🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 90.1

Radius: 12.3

Gravity: 0.6 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 0.64 AU - 0.96 AU

Year: 503 Days

Day: 12.5 Hours

Environment

Temp: -156 °C

Axial Tilt: 106.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 63,313,796 km

• M1: 153,039 km (0.043 R)
• M2: 551,418 km (0.058 R)
• M3: 1,221,317 km (0.105 R)
• M4: 1,727,107 km (0.108 R)
• M5: 2,462,830 km (0.07 R)
• M6: 3,255,399 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 761.4

Radius: 10.7

Gravity: 6.65 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 1.04 AU - 1.14 AU

Year: 800 Days

Day: 13.4 Hours

Environment

Temp: -179 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 63,313,796 km

• M1: 133,591 km (0.107 R)
• M2: 483,949 km (0.105 R)
• M3: 835,355 km (0.112 R)
• M4: 1,686,118 km (0.117 R)
• M5: 2,340,459 km (0.119 R)
• M6: 2,733,153 km (0.103 R)
• M7: 3,302,971 km (0.091 R)
• M8: 3,740,396 km (0.077 R)
• M9: 4,461,009 km (0.071 R)
• M10: 5,290,230 km (0.086 R)
• M11: 5,692,648 km (0.103 R)
• M12: 6,115,561 km (0.075 R)
• M13: 6,690,017 km (0.085 R)
• M14: 7,184,438 km (0.039 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 81.5

Radius: 12.1

Gravity: 0.56 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 1.12 AU - 1.36 AU

Year: 971 Days

Day: 11.7 Hours

Environment

Temp: -179 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 63,313,796 km

• M1: 154,535 km (0.108 R)
• M2: 575,952 km (0.088 R)
• M3: 980,464 km (0.099 R)
• M4: 1,434,195 km (0.102 R)
• M5: 2,155,107 km (0.076 R)
• M6: 2,650,575 km (0.111 R)
• M7: 3,363,110 km (0.034 R)
• M8: 4,476,118 km (0.069 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 911.6

Radius: 9.6

Gravity: 9.89 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 4.3 AU - 5.46 AU

Year: 7578 Days

Day: 9.1 Hours

Environment

Temp: -229 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 63,313,796 km

• M1: 119,379 km (0.094 R)
• M2: 559,795 km (0.078 R)
• M3: 1,008,589 km (0.11 R)
• M4: 1,578,407 km (0.116 R)
• M5: 2,498,584 km (0.115 R)
• M6: 3,642,858 km (0.075 R)
• M7: 4,656,832 km (0.062 R)
• M8: 6,443,330 km (0.108 R)
• M9: 7,077,774 km (0.088 R)
• M10: 7,712,369 km (0.098 R)
• M11: 13,029,675 km (0.045 R)
• M12: 19,532,096 km (0.047 R)
• M13: 21,748,688 km (0.082 R)
• M14: 24,659,414 km (0.106 R)
• M15: 26,022,400 km (0.046 R)
• M16: 27,243,717 km (0.085 R)
• M17: 29,096,935 km (0.097 R)
• M18: 41,504,732 km (0.075 R)
• M19: 42,012,468 km (0.089 R)
• M20: 42,911,102 km (0.032 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 513.1

Radius: 3.1

Gravity: 53.39 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 5.44 AU - 8.12 AU

Year: 12409 Days

Day: 23.7 Hours

Environment

Temp: -220 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 63,313,796 km

• M1: 39,494 km (0.071 R)
• M2: 146,456 km (0.072 R)
• M3: 298,597 km (0.108 R)
• M4: 983,905 km (0.118 R)
• M5: 1,477,877 km (0.062 R)
• M6: 1,608,626 km (0.062 R)
• M7: 2,687,526 km (0.117 R)
• M8: 3,680,856 km (0.099 R)
• M9: 3,949,234 km (0.115 R)
• M10: 4,060,236 km (0.114 R)
• M11: 4,465,048 km (0.105 R)
• M12: 4,801,344 km (0.075 R)
• M13: 5,320,598 km (0.076 R)
• M14: 7,904,303 km (0.105 R)
• M15: 9,050,372 km (0.098 R)
• M16: 9,341,041 km (0.087 R)
• M17: 10,355,015 km (0.118 R)
• M18: 12,961,010 km (0.116 R)
• M19: 15,011,249 km (0.109 R)
• M20: 16,901,268 km (0.101 R)
• M21: 19,902,351 km (0.09 R)
• M22: 32,323,911 km (0.102 R)
• M23: 33,459,209 km (0.073 R)
• M24: 33,574,250 km (0.091 R)
• M25: 34,036,807 km (0.108 R)
• M26: 48,335,970 km (0.035 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 45

Radius: 5

Gravity: 1.8 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 6.91 AU - 7.41 AU

Year: 13467 Days

Day: 17.6 Hours

Environment

Temp: -239 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 63,313,796 km

• M1: 104,868 km (0.086 R)
• M2: 309,219 km (0.051 R)
• M3: 862,282 km (0.071 R)
• M4: 1,363,285 km (0.079 R)
• M5: 4,747,638 km (0.065 R)
• M6: 5,944,271 km (0.05 R)
• M7: 9,326,679 km (0.041 R)
• M8: 12,061,478 km (0.079 R)
• M9: 13,905,720 km (0.069 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 428.2

Radius: 7.1

Gravity: 8.49 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 8.4 AU - 9.74 AU

Year: 19201 Days

Day: 17.1 Hours

Environment

Temp: -227 °C

Axial Tilt: 145.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 63,313,796 km

• M1: 88,861 km (0.025 R)
• M2: 377,435 km (0.103 R)
• M3: 908,807 km (0.102 R)
• M4: 1,332,767 km (0.03 R)
• M5: 1,953,748 km (0.077 R)
• M6: 2,278,824 km (0.097 R)
• M7: 2,822,463 km (0.08 R)
• M8: 3,213,661 km (0.111 R)
• M9: 3,640,464 km (0.094 R)
• M10: 5,965,664 km (0.07 R)
• M11: 7,301,274 km (0.119 R)
• M12: 9,824,391 km (0.079 R)
• M13: 10,897,008 km (0.113 R)
• M14: 13,745,052 km (0.106 R)
• M15: 15,229,662 km (0.086 R)
• M16: 15,747,569 km (0.117 R)
• M17: 16,818,391 km (0.114 R)
• M18: 20,858,431 km (0.093 R)
• M19: 23,101,950 km (0.116 R)
• M20: 25,398,427 km (0.093 R)
• M21: 26,442,770 km (0.093 R)
• M22: 27,515,387 km (0.036 R)
• M23: 27,952,512 km (0.1 R)
• M24: 33,070,554 km (0.107 R)
• M25: 39,329,280 km (0.086 R)
• M26: 46,952,189 km (0.06 R)
• M27: 49,804,422 km (0.106 R)
• M28: 51,273,025 km (0.1 R)
• M29: 54,983,949 km (0.087 R)
• M30: 60,327,286 km (0.116 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 401 - 12,619 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit