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Proxima (Proxima Centauri) System
Galactography > Regions of Space > Inner Sphere
Galactography > Civilized Galaxy - Sephirotic Empires > Sophic League
Galactography > Systems and Worlds > Systems & Worlds O - P
Galactography > Civilized Galaxy - Sephirotic Empires > Sophic League
Galactography > Systems and Worlds > Systems & Worlds O - P
The closest star to Sol | |
.png) Image from Dangerous Safety | |
| The Proxima Centauri system; Lif, Lifthrasir, Ask, Embla, Skoll, Hati and Fenrir | |
Proxima System -Data Panel | |
| System | Names: Alpha Centauri, Cenaurinume Stars: 3; Rigil Kentaurus, Toliman, and Proxima Centauri Distance from Sol: 4.321 ly (J2000), 3.660 ly (10600 AT) |
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| Star | Names: Alpha Centauri C, Proxima Centauri (Proxima) Orbital characteristics: - Semi-major axis around A+B: 8,700 AU - Period: 547,000 Julian years - Eccentricity: 0.50 Physical characteristics: - Mass: 0.1221 x Sol - Radius: 0.1542 x Sol - Luminosity: 0.001834 x Sol (bolometric) - Temperature: 3,042 Kelvin - Spectral type: M5.5Ve Red Dwarf. - Age: 4.85 billion years Distance from Sol: 4.244 ly (J2000), 3.555 ly (10600 AT) |
| Polities | - Proxima Cenaurinume Polities allied with the Nauri vec culture - The Proxima Confluence Polities allied with the Sephirotic Inner Sphere |
 Image from The Astronomer | |
| Lif in the Current Era has been ecoformed to create a non-standard life-bearing environment | |
| Lif | Names: Lif Orbital characteristics: - Semi-major axis: 0.029 AU - Orbital period: 5.15 days - Eccentricity: 0.038 Physical characteristics: - Type: Vesperian Minervan VitrioGaian (Estuarine Thermal) - Mass: 3.688E+24 kg (0.618 Earths) - Radius: 5,518.7 km (0.866 Earths) - Density: 5,238 kg/m^3 - Mean surface acceleration: 8.082 m/s^2 (0.824 g) - Rotation period: Tidally-locked - Albedo: 0.432 - Average surface temperature: 337 K Atmosphere: - Surface pressure: 415.0 kPa - Composition: 93.9% nitrogen, 4.8% oxygen, 0.9% sulfur dioxide, 0.4% carbon dioxide, trace amounts of argon, water, hydrogen sulfide, and sulfur Proxima/Lif Lagrangian points: L1: Lagrange Magshield L2: The Ring of Mirror of Questionable Quality L3: empty L4: Nauri computronium swarm L5: Nauri computronium swarm Polities: - Proxima Cenaurinume: - 50 Sephirotic polities, all of them having some presence on the Ring of Mirror of Questionable Quality. |
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 Image from The Astronomer | |
| Lifthrasir | |
| Lifthrasir | Names: Proxima Centauri b (Proxima b), Lifthrasir Orbital characteristics: - Semi-major axis: 0.0485 AU - Orbital period: 11.186 days - Eccentricity: 0.020 Physical characteristics: - Type: Vesperian Minervan AquaTohulian (Pelagic Thermal) - Mass: 1.492E+25 kg - Radius: 9,008.2 km - Density: 4,873 kg/m^3 - Mean surface acceleration: 12.273 m/s^2 (1.251 g) - Rotation period: Tidally-locked - Albedo: 0.684 - Average surface temperature: 616 K Atmosphere: - Surface pressure: 13.8 MPa - Composition: 59.2% carbon dioxide, 20.4% water, 12.9% oxygen, 7.3% nitrogen, 0.1% hydrogen, trace amounts of sulfur dioxide, methane, argon, and helium Lagrangian points: L1: The Blob, a mysterious singular Nauri structure of unknown purpose whose shape is constantly changing. It is guarded by a restriction swarm that prevents Sephirotic settlement of the area. L2: The Will of the Golden Sisters, a swarm of tens of thousands of rotahabs, each containing experimental Cytherean ecosystems. Most of them are inhabited by Venusian tweaks. L3: empty L4: Nauri computronium swarm L5: Nauri computronium swarm Polities: - Proxima Cenaurinume. - 24 Sephirotic polities, dominated by House Mey Auralai, a direct descendant of the Sorority of the Gardeners of the Golden Worlds. |
