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(307616) 2003 Qw90

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(307616) 2003 Qw90

(307616) 2003 QW90
Discovered by Marc W. Buie[1]
Discovery date August 23, 2003
Minor planet category TNO
Orbital characteristics
Epoch December 31, 2006 (JD 2454100.5)
Aphelion 47.031 AU (7035.806 Gm)
Perihelion 40.331 AU (6033.495 Gm)
43.681 AU (6534.651 Gm)
Eccentricity 0.077
288.70 a (105,449.338 d)
Average orbital speed
4.50 km/s
Inclination 10.379°
Physical characteristics
Dimensions 366 km (assumed)[2]
Temperature ≈42 K

(307616) 2003 QW90 is a classical Kuiper belt object that was discovered on August 23, 2003, by Marc W. Buie. In 2008, it's diameter was listed as 440 kilometres (270 mi).[4]


  1. ^ List Of Transneptunian Objects
  2. ^ "List of known trans-Neptunian objects". Retrieved 2009-03-24. 
  3. ^ Alan Chamberlin. "JPL Small-Body Database Browser". Retrieved 2014-06-25. 
  4. ^ Wm. Robert Johnston (22 August 2008). "List of Known Trans-Neptunian Objects". Johnston's Archive. Archived from the original on 2009-04-18. Retrieved 2008-12-09. 
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