Moon
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| Moon | |
|---|---|
| |
| Moon in Orbiter | |
| Designation | |
| Name | Moon |
| Reference body | Earth |
| Physical parameters* | |
| Mass | 7.348×1022 kg |
| Mean Radius | 1.738×106 m |
| Gravitational moments | n/a |
| Siderial day | 2.361×106 s |
| Orbital period | 2.324×106 s (26.898 days) |
| Obliquity of ecliptic | 1.54° |
| Atmosphere | No |
| Osculating elements (ecliptic frame)* | |
| Semi-major axis | 3.8074×108 m |
| Eccentricity | 0.069266 |
| Inclination | 5.06° |
| Note | *Elements given are from Orbiter 2016 |
The Moon is Earth's only natural satellite.
Physical characteristics
The moon is slightly ellipsoid about 1738 km in radius.
The radius of the moon is about a quarter that of the Earth. Because it is far away it looks small, about half a degree wide. The gravity on the moon is one-sixth of the Earth's gravity. It means that something will be six times lighter on the Moon than on Earth. The Moon is a rocky and dusty place. The Moon moves slowly away from the earth at a rate of 3.8cm per year, due to the effect of tidal dissipation.
See also
Moon in Wikipedia. Category: Add-ons for Moon
see also: Wikipedia [1]
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