Back 555652002 AW Arabic 555652002 AW (كويكب) ARZ (55565) 2002 AW197 Catalan (55565) 2002 AW197 CV 2002 AW197 Danish (55565) 2002 AW197 German (55565) 2002 AW197 Greek (55565) 2002 AW197 Esperanto (55565) 2002 AW197 Spanish (55565) 2002 AW197 Finnish

(55565) 2002 AW197

(55565) 2002 AW197
Hubble Space Telescope image of 2002 AW197 taken in 2006
Discovery[1][2]
Discovered byPalomar Obs. (team)
Discovery sitePalomar Obs.
Discovery date10 January 2002
Designations
2002 AW197
TNO[3] · cubewano[4]
p-DP[5] · extended[6]
distant[1]
Orbital characteristics[3]
Epoch 31 May 2020 (JD 2459000.5)
Uncertainty parameter 3
Observation arc21.23 yr (7,756 d)
Earliest precovery date29 December 1997
Aphelion53.161 AU
Perihelion40.922 AU
47.042 AU
Eccentricity0.13009
322.65 yr (117,848 d)
294.532°
0° 0m 10.998s / day
Inclination24.451°
297.606°
≈ 5 May 2078[7]
±4 days
297.494°
Physical characteristics
768±39 km[8]
734±116 km[9]
700±50 km[10][11]
886 km[12]
8.87±0.01 h[13]
8.78±0.05 h[14]
8.86±0.01 h[15]
0.112+0.012
−0.011[8]
IR[16][17] · (moderately red)
B–V = 0.920±0.020[18]
V–R = 0.560±0.020[18]
V–I = 1.170±0.010[17]
20.0 (opposition)[19][20]
3.568±0.046 (V)[21]
3.156±0.059 (R)[22]
3.3 (assumed)[3]

(55565) 2002 AW197 (provisional designation 2002 AW197) is a classical, non-resonant trans-Neptunian object from the Kuiper belt in the outermost region of the Solar System, also known as a cubewano. With a likely diameter of at least 600 kilometers (400 miles), it is approximately tied with 2002 MS4 and 2013 FY27 (to within measurement uncertainties) as the largest unnamed object in the Solar System. It was discovered at Palomar Observatory in 2002.

Its rotation period is 8.8 hours and it is a moderately red color.[16] Tancredi notes that photometric observations suggest that it is a spheroid with a high albedo and small albedo spots.[23] However, its low albedo suggests it does not have planetary geology, as it should if it were a dwarf planet.

  1. ^ a b Cite error: The named reference MPC-object was invoked but never defined (see the help page).
  2. ^ Cite error: The named reference MPEC2002-O30 was invoked but never defined (see the help page).
  3. ^ a b c Cite error: The named reference jpldata was invoked but never defined (see the help page).
  4. ^ Cite error: The named reference MPEC 2009-R09 was invoked but never defined (see the help page).
  5. ^ Cite error: The named reference Brown-dplist was invoked but never defined (see the help page).
  6. ^ Cite error: The named reference Buie was invoked but never defined (see the help page).
  7. ^ JPL Horizons Observer Location: @sun (Perihelion occurs when deldot changes from negative to positive. Uncertainty in time of perihelion is 3-sigma.)
  8. ^ a b Cite error: The named reference Vilenius-2014 was invoked but never defined (see the help page).
  9. ^ Cite error: The named reference Stansberry-2007 was invoked but never defined (see the help page).
  10. ^ Cite error: The named reference Stansberry-2005 was invoked but never defined (see the help page).
  11. ^ Cite error: The named reference Cruikshank-2005 was invoked but never defined (see the help page).
  12. ^ Cite error: The named reference Grundy-2005 was invoked but never defined (see the help page).
  13. ^ Cite error: The named reference TNOsCool9 was invoked but never defined (see the help page).
  14. ^ Cite error: The named reference Thirouin-2010 was invoked but never defined (see the help page).
  15. ^ Cite error: The named reference Ortiz-2006 was invoked but never defined (see the help page).
  16. ^ a b Cite error: The named reference lcdb was invoked but never defined (see the help page).
  17. ^ a b Cite error: The named reference Belskaya-2015 was invoked but never defined (see the help page).
  18. ^ a b Cite error: The named reference Tegler-2016 was invoked but never defined (see the help page).
  19. ^ Cite error: The named reference AstDys was invoked but never defined (see the help page).
  20. ^ Cite error: The named reference Horizons was invoked but never defined (see the help page).
  21. ^ Cite error: The named reference TNOsCool10 was invoked but never defined (see the help page).
  22. ^ Cite error: The named reference Peixinho-2012 was invoked but never defined (see the help page).
  23. ^ Tancredi, G., & Favre, S. (2008) Which are the dwarfs in the Solar System?. Depto. Astronomía, Fac. Ciencias, Montevideo, Uruguay; Observatorio Astronómico Los Molinos, MEC, Uruguay. Retrieved 10-08-2011

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