Gridr
Gridr（天然卫星）。在太阳系 3D 地图上查看它的大小、轨道和实时位置。 Gridr, originally known as S/2004 S 20, is a natural satellite of Saturn.
Gridr, originally known as S/2004 S 20, 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 March 22, 2007. It was given its permanent designation in June 2021. On 24 August 2022, it was officially named after Gríðr, a jötunn in Norse mythology. She is the mother of Víðarr the silent and the consort of Odin. She warned Thor about the treachery of Geirröðr and equipped him with her belt of strength, her iron glove, and her staff Gríðarvöl (Gríðr's-staff).
- 类型: 天然卫星
- 环绕天体: Saturn
- 轨道周期: 2.7 年