Lunar orbit

（重定向自Lunar Orbit Insertion）

In astronomy, lunar orbit (also known as a Selenocentric orbit) refers to the orbit of an object around the Moon.

As used in the space program, this refers not to the orbit of the Moon about the Earth, but to orbits by various manned or unmanned spacecraft around the Moon. The altitude at apoapsis (point farthest from the surface) for a lunar orbit is known as apolune, apocynthion or aposelene, while the periapsis (point closest to the surface) is known as perilune, pericynthion or periselene.

单词	Lunar Orbit Insertion
释义	Lunar Orbit Insertion 英语例句库 Abstract.The first orbit maneuver of lunar orbit insertion (LOI) must be implemented at the first perilune of the spacecraft flight to the moon. 月球捕获控制第一次制动必须在卫星飞向月球的第一近月点完成。英语百科 Lunar orbit （重定向自Lunar Orbit Insertion） In astronomy, lunar orbit (also known as a Selenocentric orbit) refers to the orbit of an object around the Moon. As used in the space program, this refers not to the orbit of the Moon about the Earth, but to orbits by various manned or unmanned spacecraft around the Moon. The altitude at apoapsis (point farthest from the surface) for a lunar orbit is known as apolune, apocynthion or aposelene, while the periapsis (point closest to the surface) is known as perilune, pericynthion or periselene.
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