Asteroid
Near-Earth
Chelyabinsk
21088 Chelyabinsk (1992 BL2)
Where is it now
- Distance from Sun
- 1.391 AU
- True anomaly
- 311.16°
- 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
- 1.706 AU
- Eccentricity
- 0.2388
- Inclination
- 38.46°
- Orbital period
- 814.2 days
- Perihelion
- 1.299 AU
- Aphelion
- 2.114 AU
- Longitude of ascending node
- 297.83°
- Argument of periapsis
- 27.19°
- Epoch · J2000
- 2461200.5
Physical properties
- Mean radius
- 1.40 km
- Rotation period
- 11.23 hours
Visual & observation
- Geometric albedo
- 0.206
- Absolute magnitude (H)
- 14.33
- Spectral type
- AMO
Discovery & classification
Near-Earth Object
Named