Astro*Dictionary by Michael Erlewine
1 article for "Periapsis"
Periapsis [Astro*Index]A generic term. The point in an orbit that lies closest to the centre of gravitational attraction.
For bodies which orbit about the Sun, | this point is called perihelion; |
about the Moon, | perilune; |
about the Earth, | perigee; |
about Mars, | perimartian; |
about Jupiter, | perijove; |
about a star, | periastron. |
See also:
♦ Apoapsis
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