Near-Earth object / ID: 2172722
172722 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 781m - 1.7km across. It has been followed since 2004-01-31 across 518 recorded observations. Its next approach to Earth is 2029-Jan-02 18:51, passing at 48.042 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
0.103 AU
Orbit uncertainty
0 / 9 (well determined)
Sentry monitoring
Not on the Sentry risk list
Orbital parameters
Next closest approach
Date
Relative velocity
20.75 km/s
Miss distance (lunar)
48.042 LD
Miss distance (km)
18,475,422 km
Physical characteristics
Perihelion
0.464 AU
Aphelion
2.623 AU
Orbital period
700.4 days
Inclination
7.217°
Eccentricity
0.699
Semi-major axis
1.543 AU
Est. diameter (min–max)
781m - 1.7km
Log scale · 1m – 100km
Absolute magnitude
17.7 H
Orbit class
APO
Observations used
518