Asteroid
Near-Earth
Robwhiteley
20460 Robwhiteley (1999 LO28)
Where is it now
- Distance from Sun
- 2.401 AU
- True anomaly
- 211.52°
- As of
- 29 August 2026
Two-body Kepler propagation — accurate to ~0.1% for major planets over decades, less so for highly-perturbed bodies. Use JPL Horizons for high precision.
Orbital elements
- Semi-major axis
- 1.877 AU
- Eccentricity
- 0.4119
- Inclination
- 33.96°
- Orbital period
- 2.57 years
- Perihelion
- 1.104 AU
- Aphelion
- 2.649 AU
- Longitude of ascending node
- 279.99°
- Argument of periapsis
- 283.73°
- Epoch · J2000
- 2461200.5
Physical properties
- Mean radius
- 1.36 km
- Rotation period
- 2.72 hours
Visual & observation
- Geometric albedo
- 0.199
- Absolute magnitude (H)
- 15.41
- Spectral type
- AMO
Discovery & classification
Near-Earth Object
Named