Discovery date 31 March 1989 Alternative names 1989 FB Aphelion 1.3023 AU (194.82 Gm) Discovered 31 March 1989 Discovery site Palomar Observatory | MPC designation 4544 Observation arc 7629 days (20.89 yr) Orbital period 387 days Orbits Sun Asteroid group Apollo asteroid | |
 | ||
Discovered by Henry Holt and Norman G. Thomas Discoverers Henry E. Holt, Norman G. Thomas Similar 3103 Eger, 4183 Cuno, 1865 Cerberus, 3362 Khufu, Solar System | ||
4544 Xanthus (1989 FB) is an Apollo NEO discovered on March 31, 1989 by Henry Holt and Norman G. Thomas at Palomar Observatory.
References
4544 Xanthus Wikipedia(Text) CC BY-SA