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(303775) 2005 QU182, also written as (303775) 2005 QU182, is a trans-Neptunian object with a bright absolute magnitude of ca. 3.6.[4]

(303775) 2005 QU182
Discovery[1]
Discovered by
Discovery date30 August 2005
Designations
MPC designation
2005 QU182
Minor planet category
TNO (SDO)[2][3]
Orbital characteristics[4]
Epoch 13 January 2016 (JD 2457400.5)
Uncertainty parameter 2
Observation arc13642 days (37.35 yr)
Aphelion184.19 AU (27.554 Tm) (Q)
Perihelion36.827 AU (5.5092 Tm) (q)
Semi-major axis
110.51 AU (16.532 Tm) (a)
Eccentricity0.66675 (e)
Orbital period (sidereal)
1161.74 yr (424325.7 d)
Mean anomaly
13.854° (M)
Mean motion
0° 0m 3.054s / day (n)
Inclination14.032° (i)
Longitude of ascending node
78.395° (Ω)
Argument of perihelion
223.69° (ω)
Earth MOID35.8244 AU (5.35925 Tm)
Jupiter MOID31.769 AU (4.7526 Tm)
TJupiter6.711
Physical characteristics
Dimensions416±73 km[5]
Synodic rotation period
9.61 h (0.400 d)
Sidereal rotation period
9.61 hr[4]
Geometric albedo
0.328+0.160
−0.109[5]
Apparent magnitude
20.9[6]
Absolute magnitude (H)
3.80±0.32,[5] 3.6[4]

    Distance


    It came to perihelion in 1971[4] and is currently 51.8 AU from the Sun.[6] In April 2013, it moved beyond 50 AU from the Sun.

    It has been observed 81 times over 10 oppositions with precovery images back to 1974.[4]

    2005 QU182 takes over 1,200 years to orbit the Sun. Among large TNOs, only Sedna, 2012 VP113, 2013 FS28 and (445473) 2010 VZ98 have a longer orbit around the Sun.[7]
    2005 QU182 takes over 1,200 years to orbit the Sun. Among large TNOs, only Sedna, 2012 VP113, 2013 FS28 and (445473) 2010 VZ98 have a longer orbit around the Sun.[7]

    See also



    References


    1. "MPEC 2007-R03 : 2004 PF115, 2004 PG115, 2004 XA192, 2005 QU182". IAU Minor Planet Center. 1 September 2007. Retrieved 26 August 2009.
    2. "List Of Centaurs and Scattered-Disk Objects". Minor Planet Center. Retrieved 22 January 2009.
    3. Marc W. Buie (24 October 2008). "Orbit Fit and Astrometric record for 05QU182". SwRI (Space Science Department). Retrieved 9 December 2008.
    4. "JPL Small-Body Database Browser: (2005 QU182)" (last observation: 2009-09-18). Retrieved 7 April 2016.
    5. Santos-Sanz, P.; Lellouch, E.; Fornasier, S.; Kiss, C.; Pal, A.; Müller, T. G.; Vilenius, E.; Stansberry, J.; Mommert, M.; Delsanti, A.; Mueller, M.; Peixinho, N.; Henry, F.; Ortiz, J. L.; Thirouin, A.; Protopapa, S.; Duffard, R.; Szalai, N.; Lim, T.; Ejeta, C.; Hartogh, P.; Harris, A. W.; Rengel, M. (2012). ""TNOs are Cool": A survey of the trans-Neptunian region IV. Size/albedo characterization of 15 scattered disk and detached objects observed with Herschel-PACS". Astronomy & Astrophysics. 541: A92. arXiv:1202.1481. Bibcode:2012A&A...541A..92S. doi:10.1051/0004-6361/201118541. S2CID 118600525.
    6. "AstDys 2005QU182 Ephemerides". Department of Mathematics, University of Pisa, Italy. Archived from the original on 26 May 2011. Retrieved 16 March 2009.
    7. "JPL Small-Body Database Search Engine: H < 6 (mag) and a > 80 (AU)". JPL Solar System Dynamics. Retrieved 14 June 2014.



    На других языках

    [de] (303775) 2005 QU182

    (303775) 2005 QU182 ist ein großes transneptunisches Objekt, das bahndynamisch als Scattered Disk Object (SDO) eingestuft wird. Aufgrund seiner Größe ist der Asteroid ein Zwergplanetenkandidat.
    - [en] (303775) 2005 QU182

    [ru] (303775) 2005 QU182

    (303775) 2005 QU182 — крупный объект рассеянного диска[3][4].


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