Near-Earth object / ID: 2021088
21088 Chelyabinsk is a near-Earth object of the AMO orbit class — Near-Earth asteroid orbits similar to that of 1221 Amor. Radar and photometric estimates put it between 3.6km - 8.1km across. It has been followed since 1990-01-30 across 8250 recorded observations. It is not classified as a potentially hazardous asteroid.
Data source: NASA NeoWs API
Visualization: mesh render
Hazard analysis
PHA status
Not hazardous
Min. orbit intersection
0.307 AU
Orbit uncertainty
0 / 9 (well determined)
Sentry monitoring
Not on the Sentry risk list
Orbital parameters
Close approach
No approaches to Earth on record.
Physical characteristics
Est. diameter (min–max)
3.6km - 8.1km
Log scale · 1m – 100km
Absolute magnitude
14.3 H
Orbit class
Perihelion
1.299 AU
Aphelion
2.114 AU
Orbital period
814.2 days
Inclination
38.463°
Eccentricity
0.239
Semi-major axis
1.706 AU
AMO
Observations used
8,250