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| Earth
|
|
| Earth in Orbiter
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| Designation
|
| Name |
Earth
|
| Reference body |
Sun
|
| Number of satellites |
1
|
| Physical parameters*
|
| Mass |
5.974×1024 kg
|
| Mean Radius |
6.371×106 m
|
| Gravitational moments |
J2=1082.6269×10-6
J3=-2.51×10-6
J4=-1.6×10-6
J5-0.15×10-6
|
| Siderial day |
8.616×104 s
|
| Orbital period |
3.159×107 s
(365.625 days)
|
| Obliquity of ecliptic |
23.44°
|
| Atmosphere |
Yes
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| Atmosphere*
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| Atmosphere model |
J71G
|
| Surface Pressure |
101.3 KPa
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| Surface Density |
1.225 kg/m3
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| Specific gas constant |
286.91 J/(K kg)
|
| Specific heat ratio |
1.40
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| Osculating elements (ecliptic frame)*
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| Semi-major axis |
1.4971×1011 m
|
| Eccentricity |
0.015958
|
| Inclination |
0°
|
| Longitude of ascending node |
141.13°
|
| Longitude of periapsis |
103.41°
|
| Mean Longitude |
260.75°
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| Ecliptic position from primary*
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| Longitude |
261.444°
|
| Latitude |
0.003°
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| Radial distance |
1.519×1011 m
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| Note |
*Elements given are from Orbiter 2016
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Earth is the planet we live on. It is the third planet from the Sun. It is the only planet known to have life on it. Lots of scientists think the earth formed around 4.5 billion years ago. It is one of four rocky planets on the inside of the Solar System. The other three are Mercury, Venus and Mars.
Go to Addons for Earth
Natural satellites
External links
Earth at Wikipedia
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