Asteroid (11) Parthenope
Orbital characteristics
| Epoch 1-Jul-2021 (2459396.5 JD) | |
| Apoapsis | 2.6973 AU |
| 4.0351×108 km | |
| Periapsis | 2.2083 AU |
| 3.3036×108 km | |
| Semi-major axis | 2.4528 AU |
| 3.6694×108 km | |
| Eccentricity | 0.0996820 |
| Inclination | 4.6318 ° |
| Longitude of asc. node | 125.53 ° |
| Argument of periapsis | 195.51 ° |
| Orbital period | 1403.13 days |
| 3.842 years | |
| Avg. orbital speed | 18.97 km/s |
Physical characteristics
| Mean diameter | 142.89 km |
| Mass | 6.151×1018 kg |
| Avg. density | 4.027 g/cm3 |
| Equatorial surface gravity | 0.080 m/s2 |
| 0.008 g | |
| Escape velocity | 0.107 km/s |
| Rotation period (sidereal) | 13.722 hours |
| Albedo | 0.191 |
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Links
Shape model data sources
- Hanuš et al., Asteroids' physical models from combined dense and sparse photometry and scaling of the YORP effect by the observed obliquity distribution. Astronomy and Astrophysics 551, A67, 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.
- Parthenope (Hanuš 2013, Model 1) (PLY 38 KB) (OBJ 60 KB)
- Parthenope (Hanuš 2013, Model 2) (PLY 38 KB) (OBJ 61 KB)
- Parthenope (Hanuš 2017, Model 1) (PLY 16 KB) (OBJ 35 KB)
- Parthenope (Hanuš 2017, Model 2) (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.