojove, toru, odometry, spaceward, umbral, evection, heliopause, circumlunar, airglow, lagrangian, space vehicle, circumjovial, gradiometer, rover, meteoroid, ramjet engine, thruster, apastron, nmi, megaseme, huygens, dixi, cbers, osiris, prograde, corot, mesoseme, smos, soyuz, microseme, shuttle, exosphere, inferior planet, mesosphere, regrede, themis, sideslip, dropsonde, cosmodrome, space probe, hypervelocity, liftoff, orbital plane, quadrupole, celestial point, superior planet, particle beam, sciamachy, decelerator, selene, sols, taikonaut, retroreflector, arcsecond, lunik, antineutrino, exobiology, galactic equator, cassini, major planet, radial velocity, ionosphere, proxima centauri, meteorological satellite, inner planet, minor planet, photoemission, oscillations, photometer, true anomaly, hypersonic, libration,