Near-Earth object / ID: 2138859
138859 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 425m - 951m across. It has been followed since 2000-11-27 across 324 recorded observations. Its next approach to Earth is 2036-Dec-03 12:23, passing at 41.091 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
0.141 AU
Orbit uncertainty
0 / 9 (well determined)
Sentry monitoring
Not on the Sentry risk list
Orbital parameters
Next closest approach
Date
Relative velocity
10.85 km/s
Miss distance (lunar)
41.091 LD
Miss distance (km)
15,802,549 km
Physical characteristics
Perihelion
0.737 AU
Aphelion
2.409 AU
Orbital period
720.7 days
Inclination
13.156°
Eccentricity
0.532
Semi-major axis
1.573 AU
Est. diameter (min–max)
425m - 951m
Log scale · 1m – 100km
Absolute magnitude
19.0 H
Orbit class
APO
Observations used
324