21711 Wilfredwong
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Orbit Diagram of Wilfredwong
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Discovery
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| Discovered by | LINEAR |
| Discovery date | September 7, 1999 |
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Designations
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| Alternate name(s) | 1999 RE95 |
| Minor planet category |
Main belt |
| Epoch May 14, 2008 (JD 2454600.5) | |
| Aphelion | 2.8947351 AU) |
| Perihelion | 2.0452755 AU |
| Semi-major axis | 2.47 AU |
| Eccentricity | 0.1719550 |
| Orbital period | 1417.8989259 d (3.88 a) |
| Average orbital speed | ? km/s |
| Mean anomaly | 241.16546° |
| Inclination | 2.819° |
| Longitude of ascending node | 192.73956° |
| Argument of perihelion | 7.22994° |
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Physical characteristics
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| Dimensions | 3-7km diameter |
| Mass | ?×10? kg |
| Mean density | ? g/cm³ |
| Equatorial surface gravity | ? m/s² |
| Escape velocity | ? km/s |
| Rotation period | ? d |
| Albedo | ? |
| Temperature | ? K |
| Spectral type | ? |
| Absolute magnitude (H) | 14.7 |
21711 Wilfredwong is an minor planet discovered on September 7, 1999 by MIT Lincoln Laboratory's Near-Earth Asteroid Research (LINEAR) program. It lies in the Ceres belt of the solar system.
It was named in honor of Wilfred Wong (b. 1988), who was awarded second place in the 2006 Intel International Science and Engineering Fair for his engineering project, Polycaprolactone-Chitosan Nanocomposite Biomaterials for Tissue Engineering and Wound Healing.
[edit] References
- Jet Propulsion Laboratory page on 21711 Wilfredwong
- Jet Propulsion Laboratory orbit diagram of 21711 Wilfred Wong
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