25143 Itokawa
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| 1620 Geographos | |
|---|---|
| |
| Geographos in Orbiter | |
| Designation | |
| Name | 1620 Geographos |
| Reference body | Sun |
| Number of satellites | 0 |
| Planetary mean orbits | |
| Epoch | |
| Semimajor axis (a) | 1.49257344448×108 km (0.997723722661 AU) |
| Eccentricity (e) | 0.5148753565387774 |
| Inclination (i) | 0.34575447488 radian (19.810272158°) |
| Longitude of the ascending node (LAN, ☊) | 2.20406746116 radian 126.2837632865° |
| Longitude of periapsis (ϖ) | 2.96764675609 radian 170.033634209° |
| Mean longitude (L) | 5.9410765786 radian 340.398613717° |
| Rotational Elements | |
| Sidereal Rotation Period | 98784 seconds (1.143333 days) |
| Sidereal Rotation Offset | 0 |
| Obliquity | 0.1 radians 5.72958° |
| Selected physical parameters | |
| Mean radius | 1650 km |
| Mass | ×10<su>23 kg |
| Density | 4.05g/cm13 |
| Equatorial gravity | 0.00099 m/s-10 |
| Escape velocity | 1.81 m/s |
| Gravity at surface | Cruinthe 15% Sun 85% |
| Note | *Elements given are from Cruinthe.cfg file. |
|
Project home: Asteroid Pack 1.00 |
1620 Geographos is a Near-Earth object discovered in 1951 by Albert George Wilson and w:Rudolph Minkowski at Palomar and is named in honor of the w:National Geographic Society.
Geographos was to be visited by the w:Clementine mission, failed to reach the body.