Near-Earth object / ID: 2159857
159857 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 2.2km - 4.8km across. It has been followed since 1995-02-03 across 3315 recorded observations. Its next approach to Earth is 2038-Nov-16 13:44, passing at 7.715 LD. JPL classifies it as a potentially hazardous asteroid, a label driven by its size and how close its orbit comes to ours — not by a predicted impact.
Data source: NASA NeoWs API
Visualization: mesh render
Hazard analysis
PHA status
Potentially hazardous
Min. orbit intersection
0.015 AU
Orbit uncertainty
0 / 9 (well determined)
Sentry monitoring
Not on the Sentry risk list
Orbital parameters
Next closest approach
Date
Relative velocity
17.17 km/s
Miss distance (lunar)
7.715 LD
Miss distance (km)
2,967,126 km
Physical characteristics
Perihelion
0.919 AU
Aphelion
3.605 AU
Orbital period
1242.7 days
Inclination
23.152°
Eccentricity
0.594
Semi-major axis
2.262 AU
Est. diameter (min–max)
2.2km - 4.8km
Log scale · 1m – 100km
Absolute magnitude
15.5 H
Orbit class
APO
Observations used
3,315