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1 References  





2 External links  














Laomedeia






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Laomedeia
Laomedeia imaged by the Very Large Telescope's FORS1 imager in September 2002
Discovery[1][2]
Discovered by
  • JJ Kavelaars
  • T. Grav
  • W. Fraser
  • D. Milisavljevic
  • Discovery dateAugust 13, 2002
    Designations

    Designation

    Neptune XII
    Pronunciation/ˌləməˈdə/

    Named after

    Λαομέδεια Lāomedeia

    Alternative names

    S/2002 N 3
    AdjectivesLaomedeian[3]
    Orbital characteristics[4]
    Epoch 2003 Jun. 10.00 TT

    Semi-major axis

    23,613,000 km
    Eccentricity0.3969

    Orbital period (sidereal)

    3171.33 days
    (8.68 yr)
    Inclination37.874°
    Satellite ofNeptune
    GroupSao group
    Physical characteristics

    Mean diameter

    42 km (for albedo 0.04)[5]
    Albedo0.04 (assumed)[5]

    Laomedeia /ˌləməˈdə/, also known as Neptune XII, is a prograde irregular satelliteofNeptune. It was discovered by Matthew J. Holman, et al. on August 13, 2002.[6] Before the announcement of its name on February 3, 2007 (IAUC 8802), it was known as S/2002 N 3.

    It orbits Neptune at a distance of about 23,571,000 km and is about 42 kilometers in diameter (assuming albedo of 0.04).[5] It is named after Laomedeia, one of the 50 Nereids.

    References[edit]

    1. ^ JPL (2011-07-21). "Planetary Satellite Discovery Circumstances". Jet Propulsion Laboratory. Retrieved 2011-10-24.
  • ^ Green, Daniel W. E. (January 13, 2003). "Satellites of Neptune". IAU Circular. 8047. Retrieved 2011-10-24.
  • ^ "Laomedian" in Otley (1828) Essays on the nature, causes and effects of national antipathies
  • ^ Jacobson, R. A. (2008). "NEP078 – JPL satellite ephemeris". Planetary Satellite Mean Orbital Parameters. Retrieved 2009-09-23.
  • ^ a b c Sheppard, Scott S.; Jewitt, David C.; Kleyna, Jan (2006). "A Survey for "Normal" Irregular Satellites around Neptune: Limits to Completeness". The Astronomical Journal. 132 (1): 171–176. arXiv:astro-ph/0604552. Bibcode:2006AJ....132..171S. doi:10.1086/504799. S2CID 154011.
  • ^ Holman, M. J.; Kavelaars, J. J.; Grav, T.; et al. (2004). "Discovery of five irregular moons of Neptune" (PDF). Nature. 430 (7002): 865–867. Bibcode:2004Natur.430..865H. doi:10.1038/nature02832. PMID 15318214. S2CID 4412380. Retrieved 24 October 2011.
  • External links[edit]


    Retrieved from "https://en.wikipedia.org/w/index.php?title=Laomedeia&oldid=1231684744"

    Categories: 
    Sao group
    Moons of Neptune
    Irregular satellites
    Discoveries by Matthew J. Holman
    Discoveries by Tommy Grav
    Astronomical objects discovered in 2002
    Moons with a prograde orbit
    Hidden categories: 
    Articles with short description
    Short description matches Wikidata
     



    This page was last edited on 29 June 2024, at 17:36 (UTC).

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