🌌 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: 43.2

Radius: 14.3

Gravity: 0.21 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 0.41 AU - 0.61 AU

Year: 243 Days

Day: 11.6 Hours

Environment

Temp: -132 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 15,929,901 km

• M1: 177,872 km (0.055 R)
• M2: 676,182 km (0.051 R)
• M3: 1,167,013 km (0.092 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 963.1

Radius: 10.8

Gravity: 8.26 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 0.55 AU - 0.85 AU

Year: 391 Days

Day: 8.9 Hours

Environment

Temp: -157 °C

Axial Tilt: 47.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 15,929,901 km

• M1: 134,488 km (0.09 R)
• M2: 524,191 km (0.091 R)
• M3: 876,644 km (0.046 R)
• M4: 1,440,478 km (0.069 R)
• M5: 1,833,621 km (0.081 R)
• M6: 2,316,972 km (0.082 R)
• M7: 3,277,091 km (0.056 R)
• M8: 3,616,977 km (0.095 R)
• M9: 4,354,345 km (0.047 R)
• M10: 4,858,340 km (0.118 R)
• M11: 5,450,898 km (0.089 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 734.3

Radius: 13.3

Gravity: 4.15 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 0.7 AU - 1.14 AU

Year: 588 Days

Day: 11.9 Hours

Environment

Temp: -181 °C

Axial Tilt: 118.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 15,929,901 km

• M1: 165,605 km (0.033 R)
• M2: 602,431 km (0.11 R)
• M3: 1,088,923 km (0.071 R)
• M4: 1,552,078 km (0.097 R)
• M5: 2,367,386 km (0.104 R)
• M6: 2,795,535 km (0.05 R)
• M7: 3,662,156 km (0.07 R)
• M8: 4,344,472 km (0.084 R)
• M9: 4,894,394 km (0.09 R)
• M10: 5,579,552 km (0.051 R)
• M11: 6,002,016 km (0.1 R)
• M12: 6,706,473 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 858.6

Radius: 12.6

Gravity: 5.41 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 0.93 AU - 0.93 AU

Year: 598 Days

Day: 6.8 Hours

Environment

Temp: -173 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 15,929,901 km

• M1: 157,377 km (0.057 R)
• M2: 675,135 km (0.083 R)
• M3: 1,148,463 km (0.11 R)
• M4: 2,254,889 km (0.054 R)
• M5: 2,848,194 km (0.079 R)
• M6: 3,804,872 km (0.108 R)
• M7: 5,275,868 km (0.082 R)
• M8: 6,130,521 km (0.04 R)
• M9: 7,293,046 km (0.096 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 603.1

Radius: 13.2

Gravity: 3.46 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 0.9 AU - 1.12 AU

Year: 677 Days

Day: 9.4 Hours

Environment

Temp: -186 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 15,929,901 km

• M1: 164,109 km (0.111 R)
• M2: 617,390 km (0.104 R)
• M3: 1,086,230 km (0.105 R)
• M4: 1,736,831 km (0.112 R)
• M5: 2,214,497 km (0.064 R)
• M6: 2,692,313 km (0.054 R)
• M7: 3,152,925 km (0.026 R)
• M8: 3,817,289 km (0.108 R)
• M9: 4,526,383 km (0.061 R)
• M10: 4,979,664 km (0.104 R)
• M11: 6,325,896 km (0.096 R)
• M12: 7,234,403 km (0.082 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 934.1

Radius: 12.2

Gravity: 6.28 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 2.25 AU - 2.83 AU

Year: 2699 Days

Day: 14.5 Hours

Environment

Temp: -210 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 15,929,901 km

• M1: 151,692 km (0.11 R)
• M2: 571,464 km (0.051 R)
• M3: 1,049,279 km (0.108 R)
• M4: 1,510,639 km (0.106 R)
• M5: 2,777,733 km (0.118 R)
• M6: 3,397,517 km (0.112 R)
• M7: 4,128,752 km (0.087 R)
• M8: 4,680,319 km (0.076 R)
• M9: 5,639,092 km (0.038 R)
• M10: 6,179,290 km (0.102 R)
• M11: 7,522,080 km (0.053 R)
• M12: 8,177,768 km (0.098 R)
• M13: 9,306,035 km (0.07 R)
• M14: 10,415,752 km (0.067 R)
• M15: 10,859,010 km (0.107 R)
• M16: 12,132,387 km (0.116 R)
• M17: 12,714,173 km (0.068 R)
• M18: 13,597,848 km (0.073 R)
• M19: 14,422,880 km (0.058 R)
• M20: 16,877,781 km (0.059 R)
• M21: 19,843,709 km (0.05 R)
• M22: 20,651,986 km (0.084 R)
• M23: 21,160,170 km (0.116 R)
• M24: 21,741,956 km (0.076 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 180.9

Radius: 12.3

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 3.08 AU - 3.22 AU

Year: 3728 Days

Day: 11.1 Hours

Environment

Temp: -220 °C

Axial Tilt: 51 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 15,929,901 km

• M1: 153,039 km (0.071 R)
• M2: 604,974 km (0.107 R)
• M3: 1,032,375 km (0.102 R)
• M4: 1,571,526 km (0.113 R)
• M5: 2,078,064 km (0.115 R)
• M6: 2,968,471 km (0.098 R)
• M7: 3,894,930 km (0.1 R)
• M8: 4,308,269 km (0.051 R)
• M9: 5,246,248 km (0.067 R)
• M10: 5,895,652 km (0.069 R)
• M11: 6,315,723 km (0.069 R)
• M12: 7,383,702 km (0.099 R)
• M13: 7,990,770 km (0.077 R)
• M14: 8,506,434 km (0.071 R)
• M15: 11,125,893 km (0.109 R)
• M16: 11,963,791 km (0.042 R)
• M17: 14,067,885 km (0.102 R)
• M18: 15,138,856 km (0.071 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: 300 - 12,119 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit