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(9955) 1991 PU11

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(9955) 1991 PU11
Orbit of (9955) 1991 PU11 (blue), planets (red) and the Sun (black). The outermost planet visible if Jupiter.
Discovery
Discovered byH. E. Holt
Discovery date7 August 1991
Designations
(9955) 1991 PU11
1967 RG1, 1974 SE3, 1998 SP121
Orbital characteristics[1]
Epoch 13 January 2016 (JD 2457400.5)
Uncertainty parameter 0
Observation arc17684 days (48.42 yr)
Aphelion2.6811585 AU (401.09560 Gm)
Perihelion1.8657779 AU (279.11640 Gm)
2.2734682 AU (340.10600 Gm)
Eccentricity0.1793253
3.43 yr (1252.1 d)
21.011628°
0° 17m 15.078s / day
Inclination4.988404°
343.09205°
24.252680°
Earth MOID0.86365 AU (129.200 Gm)
Jupiter MOID2.7764 AU (415.34 Gm)
Physical characteristics
Dimensions~37.1 km[2]
~0.01
Surface temp. min mean max
Kelvin
Celsius
14.0


(9955) 1991 PU11 is a main belt asteroid. It orbits the Sun once every 3.43 years.[1]

Discovered on August 7, 1991, by H. E. Holt, it was given the provisional designation "1991 PU11".[3]

References

  1. ^ a b "JPL Small-Body Database Browser: 9955 (1991 PU11)". NASA/Jet Propulsion Laboratory. Retrieved 5 April 2016.
  2. ^ Tedesco E.F.; Noah P.V.; Noah M.; Price S.D. "The supplemental IRAS minor planet survey (SIMPS)".
  3. ^ MPO 62179 Minor Planet Center