Near-Earth object / ID: 2139345
139345 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 1.2km - 2.7km across. It has been followed since 2001-05-30 across 1083 recorded observations. Its next approach to Earth is 2052-Feb-29 23:15, passing at 48.934 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
0.262 AU
Orbit uncertainty
0 / 9 (well determined)
Sentry monitoring
Not on the Sentry risk list
Orbital parameters
Next closest approach
Date
Relative velocity
21.64 km/s
Miss distance (lunar)
48.934 LD
Miss distance (km)
18,818,462 km
Physical characteristics
Perihelion
0.538 AU
Aphelion
3.072 AU
Orbital period
885.9 days
Inclination
22.279°
Eccentricity
0.702
Semi-major axis
1.805 AU
Est. diameter (min–max)
1.2km - 2.7km
Log scale · 1m – 100km
Absolute magnitude
16.7 H
Orbit class
APO
Observations used
1,083