(174567) 2003 MW12
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- The correct title of this article is (174567) 2003 MW12. It features superscript or subscript characters that are substituted or omitted because of technical limitations.
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Discovery
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| Discovered by | J. A. Larsen[1] |
| Discovery date | June 21, 2003 |
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Designations
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| MPC designation | 2003 MW12 |
| Alternative names | none |
| Minor planet category |
TNO (cubewano) |
| Epoch December 31, 2006 (JD 2454100.5) | |
| Aphelion | 7821.517 Gm (52.284 AU) |
| Perihelion | 5927.302 Gm (39.622 AU) |
| Semi-major axis | 6874.410 Gm (45.953 AU) |
| Eccentricity | 0.138 |
| Orbital period | 113779.342 d (311.51 a) |
| Average orbital speed | 4.37 km/s |
| Mean anomaly | 257.434° |
| Inclination | 21.494° |
| Longitude of ascending node | 184.009° |
| Argument of perihelion | 181.811° |
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Physical characteristics
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| Dimensions | 765 km[2] |
| Mass | 4.7×1020? kg |
| Mean density | 2.0? g/cm³ |
| Equatorial surface gravity | 0.2138? m/s² |
| Escape velocity | 0.4044? km/s |
| Sidereal rotation period |
? d |
| Albedo | 0.10? |
| Temperature | ~41 K |
| Spectral type | ? |
| Absolute magnitude | 3.72 |
(174567) 2003 MW12, also written (174567) 2003 MW12, is a trans-Neptunian object (TNO) that is in the Kuiper belt. It was discovered on June 21, 2003 by Jeffrey A. Larsen.
[edit] References
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