Last Updated：2025/11/28
Sentence
科学者たちは、惑星の将来の位置を予測するために、楕円軌道上の位置を示す平均近点角を計算した。
Quizzes for review
Scientists calculated the mean anomaly to predict the planet's future position in its elliptical orbit.
See correct answer
Scientists calculated the mean anomaly to predict the planet's future position in its elliptical orbit.
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Related words
mean anomaly
Noun
countable
uncountable
(astronomy,
celestial
mechanics)
An
orbital
parameter
of
a
celestial
body
(in
an
elliptic
orbit);
the
mean
motion
multiplied
by
the
time
since
the
last
passage
through
periapsis;
the
angle
PCM
(measured
in
radians)
defined
by
P
=
the
periapsis,
C
=
the
center
of
the
elliptical
orbit,
and
M
=
the
mean
planet.
Japanese Meaning
平均近点角：天文学・天体力学において、楕円軌道上の天体の軌道パラメータの一つです。これは、平均運動と前回の近点通過からの経過時間の積により定義され、楕円の近点、軌道中心、天体位置を結ぶ角度を表します。
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