(307616) 2003 QW90

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(307616) 2003 QW90
Discovery
Discovered by Marc W. Buie[1]
Discovery date 23 August 2003
Designations
none
TNO
Orbital characteristics[2]
Epoch 13 January 2016 (JD 2457400.5)
Uncertainty parameter 3
Observation arc 2945 days (8.06 yr)
Aphelion 46.988 AU (7.0293 Tm)
Perihelion 40.234 AU (6.0189 Tm)
43.611 AU (6.5241 Tm)
Eccentricity 0.077434
288.01 yr (105195 d)
4.50 km/s
275.158°
0° 0m 12.32s / day
Inclination 10.385°
17.757°
89.888°
Earth MOID 39.2673 AU (5.87430 Tm)
Jupiter MOID 35.1022 AU (5.25121 Tm)
Jupiter Tisserand parameter 5.797
Physical characteristics
Dimensions 366 km (assumed)[3]
Temperature ≈42 K
5.4[2]

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

References[edit]

  1. ^ "List Of Transneptunian Objects". Retrieved 2015-08-26. 
  2. ^ a b Alan Chamberlin. "JPL Small-Body Database Browser". Ssd.jpl.nasa.gov. Retrieved 7 April 2016. 
  3. ^ "List of known trans-Neptunian objects". Retrieved 2009-03-24. 
  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. 

External links[edit]