Last update: 2021-03-05 15:02 UTC
Summary
Orbit Properties
Physical Properties
Observations
Ephemerides
Close Approaches
Possible Impacts
 
2021AD4
Orbital Properties
Epoch 59200.0 MJD
Orbit type Aten
Perihelion (q) 0.832 au
Aphelion (Q) 0.987 au
Eccentricity (e) 0.086 -
Inclination (i) 9.5 deg
Orbit period (P) 316.8 days
Earth MOID 0.00121 au
Next Earth close approach
Date 2027/06/24
Nominal distance (from Earth center) 0.1844 au
27585839 km
Maximum Brightness 135.7 -
Risk
Object is in risk list
Object is not in priority list
Physical Properties
Absolute Magnitude (H) 25.7 -
Diameter 26* m
Taxonomic type -
Rotation period (T) - h
Orbit Visualization
Discovery Information
Discovery Date 2021-01-09
Observatory Mt. Lemmon Survey
External Links
Proper elements
*Estimated from the absolute magnitude using