🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 984.2

Radius: 12.8

Gravity: 6.01 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.54 AU - 0.82 AU

Year: 387 Days

Day: 11.5 Hours

Environment

Temp: -154 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 75,294,354 km

• M1: 159,172 km (0.04 R)
• M2: 612,304 km (0.105 R)
• M3: 1,051,823 km (0.104 R)
• M4: 1,487,900 km (0.088 R)
• M5: 2,114,267 km (0.052 R)
• M6: 2,533,889 km (0.112 R)
• M7: 3,098,322 km (0.084 R)
• M8: 3,656,920 km (0.045 R)
• M9: 4,254,264 km (0.085 R)
• M10: 4,703,058 km (0.073 R)
• M11: 5,345,282 km (0.065 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 418.2

Radius: 10.9

Gravity: 3.52 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.62 AU - 0.92 AU

Year: 466 Days

Day: 11.3 Hours

Environment

Temp: -161 °C

Axial Tilt: 46 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 75,294,354 km

• M1: 136,732 km (0.09 R)
• M2: 773,271 km (0.12 R)
• M3: 1,449,903 km (0.111 R)
• M4: 1,807,142 km (0.117 R)
• M5: 2,451,610 km (0.072 R)
• M6: 3,633,583 km (0.104 R)
• M7: 4,185,000 km (0.099 R)
• M8: 4,677,028 km (0.104 R)
• M9: 5,055,959 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 503.7

Radius: 13.2

Gravity: 2.89 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 1.72 AU - 2.18 AU

Year: 1880 Days

Day: 6 Hours

Environment

Temp: -208 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 75,294,354 km

• M1: 173,384 km (0.102 R)
• M2: 701,165 km (0.087 R)
• M3: 1,218,624 km (0.072 R)
• M4: 1,649,017 km (0.105 R)
• M5: 2,069,687 km (0.092 R)
• M6: 2,486,017 km (0.075 R)
• M7: 3,524,526 km (0.111 R)
• M8: 3,999,948 km (0.104 R)
• M9: 4,956,477 km (0.114 R)
• M10: 5,989,749 km (0.106 R)
• M11: 6,874,471 km (0.081 R)
• M12: 7,348,547 km (0.091 R)
• M13: 7,957,709 km (0.075 R)
• M14: 8,451,233 km (0.054 R)
• M15: 8,873,099 km (0.108 R)
• M16: 9,989,697 km (0.119 R)
• M17: 10,496,086 km (0.106 R)
• M18: 12,118,924 km (0.045 R)
• M19: 12,891,746 km (0.099 R)
• M20: 13,986,653 km (0.027 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 142.5

Radius: 14.5

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 2.27 AU - 2.33 AU

Year: 2408 Days

Day: 11.9 Hours

Environment

Temp: -210 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 75,294,354 km

• M1: 180,265 km (0.119 R)
• M2: 655,837 km (0.12 R)
• M3: 1,339,051 km (0.077 R)
• M4: 2,068,939 km (0.106 R)
• M5: 2,683,038 km (0.06 R)
• M6: 3,260,486 km (0.108 R)
• M7: 4,369,006 km (0.038 R)
• M8: 5,039,653 km (0.11 R)
• M9: 5,551,427 km (0.114 R)
• M10: 6,011,590 km (0.053 R)
• M11: 6,890,628 km (0.096 R)
• M12: 8,088,308 km (0.113 R)
• M13: 9,775,772 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 712.9

Radius: 13.8

Gravity: 3.74 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 2.32 AU - 2.36 AU

Year: 2471 Days

Day: 7.8 Hours

Environment

Temp: -201 °C

Axial Tilt: 47 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 75,294,354 km

• M1: 171,738 km (0.079 R)
• M2: 720,015 km (0.063 R)
• M3: 1,647,372 km (0.05 R)
• M4: 2,388,031 km (0.105 R)
• M5: 2,914,466 km (0.113 R)
• M6: 3,412,028 km (0.104 R)
• M7: 6,344,446 km (0.081 R)
• M8: 6,841,709 km (0.065 R)
• M9: 9,481,663 km (0.067 R)
• M10: 10,699,389 km (0.069 R)
• M11: 14,739,878 km (0.04 R)
• M12: 15,516,740 km (0.095 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 864

Radius: 6.2

Gravity: 22.48 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 8.38 AU - 8.9 AU

Year: 17530 Days

Day: 20.3 Hours

Environment

Temp: -232 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 75,294,354 km

• M1: 91,105 km (0.12 R)
• M2: 373,845 km (0.041 R)
• M3: 643,420 km (0.115 R)
• M4: 1,541,157 km (0.027 R)
• M5: 2,473,152 km (0.117 R)
• M6: 4,607,914 km (0.114 R)
• M7: 5,689,656 km (0.094 R)
• M8: 7,836,684 km (0.112 R)
• M9: 11,338,771 km (0.12 R)
• M10: 12,320,282 km (0.09 R)
• M11: 17,234,123 km (0.101 R)
• M12: 18,440,630 km (0.041 R)
• M13: 26,545,693 km (0.104 R)
• M14: 28,386,346 km (0.112 R)
• M15: 30,804,745 km (0.111 R)
• M16: 34,819,204 km (0.106 R)
• M17: 35,497,780 km (0.107 R)
• M18: 38,588,322 km (0.08 R)
• M19: 56,199,881 km (0.093 R)
• M20: 58,839,087 km (0.098 R)
• M21: 62,153,427 km (0.083 R)
• M22: 71,523,191 km (0.089 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 227 - 18,101 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit