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) | |
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, Bienor is currently 15.8 AU from the Sun[3] and will reach perihelion in January 2028.[2]
See also
References
- 1 2 Stansberry, Grundy, Brown, Spencer, Trilling, Cruikshank, Luc Margot Physical Properties of Kuiper Belt and Centaur Objects: Constraints from Spitzer Space Telescope (2007) Preprint arXiv
- 1 2 3 4 "JPL Small-Body Database Browser: 54598 Bienor (2000 QC243)" (2011-10-19 last obs). Jet Propulsion Laboratory. Retrieved 2012-01-16.
- 1 2 "AstDyS (54598) Bienor Ephemerides". Department of Mathematics, University of Pisa, Italy. Retrieved 2012-01-16.
External links
- Orbital simulation from JPL (Java) / Ephemeris
- 54598 Bienor at the JPL Small-Body Database
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