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perigee    
n. 近地点

近地点

perigee
近地点

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
  • Artemis II Flight Update: Perigee Raise Maneuver Complete; NASA to Hold . . .
    The perigee raise maneuver was successfully completed, refining the Orion spacecraft’s orbit around Earth The interim cryogenic propulsion stage ignited its
  • Lunar Perigee and Apogee - timeanddate. com
    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
  • What Are Perigee and Apogee? When Are Perigee and Apogee?
    The point at which it is nearest Earth each month is called its perigee (this varies throughout the year) This is sometimes called a “Supermoon” by the news media because the Moon is slightly larger and brighter
  • 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
  • Perigee – Definition Detailed Explanation - Sentinel Mission
    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 commonly associated with the Moon, as it orbits the Earth in an elliptical path rather than a perfect circle
  • Artemis II LIVE: Nasas Orion Spacecraft Successfully Completes Perigee . . .
    Updated 2 April 2026 at 19:59 IST Artemis II LIVE: Nasa's Orion Spacecraft Successfully Completes Perigee Burn, Set for Other Crucial Mission Stages Artemis II launch LIVE updates: NASA’s Orion spacecraft is now orbiting Earth as astronauts perform system checks and fix onboard issues The historic 10-day crewed mission will soon head for a Moon flyby, track every milestone and live
  • Artemis II crew to prepare for perigee raise burn soon - Mint
    NASA said the Artemis II crew will take a four-hour nap and be awakened at 7 a m EDT (4:30 pm IST) on Thursday, April 2, to prepare for the perigee raise burn
  • Perigee Fund
    The name “Perigee” evokes secure attachment behavior in the young child, who moves in an “orbit” around a primary caregiver and can safely enjoy both the warmth of intimacy, and the joy of independent discovery and exploration within a healthy relationship
  • What Is a Perigee? The Closest Point in an Orbit
    Perigee is the point in an orbiting object’s path where it achieves its closest distance to the Earth Derived from Greek, perigee exists because orbits are not perfect circles





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