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 | 2006 |
| Semimajor axis (a) | 186315638173 km (1.24544311568598 AU) |
| Eccentricity (e) | 0.335415102834536 |
| Inclination (i) | 0.232845464045468 radian (13.3410623685705°) |
| Longitude of the ascending node (LAN, ☊) | 5.88689533166951 radian 337.29425693993° |
| Longitude of periapsis (ϖ) | 10.7178284350264 radian 614.086334872317° |
| Mean longitude (L) | 12.5060362286656 radian 716.543094340244° |
| Rotational Elements | |
| Sidereal Rotation Period | 18802.8 seconds (5.223 hours) |
| Sidereal Rotation Offset | 0 |
| Obliquity | 0.1 radians 0° |
| Selected physical parameters | |
| Mean radius | 3450 m |
| Mass | 4×10<su>12 kg |
| Equatorial gravity | 0.000022 m/s2 |
| Escape velocity | 0.0004 m/s |
| Gravity at surface | Geographos 1% Sun 99% |
| Note | *Elements given are from Geographos.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.