54598 Bienor
From Infogalactic: the planetary knowledge core
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) | |
Average orbital speed
|
7.26 km/s |
243.354° | |
Inclination | 20.762° |
337.834° | |
153.272° | |
Physical characteristics | |
Dimensions | 207±30 km[1] |
Sidereal rotation period
|
9.14 h[2] |
Albedo | 0.03–0.05 [1] |
Temperature | ~ 69 K |
~ 20.1 [3] | |
7.6 [2] | |
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54598 Bienor (/bᵻ.ˈiːnɔːr/ 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[update], Bienor is currently 15.8 AU from the Sun[3] and will reach perihelion in January 2028.[2]
See also
References
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External links
- Orbital simulation from JPL (Java) / Ephemeris
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- ↑ 1.0 1.1 Stansberry, Grundy, Brown, Spencer, Trilling, Cruikshank, Luc Margot Physical Properties of Kuiper Belt and Centaur Objects: Constraints from Spitzer Space Telescope (2007) Preprint arXiv
- ↑ 2.0 2.1 2.2 2.3 Lua error in package.lua at line 80: module 'strict' not found.
- ↑ 3.0 3.1 Lua error in package.lua at line 80: module 'strict' not found.