🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 754.6

Radius: 11.8

Gravity: 5.42 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 0.87 AU - 1.01 AU

Year: 629 Days

Day: 14.6 Hours

Environment

Temp: -165 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 11,589,486 km

• M1: 146,905 km (0.083 R)
• M2: 542,292 km (0.099 R)
• M3: 1,001,857 km (0.089 R)
• M4: 1,488,948 km (0.097 R)
• M5: 1,925,325 km (0.057 R)
• M6: 2,305,902 km (0.051 R)
• M7: 2,770,852 km (0.087 R)
• M8: 3,160,405 km (0.113 R)
• M9: 3,892,088 km (0.117 R)
• M10: 5,223,808 km (0.078 R)
• M11: 5,710,749 km (0.087 R)
• M12: 6,247,656 km (0.101 R)
• M13: 7,334,185 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 672.3

Radius: 8.8

Gravity: 8.68 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 0.92 AU - 1.46 AU

Year: 896 Days

Day: 12.4 Hours

Environment

Temp: -193 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 11,589,486 km

• M1: 109,506 km (0.098 R)
• M2: 445,203 km (0.101 R)
• M3: 749,785 km (0.099 R)
• M4: 1,033,272 km (0.117 R)
• M5: 1,644,230 km (0.086 R)
• M6: 1,958,685 km (0.112 R)
• M7: 2,512,347 km (0.107 R)
• M8: 3,087,401 km (0.109 R)
• M9: 3,541,580 km (0.077 R)
• M10: 3,976,910 km (0.103 R)
• M11: 4,464,599 km (0.063 R)
• M12: 6,002,764 km (0.091 R)
• M13: 6,469,510 km (0.087 R)
• M14: 6,824,056 km (0.068 R)
• M15: 7,816,788 km (0.106 R)
• M16: 9,011,177 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 56.5

Radius: 9.4

Gravity: 0.64 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 1.11 AU - 1.33 AU

Year: 930 Days

Day: 12.1 Hours

Environment

Temp: -174 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 11,589,486 km

• M1: 117,434 km (0.049 R)
• M2: 511,924 km (0.062 R)
• M3: 1,076,656 km (0.079 R)
• M4: 1,805,198 km (0.077 R)
• M5: 2,306,650 km (0.089 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 422.8

Radius: 11.6

Gravity: 3.14 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 2.02 AU - 2.92 AU

Year: 2680 Days

Day: 5.3 Hours

Environment

Temp: -207 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 11,589,486 km

• M1: 144,512 km (0.1 R)
• M2: 584,928 km (0.088 R)
• M3: 968,796 km (0.118 R)
• M4: 1,390,213 km (0.104 R)
• M5: 1,923,978 km (0.12 R)
• M6: 2,284,659 km (0.078 R)
• M7: 2,748,562 km (0.082 R)
• M8: 3,442,696 km (0.048 R)
• M9: 4,573,656 km (0.113 R)
• M10: 5,134,947 km (0.074 R)
• M11: 5,502,658 km (0.058 R)
• M12: 5,987,356 km (0.086 R)
• M13: 7,673,623 km (0.109 R)
• M14: 9,553,619 km (0.096 R)
• M15: 11,841,419 km (0.071 R)
• M16: 12,527,625 km (0.083 R)
• M17: 13,070,216 km (0.07 R)
• M18: 14,792,537 km (0.065 R)
• M19: 15,924,843 km (0.097 R)
• M20: 16,512,314 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 698.3

Radius: 14.2

Gravity: 3.46 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 2.02 AU - 2.99 AU

Year: 2728 Days

Day: 12.8 Hours

Environment

Temp: -214 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 11,589,486 km

• M1: 176,525 km (0.06 R)
• M2: 647,160 km (0.117 R)
• M3: 1,162,974 km (0.115 R)
• M4: 1,731,895 km (0.09 R)
• M5: 2,443,382 km (0.08 R)
• M6: 3,578,680 km (0.09 R)
• M7: 5,303,245 km (0.058 R)
• M8: 7,499,192 km (0.105 R)
• M9: 8,697,620 km (0.072 R)
• M10: 9,253,825 km (0.09 R)
• M11: 10,322,851 km (0.04 R)
• M12: 10,867,687 km (0.068 R)
• M13: 11,637,817 km (0.114 R)
• M14: 12,400,766 km (0.075 R)
• M15: 14,406,574 km (0.082 R)
• M16: 15,995,453 km (0.065 R)
• M17: 17,533,768 km (0.12 R)
• M18: 18,937,445 km (0.095 R)
• M19: 20,053,445 km (0.076 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 683.1

Radius: 10.1

Gravity: 6.7 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 2.1 AU - 3.18 AU

Year: 2961 Days

Day: 10.3 Hours

Environment

Temp: -208 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 11,589,486 km

• M1: 125,662 km (0.049 R)
• M2: 604,974 km (0.05 R)
• M3: 964,158 km (0.119 R)
• M4: 2,420,793 km (0.111 R)
• M5: 2,816,928 km (0.071 R)
• M6: 3,760,591 km (0.061 R)
• M7: 4,188,142 km (0.064 R)
• M8: 8,522,740 km (0.082 R)
• M9: 16,273,256 km (0.049 R)
• M10: 16,754,962 km (0.109 R)
• M11: 19,908,335 km (0.106 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 109.2

Radius: 13.5

Gravity: 0.6 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 2.42 AU - 2.88 AU

Year: 2978 Days

Day: 6.3 Hours

Environment

Temp: -214 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 11,589,486 km

• M1: 172,038 km (0.071 R)
• M2: 649,255 km (0.072 R)
• M3: 1,236,726 km (0.053 R)
• M4: 3,985,586 km (0.077 R)
• M5: 4,928,801 km (0.114 R)
• M6: 6,511,547 km (0.049 R)
• M7: 9,503,953 km (0.11 R)
• M8: 10,917,802 km (0.102 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 486 - 16,289 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit