Near-Earth object / ID: 2161999
161999 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 462m - 1km across. It has been followed since 1989-08-09 across 156 recorded observations. Its next approach to Earth is 2063-Jul-07 13:32, passing at 182.920 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
0.113 AU
Orbit uncertainty
0 / 9 (well determined)
Sentry monitoring
Not on the Sentry risk list
Orbital parameters
Next closest approach
Date
Relative velocity
17.03 km/s
Miss distance (lunar)
182.920 LD
Miss distance (km)
70,345,576 km
Physical characteristics
Perihelion
1.127 AU
Aphelion
3.507 AU
Orbital period
1288.1 days
Inclination
7.394°
Eccentricity
0.514
Semi-major axis
2.317 AU
Est. diameter (min–max)
462m - 1km
Log scale · 1m – 100km
Absolute magnitude
18.8 H
Orbit class
AMO
Observations used
156