(174567) 2003 MW12
From Wikipedia, the free encyclopedia
- 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.
Discovery
|
|
---|---|
Discovered by | J. A. Larsen[1] |
Discovery date | June 21, 2003 |
Designations
|
|
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° |
Physical characteristics
|
|
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
|