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(303775) 2005 Qu182

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(303775) 2005 Qu182

2005 QU182
Discovered by M. E. Brown
D. L. Rabinowitz
C. A. Trujillo
Discovery date August 30, 2005
MPC designation 2005 QU182
Minor planet category TNO (SDO)[2][3]
Orbital characteristics[4]
Epoch February 8, 2011
Aphelion 190.75 AU (Q)
Perihelion 37.01 AU (q)
Semi-major axis 113.88 AU (a)
Eccentricity 0.675
Orbital period 1215.26 yr
Mean anomaly 11.65° (M)
Inclination 14.02°
Longitude of ascending node 78.45°
Argument of perihelion 224.46°
Physical characteristics
Dimensions 416±73 km[5]
Albedo 0.328+0.160
Apparent magnitude 20.6[6]
Absolute magnitude (H) 3.7[4]

2005 QU182, also written as 2005 QU182, is a trans-Neptunian object with a bright absolute magnitude of 3.7.[4] As of August 2011, Mike Brown lists it as highly likely a dwarf planet.[7]


It came to perihelion in 1971,[4] and is currently 49 AU from the Sun.[6]

It has been observed 49 times over 8 oppositions with precovery images back to 1974.[4]


External links

  • Horizons Ephemeris
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