S/2007 S 3 Explained

S/2007 S 3
Discoverer:Scott S. Sheppard et al.
Discovery Site:Mauna Kea Obs.
Discovered:16 January 2007
Epoch:9 August 2022 (JD 2459800.5)
Observation Arc:14.48 yr (5,287 days)
Eccentricity:0.1428233
Period:–2.77 yr (–1011.10 d)
Mean Anomaly:270.66716°
Mean Motion: / day
Inclination:176.62877°
Asc Node:127.32559°
Arg Peri:18.70983°
Satellite Of:Saturn
Group:Norse group
Mean Diameter:
Albedo:0.04
Magnitude:24.9
Abs Magnitude:15.7

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.

This moon was considered lost[1] until its recovery was announced on 12 October 2022.

References

Notes and References

  1. Jacobson . B. . Brozović . M. . B. . Gladman . M. . Alexandersen . P. D. . Nicholson . C. . Veillet . 28 September 2012 . Irregular Satellites of the Outer Planets: Orbital Uncertainties and Astrometric Recoveries in 2009–2011 . The Astronomical Journal . 144 . 5 . 132 . 10.1088/0004-6256/144/5/132 . 2012AJ....144..132J . 123117568 . free .