🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.13

Radius: 0.44

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 0.51 AU - 0.59 AU

Year: 144 Days

Day: 41.2 Hours

Environment

Temp: 202 °C

Axial Tilt: 35.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.11 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.54

Radius: 1.83

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 0.9 AU - 1.32 AU

Year: 413 Days

Day: 36.3 Hours

Environment

Temp: 19 °C

Axial Tilt: 22.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.85

Radius: 1.71

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 1.77 AU - 2.91 AU

Year: 1264 Days

Day: 37.9 Hours

Environment

Temp: -74 °C

Axial Tilt: 13 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.92 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.65

Radius: 1.22

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 2.47 AU - 3.37 AU

Year: 1762 Days

Day: 15 Hours

Environment

Temp: -94 °C

Axial Tilt: 28.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.28 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.88

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 2.72 AU - 3.84 AU

Year: 2098 Days

Day: 12.5 Hours

Environment

Temp: -104 °C

Axial Tilt: 42.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 84,082,433 km

• M1: 65,374 km (0.094 R)

Planet 6 - Ice Giant

Semi-Major Axis: 14.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 892.9

Radius: 6.8

Gravity: 19.31 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 11.56 AU - 18.28 AU

Year: 20349 Days

Day: 20.4 Hours

Environment

Temp: -185 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 84,082,433 km

• M1: 84,672 km (0.062 R)
• M2: 409,599 km (0.079 R)
• M3: 625,020 km (0.098 R)
• M4: 1,174,642 km (0.043 R)
• M5: 2,133,116 km (0.041 R)
• M6: 2,660,299 km (0.096 R)
• M7: 3,103,258 km (0.114 R)
• M8: 4,339,236 km (0.087 R)
• M9: 4,657,431 km (0.07 R)
• M10: 5,380,138 km (0.107 R)
• M11: 6,175,400 km (0.091 R)
• M12: 8,639,576 km (0.077 R)
• M13: 9,490,639 km (0.07 R)
• M14: 11,692,121 km (0.067 R)
• M15: 13,757,020 km (0.111 R)
• M16: 15,804,716 km (0.112 R)
• M17: 16,388,896 km (0.063 R)
• M18: 19,338,666 km (0.12 R)
• M19: 20,789,317 km (0.104 R)
• M20: 23,046,150 km (0.108 R)
• M21: 24,124,003 km (0.109 R)
• M22: 24,453,866 km (0.099 R)
• M23: 26,263,851 km (0.037 R)
• M24: 27,083,049 km (0.116 R)
• M25: 28,895,876 km (0.106 R)
• M26: 29,392,541 km (0.108 R)
• M27: 30,275,467 km (0.044 R)
• M28: 30,659,336 km (0.12 R)
• M29: 34,122,526 km (0.042 R)
• M30: 41,972,375 km (0.104 R)
• M31: 43,091,517 km (0.093 R)
• M32: 51,487,847 km (0.081 R)
• M33: 54,827,171 km (0.114 R)
• M34: 56,743,370 km (0.109 R)
• M35: 60,102,441 km (0.092 R)
• M36: 66,349,498 km (0.1 R)
• M37: 71,648,404 km (0.108 R)
• M38: 82,330,739 km (0.105 R)

Kuiper Belt

Range: 31.1 - 61.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 515 - 13,739 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit