Dwarf planet (1) Ceres
Orbital characteristics
| Epoch 1-Jul-2021 (2459396.5 JD) | |
| Apoapsis | 2.9825 AU |
| 4.4617×108 km | |
| Periapsis | 2.5488 AU |
| 3.813×108 km | |
| Semi-major axis | 2.7657 AU |
| 4.1374×108 km | |
| Eccentricity | 0.0783920 |
| Inclination | 10.588 ° |
| Longitude of asc. node | 80.268 ° |
| Argument of periapsis | 73.738 ° |
| Orbital period | 1679.95 days |
| 4.599 years | |
| Avg. orbital speed | 17.88 km/s |
Physical characteristics
| Mean diameter | 939.40 km |
| Extent | 964.4 x 964.2 x 891.8 km |
| Mass | 9.386×1020 kg |
| Avg. density | 2.162 g/cm3 |
| Equatorial surface gravity | 0.284 m/s2 |
| 0.029 g | |
| Escape velocity | 0.516 km/s |
| Rotation period (sidereal) | 9.0742 hours |
| Albedo | 0.090 |
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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.
- Ceres (OpNav5, 24k poly) (PLY 446 KB) (OBJ 858 KB)
- Ceres (OpNav5, 200k poly) (PLY 3.6 MB) (OBJ 7.3 MB)
- Ceres (HAMO, 64k poly) (PLY 1.2 MB) (OBJ 2.3 MB)
- Ceres (HAMO, 256k poly) (PLY 4.7 MB) (OBJ 9.8 MB)
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.
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Ceres (Grayscale)
(JPEG, 21093×10546px, 35.4 MB)