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| Ask | Name: Ask Orbital characteristics: - Semi-major axis: 0.097 AU - Orbital period: 31.725 days - Eccentricity: 0.13 Physical characteristics: - Type: Stilbonian Rhean CapnoChionian (Tundral) + AquaGanymedean - Mass: 6.534E+24 kg - Radius: 7,162.6 km - Density: 4,245 kg/m^3 - Mean surface acceleration: 8.500 m/s^2 (0.866 g) - Rotation period: 19.035 days (locked in a 3:5 spin-orbit resonance) - Solar day length: 47.587 days - Albedo: 0.221 - Average surface temperature: 187 K Atmosphere: - Surface pressure: 66.4 kPa - Composition: 97.8% nitrogen, 1.6% carbon dioxide (vapor), 0.4% argon, 0.2% carbon monoxide, and trace amounts of methane, oxygen, neon, hydrogen, helium, and ammonia (vapor) Lagrangian points: all are occupied by swarms of Nauri structures Polities: - Proxima Cenaurinume |
| Embla | Name: Embla Orbital characteristics: - Semi-major axis: 0.322 AU - Orbital period: 190.989 days (0.523 Julian years) - Eccentricity: 0.00 Physical characteristics: - Type: Tholian Rhean TitanoCalidian (Conlectic Thermal) + AquaGanymedean - Mass: 8.692E+24 kg - Radius: 8,032.9 km - Density: 4,003 kg/m^3 - Mean surface acceleration: 8.990 m/s^2 (0.916 g) - Rotation period: 4.83 days - Solar day length: 4.96 days - Obliquity: 8.4° - Albedo: 0.394 - Average surface temperature: 115 K Atmosphere: - Surface pressure: 855 MPa - Composition: 98.2% nitrogen (vapor), 1.2% methane (vapor), 0.5% hydrogen, 0.1% argon (vapor), and trace amounts of carbon monoxide (vapor), neon, helium, and ammonia (vapor) Lagrangian points: all are occupied by swarms of Nauri structures Polities: - Proxima Cenaurinume. - 6 Sephirotic polities, including a tweaked Muuh polity. |
 Image from Steve Bowers | |
| Skoll and the Enlightenment Band | |
| Skoll | Names: Proxima Centauri c (Proxima c), Skoll Orbital characteristics: - Semi-major axis: 1.489 AU - Orbital period: 5.199 Julian years - Eccentricity: 0.005 Physical characteristics: - Type: CryoNeptunian YmirJotunnian - Mass: 7.251E+25 kg - Radius: 23,775.7 km - Density: 1,288 kg/m^3 - Mean surface acceleration: 8.561 m/s^2 (0.873 g) - Rotation period: 18.132 hr - Obliquity: 64.9° - Albedo: 0.310 - Average surface temperature (1 bar): 56 K Satellites: 4 Apnean, 17 asteroidal Polities: - Proxima Cenaurinume. - 463 Sephirotic polities, the most populous being the Enlightenment Band, distantly followed by the Boostbeam Pagoda Theocracy. |
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 Image from The Astronomer | |
| Hati (before construction of the supraplanetary structure) | |
| Hati | Name: Hati Orbital characteristics: - Semi-major axis: 3.636 AU - Orbital period: 19.837 Julian years - Eccentricity: 0.006 Physical characteristics: - Type: CryoNeptunian YmirJotunnian - Mass: 1.144E+26 kg - Radius: 27,446.5 km - Density: 1,321 kg/m^3 - Mean surface acceleration: 10.135 m/s^2 (1.033 g) - Rotation period: 23.805 hr - Obliquity: 27.6° - Albedo: 0.299 - Average surface temperature (1 bar): 53 K Satellites: 3 Apnean, 28 asteroidal Polities: - Proxima Cenaurinume. - 826 Sephirotic polities, including the Outer Ring Confederation and the Eduu Jötunn Association. |
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 Image from The Astronomer | |
| Fenris | |
| Fenrir | Name: Fenrir Orbital characteristics: - Semi-major axis: 6.674 AU - Orbital period: 49.334 Julian years - Eccentricity: 0.011 Physical characteristics: - Type: NeonianNeptunian YmirJotunnian - Mass: 8.560E+25 kg - Radius: 25,377.1 km - Density: 1,250 kg/m^3 - Mean surface acceleration: 8.871 m/s^2 (0.904 g) - Rotation period: 13.615 hr - Obliquity: 10.3° - Albedo: 0.620 - Average surface temperature (1 bar): 37 K Satellites: 6 Apnean, 19 asteroidal Polities: - Proxima Cenaurinume. - 135 Sephirotic polities, including the Fomac-aligned Fenrir Living Museum and the Alambrac Nations Combine. |
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| Asteroids | The outer Proxima belt Total mass: 7.943E22 kg Polities: - Proxima Cenaurinume: - 1,458 Sephirotic polities spreading across 155,464 habitats, with major habitat concentrations at 148 locations such as the Hi'ts'wii'nnik habitat cluster and the dwarf planet Anitya. |
See also: The History of the Proxima System
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Development Notes
Text by Updated by The Astronomer with contributions by Dangerous Safety and Ryan B (Rynn)
from an original article by M. Alan Kazlev and John M. Dollan
Initially published on 18 November 2010.
from an original article by M. Alan Kazlev and John M. Dollan
Initially published on 18 November 2010.
