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2006 QH181, also written as 2006 QH181, is a trans-Neptunian object (TNO) in the scattered disc.[2][3] Its orbit is currently too poorly determined (U=6)[4] to know whether it is in a resonance with Neptune.

2006 QH181
Hubble Space Telescope image of 2006 QH181 taken in 2010
Discovery
Discovered byCTIO
Discovery date21 August 2006
Designations
MPC designation
2006 QH181
Minor planet category
Orbital characteristics[4]
Epoch 13 January 2016 (JD 2457400.5)[4]
Uncertainty parameter 6
Observation arc2634 days (7.21 yr)
Aphelion96.680 AU (14.4631 Tm) (Q)
Perihelion37.789 AU (5.6532 Tm) (q)
Semi-major axis
67.235 AU (10.0582 Tm) (a)
Eccentricity0.43795 (e)
Orbital period (sidereal)
551.31 yr (201366 d)
Mean anomaly
102.28° (M)
Mean motion
0° 0m 6.436s / day (n)
Inclination19.144° (i)
Longitude of ascending node
73.840° (Ω)
Argument of perihelion
211.02° (ω)
Earth MOID36.7863 AU (5.50315 Tm)
Jupiter MOID32.6588 AU (4.88569 Tm)
Physical characteristics
Dimensions
Apparent magnitude
23.6[7]
Absolute magnitude (H)
4.3[4]

    Distance


    See also: List of Solar System objects most distant from the Sun

    It came to perihelion around 1858.[4] It is currently 83.8 AU from the Sun[7] and moving away from the Sun at 1.04 kilometers per second (2,300 miles per hour).[8] The only large objects currently farther from the Sun are Eris (96.1 AU),[9] 2014 UZ224 (90.9 AU), 2015 TH367 (~89 AU), Gonggong (88.0 AU),[10] Sedna (85.1 AU),[11] 2013 FS28 (84.8 AU), and 2014 FC69 (84.7 AU). Because it is so far from the Sun, it only has an apparent magnitude of 23.6.[7]


    Orbit


    It has been observed 15 times over only three oppositions and thus currently has a somewhat poorly known orbit. JPL ranks orbital quality from 0 to 9 (0 being best), and 2006 QH181 is currently listed with an orbit quality of 6.[4][12]


    See also



    References


    1. "MPEC 2008-O05 : Distant Minor Planets". Minor Planet Center & Tamkin Foundation Computer Network. 17 July 2008. Retrieved 29 July 2008.
    2. "List Of Centaurs and Scattered-Disk Objects". MPC. Retrieved 3 March 2007.
    3. Marc W. Buie (5 March 2008). "Orbit Fit and Astrometric record for 06QH181". SwRI (Space Science Department). Retrieved 28 February 2014.
    4. "JPL Small-Body Database Browser: (2006 QH181)" (last observation: 2013-11-06; arc: 7.21 years). Retrieved 30 March 2016.
    5. "Absolute Magnitude (H)". NASA/JPL. Archived from the original on 1 September 2008. Retrieved 29 July 2008.
    6. Wm. Robert Johnston. "List of Known Trans-Neptunian Objects". Johnston's Archive. Archived from the original on 18 February 2007. Retrieved 3 March 2007.
    7. "AstDyS 2006QH181 Ephemerides". Department of Mathematics, University of Pisa, Italy. Retrieved 6 April 2014.
    8. "Horizon Online Ephemeris System". California Institute of Technology, Jet Propulsion Laboratory. Retrieved 22 January 2009.
    9. "AstDyS (136199) Eris Ephemerides". Department of Mathematics, University of Pisa, Italy. Retrieved 31 January 2012.
    10. "AstDyS 2007OR10 Ephemerides". Department of Mathematics, University of Pisa, Italy. Retrieved 31 January 2012.
    11. "AstDyS (90377) Sedna Ephemerides". Department of Mathematics, University of Pisa, Italy. Retrieved 31 January 2012.
    12. "2006 QH181". Minor Planet Center, IAU. Retrieved 5 February 2014.



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    2006 QH181 — очень крупный транснептуновый объект, открытый 21 августа 2006 года в обсерватории Серро-Тололо.


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