4544 Xanthus

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Xanthus
Xanthus Mar 6 2013.PNG
Orbit diagram of Xanthus asteroid with location as of March 6, 2013
Discovery
Discovered by Henry Holt and Norman G. Thomas
Discovery site Palomar Observatory
Discovery date 31 March 1989
Designations
MPC designation 4544
1989 FB
Orbital characteristics[1]
Epoch 13 January 2016 (JD 2457400.5)
Uncertainty parameter 0
Observation arc 7629 days (20.89 yr)
Aphelion 1.3023 AU (194.82 Gm)
Perihelion 0.78120 AU (116.866 Gm)
1.0418 AU (155.85 Gm)
Eccentricity 0.25012
1.06 yr (388.38 d)
269.26925°
0° 55m 36.923s / day
Inclination 14.146°
24.00998°
333.75°
Earth MOID 0.173705 AU (25.9859 Gm)
Jupiter MOID 4.14002 AU (619.338 Gm)
Jupiter Tisserand parameter 5.835
Physical characteristics
Dimensions 1.3 km
Mean radius
0.65 km
37.65 h (1.569 d)
17.1

4544 Xanthus (1989 FB) is an Apollo NEO discovered on March 31, 1989 by Henry Holt and Norman G. Thomas at Palomar Observatory.

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