Near-Earth object / ID: 2138847
138847 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 1983-03-05 across 2580 recorded observations. Its next approach to Earth is 2086-Apr-20 21:44, passing at 65.821 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
0.157 AU
Orbit uncertainty
0 / 9 (well determined)
Sentry monitoring
Not on the Sentry risk list
Orbital parameters
Next closest approach
Date
Relative velocity
12.30 km/s
Miss distance (lunar)
65.821 LD
Miss distance (km)
25,312,675 km
Physical characteristics
Perihelion
1.153 AU
Aphelion
2.085 AU
Orbital period
752.4 days
Inclination
22.177°
Eccentricity
0.288
Semi-major axis
1.619 AU
Est. diameter (min–max)
1km - 2.3km
Log scale · 1m – 100km
Absolute magnitude
17.1 H
Orbit class
AMO
Observations used
2,580