Near-Earth object / ID: 2138883
138883 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 1.1km - 2.5km across. It has been followed since 1984-03-05 across 1919 recorded observations. Its next approach to Earth is 2028-Sep-15 17:31, passing at 57.818 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
0.138 AU
Orbit uncertainty
0 / 9 (well determined)
Sentry monitoring
Not on the Sentry risk list
Orbital parameters
Next closest approach
Date
Relative velocity
14.40 km/s
Miss distance (lunar)
57.818 LD
Miss distance (km)
22,235,062 km
Physical characteristics
Perihelion
1.007 AU
Aphelion
2.065 AU
Orbital period
695.3 days
Inclination
21.896°
Eccentricity
0.344
Semi-major axis
1.536 AU
Est. diameter (min–max)
1.1km - 2.5km
Log scale · 1m – 100km
Absolute magnitude
16.9 H
Orbit class
APO
Observations used
1,919