🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 204.3

Radius: 10.2

Gravity: 1.96 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.51 AU - 0.77 AU

Year: 341 Days

Day: 6.2 Hours

Environment

Temp: -149 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 28,698,340 km

• M1: 126,859 km (0.076 R)
• M2: 496,964 km (0.104 R)
• M3: 873,951 km (0.057 R)
• M4: 1,268,291 km (0.092 R)
• M5: 1,672,055 km (0.108 R)
• M6: 2,555,132 km (0.102 R)
• M7: 3,207,827 km (0.043 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 984.1

Radius: 10

Gravity: 9.84 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 0.55 AU - 0.75 AU

Year: 349 Days

Day: 6.9 Hours

Environment

Temp: -158 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 28,698,340 km

• M1: 124,316 km (0.07 R)
• M2: 537,505 km (0.073 R)
• M3: 942,915 km (0.113 R)
• M4: 1,303,895 km (0.106 R)
• M5: 1,628,223 km (0.114 R)
• M6: 2,031,539 km (0.069 R)
• M7: 2,520,425 km (0.103 R)
• M8: 3,097,274 km (0.116 R)
• M9: 3,489,221 km (0.044 R)
• M10: 3,888,049 km (0.089 R)
• M11: 4,387,107 km (0.058 R)
• M12: 4,778,006 km (0.116 R)
• M13: 5,239,366 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 679.3

Radius: 9.1

Gravity: 8.2 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 0.71 AU - 0.77 AU

Year: 424 Days

Day: 12.7 Hours

Environment

Temp: -159 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 28,698,340 km

• M1: 113,096 km (0.059 R)
• M2: 416,331 km (0.104 R)
• M3: 804,986 km (0.101 R)
• M4: 1,254,977 km (0.116 R)
• M5: 1,566,589 km (0.094 R)
• M6: 1,851,722 km (0.078 R)
• M7: 2,259,825 km (0.12 R)
• M8: 2,636,662 km (0.112 R)
• M9: 3,212,165 km (0.116 R)
• M10: 3,591,246 km (0.114 R)
• M11: 4,229,581 km (0.034 R)
• M12: 4,554,358 km (0.09 R)
• M13: 5,065,234 km (0.098 R)
• M14: 5,547,239 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 513.3

Radius: 11.9

Gravity: 3.62 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 0.71 AU - 1.01 AU

Year: 532 Days

Day: 7.8 Hours

Environment

Temp: -177 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 28,698,340 km

• M1: 147,952 km (0.075 R)
• M2: 532,568 km (0.107 R)
• M3: 949,797 km (0.109 R)
• M4: 1,363,435 km (0.088 R)
• M5: 1,805,945 km (0.073 R)
• M6: 2,400,298 km (0.115 R)
• M7: 2,988,666 km (0.053 R)
• M8: 3,534,549 km (0.119 R)
• M9: 4,187,394 km (0.088 R)
• M10: 4,796,856 km (0.119 R)
• M11: 5,283,797 km (0.111 R)
• M12: 5,943,374 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 291.3

Radius: 14.7

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 1.8 AU - 2.3 AU

Year: 1957 Days

Day: 10.9 Hours

Environment

Temp: -196 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 28,698,340 km

• M1: 183,108 km (0.099 R)
• M2: 839,543 km (0.112 R)
• M3: 1,347,727 km (0.119 R)
• M4: 1,964,669 km (0.08 R)
• M5: 2,703,982 km (0.118 R)
• M6: 3,189,726 km (0.096 R)
• M7: 3,655,125 km (0.042 R)
• M8: 6,356,713 km (0.111 R)
• M9: 7,026,313 km (0.117 R)
• M10: 8,705,848 km (0.107 R)
• M11: 10,412,012 km (0.093 R)
• M12: 11,207,872 km (0.049 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 660.5

Radius: 13.6

Gravity: 3.57 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 1.85 AU - 2.87 AU

Year: 2418 Days

Day: 12.2 Hours

Environment

Temp: -210 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 28,698,340 km

• M1: 169,195 km (0.118 R)
• M2: 604,076 km (0.113 R)
• M3: 1,168,210 km (0.075 R)
• M4: 1,606,831 km (0.063 R)
• M5: 2,182,932 km (0.036 R)
• M6: 3,068,252 km (0.101 R)
• M7: 3,559,083 km (0.116 R)
• M8: 4,322,481 km (0.087 R)
• M9: 5,309,378 km (0.109 R)
• M10: 5,769,092 km (0.073 R)
• M11: 6,713,803 km (0.086 R)
• M12: 7,487,972 km (0.119 R)
• M13: 8,289,218 km (0.058 R)
• M14: 10,026,199 km (0.106 R)
• M15: 10,468,111 km (0.061 R)
• M16: 12,118,325 km (0.097 R)
• M17: 14,674,055 km (0.113 R)
• M18: 15,292,942 km (0.08 R)
• M19: 16,329,356 km (0.044 R)
• M20: 18,105,980 km (0.114 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 36

Radius: 5.2

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 8.85 AU - 10.59 AU

Year: 20208 Days

Day: 15.2 Hours

Environment

Temp: -236 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 28,698,340 km

• M1: 64,626 km (0.081 R)
• M2: 968,197 km (0.068 R)
• M3: 1,538,764 km (0.114 R)
• M4: 5,012,875 km (0.117 R)
• M5: 7,928,238 km (0.088 R)
• M6: 12,000,143 km (0.038 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: 467 - 16,417 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit