Near-Earth object / ID: 2143947
143947 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 2.3km - 5km across. It has been followed since 2002-03-15 across 2251 recorded observations. Its next approach to Earth is 2029-Apr-10 04:18, passing at 43.805 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
0.103 AU
Orbit uncertainty
0 / 9 (well determined)
Sentry monitoring
Not on the Sentry risk list
Orbital parameters
Next closest approach
Date
Relative velocity
19.51 km/s
Miss distance (lunar)
43.805 LD
Miss distance (km)
16,846,001 km
Physical characteristics
Perihelion
0.754 AU
Aphelion
3.610 AU
Orbital period
1177.5 days
Inclination
21.028°
Eccentricity
0.654
Semi-major axis
2.182 AU
Est. diameter (min–max)
2.3km - 5km
Log scale · 1m – 100km
Absolute magnitude
15.4 H
Orbit class
APO
Observations used
2,251