257 Silesia
|
Light curve-based 3D-model of 257 Silesia | |
| Discovery [1] | |
|---|---|
| Discovered by | J. Palisa |
| Discovery site | Vienna Observatory |
| Discovery date | 5 April 1886 |
| Designations | |
| MPC designation | 257 Silesia |
Named after | Silesia (region)[2] |
|
1929 DD · 1952 FL1 1952 HU | |
| main-belt | |
| Orbital characteristics [1] | |
| Epoch 27 June 2015 (JD 2457200.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 129.44 yr (47,279 days) |
| Aphelion | 3.4691 AU |
| Perihelion | 2.7711 AU |
| 3.1201 AU | |
| Eccentricity | 0.1118 |
| 5.51 yr (2013.0 days) | |
| 319.09° | |
| Inclination | 3.6349° |
| 34.363° | |
| 27.557° | |
| Earth MOID | 1.7850 AU |
| Physical characteristics | |
| Dimensions | 72.7 km |
| 15.7095 h | |
| 0.0545 | |
|
B–V = 0.761 U–B = 0.384 SCTU (Tholen) Ch (SMASS) | |
| 9.47 | |
|
| |
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257 Silesia is a large Main belt asteroid, about 73 kilometers in diameter. It was discovered by Johann Palisa on April 5, 1886 at Vienna Observatory, Austria.
It is named after Silesia, the province of the discoverer's birthplace, now located in the Czech Republic. The by far largest part of Silesia nowadays belongs to Poland.[2]
References
- 1 2 "JPL Small-Body Database Browser: 257 Silesia" (2015-09-16 last obs.). Jet Propulsion Laboratory. Retrieved October 2015.
- 1 2 Schmadel, Lutz D. (2003). Dictionary of Minor Planet Names – (257) Silesia. Springer Berlin Heidelberg. p. 38. ISBN 978-3-540-29925-7. Retrieved October 2015.
External links
- "257 Silesia". JPL Small-Body Database. Jet Propulsion Laboratory. SPK-ID: 2000257.
- Orbital simulation from JPL
- 257 Silesia at the JPL Small-Body Database
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