Difference between revisions of "Earth"
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| − | [[Earth]] | + | [[Earth]] is the third planet from the [[Sun]] and is the only body known to have life. It is one of the four 'rocky' planets, the others are [[Mercury]], [[Venus]], and [[Mars]]. The [[Moon]] is the only natural satellite orbiting the earth. |
==Natural satellites== | ==Natural satellites== | ||
Revision as of 11:43, 18 June 2021
| Earth | |
|---|---|
| |
| Earth in Orbiter | |
| 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 |
| Atmosphere* | |
| Atmosphere model | J71G |
| Surface Pressure | 101.3 KPa |
| Surface Density | 1.225 kg/m3 |
| Specific gas constant | 286.91 J/(K kg) |
| Specific heat ratio | 1.40 |
| Osculating elements (ecliptic frame)* | |
| 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° |
| Ecliptic position from primary* | |
| Longitude | 261.444° |
| Latitude | 0.003° |
| Radial distance | 1.519×1011 m |
| Note | *Elements given are from Orbiter 2016 |
Earth is the third planet from the Sun and is the only body known to have life. It is one of the four 'rocky' planets, the others are Mercury, Venus, and Mars. The Moon is the only natural satellite orbiting the earth.
Natural satellites
See also
- Addons for Earth
- Earth at Wikipedia
External links
Earth at Wikipedia
| edit The Solar System | |
|---|---|
| Central star |
Sun (Sol) |
| Planets |
Mercury - Venus - Earth - Mars - Jupiter - Saturn - Uranus - Neptune |
| Natural satellites |
Moon - Phobos - Deimos - Io - Europa - Ganymede - Titan - more... |
| Add-ons |
Planets - Dwarf Planets - Small objects - Natural satellites - Alternative star systems |
| This article, about a planet, is a stub. You can help Orbiterwiki by expanding it.
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