Near-Earth object / ID: 2211871
211871 is a near-Earth object of the APO orbit class — Near-Earth asteroid orbits which cross the Earth’s orbit similar to that of 1862 Apollo. Radar and photometric estimates put it between 451m - 1km across. It has been followed since 1999-03-20 across 294 recorded observations. Its next approach to Earth is 2112-Jun-06 04:54, passing at 67.287 LD. 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
0.062 AU
Orbit uncertainty
0 / 9 (well determined)
Sentry monitoring
Not on the Sentry risk list
Orbital parameters
Next closest approach
Date
Relative velocity
14.40 km/s
Miss distance (lunar)
67.287 LD
Miss distance (km)
25,876,578 km
Physical characteristics
Perihelion
0.901 AU
Aphelion
2.791 AU
Orbital period
916.3 days
Inclination
7.886°
Eccentricity
0.512
Semi-major axis
1.846 AU
Est. diameter (min–max)
451m - 1km
Log scale · 1m – 100km
Absolute magnitude
18.9 H
Orbit class
APO
Observations used
294