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.