Orbital Elements
- Epoch: 2460200.5 JD
- Semi-major axis: 3.137 AU
- Eccentricity: 0.0227
- Inclination: 1.93 deg
- Longitude of Ascending Node: 248.22 deg
- Argument of Periapsis: 103.2 deg
- Mean Anomaly: 191.72 deg
Physical Characteristics
- Diameter: 132.93000 km
- Magnitude: 8.79
- Albedo: 0.0492
- Spectral type (Tholen): C
- Spectral type (SMASS): C
Shape Model Characteristics
At 2444849.0 JD:
- Spin period in hours: 7.85232
- Spin latitude: 15.0
- Spin longitude: 15.0
- Spin angle: 0.0
- Quality level: -1.0
This shape model of asteroid Protogeneia 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.