21064 Yangliwei
From Wikipedia, the free encyclopedia
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Discovery and designation
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| Discovered by | Eric Walter Elst |
| Discovery site | European Southern Observatory, Chile |
| Discovery date | June 6, 1991 |
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Designations
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| MPC designation | 21064 |
| Alternate name[note 1] | 1991 LY1, 1999 VT38 |
| Epoch November 26, 2005 (JD 2453700.5) | |
| Aphelion | 534.854 Gm (3.575 AU) |
| Perihelion | 417.926 Gm (2.794 AU) |
| Semi-major axis | 476.390 Gm (3.184 AU) |
| Eccentricity | 0.123 |
| Orbital period | 2075.650 d (5.68 a) |
| Mean anomaly | 200.741° |
| Inclination | 2.607° |
| Longitude of ascending node | 81.551° |
| Argument of perihelion | 160.312° |
| Dimensions | ? km |
| Mass | ?×10? kg |
| Mean density | ? g/cm³ |
| Equatorial escape velocity | ? km/s |
| Rotation period | ? d |
| Geometric albedo | 0.1? |
21062 Yangliwei is an asteroid named after Chinese astronaut Yang Liwei. It was discovered in 1991 and named in 2005.
[edit] References
- AstDys object list
- "Asteroids Named After First Manned Spacecraft, Spaceman". Xinhua News Agency. March 17, 2005. http://www.spacedaily.com/news/telescopes-05k.html.
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