9903 Leonhardt
|
| |
| Discovery | |
|---|---|
| Discovered by | Paul Comba |
| Discovery date | 4 July 1997 |
| Designations | |
| MPC designation | 9903 Leonhardt |
Named after | Gustav Leonhardt |
| 1997 NA1, 1976 UG6 | |
| Orbital characteristics[1] | |
| Epoch 13 January 2016 (JD 2457400.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 14379 days (39.37 yr) |
| Aphelion | 3.8234207 AU (571.97560 Gm) |
| Perihelion | 2.3359569 AU (349.45418 Gm) |
| 3.0796888 AU (460.71489 Gm) | |
| Eccentricity | 0.241496 |
| 5.40 yr (1974.1 d) | |
Average orbital speed | 16.98698062 km/s |
| 131.03457° | |
| 0° 10m 56.518s / day | |
| Inclination | 1.684261° |
| 196.07758° | |
| 139.0275° | |
| Earth MOID | 1.32456 AU (198.151 Gm) |
| Jupiter MOID | 1.56453 AU (234.050 Gm) |
| Jupiter Tisserand parameter | 3.182 |
| Physical characteristics | |
| Dimensions | ~17.8 km[2] |
| ~0.01 | |
| 14.5 | |
|
| |
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°.[1]
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.[3] Also the asteroid (12637) Gustavleonhardt was named after Gustav Leonhardt.[1]
References
- 1 2 3 "9903 Leonhardt (1997 NA1)". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 13 April 2016.
- ↑ Tedesco E.F.; Noah P.V.; Noah M.; Price S.D. "The supplemental IRAS minor planet survey (SIMPS)".
- ↑ MPC 34356 Minor Planet Center
External links
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