(468861) 2013 LU28

2013 LU28
DiscoveryMPO 456284
Discovered by Mount Lemmon
Discovery site Mount Lemmon Survey
(first observed only)
Discovery date 08 June 2013
Designations
MPC designation (468861) 2013 LU28
TNO [1] · Centaur [2][3][4]
Orbital characteristics [1]
Epoch 23 March 2018 (JD 2458200.5)
Uncertainty parameter 0
Observation arc 5.10 yr (1,862 d)
Aphelion 342.117 AU
Perihelion 8.728 AU
175.422 AU
Eccentricity 0.9502
2323 yr (847,895 d)
359.03°
0° 0m 1.44s / day
Inclination 125.356°
275.99°
153.162°
Physical characteristics
Mean diameter
 106 km[2]
8.1[4][1]

    (468861) 2013 LU28 is a centaur, approximately 100 kilometers (62 miles) in diameter. It was first observed on 08 June 2013 by the Mount Lemmon Survey at the Mount Lemmon Observatory.[4][2][5]

    Orbit and classification

    (468861) 2013 LU28 orbits the Sun at a distance of 8.7–342.1 AU once every 2323 years (847,895 days; semi-major axis of 175.42 AU). Its orbit has an eccentricity of 0.95 and an retrograde inclination of 125.4° with respect to the ecliptic.[1][6]

    References

    1. 1 2 3 4 "JPL Small-Body Database Browser: (2013 LU28)" (2015-05-19 last obs.). Jet Propulsion Laboratory. Retrieved 9 October 2018.
    2. 1 2 3 Johnston, Wm. Robert (30 December 2017). "List of Known Trans-Neptunian Objects". Johnston's Archive. Retrieved 9 February 2018.
    3. ↑ "List Of Centaurs and Scattered-Disk Objects". Minor Planet Center. Retrieved 9 February 2018.
    4. 1 2 3 "2013 LU28". Minor Planet Center. Retrieved 10 October 2018.
    5. ↑ Brown, Michael E. "How many dwarf planets are there in the outer solar system?". California Institute of Technology. Retrieved 9 February 2018.
    6. ↑ C. de la Fuente Marcos; R. de la Fuente Marcos (2014). "Large retrograde Centaurs: visitors from the Oort cloud?". Astrophysics and Space Science. 352/2: 409–419. arXiv:1406.1450. doi:10.1007/s10509-014-1993-9.

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