🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 435.3

Radius: 14

Gravity: 2.22 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 0.45 AU - 0.67 AU

Year: 295 Days

Day: 8.6 Hours

Environment

Temp: -153 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 18,439,108 km

• M1: 174,132 km (0.097 R)
• M2: 730,187 km (0.039 R)
• M3: 1,370,915 km (0.104 R)
• M4: 1,842,747 km (0.086 R)
• M5: 2,464,775 km (0.104 R)
• M6: 3,042,372 km (0.09 R)
• M7: 3,655,873 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 435.6

Radius: 9.4

Gravity: 4.93 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.54 AU - 0.72 AU

Year: 351 Days

Day: 9.7 Hours

Environment

Temp: -150 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 18,439,108 km

• M1: 117,434 km (0.107 R)
• M2: 411,544 km (0.109 R)
• M3: 1,042,398 km (0.079 R)
• M4: 1,366,128 km (0.077 R)
• M5: 1,697,487 km (0.052 R)
• M6: 2,136,856 km (0.104 R)
• M7: 2,482,427 km (0.052 R)
• M8: 2,991,808 km (0.107 R)
• M9: 3,361,763 km (0.082 R)
• M10: 4,034,804 km (0.089 R)
• M11: 4,358,684 km (0.069 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 21.1

Radius: 12.3

Gravity: 0.14 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 0.93 AU - 1.09 AU

Year: 713 Days

Day: 11.4 Hours

Environment

Temp: -174 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (2)

Outer Limit: 18,439,108 km

• M1: 153,039 km (0.045 R)
• M2: 544,536 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 839.1

Radius: 9.7

Gravity: 8.92 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 1.4 AU - 1.42 AU

Year: 1177 Days

Day: 14.3 Hours

Environment

Temp: -179 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 18,439,108 km

• M1: 120,576 km (0.081 R)
• M2: 424,260 km (0.119 R)
• M3: 998,715 km (0.061 R)
• M4: 1,307,785 km (0.05 R)
• M5: 2,062,506 km (0.069 R)
• M6: 2,524,913 km (0.027 R)
• M7: 3,317,782 km (0.086 R)
• M8: 5,204,360 km (0.057 R)
• M9: 6,365,090 km (0.099 R)
• M10: 6,722,928 km (0.073 R)
• M11: 7,221,089 km (0.048 R)
• M12: 7,716,857 km (0.1 R)
• M13: 9,494,378 km (0.086 R)
• M14: 9,930,755 km (0.118 R)
• M15: 10,347,834 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 902.8

Radius: 8.3

Gravity: 13.1 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 1.91 AU - 2.21 AU

Year: 2078 Days

Day: 10.4 Hours

Environment

Temp: -192 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 18,439,108 km

• M1: 103,223 km (0.116 R)
• M2: 372,798 km (0.085 R)
• M3: 823,835 km (0.058 R)
• M4: 1,085,632 km (0.102 R)
• M5: 1,697,337 km (0.105 R)
• M6: 2,313,681 km (0.112 R)
• M7: 2,666,582 km (0.046 R)
• M8: 3,445,538 km (0.103 R)
• M9: 4,224,345 km (0.057 R)
• M10: 4,579,789 km (0.1 R)
• M11: 5,970,900 km (0.112 R)
• M12: 6,338,611 km (0.077 R)
• M13: 7,383,702 km (0.099 R)
• M14: 8,279,943 km (0.114 R)
• M15: 8,671,441 km (0.098 R)
• M16: 9,109,314 km (0.12 R)
• M17: 10,663,486 km (0.097 R)
• M18: 11,888,393 km (0.112 R)
• M19: 13,204,555 km (0.086 R)
• M20: 18,002,608 km (0.077 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: 372 - 10,679 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit