🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 529.6

Radius: 10.7

Gravity: 4.63 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 0.52 AU - 0.66 AU

Year: 313 Days

Day: 7.1 Hours

Environment

Temp: -141 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 50,101,877 km

• M1: 133,142 km (0.103 R)
• M2: 537,206 km (0.114 R)
• M3: 967,898 km (0.106 R)
• M4: 1,345,034 km (0.058 R)
• M5: 1,787,096 km (0.118 R)
• M6: 2,158,099 km (0.031 R)
• M7: 2,528,204 km (0.073 R)
• M8: 3,028,609 km (0.05 R)
• M9: 3,539,186 km (0.08 R)
• M10: 4,045,874 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 169.7

Radius: 13.4

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 0.69 AU - 0.85 AU

Year: 466 Days

Day: 10.4 Hours

Environment

Temp: -173 °C

Axial Tilt: 96.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 50,101,877 km

• M1: 185,053 km (0.118 R)
• M2: 738,415 km (0.11 R)
• M3: 1,220,719 km (0.114 R)
• M4: 1,891,366 km (0.116 R)
• M5: 3,287,862 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 498.9

Radius: 13.9

Gravity: 2.58 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 0.77 AU - 1.01 AU

Year: 580 Days

Day: 11.7 Hours

Environment

Temp: -167 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 50,101,877 km

• M1: 172,935 km (0.062 R)
• M2: 817,104 km (0.111 R)
• M3: 1,418,487 km (0.086 R)
• M4: 2,237,835 km (0.112 R)
• M5: 2,761,577 km (0.092 R)
• M6: 3,415,319 km (0.088 R)
• M7: 4,005,932 km (0.113 R)
• M8: 4,485,692 km (0.112 R)
• M9: 5,228,894 km (0.103 R)
• M10: 5,716,733 km (0.087 R)
• M11: 6,216,689 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 360

Radius: 9.8

Gravity: 3.75 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.72 AU - 1.16 AU

Year: 629 Days

Day: 13.6 Hours

Environment

Temp: -165 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 50,101,877 km

• M1: 122,072 km (0.08 R)
• M2: 553,512 km (0.107 R)
• M3: 1,045,240 km (0.085 R)
• M4: 1,557,912 km (0.112 R)
• M5: 2,205,222 km (0.1 R)
• M6: 2,641,599 km (0.034 R)
• M7: 4,111,548 km (0.067 R)
• M8: 4,867,915 km (0.094 R)
• M9: 5,312,071 km (0.052 R)
• M10: 5,870,071 km (0.082 R)

Asteroid Belt

Center: 1.91 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 772.3

Radius: 9.6

Gravity: 8.38 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 2.86 AU - 2.88 AU

Year: 3356 Days

Day: 14.1 Hours

Environment

Temp: -202 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 50,101,877 km

• M1: 119,977 km (0.102 R)
• M2: 570,566 km (0.105 R)
• M3: 875,896 km (0.11 R)
• M4: 1,275,621 km (0.049 R)
• M5: 1,608,177 km (0.092 R)
• M6: 1,972,747 km (0.114 R)
• M7: 2,274,935 km (0.055 R)
• M8: 2,656,409 km (0.108 R)
• M9: 3,374,928 km (0.087 R)
• M10: 3,936,369 km (0.116 R)
• M11: 4,894,394 km (0.041 R)
• M12: 5,860,646 km (0.077 R)
• M13: 7,233,356 km (0.107 R)
• M14: 7,858,675 km (0.083 R)
• M15: 9,952,597 km (0.106 R)
• M16: 10,684,729 km (0.083 R)
• M17: 12,165,149 km (0.117 R)
• M18: 12,859,882 km (0.11 R)
• M19: 13,777,665 km (0.104 R)
• M20: 15,960,447 km (0.113 R)
• M21: 21,462,358 km (0.043 R)
• M22: 22,613,962 km (0.048 R)
• M23: 24,092,887 km (0.112 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 485.7

Radius: 11.7

Gravity: 3.55 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 2.47 AU - 3.47 AU

Year: 3533 Days

Day: 9.1 Hours

Environment

Temp: -217 °C

Axial Tilt: 42.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 50,101,877 km

• M1: 147,504 km (0.116 R)
• M2: 527,033 km (0.12 R)
• M3: 1,503,309 km (0.105 R)
• M4: 1,867,879 km (0.067 R)
• M5: 2,320,113 km (0.109 R)
• M6: 2,861,658 km (0.118 R)
• M7: 3,656,022 km (0.111 R)
• M8: 5,450,449 km (0.085 R)
• M9: 5,918,241 km (0.07 R)
• M10: 6,964,529 km (0.11 R)
• M11: 7,329,248 km (0.031 R)
• M12: 11,378,564 km (0.088 R)
• M13: 11,757,645 km (0.077 R)
• M14: 12,320,133 km (0.119 R)
• M15: 16,936,573 km (0.086 R)
• M16: 20,420,558 km (0.078 R)
• M17: 20,856,038 km (0.026 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 250.9

Radius: 9.9

Gravity: 2.56 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 4.1 AU - 4.78 AU

Year: 6458 Days

Day: 14.8 Hours

Environment

Temp: -229 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 50,101,877 km

• M1: 154,385 km (0.111 R)
• M2: 619,485 km (0.112 R)
• M3: 1,216,380 km (0.074 R)
• M4: 1,694,645 km (0.039 R)
• M5: 3,272,453 km (0.106 R)
• M6: 3,962,548 km (0.105 R)
• M7: 4,482,401 km (0.108 R)
• M8: 4,920,424 km (0.116 R)
• M9: 6,348,634 km (0.103 R)
• M10: 8,463,649 km (0.111 R)
• M11: 10,124,634 km (0.051 R)
• M12: 12,177,566 km (0.051 R)
• M13: 13,326,478 km (0.103 R)
• M14: 14,182,776 km (0.112 R)
• M15: 20,239,545 km (0.088 R)
• M16: 22,263,305 km (0.078 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 401.9

Radius: 3.5

Gravity: 32.81 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 6.51 AU - 8.33 AU

Year: 13951 Days

Day: 24.9 Hours

Environment

Temp: -231 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 50,101,877 km

• M1: 46,675 km (0.056 R)
• M2: 158,723 km (0.081 R)
• M3: 569,369 km (0.113 R)
• M4: 2,497,836 km (0.059 R)
• M5: 3,595,585 km (0.051 R)
• M6: 3,752,214 km (0.085 R)
• M7: 4,544,484 km (0.089 R)
• M8: 4,852,656 km (0.092 R)
• M9: 9,216,725 km (0.042 R)
• M10: 10,376,856 km (0.086 R)
• M11: 11,574,238 km (0.103 R)
• M12: 11,687,483 km (0.062 R)
• M13: 15,234,449 km (0.097 R)
• M14: 19,437,102 km (0.115 R)
• M15: 22,719,129 km (0.074 R)
• M16: 23,707,523 km (0.054 R)
• M17: 24,912,234 km (0.119 R)
• M18: 26,943,325 km (0.073 R)
• M19: 30,032,371 km (0.048 R)
• M20: 34,273,321 km (0.098 R)
• M21: 36,902,204 km (0.096 R)
• M22: 39,023,353 km (0.115 R)
• M23: 40,049,145 km (0.061 R)
• M24: 45,589,203 km (0.088 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: 532 - 17,662 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit