Near-Earth object / ID: 2138937
138937 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 732m - 1.6km across. It has been followed since 1998-01-27 across 3132 recorded observations. Its next approach to Earth is 2045-Jul-05 07:02, passing at 60.283 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
0.062 AU
Orbit uncertainty
0 / 9 (well determined)
Sentry monitoring
Not on the Sentry risk list
Orbital parameters
Next closest approach
Date
Relative velocity
22.48 km/s
Miss distance (lunar)
60.283 LD
Miss distance (km)
23,182,866 km
Physical characteristics
Perihelion
0.667 AU
Aphelion
3.477 AU
Orbital period
1089.6 days
Inclination
31.812°
Eccentricity
0.678
Semi-major axis
2.072 AU
Est. diameter (min–max)
732m - 1.6km
Log scale · 1m – 100km
Absolute magnitude
17.8 H
Orbit class
APO
Observations used
3,132