25143 Itokawa
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Ikotawa in Orbiter
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Designation
|
Name |
25143 Ikotawa
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Reference body |
Sun
|
Number of satellites |
0
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Planetary mean orbits
|
Epoch |
2005.7453798768
|
Semimajor axis (a) |
198046136569.879 km (1.32385665420968 AU)
|
Eccentricity (e) |
0.280122478810222
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Inclination (i) |
0.0283138805752587 radian (1.62226585859977°)
|
Longitude of the ascending node (LAN, ☊) |
1.20592765142946 radian 69.0945648250315°
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Longitude of periapsis (ϖ) |
4.04659634268755 radian 231.852891829071°
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Mean longitude (L) |
9.67227318273871 radian 554.180431668496°
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Rotational Elements
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Sidereal Rotation Period |
43675.2 seconds (12.132 hours)
|
Sidereal Rotation Offset |
0
|
Obliquity |
0.1 radians 0°
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Selected physical parameters
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Mean radius |
45000 m
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Mass |
9.5×1010 kg
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Equatorial gravity |
0.000000003 m/s2
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Escape velocity |
1.678×10-5 m/s
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Gravity at surface |
Itokawa 0% Sun 100%
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Note |
*Elements given are from Itokawa.cfg file.
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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