Near-Earth object / ID: 2138846
138846 is a near-Earth object of the APO orbit class — Near-Earth asteroid orbits which cross the Earth’s orbit similar to that of 1862 Apollo. Radar and photometric estimates put it between 1.6km - 3.6km across. It has been followed since 1988-08-10 across 1265 recorded observations. Its next approach to Earth is 2088-May-28 17:24, passing at 68.985 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
0.179 AU
Orbit uncertainty
0 / 9 (well determined)
Sentry monitoring
Not on the Sentry risk list
Orbital parameters
Next closest approach
Date
Relative velocity
15.12 km/s
Miss distance (lunar)
68.985 LD
Miss distance (km)
26,529,510 km
Physical characteristics
Perihelion
0.950 AU
Aphelion
3.415 AU
Orbital period
1177.7 days
Inclination
18.687°
Eccentricity
0.565
Semi-major axis
2.183 AU
Est. diameter (min–max)
1.6km - 3.6km
Log scale · 1m – 100km
Absolute magnitude
16.1 H
Orbit class
APO
Observations used
1,265