332 Siri
| Discovery | |
|---|---|
| Discovered by | Max Wolf |
| Discovery site | Heidelburg |
| Discovery date | March 19, 1892 |
| Designations | |
| A896 BA, A922 XA | |
| Main belt | |
| Orbital characteristics[1] | |
| Epoch June 27, 2015 | |
| Aphelion | 3.022 AU (452.1 Gm) |
| Perihelion | 2.523 AU (377.4 Gm) |
| 2.772 AU (414.7 Gm) | |
| Eccentricity | 0.090 |
| 1685.893 d (4.62 yr) | |
Average orbital speed | 17.89 km/s |
| 101.063° | |
| Inclination | 2.847° |
| 31.585° | |
| 296.292° | |
| Proper orbital elements | |
Proper mean motion | 77.941 deg / yr |
Proper orbital period |
4.61888 yr (1687.045 d) |
| Physical characteristics | |
| Dimensions | 40.37 km |
| 8.007 hours | |
| Albedo | 0.1719 |
| Temperature | ~160 K (equilibrium)[2] |
| 9.65[3] | |
|
| |
332 Siri is a main belt asteroid in orbit around the Sun. It was discovered by German astronomer Max Wolf on March 19, 1892 in Heidelberg.[3] The origin of this asteroid's name is unclear. On October 5, 2092, 332 Siri will pass 4,981,670 km (3,095,470 mi) from the asteroid 29 Amphitrite with a relative velocity of 2.054 kilometers per second.[1]
References
- 1 2 "332 Siri". JPL Small-Body Database. Jet Propulsion Laboratory. SPK-ID: 332.
- ↑ "Planetary Habitability Calculators". Planetary Habitability Laboratory. University of Puerto Rico at Arecibo. Retrieved 27 November 2015.
- 1 2 Warner, Brian D. (December 2007), "Initial Results of a Dedicated H-G Project", The Minor Planet Bulletin 34, pp. 113–119, Bibcode:2007MPBu...34..113W.
External links
- 332 Siri at the JPL Small-Body Database
| ||||||
| ||||||||||||||||||||||||||||
This article is issued from Wikipedia - version of the Tuesday, May 03, 2016. The text is available under the Creative Commons Attribution/Share Alike but additional terms may apply for the media files.