Near-Earth object / ID: 2163691
163691 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 1km - 2.3km across. It has been followed since 1988-06-21 across 450 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
0.355 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)
1km - 2.3km
Log scale · 1m – 100km
Absolute magnitude
17.1 H
Orbit class
Perihelion
1.156 AU
Aphelion
3.679 AU
Orbital period
1373.2 days
Inclination
40.798°
Eccentricity
0.522
Semi-major axis
2.418 AU
AMO
Observations used
450