Tag Archives: Aegir

Encyclopedia Entry #7 – Aegir

Aegir is a small moon of Saturn’s that was discovered in 2004 and observed until 2005.  It’s also known as Saturn XXXVI.

Data

  • Dimensions: 6 km in diameter
  • Mass: unknown
  • Density: unknown
  • Surface gravity: unknown
  • Albedo: unknown
  • Temperature: unknown
  • Mean orbital radius: 20,751,000 km
  • Orbital period: 1,117.52 d (retrograde)
  • Inclination: 140°
  • Eccentricity: 0.237

Name Origin

Aegir is a sea giant from Norse mythology.  He is known for hosting parties for the gods and serving ale brewed in a large cauldron.  He is the son of Fornjótr and the brother of Logi and Kári.

5 Interesting Facts

1. Aegir was discovered at the same time as 11 other moons of Saturn by the use of telescopes on Mauna Kea.

2. It’s in a retrograde orbit, meaning it orbits backwards when compared to most satellites.

3. It takes more than 3 years to orbit Saturn.

4. Scott S. Sheppard, one of the discoverers of Aegir, has discovered/co-discovered 75 moons as of this date (May 4, 2014).

5. It’s really hard to write 5 interesting facts about a moon that has very little known about it.  There isn’t even a photo available that I could find.