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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