5335 Damocles

(5335) Damocles /ˈdæməklz/, provisional designation 1991 DA, is a centaur and the namesake of the damocloids, a group of minor planets which may be inactive nuclei of the Halley-type and long-period comets. It was discovered on 18 February 1991, by Australian astronomer Robert McNaught at Siding Spring Observatory in Australia. It is named after Damocles, a figure of Greek mythology.

(5335) Damocles
Discovery
Discovered byR. H. McNaught
Discovery siteSiding Spring Obs.
Discovery date18 February 1991
Designations
MPC designation
(5335) Damocles
Pronunciation/ˈdæməklz/
Named after
Damocles (Greek mythology)
Alternative designations
1991 DA
Minor planet category
distant
centaur · damocloid
AdjectivesDamoclean (/dæməˈkliːən/)
Symbol (astrological)
Orbital characteristics
Epoch 4 September 2017 (JD 2458000.5)
Uncertainty parameter 4
Observation arc1.51 yr (551 days)
Aphelion22.078 AU
Perihelion1.5741 AU
Semi-major axis
11.826 AU
Eccentricity0.8669
Orbital period (sidereal)
40.67 Jyr (14,854 days)
Mean anomaly
236.35°
Mean motion
0° 1m 27.12s / day
Inclination61.875°
Longitude of ascending node
314.14°
191.26°
Mars MOID0.05787 AU
TJupiter1.149
Physical characteristics
Dimensions~ 10 km
26.56
13.3
    This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.