S/2007 S 3

S/2007 S 3
Discovery[1]
Discovered byScott S. Sheppard et al.
Discovery siteMauna Kea Obs.
Discovery date16 January 2007
Orbital characteristics[2]
Epoch 9 August 2022 (JD 2459800.5)
Observation arc14.48 yr (5,287 days)
0.1298753 AU (19,429,000 km)
Eccentricity0.1428233
–2.77 yr (–1011.10 d)
270.66716°
0° 21m 21.778s / day
Inclination176.62877° (to ecliptic)
127.32559°
18.70983°
Satellite ofSaturn
GroupNorse group
Physical characteristics
5 km[3]
Albedo0.04 (assumed)[3]
24.9[3]
15.7[2]

S/2007 S 3 is a natural satellite of Saturn. Its discovery was announced by Scott S. Sheppard, David C. Jewitt, Jan Kleyna, and Brian G. Marsden on 1 May 2007 from observations taken between 18 January and 19 April 2007.

S/2007 S 3 is about 5 kilometres in diameter, and orbits Saturn at an average distance of 19,429,000 kilometres in about 1,011 days, at an inclination of 176.6° to the ecliptic, in a retrograde direction and with an eccentricity of 0.143.[2][4]

This moon was considered lost[5] until its recovery was announced on 12 October 2022.[2]

  1. ^ Cite error: The named reference Discoverers_JPL was invoked but never defined (see the help page).
  2. ^ a b c d Cite error: The named reference MPEC-2022-T125 was invoked but never defined (see the help page).
  3. ^ a b c Cite error: The named reference SheppardMoons was invoked but never defined (see the help page).
  4. ^ Cite error: The named reference JPL was invoked but never defined (see the help page).
  5. ^ 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.