Jupiter LVI

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Jupiter LVI
Discovered by Scott S. Sheppard
Discovery date 27 September 2011
Orbital characteristics
Mean orbit radius
23 400 981 km[1]
Eccentricity 0.3321
731.32 days
Inclination 148.77°
Physical characteristics
Mean radius
≈ 2 km

Jupiter LVI, originally known as S/2011 J 2, is a natural satellite of Jupiter. It was discovered by Scott Sheppard in 2011.[2][3] Images of the newly discovered moon were captured using the Magellan-Baade telescope at the Las Campanas Observatory in Chile. It is an irregular moon with a retrograde orbit. The discovery of Jupiter LVI brought the Jovian satellite count to 67.[4] It is one of the outer retrograde swarm of objects orbiting Jupiter and belongs to the Pasiphae group.[5]

The moon was lost following its discovery in 2011.[6][7][8][9] It was recovered in 2017 and given its permanent designation that year.[10]


  1. ^ MPEC 2017-L10 : S/2011 J 2 2017 Jun. 2 (recovery and ephemeris)
  2. ^ MPEC 2012-B97 : S/2011 J 1 AND S/2011 J 2 2012 Jan. 29 (discovery)
  3. ^ Jupiter's Known Satellites
  4. ^ "New Moons of Jupiter — Astronoo". www.astronoo.com. Retrieved 2016-04-28.
  5. ^ "Two New Moons Found Orbiting Jupiter". news.nationalgeographic.com. 2012-02-03. Retrieved 2016-04-28.
  6. ^ Beatty, Kelly (4 April 2012). "Outer-Planet Moons Found — and Lost". www.skyandtelescope.com. Sky & Telescope. Retrieved 27 June 2017.
  7. ^ Brozović, Marina; Jacobson, Robert A. (9 March 2017). "The Orbits of Jupiter's Irregular Satellites". The Astronomical Journal. 153 (4). Bibcode:2017AJ....153..147B. doi:10.3847/1538-3881/aa5e4d.
  8. ^ Jacobson, B.; Brozović, M.; Gladman, B.; Alexandersen, M.; Nicholson, P. D.; Veillet, C. (28 September 2012). "Irregular Satellites of the Outer Planets: Orbital Uncertainties and Astrometric Recoveries in 2009–2011". The Astronomical Journal. 144 (5). Bibcode:2012AJ....144..132J. doi:10.1088/0004-6256/144/5/132. Retrieved 27 June 2017.
  9. ^ Sheppard, Scott S. (2017). "New Moons of Jupiter Announced in 2017". home.dtm.ciw.edu. Retrieved 27 June 2017. We likely have all of the lost moons in our new observations from 2017, but to link them back to the remaining lost 2003 objects requires more observations a year later to confirm the linkages, which will not happen until early 2018. ... There are likely a few more new moons as well in our 2017 observations, but we need to reobserve them in 2018 to determine which of the discoveries are new and which are lost 2003 moons.
  10. ^ Sheppard, Scott S. (2017). "Jupiter's Known Satellites". home.dtm.ciw.edu. Retrieved 10 August 2017.
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