(385185) 1993 RO is a

plutino In astronomy, the plutinos are a dynamical group of trans-Neptunian objects that orbit in 2:3 mean-motion resonance with Neptune. This means that for every two orbits a plutino makes, Neptune orbits three times. The dwarf planet Pluto is the l ...

. It was the first plutino discovered after

Pluto Pluto (minor-planet designation: 134340 Pluto) is a dwarf planet in the Kuiper belt, a ring of bodies beyond the orbit of Neptune. It is the ninth-largest and tenth-most-massive known object to directly orbit the Sun. It is the largest ...

itself, with

1993 RP 1993 RP might be a trans-Neptunian object, perhaps in diameter, from the Kuiper belt in the outermost Solar System. However, the object has only a 2-day observation arc, making the data insufficient to provide virtually any idea of its true orbi ...

and (15788) 1993 SB a day and two days later, respectively. The discovery was made in 1993 at the

Mauna Kea Observatory The Mauna Kea Observatories (MKO) are a group of independent astronomical research facilities and large telescope observatories that are located at the summit of Mauna Kea on the Big Island of Hawaiʻi, United States. The facilities are locate ...

with a 2.2-meter telescope. Very little is known about (385185) 1993 RO. Even the diameter estimate of ~90 km is based on the assumed albedo of 0.09. KBO's found in 1993 include: (15788) 1993 SB,

(15789) 1993 SC (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. It was the second plutino to receive an MPC number. KBO's found in 1993 include: (15788) ...

(181708) 1993 FW (181708) 1993 FW was the second trans-Neptunian object to be discovered after Pluto and Charon, the first having been 15760 Albion, formerly known as . It was discovered in 1993 by David C. Jewitt and Jane X. Luu at the Mauna Kea Observatory, Haw ...

, and (385185) 1993 RO.

References

External links

IAUC 5865: 1993 RO

* 385185 Discoveries by David C. Jewitt Discoveries by Jane Luu 19930914 {{centaurTNO-stub

See also

References

External links