(303775) 2005 QU₁₈₂

(303775) 2005 QU₁₈₂
Discovery
Discovered by	M. E. Brown; D. L. Rabinowitz; C. A. Trujillo;
Discovery date	30 August 2005
Designations
MPC designation	2005 QU182
Minor planet category	TNO (SDO)
Orbital characteristics
	Epoch 13 January 2016 (JD 2457400.5)
	Uncertainty parameter 2
Observation arc	13642 days (37.35 yr)
Aphelion	184.19 AU (27.554 Tm) (Q)
Perihelion	36.827 AU (5.5092 Tm) (q)
Semi-major axis	110.51 AU (16.532 Tm) (a)
Eccentricity	0.66675 (e)
Orbital period (sidereal)	1161.74 yr (424325.7 d)
Mean anomaly	13.854° (M)
Mean motion	0° 0m 3.054s / day (n)
Inclination	14.032° (i)
Longitude of ascending node	78.395° (Ω)
Argument of perihelion	223.69° (ω)
Earth MOID	35.8244 AU (5.35925 Tm)
Jupiter MOID	31.769 AU (4.7526 Tm)
TJupiter	6.711
Physical characteristics
Dimensions	416±73 km
Synodic rotation period	9.61 h (0.400 d)
Sidereal rotation period	9.61 hr
Geometric albedo	0.328+0.160; −0.109
Apparent magnitude	20.9
Absolute magnitude (H)	3.80±0.32, 3.6

(303775) 2005 QU₁₈₂ (provisional designation 2005 QU₁₈₂) is a trans-Neptunian object with a bright absolute magnitude of ca. 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]

^ "MPEC 2007-R03 : 2004 PF115, 2004 PG115, 2004 XA192, 2005 QU182". IAU Minor Planet Center. 1 September 2007. Retrieved 26 August 2009.
^ "List Of Centaurs and Scattered-Disk Objects". Minor Planet Center. Retrieved 22 January 2009.
^ Marc W. Buie (24 October 2008). "Orbit Fit and Astrometric record for 05QU182". SwRI (Space Science Department). Retrieved 9 December 2008.
^ ^a ^b ^c ^d ^e ^f "JPL Small-Body Database Browser: (2005 QU182)" (last observation: 2009-09-18). Retrieved 7 April 2016.
^ ^a ^b ^c 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.
^ ^a ^b "AstDys 2005QU182 Ephemerides". Department of Mathematics, University of Pisa, Italy. Archived from the original on 26 May 2011. Retrieved 16 March 2009.
^ "JPL Small-Body Database Search Engine: H < 6 (mag) and a > 80 (AU)". JPL Solar System Dynamics. Retrieved 14 June 2014.