(248835) 2006 SX368

Last updated

(248835) 2006 SX368
Discovery [1]
Discovered by A. C. Becker
A. W. Puckett
J. Kubica
Discovery site Apache Point Obs.
Discovery date16 September 2006
Designations
(248835) 2006 SX368
2006 SX368
centaur [1] [2]  · distant [3]
Orbital characteristics [1]
Epoch 4 September 2017 (JD 2458000.5)
Uncertainty parameter 3 [1]  ·1 [3]
Observation arc 5.91 yr (2,160 days)
Aphelion 32.049 AU
Perihelion 11.945 AU
21.997 AU
Eccentricity 0.4570
103.17 yr (37,683 d)
25.503°
0° 0m 34.56s / day
Inclination 36.325°
280.00°
70.489°
TJupiter 3.183
Physical characteristics
Mean diameter
76  km [2] [4]
78.44±22.63 km [5]
0.046±0.018 [5]
0.052 [2] [4]
BR [2]
B–R = 1.27 [2]
9.5 [1]

    (248835) 2006 SX368 (provisional designation 2006 SX368) is a centaur, approximately 75 kilometers (47 miles) in diameter, orbiting in the outer Solar System between Saturn and Neptune. It was discovered on 16 September 2006, by American astronomers Andrew Becker, Andrew Puckett, and Jeremy Kubica at Apache Point Observatory in Sunspot, New Mexico. [3]

    Contents

    Orbit and classification

    Centaurs are dynamically unstable due to strong interactions with the giant planets. The orbit of 2006 SX368 is unusually eccentric — near its perihelion, it comes under the influence of Uranus, while at the aphelion it travels slightly beyond the orbit of Neptune. [4]

    It orbits the Sun at a distance of 11.9–32.0  AU once every 103 years and 2 months (37,683 days; semi-major axis of 22.0 AU). Its orbit has an eccentricity of 0.46 and an inclination of 36° with respect to the ecliptic. [1] The body's observation arc begins with its official discovery observation at Apache Point in September 2006. [3]

    Physical characteristics

    In 2010, thermal flux from 2006 SX368 in the far-infrared was measured by the Herschel Space Telescope. As a result, its equivalent size was estimated to lie within a range from 70 kilometres (43 mi) to 80 kilometres (50 mi). [4]

    See also

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    References

    1. 1 2 3 4 5 6 "JPL Small-Body Database Browser: 248835 (2006 SX368)" (2012-08-15 last obs.). Jet Propulsion Laboratory . Retrieved 16 January 2018.
    2. 1 2 3 4 5 Johnston, Wm. Robert (15 October 2017). "List of Known Trans-Neptunian Objects". Johnston's Archive. Retrieved 16 January 2018.
    3. 1 2 3 4 "248835 (2006 SX368)". Minor Planet Center . Retrieved 16 January 2018.
    4. 1 2 3 4 Müller, T. G.; Lellouch, E.; Stansberry, J.; Kiss, C.; Santos-Sanz, P.; Vilenius, E.; et al. (July 2010). "TNOs are Cool: A survey of the trans-Neptunian region. I. Results from the Herschel science demonstration phase (SDP)". Astronomy and Astrophysics. 518: 5. arXiv: 1005.2923 . Bibcode:2010A&A...518L.146M. doi:10.1051/0004-6361/201014683. S2CID   118635387.
    5. 1 2 Bauer, James M.; Grav, Tommy; Blauvelt, Erin; Mainzer, A. K.; Masiero, Joseph R.; Stevenson, Rachel; et al. (August 2013). "Centaurs and Scattered Disk Objects in the Thermal Infrared: Analysis of WISE/NEOWISE Observations". The Astrophysical Journal. 773 (1): 11. arXiv: 1306.1862 . Bibcode:2013ApJ...773...22B. doi:10.1088/0004-637X/773/1/22. S2CID   51139703.