21088 Chelyabinsk help
Last update: 2026-06-05 09:04 UTC
Orbital Properties
Epoch
61200.0
MJD
Orbit type
Amor
-
Perihelion (q)
1.299
au
Aphelion (Q)
2.114
au
Eccentricity (e)
0.239
-
Inclination (i)
38.5
deg
Orbit period (P)
814.2
d
Earth MOID
0.30731
au
U parameter
0.0
-
Next Earth close approach
Date
-
Nominal distance (from Earth center)
-
au
-
km
Maximum Brightness
-
mag
Risk
Object is not in risk list
Physical Properties
Absolute Magnitude (H)
14.3
mag
Diameter
4230
m
Taxonomic type
S
Rotation period (T)
22.48
h
Discovery Information
Discovery Date
1992-01-30
Observatory
European Southern Observatory, La Silla
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