(24835) 1995 SM55
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- The correct title of this article is (24835) 1995 SM55. 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 | Nichole M. Danzl[1] |
| Discovery date | September 19, 1995 |
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Designations
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| MPC designation | (24835) 1995 SM55 |
| Alternative names | none |
| Minor planet category |
TNO |
| Epoch December 31, 2006 (JD 2454100.5) | |
| Aphelion | 6867.313 Gm (45.905 AU) |
| Perihelion | 5595.012 Gm (37.400 AU) |
| Semi-major axis | 6231.162 Gm (41.653 AU) |
| Eccentricity | 0.102 |
| Orbital period | 98189.245 d (268.83 a) |
| Average orbital speed | 4.60 km/s |
| Mean anomaly | 315.427° |
| Inclination | 27.092° |
| Longitude of ascending node | 21.067° |
| Argument of perihelion | 72.287° |
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Physical characteristics
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| Dimensions | 702 km[2] |
| Mass | 3.6×1020? kg |
| Mean density | 2.0? g/cm³ |
| Equatorial surface gravity | 0.1962? m/s² |
| Escape velocity | 0.3711? km/s |
| Sidereal rotation period |
? d |
| Albedo | 0.10? |
| Temperature | ~43 K |
| Spectral type | ? |
| Absolute magnitude | 4.8 |
(24835) 1995 SM55, also written (24835) 1995 SM55, is a trans-Neptunian object (TNO) that resides in the Kuiper belt.
[edit] Discovered
It was discovered on September 19, 1995 by Nichole M. Danzl. Detected by a common pattern of IR water-ice absorption and a clustering of their orbital elements.
[edit] Origin
1995 SM55 and four other objects ((19308) 1996 TO66, (55636) 2002 TX300, (120178) 2003 OP32, and (145453) 2005 RR43) appear to be fragments sheared off parent body (136108) 2003 EL61 by a collision.
[edit] References
Brown ME, et al. Nature 446:294-296, 2007.
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