Near-Earth object / ID: 2155336
155336 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 553m - 1.2km across. It has been followed since 1999-07-14 across 148 recorded observations. Its next approach to Earth is 2027-Jul-10 14:28, passing at 54.684 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
0.072 AU
Orbit uncertainty
0 / 9 (well determined)
Sentry monitoring
Not on the Sentry risk list
Orbital parameters
Next closest approach
Date
Relative velocity
16.52 km/s
Miss distance (lunar)
54.684 LD
Miss distance (km)
21,030,012 km
Physical characteristics
Perihelion
0.557 AU
Aphelion
3.685 AU
Orbital period
1128.1 days
Inclination
4.192°
Eccentricity
0.737
Semi-major axis
2.121 AU
Est. diameter (min–max)
553m - 1.2km
Log scale · 1m – 100km
Absolute magnitude
18.4 H
Orbit class
APO
Observations used
148