Near-Earth object / ID: 2016912
16912 Rhiannon 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 699m - 1.6km across. It has been followed since 1992-08-29 across 333 recorded observations. Its next approach to Earth is 2141-Jan-11 02:51, passing at 18.923 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
0.321 AU
Orbit uncertainty
0 / 9 (well determined)
Sentry monitoring
Not on the Sentry risk list
Orbital parameters
Next closest approach
Date
Relative velocity
13.02 km/s
Miss distance (lunar)
18.923 LD
Miss distance (km)
7,277,247 km
Physical characteristics
Perihelion
1.274 AU
Aphelion
2.229 AU
Orbital period
846.4 days
Inclination
24.522°
Eccentricity
0.273
Semi-major axis
1.751 AU
Est. diameter (min–max)
699m - 1.6km
Log scale · 1m – 100km
Absolute magnitude
17.9 H
Orbit class
AMO
Observations used
333