🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 327.4

Radius: 11

Gravity: 2.71 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 0.48 AU - 0.78 AU

Year: 333 Days

Day: 6.7 Hours

Environment

Temp: -144 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 92,992,454 km

• M1: 136,732 km (0.091 R)
• M2: 704,008 km (0.11 R)
• M3: 1,238,371 km (0.12 R)
• M4: 1,593,965 km (0.07 R)
• M5: 2,637,560 km (0.038 R)
• M6: 3,053,592 km (0.05 R)
• M7: 3,409,635 km (0.092 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 817.1

Radius: 11.3

Gravity: 6.4 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 0.69 AU - 0.75 AU

Year: 407 Days

Day: 9.1 Hours

Environment

Temp: -159 °C

Axial Tilt: 43.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 92,992,454 km

• M1: 140,622 km (0.098 R)
• M2: 637,885 km (0.097 R)
• M3: 1,086,829 km (0.083 R)
• M4: 1,617,452 km (0.114 R)
• M5: 1,996,982 km (0.08 R)
• M6: 2,380,701 km (0.108 R)
• M7: 2,751,703 km (0.094 R)
• M8: 3,105,353 km (0.063 R)
• M9: 3,513,904 km (0.084 R)
• M10: 4,011,467 km (0.064 R)
• M11: 4,629,007 km (0.112 R)
• M12: 5,896,250 km (0.079 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 979.5

Radius: 11.1

Gravity: 7.95 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 0.8 AU - 0.9 AU

Year: 523 Days

Day: 9.1 Hours

Environment

Temp: -173 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 92,992,454 km

• M1: 138,378 km (0.074 R)
• M2: 525,687 km (0.111 R)
• M3: 922,271 km (0.1 R)
• M4: 1,432,400 km (0.05 R)
• M5: 1,820,008 km (0.062 R)
• M6: 3,092,338 km (0.059 R)
• M7: 3,614,135 km (0.089 R)
• M8: 4,867,765 km (0.031 R)
• M9: 5,504,154 km (0.091 R)
• M10: 6,021,913 km (0.117 R)
• M11: 6,653,216 km (0.047 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 610

Radius: 8.2

Gravity: 9.07 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 1.23 AU - 1.27 AU

Year: 932 Days

Day: 9 Hours

Environment

Temp: -194 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 92,992,454 km

• M1: 102,026 km (0.07 R)
• M2: 389,553 km (0.04 R)
• M3: 679,922 km (0.066 R)
• M4: 1,119,740 km (0.105 R)
• M5: 1,428,061 km (0.107 R)
• M6: 1,829,432 km (0.112 R)
• M7: 2,168,272 km (0.065 R)
• M8: 2,653,567 km (0.067 R)
• M9: 2,909,679 km (0.111 R)
• M10: 3,277,241 km (0.047 R)
• M11: 4,153,734 km (0.056 R)
• M12: 5,178,330 km (0.115 R)
• M13: 5,881,141 km (0.091 R)
• M14: 6,735,046 km (0.073 R)
• M15: 7,766,972 km (0.086 R)
• M16: 8,295,202 km (0.039 R)
• M17: 9,367,220 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 565.8

Radius: 10.2

Gravity: 5.44 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 1.44 AU - 1.92 AU

Year: 1452 Days

Day: 12.2 Hours

Environment

Temp: -189 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 92,992,454 km

• M1: 126,859 km (0.064 R)
• M2: 636,240 km (0.063 R)
• M3: 1,031,477 km (0.083 R)
• M4: 1,512,584 km (0.083 R)
• M5: 1,896,303 km (0.094 R)
• M6: 2,440,540 km (0.088 R)
• M7: 2,836,675 km (0.063 R)
• M8: 4,326,969 km (0.119 R)
• M9: 4,755,417 km (0.109 R)
• M10: 5,675,893 km (0.059 R)
• M11: 6,213,248 km (0.05 R)
• M12: 6,735,345 km (0.027 R)
• M13: 7,260,733 km (0.094 R)
• M14: 8,943,410 km (0.11 R)
• M15: 9,302,744 km (0.097 R)
• M16: 9,703,067 km (0.055 R)
• M17: 11,316,032 km (0.051 R)
• M18: 12,023,330 km (0.052 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 869.8

