Orbital Elements
- Epoch: 2460200.5 JD
- Semi-major axis: 2.245 AU
- Eccentricity: 0.1017
- Inclination: 5.26 deg
- Longitude of Ascending Node: 17.49 deg
- Argument of Periapsis: 195.98 deg
- Mean Anomaly: 81.35 deg
Physical Characteristics
- Diameter: 8.16700 km
- Magnitude: 12.65
- Albedo: 0.241
Shape Model Characteristics
At 2451191.0 JD:
- Spin period in hours: 9.65855
- Spin latitude: 76.0
- Spin longitude: 76.0
- Spin angle: 0.0
- Quality level: -1.0
This shape model of asteroid Sillanpaa 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.