2021AD help
Last update: 2024-04-21 14:06 UTC
Orbital Properties
Epoch
60400.0
MJD
Orbit type
Apollo
-
Perihelion (q)
0.927
au
Aphelion (Q)
2.252
au
Eccentricity (e)
0.417
-
Inclination (i)
8.6
deg
Orbit period (P)
732.0
d
Earth MOID
0.01908
au
U parameter
8.6
-
Next Earth close approach
Date
2025-01-25
Nominal distance (from Earth center)
0.0577
au
8631290
km
Maximum Brightness
24.4
mag
Risk
Object is not in risk list
Object is not in priority list
Physical Properties
Absolute Magnitude (H)
24.5
mag
Diameter
30 - 80*
m
Taxonomic type
-
Rotation period (T)
-
h
Discovery Information
Discovery Date
2021-01-02
Observatory
Mt. Lemmon Survey
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