Tags: Planet.

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

Xanthus_Mar_6_2013.PNG
apoapsis (km)
1.94776e+11
orbital period (μ)
3.35591e+07
periapsis (km)
1.16881e+11
absolute magnitude
17.1
discovery date
1989-03-31
discoverer
Henry E. Holt, Norman G. Thomas
epoch
May 14 2008
former name
1989 FB

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