(307616) 2003 QW90

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(307616) 2003 QW90
Discovery
Discovered by Marc W. Buie[1]
Discovery date August 23, 2003
Designations
Alternative names none
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)
Semi-major axis 43.681 AU (6534.651 Gm)
Eccentricity 0.077
Orbital period 288.70 a (105,449.338 d)
Average orbital speed 4.50 km/s
Mean anomaly 265.134°
Inclination 10.379°
Longitude of ascending node 17.733°
Argument of perihelion 88.565°
Physical characteristics
Dimensions 366 km (assumed)[2]
Temperature ≈42 K
Absolute magnitude (H) 5.2[3]

(307616) 2003 QW90 is a classical Kuiper belt object. It was discovered on August 23, 2003, by Marc W. Buie.

Diameter by 2008 was listed as 440 km.[4]

References[edit]

  1. ^ List Of Transneptunian Objects
  2. ^ "List of known trans-Neptunian objects". Retrieved 2009-03-24. 
  3. ^ http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2003QW90
  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.