2002 MS4
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- The correct title of this article is 2002 MS4. 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 | Chad Trujillo, Michael E. Brown |
| Discovery date | 18 June 2002 |
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Designations
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| MPC designation | 2002 MS4 |
| Alternative names | none |
| Minor planet category |
TNO |
| Epoch December 31, 2006 (JD 2454100.5) | |
| Aphelion | 7144.517 Gm (47.758 AU) |
| Perihelion | 5399.794 Gm (36.095 AU) |
| Semi-major axis | 6272.155 Gm (41.927 AU) |
| Eccentricity | 0.139 |
| Orbital period | 99159.774 d (271.48 a) |
| Average orbital speed | 4.58 km/s |
| Mean anomaly | 203.851° |
| Inclination | 17.667° |
| Longitude of ascending node | 215.959° |
| Argument of perihelion | 215.558° |
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Physical characteristics
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| Dimensions | 726 ±123 km[1] |
| Mass | 0.78-1.8×1020? kg |
| Mean density | 2.0? g/cm³ |
| Equatorial surface gravity | 0.12-0.33? m/s² |
| Escape velocity | 0.22-0.63? km/s |
| Sidereal rotation period |
? d |
| Albedo | 0.08[1] |
| Temperature | ~43 K |
| Spectral type | B-V=0.69; V-R=0.38 [2] |
| Absolute magnitude | 3.85 |
2002 MS4 is a Trans-Neptunian object (TNO). It was discovered in 2002 by Chad Trujillo and Michael E. Brown. It is classified as a Kuiper belt object.
[edit] References
- ^ a b Stansberry, Grundy, Brown, Spencer, Trilling, Cruikshank, Luc Margot Physical Properties of Kuiper Belt and Centaur Objects: Constraints from Spitzer Space Telescope (2007) [Preprint arXiv]
- ^ Tegler, Stephen C. (2006-01-26). Kuiper Belt Object Magnitudes and Surface Colors. Retrieved on 2006-11-05.
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