Discovered by Paul Comba MPC designation 9903 Leonhardt Observation arc 14379 days (39.37 yr) Absolute magnitude 14.5 Discoverer Paul G. Comba Discovery site Prescott Observatory | Discovery date 4 July 1997 Alternative names 1997 NA1, 1976 UG6 Discovered 4 July 1997 Orbits Sun Named after Gustav Leonhardt Asteroid group Asteroid belt | |
 | ||
Aphelion 3.8234207 AU (571.97560 Gm) | ||
9903 Leonhardt is a main belt asteroid. It has an eccentricity of 0.245 and an orbital period of 5.40 years. Leonhardt has an average orbital speed of approximately 16.987 km/s and an inclination of 1.68°.
It was discovered on July 4, 1997 by Paul Comba at the Prescott Observatory. Originally given the provisional designation "1997 NA1", it was renamed "Leonhardt" after Gustav Leonhardt, the eminent Dutch harpsichordist, conductor and pedagogue. Also the asteroid (12637) Gustavleonhardt was named after Gustav Leonhardt.
References
9903 Leonhardt Wikipedia(Text) CC BY-SA