(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 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.^[1]

References

External links

• MPEC: recovery of the object
• list of known TNOs, including size estimates
• IAU minor planet lists
• Orbital simulation from JPL (Java) / Ephemeris

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