Asteroid (9) Metis
Orbital characteristics
| Epoch 1-Jul-2021 (2459396.5 JD) | |
| Apoapsis | 2.6801 AU |
| 4.0094×108 km | |
| Periapsis | 2.0912 AU |
| 3.1284×108 km | |
| Semi-major axis | 2.3857 AU |
| 3.5689×108 km | |
| Eccentricity | 0.1234295 |
| Inclination | 5.5766 ° |
| Longitude of asc. node | 68.901 ° |
| Argument of periapsis | 6.2190 ° |
| Orbital period | 1345.90 days |
| 3.685 years | |
| Avg. orbital speed | 19.21 km/s |
Physical characteristics
| Mean diameter | 190.00 km |
| Rotation period (sidereal) | 5.0792 hours |
| Albedo | 0.118 |
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Links
Shape model data sources
- Torppa et al., Shapes and rotational properties of thirty asteroids from photometric data. Icarus 164, 2003 link
- Hanuš et al., Sizes of main-belt asteroids by combining shape models and Keck Adaptive Optics observations. Icarus 226, 2013 link
- Hanuš et al., Volumes and bulk densities of forty asteroids from ADAM shape modeling. Astronomy & Astrophysics 601, id.A114, 2017 link
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.
- Metis (Model 1) (PLY 39 KB) (OBJ 64 KB)
- Metis (Hanuš) (PLY 10 KB) (OBJ 16 KB)
- Metis (Hanuš) (PLY 16 KB) (OBJ 35 KB)
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
This object does not have textures yet and is being displayed as a solid gray shape.