Svartalfheim: Difference between revisions
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| discoverer = | | discoverer = | ||
| discovered = | | discovered = | ||
| mp_name = | | mp_name = Yggdrasil III | ||
| named_after = [[Wikipedia:Svartálfar|Svartálfaheimr]] | | named_after = [[Wikipedia:Svartálfar|Svartálfaheimr]] | ||
| orbit_ref = | | orbit_ref = | ||
| epoch = | | epoch = | ||
| aphelion = </small> | | aphelion = 1.48 AU</small> | ||
| perihelion = </small> | | perihelion = 1.42 AU</small> | ||
| semimajor = | | semimajor = 1.4537 AU | ||
| eccentricity = | | eccentricity = 0.02 | ||
| period = | | period = 672 Earth days | ||
| avg_speed = | | avg_speed = | ||
| mean_anomaly = | | mean_anomaly = | ||
| inclination = | | inclination = 7° | ||
| asc_node = | | asc_node = | ||
| arg_peri = | | arg_peri = | ||
| satellites = | | satellites = One natural satellite: [[Ivaldi]] | ||
| allsatellites = | | allsatellites = | ||
| mean_radius = | | mean_radius = 0.4265 R<sub>ᛇ</sub> | ||
| equatorial_radius = | | equatorial_radius = | ||
| polar_radius = | | polar_radius = | ||
| Line 31: | Line 31: | ||
| surface_area = | | surface_area = | ||
| volume = | | volume = | ||
| mass = | | mass = 0.1204 M<sub>ᛇ</sub> | ||
| density = | | density = | ||
| surface_grav = | | surface_grav = | ||
| Line 38: | Line 38: | ||
| sidereal_day = | | sidereal_day = | ||
| rot_velocity = | | rot_velocity = | ||
| axial_tilt = | | axial_tilt = 12° | ||
| albedo = | | albedo = | ||
| atmosphere = yes | | atmosphere = yes | ||
| Line 49: | Line 49: | ||
| mean_temp_2 = | | mean_temp_2 = | ||
| max_temp_2 = | | max_temp_2 = | ||
| surface_pressure = | | surface_pressure = 0.000507 kPa | ||
| atmosphere_composition = | | atmosphere_composition = | ||
| note = no | | note = no | ||
}} | }} | ||
[[Category:Astronomy]][[Category:Yggdrasil system]] | '''Svartalfheim''' is the third planet from Yggdrasil. It is a rocky planet with a tenuous atmosphere, and is the smallest of the six planets at a mass of just 0.1 Jotunnheims. Svartalfheim’s miniscule atmosphere and distance from Yggdrasil leads to extremely low temperatures on the surface of the planet, with some areas nearing absolute zero. | ||
[[Category:Astronomy]][[Category:Yggdrasil system]][[Category:Planets]] | |||
Latest revision as of 03:08, 3 November 2025
 Photo of Svartalfheim taken by X in X CY | |||||||||||||
| Designations | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Designation | Yggdrasil III | ||||||||||||
Named after | Svartálfaheimr | ||||||||||||
| Orbital characteristics | |||||||||||||
| Aphelion | 1.48 AU | ||||||||||||
| Perihelion | 1.42 AU | ||||||||||||
| 1.4537 AU | |||||||||||||
| Eccentricity | 0.02 | ||||||||||||
| 672 Earth days | |||||||||||||
| Inclination | 7° | ||||||||||||
| Known satellites | One natural satellite: Ivaldi | ||||||||||||
| Physical characteristics | |||||||||||||
Mean radius | 0.4265 Rᛇ | ||||||||||||
| Mass | 0.1204 Mᛇ | ||||||||||||
| 12° | |||||||||||||
| |||||||||||||
| Atmosphere | |||||||||||||
Surface pressure | 0.000507 kPa | ||||||||||||
Svartalfheim is the third planet from Yggdrasil. It is a rocky planet with a tenuous atmosphere, and is the smallest of the six planets at a mass of just 0.1 Jotunnheims. Svartalfheim’s miniscule atmosphere and distance from Yggdrasil leads to extremely low temperatures on the surface of the planet, with some areas nearing absolute zero.