Angrboda (moon)

In this article we are going to explore in depth the topic of Angrboda (moon), a topic that has been the subject of countless research and debates over the years. Angrboda (moon) is a topic that has captured the attention of people of all ages and backgrounds, and its importance extends to a variety of fields, from science and technology to politics and culture. Through this article, we will seek to shed light on the different aspects of Angrboda (moon), analyzing its origins, its impact on society and its possible implications for the future. We hope this article serves as an informative and stimulating source for anyone interested in learning more about this fascinating topic.

Angrboda
Discovery[1]
Discovered bySheppard et al.
Discovery date2019
Designations
Named after
Angrboða
Saturn LV
S/2004 S 22
S8637a[2]
Orbital characteristics[2]
20379900 km
Eccentricity0.257
−1080.4 days
Inclination177.4°
Satellite ofSaturn
GroupNorse group
Physical characteristics
3 km
25.3
16.1[3]

Angrboda (Saturn LV), provisionally known as S/2004 S 22, is a natural satellite of Saturn. Its discovery was announced by Scott S. Sheppard, David C. Jewitt, and Jan Kleyna on October 7, 2019 from observations taken between December 12, 2004 and February 1, 2006.[3] It was given its permanent designation in August 2021.[4] On 24 August 2022, it was officially named after Angrboða, a jötunn in Norse mythology.[5] She is the consort of Loki and the mother of the wolf Fenrir, the Midgard serpent Jörmungandr, and the ruler of the dead Hel.[6]

Angrboda is about 3 kilometres in diameter, and orbits Saturn at an average distance of 20.636 Gm in 1107.13 days, at an inclination of 177° to the ecliptic, in a retrograde direction and with an eccentricity of 0.251.[3] With an absolute magnitude of 16.1,[3] it is currently the faintest named moon of Saturn.

References

  1. ^ Discovery Circumstances from JPL
  2. ^ a b S.S. Sheppard (2019), Moons of Saturn, Carnegie Science, on line
  3. ^ a b c d "MPEC 2019-T128 : S/2004 S 22". minorplanetcenter.net. Retrieved 7 October 2019.
  4. ^ "M.P.C. 133821" (PDF). Minor Planet Center. International Astronomical Union. 10 August 2021. Retrieved 21 August 2021.
  5. ^ "Names Approved for 10 Small Satellites of Saturn". usgs.gov. USGS. 24 August 2022. Retrieved 30 August 2022.
  6. ^ Lindow, John (2002). Norse Mythology: A Guide to Gods, Heroes, Rituals, and Beliefs. Oxford University Press. p. 59. ISBN 978-0-19-983969-8.


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