Muspellheim
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 Photo of Muspellheim taken by X in X CY | |||||||||||||
| Designations | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Designation | Yggdrasil I | ||||||||||||
Named after | Múspellsheimr | ||||||||||||
| Orbital characteristics | |||||||||||||
| Aphelion | 0.315 AU | ||||||||||||
| Perihelion | 0.293 AU | ||||||||||||
| 0.3044 AU | |||||||||||||
| Eccentricity | 0.0369 | ||||||||||||
| 64.5 Earth days | |||||||||||||
| Inclination | 0.2° | ||||||||||||
| Known satellites | None | ||||||||||||
| Physical characteristics | |||||||||||||
Mean radius | 0.786 Rᛇ | ||||||||||||
| Mass | 0.5594 Mᛇ | ||||||||||||
Sidereal rotation period | 11.6 d (279h) | ||||||||||||
| 87° | |||||||||||||
| |||||||||||||
| Atmosphere | |||||||||||||
Surface pressure | 5.64 kPa | ||||||||||||
Muspellheim is the first planet from Yggdrasil. It is a terrestrial planet covered entirely in scorching deserts with evidence of geologic activity below the surface. Muspellheim has a smaller mass than Jotunnheim but has a similar radius, it is the second smallest planet in the Yggdrasil system. Muspellheim has no natural satellites. Muspellheim has a small atmosphere, only around 5% that of Jotunnheim, meaning it reaches extremely high temperatures due to its close proximity to the Yggdrasil.