Near-Earth object / ID: 2174881
174881 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 635m - 1.4km across. It has been followed since 2000-12-30 across 306 recorded observations. 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
0.458 AU
Orbit uncertainty
0 / 9 (well determined)
Sentry monitoring
Not on the Sentry risk list
Orbital parameters
Close approach
No approaches to Earth on record.
Physical characteristics
Est. diameter (min–max)
635m - 1.4km
Log scale · 1m – 100km
Absolute magnitude
18.1 H
Orbit class
Perihelion
0.556 AU
Aphelion
1.953 AU
Orbital period
512.9 days
Inclination
57.239°
Eccentricity
0.557
Semi-major axis
1.254 AU
APO
Observations used
306