393 Lampetia
Main-belt asteroid
393 Lampetia is a fairly large main belt asteroid that was discovered by German astronomer Max Wolf on 4 November 1894 in Heidelberg. It has an unusually low rotation rate, with a period estimated at 38.7 hours and a brightness variation of 0.14 in magnitude.[4]
In 2000, the asteroid was detected by radar from the Arecibo Observatory at a distance of 0.98 AU. The resulting data yielded an effective diameter of 125 ± 20 km.[5]
It comes to opposition at apparent magnitude 10.5 on 6 July 2023[6] and then perihelion on 15 August 2023.[3]
References
- ^ James Knowles (1851) A Critical Pronouncing Dictionary of the English Language
- ^ Joseph Thomas (1908) Universal Pronouncing Dictionary of Biography and Mythology
- ^ a b c "393 Lampetia", JPL Small-Body Database Browser, NASA Jet Propulsion Laboratory, retrieved 10 May 2016.
- ^ a b Scaltriti, F.; Zappala, V.; Schober, H. J. (January 1979), "The rotations of 128 Nemesis and 393 Lampetia - The longest known periods to date", Icarus, vol. 37, pp. 133–141, Bibcode:1979Icar...37..133S, doi:10.1016/0019-1035(79)90121-0.
- ^ Magri, Christopher; et al. (January 2007), "A radar survey of main-belt asteroids: Arecibo observations of 55 objects during 1999 2003" (PDF), Icarus, 186 (1): 126–151, Bibcode:2007Icar..186..126M, doi:10.1016/j.icarus.2006.08.018, retrieved 14 April 2015.
- ^ JPL Horizons (Opposition)
External links
- 393 Lampetia at AstDyS-2, Asteroids—Dynamic Site
- Ephemeris · Observation prediction · Orbital info · Proper elements · Observational info
- 393 Lampetia at the JPL Small-Body Database
- Close approach · Discovery · Ephemeris · Orbit diagram · Orbital elements · Physical parameters
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- 392 Wilhelmina
- 393 Lampetia
- 394 Arduina
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