🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.63 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 940.8

Radius: 13.1

Gravity: 5.48 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 1.07 AU - 1.43 AU

Year: 965 Days

Day: 9.4 Hours

Environment

Temp: -184 °C

Axial Tilt: 43.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 52,974,675 km

• M1: 170,990 km (0.12 R)
• M2: 759,359 km (0.072 R)
• M3: 1,576,762 km (0.085 R)
• M4: 2,050,987 km (0.107 R)
• M5: 3,294,893 km (0.099 R)
• M6: 3,775,252 km (0.081 R)
• M7: 5,264,050 km (0.102 R)
• M8: 5,967,160 km (0.12 R)
• M9: 6,500,626 km (0.064 R)
• M10: 7,435,463 km (0.087 R)
• M11: 8,027,571 km (0.12 R)
• M12: 10,717,341 km (0.115 R)
• M13: 11,140,853 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 73.9

Radius: 13.7

Gravity: 0.39 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 1.46 AU - 2.24 AU

Year: 1737 Days

Day: 9.8 Hours

Environment

Temp: -195 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 52,974,675 km

• M1: 170,392 km (0.099 R)
• M2: 600,935 km (0.113 R)
• M3: 1,286,542 km (0.118 R)
• M4: 1,775,128 km (0.053 R)
• M5: 2,312,035 km (0.1 R)
• M6: 3,142,303 km (0.097 R)
• M7: 3,680,257 km (0.093 R)
• M8: 4,148,947 km (0.089 R)
• M9: 4,751,528 km (0.06 R)
• M10: 6,715,598 km (0.105 R)

Planet 3 - Ice Giant

Semi-Major Axis: 6.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 457.7

Radius: 5.2

Gravity: 16.93 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 5.42 AU - 7.28 AU

Year: 11045 Days

Day: 23.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 52,974,675 km

• M1: 64,776 km (0.083 R)
• M2: 312,660 km (0.042 R)
• M3: 667,506 km (0.094 R)
• M4: 896,690 km (0.058 R)
• M5: 1,642,435 km (0.114 R)
• M6: 2,099,008 km (0.113 R)
• M7: 2,636,064 km (0.12 R)
• M8: 3,214,409 km (0.086 R)
• M9: 3,570,153 km (0.047 R)
• M10: 3,899,418 km (0.114 R)
• M11: 4,248,580 km (0.056 R)
• M12: 4,531,170 km (0.083 R)
• M13: 4,766,188 km (0.072 R)
• M14: 5,292,773 km (0.101 R)
• M15: 6,279,221 km (0.113 R)
• M16: 7,105,151 km (0.036 R)
• M17: 8,609,058 km (0.108 R)
• M18: 8,970,188 km (0.04 R)
• M19: 9,916,693 km (0.092 R)
• M20: 12,802,436 km (0.115 R)
• M21: 14,498,726 km (0.117 R)
• M22: 14,689,015 km (0.117 R)
• M23: 19,460,289 km (0.112 R)
• M24: 20,476,807 km (0.063 R)
• M25: 21,038,547 km (0.106 R)
• M26: 21,282,541 km (0.043 R)
• M27: 22,956,840 km (0.07 R)
• M28: 25,353,847 km (0.096 R)
• M29: 26,376,349 km (0.055 R)
• M30: 26,754,981 km (0.113 R)
• M31: 27,137,203 km (0.094 R)
• M32: 28,702,446 km (0.119 R)
• M33: 32,011,700 km (0.047 R)
• M34: 41,378,322 km (0.096 R)

Planet 4 - Ice Giant

Semi-Major Axis: 10.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 186.7

Radius: 3

Gravity: 20.74 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 8.21 AU - 12.05 AU

Year: 22255 Days

Day: 18.7 Hours

Environment

Temp: -235 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 52,974,675 km

• M1: 37,250 km (0.113 R)
• M2: 143,165 km (0.07 R)
• M3: 302,038 km (0.078 R)
• M4: 2,466,270 km (0.076 R)
• M5: 2,654,016 km (0.045 R)
• M6: 4,546,728 km (0.074 R)
• M7: 12,350,950 km (0.025 R)
• M8: 20,127,197 km (0.069 R)
• M9: 23,092,526 km (0.059 R)
• M10: 36,855,530 km (0.082 R)
• M11: 39,275,425 km (0.062 R)
• M12: 44,006,308 km (0.087 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 177 - 18,842 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit