54598 Bienor

54598 Bienor /baɪˈiːnɔːr/ 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 2020^[update], Bienor is 14.2 AU from the Sun^[7] and will reach perihelion in January 2028.^[2] It measured approximately 198 kilometers (120 miles) in diameter.^[4]

References

^ Noah Webster (1884) A Practical Dictionary of the English Language
^ ^a ^b ^c ^d ^e ^f "JPL Small-Body Database Browser: 54598 Bienor (2000 QC243)" (2020-11-11 last obs). Jet Propulsion Laboratory. Retrieved 20 December 2020.
^ ^a ^b Bauer, J. M.; Grav, T.; Blauvelt, E.; Mainzer, A. K. (August 2013). "Centaurs and Scattered Disk Objects in the Thermal Infrared: Analysis of WISE/NEOWISE Observations". The Astrophysical Journal. 773 (1): 11. arXiv:1306.1862. Bibcode:2013ApJ...773...22B. doi:10.1088/0004-637X/773/1/22. S2CID 51139703.
^ ^a ^b ^c Johnston, Wm. Robert (18 August 2020). "List of Known Trans-Neptunian Objects". Johnston's Archive. Retrieved 12 August 2021.
^ ^a ^b Stansberry, J.; Grundy, W.; Brown, M.; et al. (2008). "Physical Properties of Kuiper Belt and Centaur Objects: Constraints from Spitzer Space Telescope". In Barucci, M. Antonietta (ed.). The Solar System Beyond Neptune. arXiv:astro-ph/0702538.
^ ^a ^b Hainaut, O. R.; Boehnhardt, H.; Protopapa, S. (October 2012). "Colours of minor bodies in the outer solar system. II. A statistical analysis revisited". Astronomy and Astrophysics. 546: 20. arXiv:1209.1896. Bibcode:2012A&A...546A.115H. doi:10.1051/0004-6361/201219566. S2CID 54776793. Retrieved 26 September 2019.
^ ^a ^b "AstDyS (54598) Bienor Ephemerides". Department of Mathematics, University of Pisa, Italy. Retrieved 20 December 2020.

External links

54598 Bienor at AstDyS-2, Asteroids—Dynamic Site
- Ephemeris · Observation prediction · Orbital info · Proper elements · Observational info
54598 Bienor at the JPL Small-Body Database
- Close approach · Discovery · Ephemeris · Orbit diagram · Orbital elements · Physical parameters
1953 precovery image by the Palomar Observatory Sky Survey (Bienor is the object at the centre).

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54598 Bienor

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