Niflheim
 Photo of Niflheim taken by X in X CY | |||||||||||||
| Designations | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Named after | Niflheimr | ||||||||||||
| Orbital characteristics | |||||||||||||
| Aphelion | 14.1 AU | ||||||||||||
| Perihelion | 13.7 AU | ||||||||||||
| 13.9696 AU | |||||||||||||
| Eccentricity | 0.0145 | ||||||||||||
| 20025 Earth days | |||||||||||||
| Inclination | 4.83° | ||||||||||||
| Known satellites | 4 (Grendel, Grimling, Hraesvelg, and Mimir) | ||||||||||||
| Physical characteristics | |||||||||||||
Mean radius | 4.0328 Rᛇ | ||||||||||||
| Mass | 21.845 Mᛇ | ||||||||||||
| 31.3° | |||||||||||||
| |||||||||||||
| Atmosphere | |||||||||||||
Niflheim is the fifth planet from Yggdrasil and is a blue-white colored ice giant. It is composed mainly of water and ammonia. It is the second largest planet in the Yggdrasil system, with nearly 22 times the mass of Jotunnheim. The planet frequently has large and volatile storms that appear and disappear from the surface.