284 Amalia
Main-belt asteroid
284 Amalia is a large main belt asteroid.[2] It was discovered by Auguste Charlois on 29 May 1889 in Nice. This is classified as a Ch-type asteroid in the Bus taxonomy[3] and CX in the Tholen system.[4] It has been observed occulting stars on five occasions as of 2018, which provide a diameter estimate of 54±3 km via a fitted ellipse plot.[5]
References
- ^ "284 Amalia". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 11 May 2016.
- ^ "284 Amalia". Asteroid Occultation. Archived from the original on 4 March 2016. Retrieved 6 April 2015.
- ^ Gil-Hutton, R.; Cañada-Assandri, M. (March 2012), "Polarimetric survey of main-belt asteroids. II. Results for 58 B- and C-type objects", Astronomy & Astrophysics, 539: 4, Bibcode:2012A&A...539A.115G, doi:10.1051/0004-6361/201117237, A115.
- ^ Clark, B. E.; et al. (December 2004), "Spectroscopy of X-Type Asteroids", The Astronomical Journal, 128 (6): 3070–3081, Bibcode:2004AJ....128.3070C, doi:10.1086/424856, S2CID 450504.
- ^ Broughton, John (30 April 2018), "Asteroid Dimensions from Occultations", Worldwide Asteroidal Occultation Observations and Resources, retrieved 10 September 2021.
External links
- 284 Amalia at AstDyS-2, Asteroids—Dynamic Site
- Ephemeris · Observation prediction · Orbital info · Proper elements · Observational info
- 284 Amalia at the JPL Small-Body Database
- Close approach · Discovery · Ephemeris · Orbit diagram · Orbital elements · Physical parameters
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- 283 Emma
- 284 Amalia
- 285 Regina
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