🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 25.4

Radius: 8.9

Gravity: 0.32 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 0.65 AU - 0.77 AU

Year: 413 Days

Day: 5.6 Hours

Environment

Temp: -153 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 13,496,136 km

• M1: 114,442 km (0.058 R)
• M2: 730,337 km (0.111 R)
• M3: 1,146,817 km (0.114 R)
• M4: 1,835,117 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 305.8

Radius: 9.7

Gravity: 3.25 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 0.66 AU - 0.84 AU

Year: 448 Days

Day: 12.6 Hours

Environment

Temp: -154 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 13,496,136 km

• M1: 120,576 km (0.094 R)
• M2: 442,511 km (0.089 R)
• M3: 746,493 km (0.114 R)
• M4: 1,188,555 km (0.091 R)
• M5: 1,555,219 km (0.084 R)
• M6: 1,872,217 km (0.1 R)
• M7: 2,176,200 km (0.085 R)
• M8: 2,495,891 km (0.105 R)
• M9: 3,065,260 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 670.9

Radius: 14.4

Gravity: 3.24 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 0.83 AU - 1.05 AU

Year: 629 Days

Day: 10.7 Hours

Environment

Temp: -172 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 13,496,136 km

• M1: 179,667 km (0.065 R)
• M2: 670,946 km (0.091 R)
• M3: 1,254,827 km (0.083 R)
• M4: 1,863,989 km (0.057 R)
• M5: 2,521,023 km (0.108 R)
• M6: 3,418,461 km (0.039 R)
• M7: 3,942,353 km (0.065 R)
• M8: 4,489,133 km (0.105 R)
• M9: 5,137,041 km (0.094 R)
• M10: 5,645,375 km (0.081 R)
• M11: 6,323,203 km (0.084 R)
• M12: 7,267,913 km (0.068 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 706.9

Radius: 14.8

Gravity: 3.23 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 0.74 AU - 1.18 AU

Year: 649 Days

Day: 11.2 Hours

Environment

Temp: -179 °C

Axial Tilt: 68.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 13,496,136 km

• M1: 184,005 km (0.112 R)
• M2: 691,591 km (0.079 R)
• M3: 1,277,117 km (0.059 R)
• M4: 1,944,024 km (0.109 R)
• M5: 2,430,965 km (0.114 R)
• M6: 3,083,661 km (0.088 R)
• M7: 3,851,996 km (0.094 R)
• M8: 5,337,802 km (0.093 R)
• M9: 5,903,880 km (0.104 R)
• M10: 6,489,855 km (0.118 R)
• M11: 7,597,777 km (0.088 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 446.4

Radius: 8.4

Gravity: 6.33 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 1.64 AU - 2.22 AU

Year: 1851 Days

Day: 5.7 Hours

Environment

Temp: -202 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 13,496,136 km

• M1: 117,434 km (0.036 R)
• M2: 507,286 km (0.109 R)
• M3: 923,468 km (0.069 R)
• M4: 1,276,668 km (0.07 R)
• M5: 1,539,661 km (0.117 R)
• M6: 2,744,523 km (0.065 R)
• M7: 4,096,289 km (0.103 R)
• M8: 4,389,950 km (0.118 R)
• M9: 4,857,144 km (0.039 R)
• M10: 5,443,567 km (0.115 R)
• M11: 6,935,357 km (0.046 R)
• M12: 8,127,054 km (0.098 R)
• M13: 8,831,959 km (0.095 R)
• M14: 9,324,136 km (0.093 R)
• M15: 9,965,013 km (0.081 R)
• M16: 10,703,279 km (0.116 R)
• M17: 12,440,409 km (0.091 R)
• M18: 12,941,562 km (0.114 R)
• M19: 13,216,822 km (0.12 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 304 - 20,241 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit