Near-Earth object / ID: 2138155
138155 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 956m - 2.1km across. It has been followed since 1989-10-28 across 1146 recorded observations. Its next approach to Earth is 2177-Oct-19 23:40, passing at 38.386 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
0.430 AU
Orbit uncertainty
0 / 9 (well determined)
Sentry monitoring
Not on the Sentry risk list
Orbital parameters
Next closest approach
Date
Relative velocity
13.29 km/s
Miss distance (lunar)
38.386 LD
Miss distance (km)
14,762,235 km
Physical characteristics
Perihelion
1.231 AU
Aphelion
2.386 AU
Orbital period
888.2 days
Inclination
25.453°
Eccentricity
0.320
Semi-major axis
1.808 AU
Est. diameter (min–max)
956m - 2.1km
Log scale · 1m – 100km
Absolute magnitude
17.2 H
Orbit class
AMO
Observations used
1,146