1911 Schubart
1911 Schubart, provisional designation 1973 UD, is a dark Hildian asteroid and parent body of the Schubart family, located in the outermost region of the asteroid belt, approximately 70 kilometers in diameter. It was discovered on 25 October 1973, by Swiss astronomer Paul Wild at Zimmerwald Observatory, near Bern, Switzerland. The asteroid was named after German astronomer Joachim Schubart.
| Discovery | |
|---|---|
| Discovered by | P. Wild |
| Discovery site | Zimmerwald Obs. |
| Discovery date | 25 October 1973 |
| Designations | |
| (1911) Schubart | |
Named after | Joachim Schubart (German astronomer) |
| 1973 UD · 1928 DW 1933 UX1 · 1941 SU1 1951 AH1 · 1952 DS2 1960 EF · 1968 FM 1972 RO · 1972 TY4 | |
| main-belt · (outer) Hilda · Schubart | |
| Orbital characteristics | |
| Epoch 4 September 2017 (JD 2458000.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 89.27 yr (32,606 days) |
| Aphelion | 4.6512 AU |
| Perihelion | 3.3013 AU |
| 3.9762 AU | |
| Eccentricity | 0.1697 |
| 7.93 yr (2,896 days) | |
| 136.84° | |
| 0° 7m 27.48s / day | |
| Inclination | 1.6431° |
| 284.84° | |
| 181.75° | |
| Jupiter MOID | 0.5059 AU |
| TJupiter | 3.0310 |
| Physical characteristics | |
| Dimensions | 64.66±23.84 km 67.476±0.504 km 80.09±2.0 km 80.11 km (derived) 80.13±1.25 km |
| 7.91±0.02 h 11.915±0.002 h | |
| 0.0249±0.001 0.025±0.001 0.0316 (derived) 0.035±0.001 0.04±0.01 0.04±0.03 | |
| Tholen = P · C/P B–V = 0.701 U–B = 0.217 | |
| 9.85 · 10.11 | |
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