(181708) 1993 FW

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(181708) 1993 FW
Discovery
Discovered by David C. Jewitt,
Jane X. Luu
Discovery date 28 March 1993
Designations
Trans-Neptunian object
(cubewano)[1]
Orbital characteristics[2]
Epoch 13 January 2016 (JD 2457400.5)[2]
Uncertainty parameter 3
Observation arc 5456 days (14.94 yr)
Aphelion 46.293 AU (6.9253 Tm)
Perihelion 41.642 AU (6.2296 Tm)
43.967 AU (6.5774 Tm)
Eccentricity 0.052899
291.54 yr (106487 d)
4.489 km/s
351.305°
0° 0m 12.171s / day
Inclination 7.7336°
187.837°
40.180°
Jupiter MOID 36.2333 AU (5.42042 Tm)
Physical characteristics
Dimensions

175 km[3]

241 km[4]
7.0

(181708) 1993 FW was the second trans-Neptunian object to be discovered after Pluto and Charon, the first having been (15760) 1992 QB1. It was discovered in 1993 by David C. Jewitt and Jane X. Luu at the Mauna Kea Observatory, Hawaii.[5] Following its discovery it was nicknamed 'Karla' by its discoverers.[6] Mike Brown lists it as possibly a dwarf planet on his website.[4]

See also[edit]

References[edit]

  1. ^ Marc W. Buie. "Orbit Fit and Astrometric record for 181708". SwRI (Space Science Department). Retrieved 2018-02-18. 
  2. ^ a b "JPL Small-Body Database Browser". Jet Propulsion Laboratory. Retrieved 7 April 2016. 
  3. ^ "List of Known Trans-Neptunian Objects". Wm. Robert Johnston. Archived from the original on 2015-01-08. Retrieved 2015-01-03. 
  4. ^ a b "How many dwarf planets are there in the outer solar system?". Mike Brown. Retrieved 2015-01-03. 
  5. ^ BS Marsden; Jewitt, D.; Marsden, B. G. (1993). "1993 FW". IAU Circ. Minor Planet Center. 5730: 1. Bibcode:1993IAUC.5730....1L. 
  6. ^ "Space body given name of Le Carre character: Astronomers discover planetesimal Karla". The Independent. April 20, 1993. 

External links[edit]