| Discovery[1] | |
|---|---|
| Discovered by | Sheppardet al. |
| Discovery date | 2019 |
| Designations | |
| Pronunciation | /ˈɛɡθɛər/ |
Named after | Eggþér |
| Saturn LIX S/2004 S 27 S8576a[2] | |
| Orbital characteristics[2] | |
| 19776700 km | |
| Eccentricity | 0.120 |
| −1033.0 days | |
| Inclination | 167.1° |
| Satellite of | Saturn |
| Group | Norse group |
| Physical characteristics | |
| 6 km | |
| 24.5 | |
Eggther (Saturn LIX), provisionally known asS/2004 S 27, is anatural satellite of Saturn. Its discovery was announced byScott S. Sheppard,David C. Jewitt, andJan Kleyna on October 7, 2019 from observations taken between December 12, 2004 and March 21, 2007.[3] It was given its permanent designation in August 2021.[4] On 24 August 2022, it was officially named afterEggþér, ajötunn fromNorse mythology.[5] He is theherder of the female jötunn (probablyAngrboða) who lives inJárnviðr (Ironwood) and raises monstrous wolves.[6][7][8] In the poemVöluspá, Eggþér is described as sitting on amound and joyfully striking hisharp while the red roosterFjalarr begins to crow to herald the onset ofRagnarök.[7]
Eggther is about 6 kilometres in diameter, and orbits Saturn at an average distance of 19.976 million km in 1054.45 days, at an inclination of 168° to the ecliptic, in a retrograde direction and with an eccentricity of 0.122.[3]
Listed in approximate increasing distance from Saturn | |||||||||
| Inner ring moons | |||||||||
| Co-orbitals | |||||||||
| Ring-embedded moons | |||||||||
| Major moons (withtrojans) | |||||||||
| Inuit group (36) |
| ||||||||
| Gallic group (17) | |||||||||
| Norse group (197) |
| ||||||||
| See also | |||||||||
| Geography | |
|---|---|
| Moons | |
| Astronomy | |
| Exploration | |
| Related | |
