Neha Patil (Editor)

(15788) 1993 SB

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Discovery date  16 September 1993
Minor planet category  Plutino
Aphelion  51.860 AU (7.7581 Tm)
Absolute magnitude  7.9
Minor planet category  Plutino
Alternative names  none
Observation arc  5182 days (14.19 yr)
Discovered  16 September 1993
Orbits  Sun
(15788) 1993 SB httpsuploadwikimediaorgwikipediacommonsee

Discovered by  Iwan P. Williams, Alan Fitzsimmons, and Donal O'Ceallaigh La Palma (950)
Discovery site  Roque de los Muchachos Observatory
Discoverers  Alan Fitzsimmons, Iwan P. Williams
Similar  38083 Rhadamanthus, 53311 Deucalion, (15810) 1994 JR1, S/2000 (1998 WW31) 1, (119951) 2002 KX14

(15788) 1993 SB is a trans-Neptunian object of the plutino class. Apart from Pluto, it was one of the first such objects discovered (beaten by two days by (385185) 1993 RO and by one day by 1993 RP), and the first to have an orbit calculated well enough to receive a number. The discovery was made in 1993 at the La Palma Observatory with the Isaac Newton Telescope. Very little is known about the object. Even the diameter estimate of ~130 km is based on an assumed albedo of 0.09.


(15788) 1993 SB Wikipedia