Difference between revisions of "25143 Itokawa"
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Revision as of 18:12, 21 May 2024
| 25143 Itokawa | |
|---|---|
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| Ikotawa in Orbiter | |
| Designation | |
| Name | 25143 Ikotawa |
| Reference body | Sun |
| Number of satellites | 0 |
| Planetary mean orbits | |
| Epoch | 2005.7453798768 |
| Semimajor axis (a) | 198046136569.879 km (1.32385665420968 AU) |
| Eccentricity (e) | 0.280122478810222 |
| Inclination (i) | 0.0283138805752587 radian (1.62226585859977°) |
| Longitude of the ascending node (LAN, ☊) | 1.20592765142946 radian 69.0945648250315° |
| Longitude of periapsis (ϖ) | 4.04659634268755 radian 231.852891829071° |
| Mean longitude (L) | 9.67227318273871 radian 554.180431668496° |
| Rotational Elements | |
| Sidereal Rotation Period | 43675.2 seconds (12.132 hours) |
| Sidereal Rotation Offset | 0 |
| Obliquity | 0.1 radians 0° |
| Selected physical parameters | |
| Mean radius | 45000 m |
| Mass | 9.5×1010 kg |
| Equatorial gravity | 0.000000003 m/s2 |
| Escape velocity | 1.678×10-5 m/s |
| Gravity at surface | Itokawa 0% Sun 100% |
| Note | *Elements given are from Itokawa.cfg file. |
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Project home: 3D Asteroids |
25143 Itokawa is a Near-Earth object discovered in 1998 by LINEAR project and named for the Japanese rocket engineer Hideo Itokawa.
Gallery
Animation of the orbit of 25143 Itokawa