Radius: 13.4

Gravity: 4.84 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 1.72 AU - 2.42 AU

Year: 1986 Days

Day: 11.1 Hours

Environment

Temp: -203 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 92,992,454 km

• M1: 166,802 km (0.115 R)
• M2: 1,237,174 km (0.053 R)
• M3: 2,684,833 km (0.106 R)
• M4: 3,256,746 km (0.082 R)
• M5: 4,378,281 km (0.101 R)
• M6: 5,454,189 km (0.119 R)
• M7: 6,144,134 km (0.114 R)
• M8: 6,644,838 km (0.082 R)
• M9: 8,282,037 km (0.11 R)
• M10: 9,262,651 km (0.082 R)
• M11: 10,839,263 km (0.097 R)
• M12: 11,454,859 km (0.111 R)
• M13: 12,053,100 km (0.083 R)
• M14: 14,380,993 km (0.103 R)
• M15: 15,410,525 km (0.034 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 989.9

Radius: 14.5

Gravity: 4.71 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 2.23 AU - 2.99 AU

Year: 2812 Days

Day: 7 Hours

Environment

Temp: -213 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 92,992,454 km

• M1: 180,565 km (0.059 R)
• M2: 965,355 km (0.098 R)
• M3: 1,487,152 km (0.101 R)
• M4: 2,485,868 km (0.105 R)
• M5: 3,296,090 km (0.109 R)
• M6: 4,409,547 km (0.075 R)
• M7: 5,041,747 km (0.083 R)
• M8: 6,315,723 km (0.068 R)
• M9: 8,651,694 km (0.099 R)
• M10: 9,195,332 km (0.1 R)
• M11: 10,112,666 km (0.1 R)
• M12: 12,085,563 km (0.089 R)
• M13: 14,403,732 km (0.046 R)
• M14: 15,325,404 km (0.103 R)
• M15: 16,450,231 km (0.091 R)
• M16: 17,004,790 km (0.077 R)
• M17: 17,514,620 km (0.087 R)
• M18: 19,967,576 km (0.12 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 892.9

Radius: 3.8

Gravity: 61.84 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 10 AU - 11.6 AU

Year: 23668 Days

Day: 16.6 Hours

Environment

Temp: -246 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 92,992,454 km

• M1: 47,273 km (0.083 R)
• M2: 192,383 km (0.08 R)
• M3: 528,529 km (0.086 R)
• M4: 1,091,915 km (0.082 R)
• M5: 1,414,149 km (0.116 R)
• M6: 1,588,430 km (0.066 R)
• M7: 1,980,227 km (0.06 R)
• M8: 2,482,277 km (0.104 R)
• M9: 2,843,108 km (0.05 R)
• M10: 3,357,126 km (0.071 R)
• M11: 3,998,153 km (0.049 R)
• M12: 4,240,800 km (0.113 R)
• M13: 7,857,179 km (0.07 R)
• M14: 8,127,802 km (0.062 R)
• M15: 8,918,277 km (0.109 R)
• M16: 9,094,204 km (0.097 R)
• M17: 12,017,496 km (0.111 R)
• M18: 15,342,907 km (0.103 R)
• M19: 15,680,250 km (0.096 R)
• M20: 19,923,295 km (0.1 R)
• M21: 21,878,689 km (0.107 R)
• M22: 28,001,729 km (0.074 R)
• M23: 28,632,284 km (0.09 R)
• M24: 30,846,931 km (0.104 R)
• M25: 31,249,200 km (0.112 R)
• M26: 31,654,909 km (0.063 R)
• M27: 36,204,480 km (0.094 R)
• M28: 37,710,930 km (0.098 R)
• M29: 46,572,510 km (0.03 R)
• M30: 49,077,227 km (0.069 R)
• M31: 54,352,946 km (0.112 R)
• M32: 54,548,171 km (0.107 R)
• M33: 56,325,244 km (0.086 R)
• M34: 66,235,504 km (0.111 R)
• M35: 71,015,755 km (0.117 R)
• M36: 81,766,307 km (0.117 R)
• M37: 82,279,278 km (0.158 R)
• M38: 85,401,684 km (0.057 R)
• M39: 86,194,404 km (0.03 R)
• M40: 91,054,240 km (0.099 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: 237 - 14,726 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit