apogee

perihelion, aphelion, orbits, equinox, celestial equator, mesosphere, autumnal equinox, orbital velocity, geosynchronous orbit, heliopause, celestial sphere, epsilon aurigae, vernal equinox, arcsecond, capricornus, uranus, ecliptic, zodiacal light, perseids, umbral, lagrangian, sextile, spring equinox, asterism, equinoxes, redshift, geostationary orbit, annularity, corot, large magellanic cloud, meteor shower, puppis, photosphere, magnetosphere, proxima centauri, occultation, equator, oort cloud, prograde, perilune, heliosphere, sidereal, attosecond, eclipsing binary, annular eclipse, spiral galaxy, dipole moment, betelgeuse, summer solstice, meteoroid, pleiades, cosmic ray, planetary nebula, triangulum, astrometry, iapetus, cassini, moonrise, radial velocity, fomalhaut, ejecta, uranian, ionosphere, saturnian, exoplanet, phaethon, spacecraft, moonlet, mimas, baryon, airglow, exosphere, troposphere, jovian, parsec, earthshine, grond, flyby, lutetia, enceladus, quasar, protostar, planetoid, trine, sunspot, geosynchronous, obscuration, antineutrinos, tropopause, solstices, magnetopause, obliquity, comet, luminosities, quadrantid, gravitational interaction, syrtis major, milky way galaxy, neutron star, bolometer, asteroid, photometry, apogee, altitude, orbit, maximum, altitudes, asymptote, elevation, km, minimum, nadir, q., quotient, resp, threshold, betas, coefficient, declination, flowrate, heats, intercept, grosset, penguin, shut, stirring, '', 000th, 09, 105th, 10th, 127th, 12th, 13th, 14th, 15-4, 1934, 1oth, 1st, 21st, 2223, 22d

periapsis, point of periapsis