161989 Cacus help
Last update: 2024-05-08 19:01 UTC
Orbital Properties
Epoch
60400.0
MJD
Orbit type
Apollo
-
Perihelion (q)
0.883
au
Aphelion (Q)
1.363
au
Eccentricity (e)
0.214
-
Inclination (i)
26.1
deg
Orbit period (P)
434.5
d
Earth MOID
0.01557
au
U parameter
0.0
-
A2
-9.4
10-15au/days2
Next Earth close approach
Date
2028-03-07
Nominal distance (from Earth center)
0.14763
au
22085634
km
Maximum Brightness
14.7
mag
Risk
Object is not in risk list
Object is not in priority list
Physical Properties
Absolute Magnitude (H)
17.3
mag
Diameter
1126
m
Taxonomic type
Scomp
Rotation period (T)
3.75
h
Discovery Information
Discovery Date
1978-02-08
Observatory
European Southern Observatory, La Silla
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