Near-Earth object / ID: 2155140
155140 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 852m - 1.9km across. It has been followed since 1982-11-06 across 795 recorded observations. Its next approach to Earth is 2041-Oct-03 09:50, passing at 35.643 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
0.077 AU
Orbit uncertainty
0 / 9 (well determined)
Sentry monitoring
Not on the Sentry risk list
Orbital parameters
Next closest approach
Date
Relative velocity
31.95 km/s
Miss distance (lunar)
35.643 LD
Miss distance (km)
13,707,177 km
Physical characteristics
Perihelion
0.163 AU
Aphelion
2.387 AU
Orbital period
525.7 days
Inclination
28.612°
Eccentricity
0.872
Semi-major axis
1.275 AU
Est. diameter (min–max)
852m - 1.9km
Log scale · 1m – 100km
Absolute magnitude
17.5 H
Orbit class
APO
Observations used
795