Discovered by K. Reinmuth MPC designation 4001 Discovered 2 August 1949 Discoverer Karl Wilhelm Reinmuth Asteroid group Asteroid belt | Discovery date 2 August 1949 Observation arc 24302 days (66.54 yr) Orbits Sun Named after Ptolemy | |
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Alternative names 1949 PV, 1949 QD1, 1982 BU9, 1987 OE Aphelion 2.6824383 AU (401.28706 Gm) Discovery site Heidelberg-Königstuhl State Observatory Similar Asteroid belt, Solar System, 1862 Apollo, Sun, 1419 Danzig | ||
4001 Ptolemaeus (1949 PV) is a main-belt asteroid discovered on August 2, 1949 by K. Reinmuth at Heidelberg.
Close Approaches
On April 24, 1989, Ptolemaeus made a close approach to the asteroid 6 Hebe. It came within 5,531,478 km of Hebe at a relative velocity of 3.6662 km/s.
References
4001 Ptolemaeus Wikipedia(Text) CC BY-SA