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Asteroid (25143) Itokawa

Orbital characteristics

Epoch 22-Mar-2018 (2458200.5 JD)
Apoapsis1.6951 AU
2.5359×108 km
Periapsis0.9531 AU
1.4259×108 km
Semi-major axis1.3241 AU
1.9809×108 km
Eccentrity0.2801853
Inclination1.6214 °
Longitude of asc. node69.080 °
Argument of periapsis162.80 °
Orbital period556.537 days
1.524 years
Avg. orbital speed25.37 km/s

Physical characteristics

Mean diameter0.3300 km
Extent0.535x0.294x0.209 km
Mass3.147×1010 kg
Avg. density1.673 g/cm3
Rotation period (sidereal)12.132 hours
Models:
Hayabusa 50k poly 200k poly
Textures: Solid Gray Grid Grayscale
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Downloads

Models

Models are given in Stanford Triangle Format (PLY) and Alias Waveform Format (OBJ) - you can use MeshLab or any other tool to convert them to other formats.

Please note that the models are in planetocentric coordinate system, with Z axis passing through north pole. Actual rotational axis may differ from planetocentric poles, especially for small irregular bodies.


Surface Textures

Textures are simple cylindrical projections with prime meridian at the middle, provided at the highest resolution available.

Last Modified: 15 Apr 2018