🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 368.7

Radius: 9.2

Gravity: 4.36 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 0.6 AU - 0.84 AU

Year: 394 Days

Day: 14.5 Hours

Environment

Temp: -135 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 41,272,697 km

• M1: 115,041 km (0.111 R)
• M2: 655,089 km (0.102 R)
• M3: 991,535 km (0.115 R)
• M4: 1,301,651 km (0.081 R)
• M5: 1,683,874 km (0.039 R)
• M6: 2,032,437 km (0.076 R)
• M7: 2,411,667 km (0.067 R)
• M8: 2,733,901 km (0.111 R)
• M9: 3,346,205 km (0.092 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 605.2

Radius: 12.4

Gravity: 3.94 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 2.2 AU - 3.04 AU

Year: 2738 Days

Day: 9.7 Hours

Environment

Temp: -205 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 41,272,697 km

• M1: 154,235 km (0.093 R)
• M2: 673,639 km (0.034 R)
• M3: 1,260,811 km (0.119 R)
• M4: 1,737,878 km (0.11 R)
• M5: 3,217,701 km (0.086 R)
• M6: 4,146,105 km (0.116 R)
• M7: 5,034,268 km (0.1 R)
• M8: 5,536,318 km (0.046 R)
• M9: 7,455,958 km (0.038 R)
• M10: 9,355,252 km (0.113 R)
• M11: 9,821,699 km (0.096 R)
• M12: 10,646,731 km (0.082 R)
• M13: 14,605,539 km (0.083 R)
• M14: 15,481,136 km (0.094 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 429.5

Radius: 8.6

Gravity: 5.81 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 2.01 AU - 3.25 AU

Year: 2754 Days

Day: 5.8 Hours

Environment

Temp: -204 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 41,272,697 km

• M1: 107,112 km (0.076 R)
• M2: 410,347 km (0.047 R)
• M3: 828,024 km (0.075 R)
• M4: 1,115,103 km (0.065 R)
• M5: 1,517,820 km (0.077 R)
• M6: 1,968,259 km (0.096 R)
• M7: 2,251,298 km (0.09 R)
• M8: 2,779,528 km (0.056 R)
• M9: 3,286,366 km (0.099 R)
• M10: 3,615,631 km (0.099 R)
• M11: 4,043,630 km (0.085 R)
• M12: 5,900,738 km (0.067 R)
• M13: 6,284,008 km (0.106 R)
• M14: 6,656,656 km (0.114 R)
• M15: 8,551,613 km (0.116 R)
• M16: 10,082,597 km (0.053 R)
• M17: 11,948,681 km (0.084 R)
• M18: 12,232,767 km (0.103 R)
• M19: 13,766,445 km (0.078 R)
• M20: 15,472,010 km (0.062 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 532.1

Radius: 5.4

Gravity: 18.25 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 5.24 AU - 7.58 AU

Year: 10479 Days

Day: 19.8 Hours

Environment

Temp: -215 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 41,272,697 km

• M1: 67,469 km (0.1 R)
• M2: 249,679 km (0.118 R)
• M3: 487,539 km (0.109 R)
• M4: 810,970 km (0.115 R)
• M5: 1,317,359 km (0.063 R)
• M6: 1,513,033 km (0.104 R)
• M7: 2,480,034 km (0.03 R)
• M8: 3,650,936 km (0.12 R)
• M9: 4,931,643 km (0.118 R)
• M10: 7,135,370 km (0.082 R)
• M11: 7,414,818 km (0.067 R)
• M12: 12,021,685 km (0.099 R)
• M13: 12,998,409 km (0.055 R)
• M14: 14,913,412 km (0.091 R)
• M15: 19,446,826 km (0.12 R)
• M16: 22,361,291 km (0.098 R)
• M17: 22,873,814 km (0.084 R)
• M18: 23,132,917 km (0.069 R)
• M19: 43,313,072 km (0.073 R)
• M20: 45,049,903 km (0.05 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 170.2

Radius: 3.4

Gravity: 14.72 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 7.79 AU - 9.23 AU

Year: 16029 Days

Day: 15.2 Hours

Environment

Temp: -221 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 41,272,697 km

• M1: 42,935 km (0.056 R)
• M2: 244,892 km (0.112 R)
• M3: 648,656 km (0.05 R)
• M4: 1,166,714 km (0.081 R)
• M5: 1,484,011 km (0.074 R)
• M6: 2,740,783 km (0.111 R)
• M7: 5,511,485 km (0.067 R)
• M8: 10,011,987 km (0.112 R)
• M9: 10,749,505 km (0.097 R)
• M10: 12,277,048 km (0.054 R)
• M11: 14,799,119 km (0.098 R)
• M12: 17,927,958 km (0.119 R)
• M13: 27,380,300 km (0.092 R)
• M14: 30,400,830 km (0.059 R)
• M15: 30,602,937 km (0.025 R)
• M16: 32,252,703 km (0.06 R)
• M17: 33,636,034 km (0.09 R)
• M18: 36,292,743 km (0.072 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 378 - 16,456 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit