Orbital Elements

  • Epoch: 2460200.5 JD
  • Semi-major axis: 2.762 AU
  • Eccentricity: 0.2206
  • Inclination: 2.83 deg
  • Longitude of Ascending Node: 25.43 deg
  • Argument of Periapsis: 110.91 deg
  • Mean Anomaly: 159.32 deg

Physical Characteristics

  • Diameter: 57.62100 km
  • Magnitude: 8.30
  • Albedo: 0.167
  • Spectral type (Tholen): S
  • Spectral type (SMASS): Sq

Shape Model Characteristics

At 2444189.0 JD:
  • Spin period in hours: 13.00079
  • Spin latitude: -33.0
  • Spin longitude: -33.0
  • Spin angle: 0.0
  • Quality level: -1.0

This shape model of asteroid Alkmene 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.