(15789) 1993 SC
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| Discovery | |
|---|---|
| Discovered by |
Iwan P. Williams, Alan Fitzsimmons, and Donal O'Ceallaigh |
| Discovery date | September 17, 1993 |
| Designations | |
| MPC designation | (15789) 1993 SC |
| Alternative names | none |
| Minor planet category | Plutino |
| Orbital characteristics | |
| 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° |
| Physical characteristics | |
| 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 (H) | 6.9 |
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(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.
External links
- MPC: List of TNOs
- 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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