🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 691.9

Radius: 8.2

Gravity: 10.29 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 0.69 AU - 0.85 AU

Year: 436 Days

Day: 8.6 Hours

Environment

Temp: -139 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 31,686,385 km

• M1: 102,026 km (0.099 R)
• M2: 393,891 km (0.094 R)
• M3: 657,483 km (0.08 R)
• M4: 935,286 km (0.102 R)
• M5: 1,192,594 km (0.045 R)
• M6: 1,848,132 km (0.108 R)
• M7: 2,128,628 km (0.098 R)
• M8: 2,524,314 km (0.062 R)
• M9: 3,045,364 km (0.1 R)
• M10: 3,737,852 km (0.117 R)
• M11: 4,545,681 km (0.062 R)
• M12: 5,284,844 km (0.101 R)
• M13: 5,666,319 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 444.7

Radius: 13

Gravity: 2.63 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 0.98 AU - 1.02 AU

Year: 646 Days

Day: 13 Hours

Environment

Temp: -163 °C

Axial Tilt: 90.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 31,686,385 km

• M1: 162,314 km (0.075 R)
• M2: 634,295 km (0.082 R)
• M3: 1,057,208 km (0.093 R)
• M4: 1,514,080 km (0.108 R)
• M5: 2,604,798 km (0.109 R)
• M6: 3,023,074 km (0.055 R)
• M7: 3,473,962 km (0.074 R)
• M8: 4,066,519 km (0.042 R)
• M9: 5,387,767 km (0.062 R)
• M10: 6,055,572 km (0.1 R)
• M11: 6,563,307 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 998.3

Radius: 11.4

Gravity: 7.68 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 1.12 AU - 1.22 AU

Year: 817 Days

Day: 14.9 Hours

Environment

Temp: -169 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 31,686,385 km

• M1: 141,819 km (0.065 R)
• M2: 552,615 km (0.098 R)
• M3: 944,112 km (0.106 R)
• M4: 1,456,934 km (0.06 R)
• M5: 2,321,609 km (0.112 R)
• M6: 2,677,203 km (0.12 R)
• M7: 3,987,531 km (0.115 R)
• M8: 4,382,170 km (0.111 R)
• M9: 5,289,332 km (0.069 R)
• M10: 6,471,454 km (0.08 R)
• M11: 7,042,469 km (0.071 R)
• M12: 7,572,345 km (0.116 R)
• M13: 8,337,837 km (0.046 R)
• M14: 8,848,864 km (0.039 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 116.7

Radius: 14.2

Gravity: 0.58 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 1.23 AU - 1.39 AU

Year: 968 Days

Day: 9.1 Hours

Environment

Temp: -174 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 31,686,385 km

• M1: 176,675 km (0.093 R)
• M2: 758,162 km (0.12 R)
• M3: 1,378,096 km (0.064 R)
• M4: 2,110,377 km (0.05 R)
• M5: 3,267,816 km (0.109 R)
• M6: 3,849,004 km (0.105 R)
• M7: 4,374,092 km (0.059 R)
• M8: 5,082,737 km (0.082 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 836.8

Radius: 14.3

Gravity: 4.09 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 1.73 AU - 1.95 AU

Year: 1612 Days

Day: 7.2 Hours

Environment

Temp: -187 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 31,686,385 km

• M1: 177,872 km (0.069 R)
• M2: 1,109,119 km (0.101 R)
• M3: 1,581,100 km (0.089 R)
• M4: 2,423,037 km (0.119 R)
• M5: 2,984,328 km (0.079 R)
• M6: 4,201,905 km (0.026 R)
• M7: 5,522,555 km (0.059 R)
• M8: 7,571,597 km (0.051 R)
• M9: 8,416,077 km (0.117 R)
• M10: 9,322,640 km (0.064 R)
• M11: 10,678,745 km (0.071 R)
• M12: 11,404,294 km (0.095 R)
• M13: 13,116,741 km (0.079 R)
• M14: 14,378,899 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 417.3

Radius: 10.1

Gravity: 4.09 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 2.37 AU - 2.53 AU

Year: 2476 Days

Day: 8.7 Hours

Environment

Temp: -195 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 31,686,385 km

• M1: 125,662 km (0.063 R)
• M2: 467,194 km (0.042 R)
• M3: 898,634 km (0.105 R)
• M4: 1,337,405 km (0.105 R)
• M5: 1,723,966 km (0.09 R)
• M6: 2,065,348 km (0.118 R)
• M7: 2,713,107 km (0.06 R)
• M8: 3,259,438 km (0.104 R)
• M9: 3,751,615 km (0.119 R)
• M10: 4,411,192 km (0.117 R)
• M11: 5,058,203 km (0.057 R)
• M12: 5,439,229 km (0.077 R)
• M13: 6,515,286 km (0.091 R)
• M14: 7,383,104 km (0.108 R)
• M15: 8,264,834 km (0.105 R)
• M16: 8,858,588 km (0.101 R)
• M17: 9,480,615 km (0.077 R)
• M18: 10,485,764 km (0.09 R)
• M19: 11,560,624 km (0.082 R)
• M20: 14,589,383 km (0.113 R)
• M21: 15,691,021 km (0.102 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 664.1

Radius: 8.5

Gravity: 9.19 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 3.17 AU - 5.13 AU

Year: 5459 Days

Day: 11.6 Hours

Environment

Temp: -203 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 31,686,385 km

• M1: 106,514 km (0.118 R)
• M2: 398,230 km (0.119 R)
• M3: 776,862 km (0.111 R)
• M4: 1,261,409 km (0.047 R)
• M5: 1,692,401 km (0.08 R)
• M6: 2,188,168 km (0.049 R)
• M7: 3,322,120 km (0.106 R)
• M8: 3,686,391 km (0.116 R)
• M9: 5,923,477 km (0.104 R)
• M10: 7,099,167 km (0.1 R)
• M11: 7,451,620 km (0.116 R)
• M12: 9,309,326 km (0.087 R)
• M13: 9,948,258 km (0.096 R)
• M14: 12,391,192 km (0.1 R)
• M15: 13,805,340 km (0.092 R)
• M16: 16,154,027 km (0.086 R)
• M17: 18,032,976 km (0.026 R)
• M18: 18,359,698 km (0.111 R)
• M19: 20,333,193 km (0.109 R)
• M20: 20,901,665 km (0.106 R)
• M21: 23,127,980 km (0.097 R)
• M22: 27,872,028 km (0.108 R)
• M23: 29,829,217 km (0.075 R)
• M24: 31,121,294 km (0.116 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: 499 - 16,469 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit