🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 180.7

Radius: 14.2

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 0.87 AU - 1.03 AU

Year: 628 Days

Day: 12.6 Hours

Environment

Temp: -170 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 23,788,719 km

• M1: 176,825 km (0.108 R)
• M2: 510,278 km (0.048 R)
• M3: 776,413 km (0.084 R)
• M4: 1,145,620 km (0.079 R)
• M5: 1,442,123 km (0.034 R)
• M6: 2,233,945 km (0.11 R)
• M7: 2,502,922 km (0.105 R)
• M8: 2,937,205 km (0.089 R)
• M9: 3,424,295 km (0.044 R)
• M10: 3,900,615 km (0.117 R)
• M11: 4,365,266 km (0.097 R)
• M12: 4,856,994 km (0.077 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 50.2

Radius: 11.3

Gravity: 0.39 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 1.37 AU - 1.83 AU

Year: 1373 Days

Day: 14 Hours

Environment

Temp: -186 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 23,788,719 km

• M1: 203,453 km (0.088 R)
• M2: 447,447 km (0.077 R)
• M3: 762,650 km (0.056 R)
• M4: 1,083,687 km (0.1 R)
• M5: 1,611,468 km (0.061 R)
• M6: 1,986,660 km (0.044 R)
• M7: 2,209,860 km (0.107 R)
• M8: 2,701,738 km (0.112 R)
• M9: 3,150,232 km (0.12 R)
• M10: 3,609,497 km (0.029 R)
• M11: 4,771,873 km (0.098 R)
• M12: 5,020,505 km (0.064 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 244.4

Radius: 14.1

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 1.91 AU - 2.17 AU

Year: 1976 Days

Day: 12.5 Hours

Environment

Temp: -210 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 23,788,719 km

• M1: 185,501 km (0.117 R)
• M2: 473,477 km (0.106 R)
• M3: 765,792 km (0.083 R)
• M4: 1,130,661 km (0.056 R)
• M5: 1,496,128 km (0.102 R)
• M6: 1,841,550 km (0.103 R)
• M7: 2,663,291 km (0.079 R)
• M8: 3,827,162 km (0.093 R)
• M9: 4,169,741 km (0.07 R)
• M10: 4,443,655 km (0.067 R)
• M11: 5,646,272 km (0.09 R)
• M12: 5,982,419 km (0.076 R)
• M13: 6,615,966 km (0.081 R)
• M14: 6,927,578 km (0.104 R)
• M15: 7,408,835 km (0.101 R)
• M16: 8,773,018 km (0.09 R)
• M17: 9,581,744 km (0.077 R)
• M18: 10,491,747 km (0.106 R)
• M19: 11,375,871 km (0.064 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 978.1

Radius: 12.7

Gravity: 6.06 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 2.46 AU - 2.84 AU

Year: 2926 Days

Day: 7.5 Hours

Environment

Temp: -208 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 23,788,719 km

• M1: 515,514 km (0.076 R)
• M2: 1,397,095 km (0.101 R)
• M3: 1,767,648 km (0.043 R)
• M4: 2,592,830 km (0.115 R)
• M5: 4,858,490 km (0.029 R)
• M6: 5,579,851 km (0.067 R)
• M7: 5,994,985 km (0.115 R)
• M8: 7,332,240 km (0.054 R)
• M9: 7,648,191 km (0.07 R)
• M10: 8,551,912 km (0.088 R)
• M11: 8,893,444 km (0.039 R)
• M12: 9,212,386 km (0.106 R)
• M13: 11,441,245 km (0.115 R)
• M14: 12,647,453 km (0.103 R)
• M15: 14,241,568 km (0.084 R)
• M16: 16,358,826 km (0.088 R)
• M17: 17,757,417 km (0.102 R)
• M18: 19,512,200 km (0.077 R)
• M19: 19,769,658 km (0.078 R)
• M20: 22,621,891 km (0.112 R)
• M21: 23,224,920 km (0.117 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 428 - 16,319 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit