(15789) 1993 SC
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| Discovery A | |
|---|---|
| Discoverer | Iwan P. Williams, Alan Fitzsimmons, and Donal O'Ceallaigh |
| Discovery date | September 17, 1993 |
| Alternate designations B | none |
| Category | Plutino |
| Orbital elements C | |
| Eccentricity (e) | 0.185 |
| Semi-major axis (a) | 5,893.86 Gm (39.398 AU) |
| Perihelion (q) | 4,801.35 Gm (32.095 AU) |
| Aphelion (Q) | 6,986.23 Gm (46.7 AU) |
| Orbital period (P) | 90,322.7 d (247.29 a) |
| Mean orbital speed | ?s |
| Inclination (i) | 5.2 ° |
| Longitude of the ascending node (Ω) | 354.7° |
| Argument of perihelion (ω) | 316° |
| Mean anomaly (M) | 52.7° |
| Physical characteristics D | |
| Dimensions | 227-506 km |
| Mass | ? kg |
| Density | ? g/cm³ |
| Surface gravity | ? m/s² |
| Escape velocity | ? km/s |
| Rotation period | ? d |
| Spectral class | ? |
| Absolute magnitude | 6.9 |
| Albedo (geometric) | ? |
| Mean surface temperature | ? K |
(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
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| Previous minor planet | (15789) 1993 SC | Next minor planet |
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| Vulcanoids | Near-Earth asteroids | Main belt | Jupiter Trojans | Centaurs | Damocloids | Comets | Trans-Neptunians (Kuiper belt · Scattered disc · Oort cloud) |
| For other objects and regions, see: asteroid groups and families, binary asteroids, asteroid moons and the Solar system For a complete listing, see: List of asteroids. See also Pronunciation of asteroid names and Meanings of asteroid names. |
