Near-Earth object / ID: 2018172
18172 is a near-Earth object of the AMO orbit class — Near-Earth asteroid orbits similar to that of 1221 Amor. Radar and photometric estimates put it between 1.9km - 4.3km across. It has been followed since 1977-07-21 across 4582 recorded observations. Its last recorded approach to Earth was 1929-May-28 18:34. 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
0.366 AU
Orbit uncertainty
0 / 9 (well determined)
Sentry monitoring
Not on the Sentry risk list
Orbital parameters
Last recorded approach
Date
Relative velocity
14.37 km/s
Miss distance (lunar)
31.600 LD
Miss distance (km)
12,152,371 km
Physical characteristics
Perihelion
1.186 AU
Aphelion
3.665 AU
Orbital period
1380.0 days
Inclination
17.829°
Eccentricity
0.511
Semi-major axis
2.426 AU
Est. diameter (min–max)
1.9km - 4.3km
Log scale · 1m – 100km
Absolute magnitude
15.7 H
Orbit class
AMO
Observations used
4,582