🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 43.7

Radius: 8

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 0.77 AU - 0.94 AU

Year: 541 Days

Day: 12 Hours

Environment

Temp: -174 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 44,800,162 km

• M1: 99,483 km (0.107 R)
• M2: 431,440 km (0.084 R)
• M3: 781,798 km (0.072 R)
• M4: 1,328,279 km (0.073 R)
• M5: 2,148,525 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 455.1

Radius: 11.1

Gravity: 3.69 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 1.21 AU - 1.89 AU

Year: 1332 Days

Day: 13.2 Hours

Environment

Temp: -194 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 44,800,162 km

• M1: 138,079 km (0.111 R)
• M2: 595,848 km (0.03 R)
• M3: 1,036,863 km (0.073 R)
• M4: 1,389,764 km (0.077 R)
• M5: 1,989,352 km (0.113 R)
• M6: 2,523,118 km (0.036 R)
• M7: 2,895,916 km (0.118 R)
• M8: 3,450,624 km (0.03 R)
• M9: 4,042,134 km (0.079 R)
• M10: 4,866,120 km (0.064 R)
• M11: 5,468,700 km (0.091 R)
• M12: 6,252,293 km (0.061 R)
• M13: 7,304,266 km (0.062 R)
• M14: 7,833,992 km (0.119 R)
• M15: 8,416,227 km (0.119 R)
• M16: 8,998,761 km (0.112 R)
• M17: 9,431,099 km (0.045 R)

Planet 3 - Ice Giant

Semi-Major Axis: 6.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 79.7

Radius: 5.2

Gravity: 2.95 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 5.21 AU - 8.69 AU

Year: 12647 Days

Day: 17.4 Hours

Environment

Temp: -232 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 44,800,162 km

• M1: 64,776 km (0.062 R)
• M2: 286,330 km (0.056 R)
• M3: 491,279 km (0.091 R)
• M4: 779,854 km (0.083 R)
• M5: 976,126 km (0.098 R)
• M6: 1,286,093 km (0.113 R)
• M7: 1,622,688 km (0.119 R)
• M8: 1,798,914 km (0.045 R)
• M9: 2,087,339 km (0.055 R)
• M10: 2,809,747 km (0.028 R)
• M11: 3,083,960 km (0.111 R)
• M12: 3,772,110 km (0.055 R)
• M13: 7,597,029 km (0.114 R)
• M14: 7,771,909 km (0.107 R)
• M15: 10,297,420 km (0.049 R)
• M16: 12,049,360 km (0.071 R)
• M17: 12,239,649 km (0.107 R)
• M18: 12,970,883 km (0.085 R)
• M19: 14,200,877 km (0.108 R)
• M20: 16,890,497 km (0.099 R)
• M21: 19,441,440 km (0.116 R)
• M22: 20,167,139 km (0.073 R)
• M23: 20,706,290 km (0.108 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 170.5

Radius: 6.7

Gravity: 3.8 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 8.2 AU - 9.46 AU

Year: 18111 Days

Day: 22.5 Hours

Environment

Temp: -231 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 44,800,162 km

• M1: 83,326 km (0.027 R)
• M2: 627,413 km (0.083 R)
• M3: 887,564 km (0.035 R)
• M4: 2,152,265 km (0.078 R)
• M5: 2,615,270 km (0.084 R)
• M6: 4,077,140 km (0.093 R)
• M7: 4,725,946 km (0.113 R)
• M8: 5,672,901 km (0.109 R)
• M9: 7,604,509 km (0.117 R)
• M10: 7,978,503 km (0.093 R)
• M11: 11,000,530 km (0.115 R)
• M12: 12,420,513 km (0.11 R)
• M13: 13,412,347 km (0.051 R)
• M14: 14,709,360 km (0.038 R)
• M15: 20,577,636 km (0.119 R)
• M16: 21,059,939 km (0.108 R)
• M17: 21,714,430 km (0.093 R)
• M18: 34,003,297 km (0.092 R)
• M19: 36,284,216 km (0.063 R)
• M20: 37,224,438 km (0.064 R)
• M21: 38,665,066 km (0.037 R)
• M22: 39,030,982 km (0.104 R)
• M23: 42,817,903 km (0.096 R)
• M24: 44,398,853 km (0.068 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 362 - 11,710 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit