Near-Earth object / ID: 2170891
170891 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 1.1km - 2.4km across. It has been followed since 2001-09-09 across 1630 recorded observations. Its next approach to Earth is 2156-Feb-20 13:23, passing at 75.779 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
0.191 AU
Orbit uncertainty
0 / 9 (well determined)
Sentry monitoring
Not on the Sentry risk list
Orbital parameters
Next closest approach
Date
Relative velocity
5.02 km/s
Miss distance (lunar)
75.779 LD
Miss distance (km)
29,142,468 km
Physical characteristics
Perihelion
1.179 AU
Aphelion
2.786 AU
Orbital period
1019.5 days
Inclination
8.153°
Eccentricity
0.405
Semi-major axis
1.982 AU
Est. diameter (min–max)
1.1km - 2.4km
Log scale · 1m – 100km
Absolute magnitude
17.0 H
Orbit class
AMO
Observations used
1,630