Orbital Elements
- Epoch: 2460200.5 JD
- Semi-major axis: 2.736 AU
- Eccentricity: 0.2066
- Inclination: 17.3 deg
- Longitude of Ascending Node: 72.6 deg
- Argument of Periapsis: 126.98 deg
- Mean Anomaly: 312.73 deg
Physical Characteristics
- Diameter: 40.87100 km
- Magnitude: 10.89
- Albedo: 0.015
- Spectral type (SMASS): B
Shape Model Characteristics
At 2448208.0 JD:
- Spin period in hours: 12.18978
- Spin latitude: 64.0
- Spin longitude: 64.0
- Spin angle: 0.0
- Quality level: -1.0
This shape model of asteroid Postrema is provided by the DAMIT database from The Astronomical Institute of the Charles University in Prague, Czechia.
The model is rotated on its Z axis for the purpose of this visualization, which may not reflect actual rotation.