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S/2006 S 1

From Wikipedia, the free encyclopedia
S/2006 S 1
Discovery [1]
Discovered byScott S. Sheppard
David C. Jewitt
Jan T. Kleyna
Discovery date6 March 2006
Orbital characteristics [2]
Epoch 31 May 2020 (JD 2459000.5)
Observation arc2.13 yr (776 d)
Earliest precovery date5 January 2005
0.1246859 AU (18.65275 Gm)
Eccentricity0.0814088
−2.604 yr (−951.1 d)
351.30293°
0° 22m 42.627s / day
Inclination154.62928° (to the ecliptic)
351.18965°
176.02188°
Satellite ofSaturn
GroupNorse group
Physical characteristics
≈5 km[3]
≈3 km[4]
Albedo0.04 (assumed)[4]
24.5[3]
15.6[2]

S/2006 S 1 is a natural satellite of Saturn. Its discovery was announced by Scott S. Sheppard, David C. Jewitt, Jan Kleyna, and Brian G. Marsden on June 26, 2006 from observations taken between January 4 and April 30, 2006. S/2006 S 1 is about 6 kilometres in diameter, and orbits Saturn at an average distance of 18.65 Gm in 951.1 days, at an inclination of 154.6° to the ecliptic (178.9° to Saturn's equator), in a retrograde direction and with an eccentricity of 0.0814.[1]

The moon was once considered lost in 2006 as it was not seen since its discovery.[5][6] The moon was later recovered and announced in October 2019.[7][3]

References

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  1. ^ a b "MPEC 2019-W125 : S/2006 S 1". Minor Planet Electronic Circular. Minor Planet Center. 25 November 2019.
  2. ^ a b "M.P.C. 118845" (PDF). Minor Planet Circular. Minor Planet Center. 12 December 2019.
  3. ^ a b c Sheppard, Scott. "Scott S. Sheppard - Saturn Moons". Department of Terrestrial Magnetism. Carnegie Institution for Science. Retrieved 7 October 2019.
  4. ^ a b "In Depth – S/2006 S1". Solar System Exploration. NASA. 19 December 2019. Retrieved 7 October 2019.
  5. ^ Beatty, Kelly (4 April 2012). "Outer-Planet Moons Found — and Lost". www.skyandtelescope.com. Sky & Telescope. Retrieved 27 June 2017.
  6. ^ 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): 132. Bibcode:2012AJ....144..132J. doi:10.1088/0004-6256/144/5/132. S2CID 123117568.
  7. ^ "Saturn Surpasses Jupiter After The Discovery Of 20 New Moons And You Can Help Name Them!". Carnegie Science. October 7, 2019.
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