(15789) 1993 SC

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(15789) 1993 SC
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

(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.

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