🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 965.6

Radius: 12.8

Gravity: 5.89 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 0.46 AU - 0.56 AU

Year: 251 Days

Day: 11.5 Hours

Environment

Temp: -138 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 61,966,381 km

• M1: 159,322 km (0.117 R)
• M2: 584,180 km (0.105 R)
• M3: 1,019,061 km (0.115 R)
• M4: 1,422,077 km (0.076 R)
• M5: 1,835,117 km (0.063 R)
• M6: 2,272,392 km (0.113 R)
• M7: 2,962,038 km (0.074 R)
• M8: 3,383,904 km (0.09 R)
• M9: 4,299,293 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 941.9

Radius: 8.7

Gravity: 12.44 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 0.52 AU - 0.52 AU

Year: 259 Days

Day: 6.9 Hours

Environment

Temp: -146 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 61,966,381 km

• M1: 108,159 km (0.096 R)
• M2: 433,834 km (0.046 R)
• M3: 908,209 km (0.046 R)
• M4: 1,204,562 km (0.055 R)
• M5: 1,484,460 km (0.11 R)
• M6: 1,794,426 km (0.1 R)
• M7: 2,139,848 km (0.117 R)
• M8: 2,601,657 km (0.103 R)
• M9: 4,214,770 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 961.6

Radius: 12.5

Gravity: 6.15 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 1.47 AU - 1.75 AU

Year: 1410 Days

Day: 14.2 Hours

Environment

Temp: -185 °C

Axial Tilt: 47.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 61,966,381 km

• M1: 155,432 km (0.106 R)
• M2: 551,717 km (0.094 R)
• M3: 1,002,156 km (0.052 R)
• M4: 1,414,448 km (0.093 R)
• M5: 2,395,511 km (0.103 R)
• M6: 3,231,613 km (0.108 R)
• M7: 4,197,716 km (0.097 R)
• M8: 5,068,226 km (0.075 R)
• M9: 6,697,048 km (0.115 R)
• M10: 7,220,790 km (0.088 R)
• M11: 7,942,450 km (0.102 R)
• M12: 8,834,502 km (0.039 R)
• M13: 10,025,152 km (0.113 R)
• M14: 13,324,533 km (0.031 R)
• M15: 14,155,250 km (0.074 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 39.5

Radius: 13.4

Gravity: 0.22 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 2.34 AU - 2.38 AU

Year: 2503 Days

Day: 14.1 Hours

Environment

Temp: -201 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 61,966,381 km

• M1: 166,652 km (0.049 R)
• M2: 647,609 km (0.11 R)
• M3: 1,206,656 km (0.119 R)
• M4: 1,938,190 km (0.069 R)
• M5: 2,717,445 km (0.06 R)
• M6: 3,235,353 km (0.095 R)
• M7: 5,302,048 km (0.098 R)
• M8: 7,119,363 km (0.093 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 166.3

Radius: 8.5

Gravity: 2.3 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 2.84 AU - 2.9 AU

Year: 3356 Days

Day: 11 Hours

Environment

Temp: -208 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 61,966,381 km

• M1: 107,561 km (0.096 R)
• M2: 420,370 km (0.102 R)
• M3: 704,606 km (0.102 R)
• M4: 1,183,020 km (0.089 R)
• M5: 1,700,928 km (0.052 R)
• M6: 2,636,662 km (0.073 R)
• M7: 2,946,330 km (0.084 R)
• M8: 3,538,738 km (0.049 R)
• M9: 3,846,012 km (0.071 R)
• M10: 4,436,474 km (0.114 R)
• M11: 4,980,562 km (0.102 R)
• M12: 5,279,907 km (0.102 R)
• M13: 5,797,665 km (0.09 R)
• M14: 6,573,929 km (0.041 R)
• M15: 7,611,689 km (0.05 R)
• M16: 8,155,029 km (0.108 R)
• M17: 12,280,190 km (0.055 R)
• M18: 12,748,880 km (0.075 R)
• M19: 13,188,997 km (0.094 R)
• M20: 14,269,393 km (0.12 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 758.7

Radius: 7.2

Gravity: 14.64 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 5.79 AU - 8.41 AU

Year: 13059 Days

Day: 21.6 Hours

Environment

Temp: -220 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 61,966,381 km

• M1: 91,853 km (0.115 R)
• M2: 331,808 km (0.11 R)
• M3: 847,622 km (0.111 R)
• M4: 1,129,314 km (0.103 R)
• M5: 1,532,481 km (0.095 R)
• M6: 1,869,076 km (0.114 R)
• M7: 2,139,250 km (0.116 R)
• M8: 3,387,345 km (0.107 R)
• M9: 4,599,087 km (0.084 R)
• M10: 4,826,177 km (0.119 R)
• M11: 5,552,774 km (0.113 R)
• M12: 6,310,487 km (0.119 R)
• M13: 7,092,435 km (0.115 R)
• M14: 8,264,834 km (0.06 R)
• M15: 9,250,833 km (0.111 R)
• M16: 12,055,494 km (0.103 R)
• M17: 12,426,198 km (0.073 R)
• M18: 13,517,963 km (0.079 R)
• M19: 15,166,083 km (0.081 R)
• M20: 16,336,686 km (0.117 R)
• M21: 17,175,481 km (0.117 R)
• M22: 17,645,069 km (0.09 R)
• M23: 20,996,660 km (0.107 R)
• M24: 21,714,430 km (0.108 R)
• M25: 23,198,890 km (0.106 R)
• M26: 24,257,893 km (0.032 R)
• M27: 25,048,069 km (0.074 R)
• M28: 26,679,733 km (0.084 R)
• M29: 31,998,237 km (0.053 R)
• M30: 35,154,452 km (0.077 R)
• M31: 41,936,921 km (0.059 R)
• M32: 44,086,193 km (0.065 R)
• M33: 45,857,731 km (0.072 R)
• M34: 48,292,736 km (0.117 R)
• M35: 49,857,679 km (0.079 R)
• M36: 53,253,551 km (0.102 R)
• M37: 55,431,247 km (0.086 R)
• M38: 56,284,404 km (0.068 R)
• M39: 58,016,897 km (0.106 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 305.1

Radius: 4.2

Gravity: 17.3 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 9.15 AU - 10.97 AU

Year: 22025 Days

Day: 21.7 Hours

Environment

Temp: -237 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 61,966,381 km

• M1: 52,210 km (0.056 R)
• M2: 185,202 km (0.118 R)
• M3: 367,263 km (0.063 R)
• M4: 766,988 km (0.106 R)
• M5: 1,066,782 km (0.08 R)
• M6: 2,138,651 km (0.118 R)
• M7: 2,338,514 km (0.109 R)
• M8: 3,137,815 km (0.091 R)
• M9: 4,771,574 km (0.102 R)
• M10: 5,113,554 km (0.067 R)
• M11: 5,731,842 km (0.108 R)
• M12: 6,771,847 km (0.112 R)
• M13: 7,028,557 km (0.072 R)
• M14: 8,608,011 km (0.12 R)
• M15: 9,165,862 km (0.085 R)
• M16: 10,809,194 km (0.086 R)
• M17: 14,036,619 km (0.05 R)
• M18: 16,898,875 km (0.095 R)
• M19: 22,025,295 km (0.089 R)
• M20: 25,243,145 km (0.102 R)
• M21: 26,381,734 km (0.069 R)
• M22: 31,515,185 km (0.107 R)
• M23: 33,078,034 km (0.058 R)
• M24: 33,940,466 km (0.026 R)
• M25: 34,944,567 km (0.115 R)
• M26: 37,143,655 km (0.052 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 353 - 20,236 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit