54598 Bienor

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54598 Bienor
Discovery
Discovered by Marc W. Buie, S. D. Kern, R. L. Millis, L. H. Wasserman
Discovery date August 27, 2000
Designations
2000 QC243
Centaur
Orbital characteristics
Epoch June 14, 2006 (JD 2453900.5)
Aphelion 19.779 AU (2958.869 Gm)
Perihelion 13.165 AU (1969.451 Gm)
16.472 AU (2464.160 Gm)
Eccentricity 0.201
66.85 yr (24418.202 d)
7.26 km/s
243.354°
Inclination 20.762°
337.834°
153.272°
Physical characteristics
Dimensions 207±30 km[1]
9.14 h[2]
Albedo 0.03–0.05 [1]
Temperature ~ 69 K
~ 20.1 [3]
7.6 [2]

54598 Bienor (/b.ˈnɔːr/ bi-YEE-nor; from Greek: Βιάνωρ Bianor) is a centaur that grazes the orbit of Uranus. It is named after the mythological Centaur Bienor. Its closest approach to the Sun (perihelion) is 13.2 AU.[2] As of 2015, Bienor is currently 15.8 AU from the Sun[3] and will reach perihelion in January 2028.[2]


See also[edit]

References[edit]

  1. ^ a b Stansberry, Grundy, Brown, Spencer, Trilling, Cruikshank, Luc Margot Physical Properties of Kuiper Belt and Centaur Objects: Constraints from Spitzer Space Telescope (2007) Preprint arXiv
  2. ^ a b c d "JPL Small-Body Database Browser: 54598 Bienor (2000 QC243)" (2011-10-19 last obs). Jet Propulsion Laboratory. Retrieved 2012-01-16. 
  3. ^ a b "AstDyS (54598) Bienor Ephemerides". Department of Mathematics, University of Pisa, Italy. Retrieved 2012-01-16. 

External links[edit]