2021HH help
Last update: 2024-03-28 14:01 UTC
Orbital Properties
Epoch
60400.0
MJD
Orbit type
Apollo
-
Perihelion (q)
0.670
au
Aphelion (Q)
2.216
au
Eccentricity (e)
0.536
-
Inclination (i)
9.1
deg
Orbit period (P)
633.4
d
Earth MOID
0.01769
au
U parameter
8.4
-
Next Earth close approach
Date
2026-10-25
Nominal distance (from Earth center)
0.01838
au
2749353
km
Maximum Brightness
19.3
mag
Risk
Object is not in risk list
Object is not in priority list
Physical Properties
Absolute Magnitude (H)
25.1
mag
Diameter
25 - 60*
m
Taxonomic type
-
Rotation period (T)
-
h
Discovery Information
Discovery Date
2021-04-16
Observatory
Pan-STARRS 1, Haleakala
Orbit Visualiser
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