Asteroid (4) Vesta

Orbital characteristics

Epoch 1-Jul-2021 (2459396.5 JD)
Apoapsis2.5703 AU
3.8451×108 km
Periapsis2.1530 AU
3.2208×108 km
Semi-major axis2.3617 AU
3.533×108 km
Eccentricity 0.0883513
Inclination7.1415 °
Longitude of asc. node103.81 °
Argument of periapsis151.02 °
Orbital period1325.64 days
3.629 years
Avg. orbital speed19.34 km/s

Physical characteristics

Mean diameter525.40 km
Extent572.6 x 557.2 x 446.4 km
Mass2.591×1020 kg
Avg. density3.412 g/cm3
Equatorial surface gravity0.251 m/s2
0.026 g
Escape velocity0.363 km/s
Rotation period (sidereal)5.3421 hours

Colored Vesta mosaic was made by combining red, green and blue channels from Thomas Roatch's dataset. Some areas remained black as there were no enough data to render them in full color. I will replace this map with a better one once NASA or ESA produces it.



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: 26 Aug 2021