Orbital Elements

  • Epoch: 2460200.5 JD
  • Semi-major axis: 2.392 AU
  • Eccentricity: 0.185
  • Inclination: 3.6 deg
  • Longitude of Ascending Node: 191.54 deg
  • Argument of Periapsis: 270.92 deg
  • Mean Anomaly: 274.99 deg

Physical Characteristics

  • Diameter: 43.21800 km
  • Magnitude: 8.65
  • Albedo: 0.373
  • Spectral type (Tholen): S
  • Spectral type (SMASS): S

Shape Model Characteristics

At 2449191.0 JD:
  • Spin period in hours: 25.2285
  • Spin latitude: -17.0
  • Spin longitude: -17.0
  • Spin angle: 0.0
  • Quality level: -1.0

This shape model of asteroid Echo 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.