🌌 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: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 693.4

Radius: 13.5

Gravity: 3.8 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 0.53 AU - 0.89 AU

Year: 380 Days

Day: 10.6 Hours

Environment

Temp: -147 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 31,027,391 km

• M1: 168,447 km (0.065 R)
• M2: 635,941 km (0.113 R)
• M3: 1,060,051 km (0.076 R)
• M4: 1,563,896 km (0.106 R)
• M5: 2,016,430 km (0.037 R)
• M6: 2,848,792 km (0.112 R)
• M7: 3,546,966 km (0.105 R)
• M8: 4,235,864 km (0.077 R)
• M9: 5,133,301 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 124.8

Radius: 10.5

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 2.36 AU - 3.18 AU

Year: 2931 Days

Day: 8.2 Hours

Environment

Temp: -208 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 31,027,391 km

• M1: 130,898 km (0.076 R)
• M2: 584,479 km (0.067 R)
• M3: 1,292,526 km (0.098 R)
• M4: 1,722,470 km (0.045 R)
• M5: 2,692,313 km (0.108 R)
• M6: 3,039,978 km (0.081 R)
• M7: 3,794,400 km (0.103 R)
• M8: 5,440,276 km (0.091 R)
• M9: 5,933,800 km (0.068 R)
• M10: 7,286,314 km (0.066 R)
• M11: 7,994,510 km (0.06 R)
• M12: 9,887,372 km (0.032 R)
• M13: 10,267,051 km (0.115 R)
• M14: 11,884,204 km (0.067 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 579.7

Radius: 14

Gravity: 2.96 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 3.45 AU - 5.19 AU

Year: 5709 Days

Day: 7.5 Hours

Environment

Temp: -211 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 31,027,391 km

• M1: 174,132 km (0.091 R)
• M2: 641,625 km (0.069 R)
• M3: 1,527,394 km (0.084 R)
• M4: 2,220,032 km (0.11 R)
• M5: 2,763,521 km (0.034 R)
• M6: 4,217,762 km (0.086 R)
• M7: 5,308,181 km (0.077 R)
• M8: 7,011,054 km (0.079 R)
• M9: 7,969,378 km (0.063 R)
• M10: 8,538,747 km (0.105 R)
• M11: 11,373,328 km (0.113 R)
• M12: 11,949,130 km (0.068 R)
• M13: 14,174,249 km (0.106 R)
• M14: 14,955,000 km (0.03 R)
• M15: 16,359,874 km (0.103 R)
• M16: 21,318,445 km (0.054 R)
• M17: 23,401,745 km (0.101 R)
• M18: 24,334,786 km (0.052 R)
• M19: 26,944,671 km (0.094 R)
• M20: 29,826,225 km (0.108 R)
• M21: 31,108,578 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 240

Radius: 9.8

Gravity: 2.5 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 5.39 AU - 6.37 AU

Year: 9066 Days

Day: 7.2 Hours

Environment

Temp: -210 °C

Axial Tilt: 45.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 31,027,391 km

• M1: 122,371 km (0.062 R)
• M2: 626,516 km (0.114 R)
• M3: 1,838,408 km (0.056 R)
• M4: 3,251,360 km (0.077 R)
• M5: 3,719,003 km (0.097 R)
• M6: 5,396,444 km (0.101 R)
• M7: 6,210,406 km (0.092 R)
• M8: 10,798,423 km (0.061 R)
• M9: 11,647,092 km (0.066 R)
• M10: 13,002,748 km (0.106 R)
• M11: 14,237,977 km (0.102 R)
• M12: 20,177,013 km (0.054 R)
• M13: 22,051,624 km (0.096 R)
• M14: 24,276,144 km (0.044 R)
• M15: 27,844,053 km (0.049 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 453.4

Radius: 3

Gravity: 50.38 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 6.95 AU - 11.29 AU

Year: 17512 Days

Day: 19.8 Hours

Environment

Temp: -228 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 31,027,391 km

• M1: 37,998 km (0.105 R)
• M2: 290,369 km (0.109 R)
• M3: 896,839 km (0.087 R)
• M4: 1,042,996 km (0.098 R)
• M5: 1,610,271 km (0.088 R)
• M6: 2,177,547 km (0.031 R)
• M7: 2,914,466 km (0.112 R)
• M8: 3,635,079 km (0.119 R)
• M9: 4,693,334 km (0.091 R)
• M10: 5,940,980 km (0.1 R)
• M11: 7,618,870 km (0.069 R)
• M12: 10,350,078 km (0.118 R)
• M13: 10,462,127 km (0.109 R)
• M14: 11,269,656 km (0.116 R)
• M15: 12,877,983 km (0.105 R)
• M16: 13,269,630 km (0.117 R)
• M17: 14,283,605 km (0.096 R)
• M18: 16,925,653 km (0.119 R)
• M19: 17,793,620 km (0.078 R)
• M20: 18,940,586 km (0.058 R)
• M21: 21,380,528 km (0.08 R)
• M22: 21,745,397 km (0.113 R)
• M23: 23,924,140 km (0.064 R)
• M24: 27,191,208 km (0.105 R)
• M25: 27,511,796 km (0.093 R)
• M26: 30,283,247 km (0.101 R)
• M27: 34,717,477 km (0.108 R)
• M28: 36,372,628 km (0.099 R)
• M29: 37,154,127 km (0.109 R)
• M30: 38,213,280 km (0.115 R)
• M31: 40,530,402 km (0.073 R)
• M32: 41,652,535 km (0.092 R)
• M33: 41,936,322 km (0.105 R)
• M34: 43,374,407 km (0.087 R)
• M35: 49,296,986 km (0.042 R)
• M36: 51,222,311 km (0.111 R)
• M37: 52,039,115 km (0.095 R)
• M38: 55,908,165 km (0.091 R)
• M39: 56,253,437 km (0.117 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 52.6

Radius: 5.1

Gravity: 2.02 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 7.19 AU - 11.93 AU

Year: 18794 Days

Day: 16.9 Hours

Environment

Temp: -238 °C

Axial Tilt: 45.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 31,027,391 km

• M1: 67,469 km (0.104 R)
• M2: 607,667 km (0.107 R)
• M3: 772,673 km (0.051 R)
• M4: 959,371 km (0.085 R)
• M5: 1,683,275 km (0.074 R)
• M6: 2,228,859 km (0.078 R)
• M7: 2,390,424 km (0.064 R)
• M8: 2,577,123 km (0.058 R)
• M9: 4,442,309 km (0.112 R)
• M10: 6,818,821 km (0.102 R)
• M11: 9,417,934 km (0.102 R)
• M12: 10,867,238 km (0.09 R)
• M13: 11,145,789 km (0.113 R)
• M14: 13,655,892 km (0.087 R)
• M15: 14,984,620 km (0.059 R)
• M16: 18,878,503 km (0.097 R)
• M17: 19,281,221 km (0.039 R)
• M18: 24,729,276 km (0.106 R)
• M19: 27,287,549 km (0.027 R)
• M20: 30,198,873 km (0.112 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 410 - 18,042 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit