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perigee    
n. 近地點

近地點

perigee
近地點

perigee
n 1: periapsis in Earth orbit; the point in its orbit where a
satellite is nearest to the Earth [ant: {apogee}]

Perigee \Per"i*gee\, Perigeum \Per`i*ge"um\, n. [NL. perigeum,
fr. Gr. peri` about, near gh^ the earth: cf. F.
p['e]rig['e]e.] (Astron.)
That point, in the orbit of the moon or other body orbiting
the earth, which is nearest to the earth; -- opposed to
{apogee}. It is sometimes, but rarely, used of the nearest
points of bodies not orbiting the earth, such as of a comet,
a planet, etc. Called also {epigee}, {epigeum}.
[1913 Webster PJC]

77 Moby Thesaurus words for "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

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  • Perigee and Apogee - Definition, Moon Distance, and Effects
    Perigee and apogee describe the closest and farthest points, respectively, in the Moon ’s elliptical orbit around Earth These positions are part of a broader class of orbital points called apsides, which occur in any elliptical orbit Because the Moon’s distance from Earth changes continuously, perigee and apogee influence how large the Moon appears in the sky, how strong ocean tides
  • Lunar Perigee and Apogee - timeanddate. com
    Lunar Perigee and Apogee By Aparna Kher The Moon's orbit around Earth is elliptical The point of the orbit closest to Earth is called perigee, while the point farthest from Earth is known as apogee
  • PERIGEE Definition Meaning - Merriam-Webster
    The meaning of PERIGEE is the point in the orbit of an object (such as a satellite) orbiting the earth that is nearest to the center of the earth; also : the point nearest a planet or a satellite (such as the moon) reached by an object orbiting it
  • What Are Perigee and Apogee? When Are Perigee and Apogee?
    Learn about lunar perigee and apogee and their what they mean in relation to the Moon's orbit The Old Farmer's Almanac discusses lunar perigee and apogee, and their effect on the tides
  • PERIGEE Definition Meaning | Dictionary. com
    PERIGEE definition: the point in the orbit of a heavenly body, especially the moon, or of an artificial satellite at which it is nearest to the earth See examples of perigee used in a sentence
  • Lunar perigee 2026: When will the next one occur . . .
    When will the next lunar perigee occur? The moon will reach its next perigee—its closest point to Earth—on June 14, 2026, at 23:18 UTC (7:18 p m EDT), when it will be 357,196 km from Earth Lunar perigee in 2026 Here are the dates, times, and distances for all lunar perigees in 2026:
  • Perigee - Definition Detailed Explanation - Astronomical Phenomena . . .
    Perigee is a term used in astronomy to describe the point in an object's orbit around the Earth when it is closest to our planet This phenomenon is most
  • PERIGEE | English meaning - Cambridge Dictionary
    PERIGEE definition: 1 the point in the orbit (= curved path) of the moon or a satellite when it it is closest to the… Learn more
  • perigee - Wiktionary, the free dictionary
    perigee (plural perigees) (astronomy) The point, in an orbit about the Earth, that is closest to the Earth: the periapsis of an Earth orbiter
  • Perigee - definition of perigee by The Free Dictionary
    Define perigee perigee synonyms, perigee pronunciation, perigee translation, English dictionary definition of perigee perigee n 1 Astronomy The point in an orbit around the planet Earth where the orbiting body is closest to the planet 2 The analogous point in an orbit





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