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161989 Cacus

161989 Cacus
Discovery
Discovered by HE Schuster
Discovery site European Southern Observatory
Discovery date 8 February 1978
Designations
MPC designation (1978) CA
MPO 338323
Orbital characteristics
Epoch 13 January 2016 (JD 2457400.5)
Uncertainty parameter 0
Observation arc 13905 days (38.07 yr)
Aphelion 1.3633 AU (203.95 Gm)
Perihelion 0.88274 AU (132.056 Gm)
1.1230 AU (168.00 Gm)
Eccentricity 0.21395
1.19 yr (434.68 d)
208.54°
0.82820°/day
Inclination 26.062°
161.25°
102.15°
Earth MOID 0.0138852 AU (2.07720 Gm)
Jupiter MOID 3.81078 AU (570.085 Gm)
Physical characteristics
Dimensions 1.9 km
Mean radius
0.95 km
3.7538 h (0.15641 d)
0.09
S
17.2

161989 Cacus (or 1978 CA) is an Apollo asteroid, near Earth asteroid, and a Potentially Hazardous Asteroid (PHA).

It is named after the fire-breathing monster called Cacus, who stole Hercules' cattle.



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