Near-Earth object / ID: 2087311
87311 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 - 3km across. It has been followed since 1982-08-16 across 2680 recorded observations. Its next approach to Earth is 2054-Feb-13 13:34, passing at 50.596 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
0.108 AU
Orbit uncertainty
0 / 9 (well determined)
Sentry monitoring
Not on the Sentry risk list
Orbital parameters
Next closest approach
Date
Relative velocity
9.15 km/s
Miss distance (lunar)
50.596 LD
Miss distance (km)
19,457,531 km
Physical characteristics
Perihelion
0.776 AU
Aphelion
2.405 AU
Orbital period
732.5 days
Inclination
7.697°
Eccentricity
0.512
Semi-major axis
1.590 AU
Est. diameter (min–max)
1.3km - 3km
Log scale · 1m – 100km
Absolute magnitude
16.5 H
Orbit class
APO
Observations used
2,680