Near-Earth object / ID: 2143637
143637 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 1.3km - 2.9km across. It has been followed since 2003-06-12 across 1724 recorded observations. Its next approach to Earth is 2031-May-05 09:16, passing at 54.856 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
0.340 AU
Orbit uncertainty
0 / 9 (well determined)
Sentry monitoring
Not on the Sentry risk list
Orbital parameters
Next closest approach
Date
Relative velocity
46.54 km/s
Miss distance (lunar)
54.856 LD
Miss distance (km)
21,096,178 km
Physical characteristics
Perihelion
0.203 AU
Aphelion
3.290 AU
Orbital period
843.0 days
Inclination
43.561°
Eccentricity
0.884
Semi-major axis
1.746 AU
Est. diameter (min–max)
1.3km - 2.9km
Log scale · 1m – 100km
Absolute magnitude
16.6 H
Orbit class
APO
Observations used
1,724