(385185) 1993 RO


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(385185) 1993 RO is a plutino. It was the first plutino discovered after Pluto itself, with 1993 RP and (15788) 1993 SB a day and two days later, respectively. The discovery was made in 1993 at the Mauna Kea Observatory 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.[2]

(385185) 1993 RO
Discovery
Discovered byDavid C. Jewitt
Jane Luu
Discovery date14 September 1993
Designations
1993 RO
Plutino (TNO)
Orbital characteristics[1]
Epoch 13 January 2016 (JD 2457400.5)
Uncertainty parameter 4
Observation arc6997 days (19.16 yr)
Earliest precovery date10 August 1994
Aphelion46.776 AU (6.9976 Tm)
Perihelion31.492 AU (4.7111 Tm)
39.134 AU (5.8544 Tm)
Eccentricity0.19528
244.81 yr (89418.1 d)
26.984°
0.0040260°/day
Inclination3.7196°
170.4038°
188.41°
Earth MOID30.4867 AU (4.56075 Tm)
Jupiter MOID26.5264 AU (3.96829 Tm)
Physical characteristics
Dimensions~92 km[2]
0.09 (assumed)
8.4

KBO's found in 1993 include: (15788) 1993 SB, (15789) 1993 SC, (181708) 1993 FW, and (385185) 1993 RO.

See also

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References

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  1. ^ "JPL Small-Body Database Browser: 385185 (1993 RO)". 2009-11-06. Retrieved 2014-03-18.
  2. ^ a b "List of known trans-Neptunian objects". Johnstonsarchive.net. Retrieved 2013-10-29.

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