2021WS4
Last update: 2022-01-23 14:32 UTC
Orbital Properties
Epoch
59600.0
MJD
Orbit type
Apollo
Perihelion (q)
0.989
au
Aphelion (Q)
1.207
au
Eccentricity (e)
0.099
-
Inclination (i)
2.8
deg
Orbit period (P)
420.1
days
Earth MOID
0.00413
au
Next Earth close approach
Date
2029-06-04
Nominal distance (from Earth center)
0.18856
au
28208769
km
Maximum Brightness
27.9
-
Orbit Visualiser
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Risk
Object is not in risk list
Object is not in priority list
Physical Properties
Absolute Magnitude (H)
30.7
-
Diameter
2.6*
*Estimated from the absolute magnitude using
m
Taxonomic type
-
Rotation period (T)
-
h
Discovery Information
Discovery Date
2021-11-30
Observatory
Mt. Lemmon Survey
External links