(15789) 1993 SC
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Discovery
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| Discovered by | Iwan P. Williams, Alan Fitzsimmons, and Donal O'Ceallaigh |
| Discovery date | September 17, 1993 |
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Designations
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| MPC designation | (15789) 1993 SC |
| Alternative names | none |
| Minor planet category |
Plutino |
| Epoch (JD 20060922) | |
| Aphelion | 6,986.23 Gm (46.7 AU) |
| Perihelion | 4,801.35 Gm (32.095 AU) |
| Semi-major axis | 5,893.86 Gm (39.398 AU) |
| Eccentricity | 0.185 |
| Orbital period | 90,322.7 d (247.29 a) |
| Average orbital speed | ?s |
| Mean anomaly | 52.7° |
| Inclination | 5.2 ° |
| Longitude of ascending node | 354.7° |
| Argument of perihelion | 316° |
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Physical characteristics
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| Dimensions | 363 km |
| Mass | ? kg |
| Mean density | ? g/cm³ |
| Equatorial surface gravity | ? m/s² |
| Escape velocity | ? km/s |
| Sidereal rotation period |
? d |
| Albedo | ? |
| Temperature | ? K |
| Spectral type | ? |
| Absolute magnitude | 6.9 |
(15789) 1993 SC is a trans-Neptunian object of the plutino class. The discovery was made in 1993 at the La Palma Observatory with the Isaac Newton Telescope. Very little is known about the object.
[edit] External links
- IAU minor planet lists
- Grundy, W. M.; Noll, K. S.; Stephens, D. C. "Diverse albedos of small trans-neptunian objects." Icarus, Volume 176, Issue 1, p. 184-191 (07/2005) Abstract
- http://www.johnstonsarchive.net/astro/tnoslist.html
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