🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 125.3

Radius: 9.4

Gravity: 1.42 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 0.46 AU - 0.74 AU

Year: 315 Days

Day: 12.3 Hours

Environment

Temp: -153 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 54,768,015 km

• M1: 116,836 km (0.083 R)
• M2: 418,874 km (0.085 R)
• M3: 712,535 km (0.117 R)
• M4: 1,008,140 km (0.114 R)
• M5: 1,317,060 km (0.045 R)
• M6: 1,887,626 km (0.075 R)
• M7: 2,337,616 km (0.117 R)
• M8: 2,715,201 km (0.06 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 165.5

Radius: 8.2

Gravity: 2.46 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 0.68 AU - 0.96 AU

Year: 504 Days

Day: 9.3 Hours

Environment

Temp: -161 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 54,768,015 km

• M1: 102,026 km (0.119 R)
• M2: 604,076 km (0.115 R)
• M3: 900,729 km (0.073 R)
• M4: 2,421,242 km (0.092 R)
• M5: 2,995,697 km (0.087 R)
• M6: 3,388,392 km (0.069 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 68.2

Radius: 8.3

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 0.96 AU - 1.04 AU

Year: 678 Days

Day: 9.7 Hours

Environment

Temp: -178 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 54,768,015 km

• M1: 103,372 km (0.117 R)
• M2: 369,357 km (0.085 R)
• M3: 656,286 km (0.091 R)
• M4: 1,094,159 km (0.092 R)
• M5: 1,367,025 km (0.093 R)
• M6: 1,955,992 km (0.096 R)
• M7: 2,301,114 km (0.093 R)
• M8: 2,584,303 km (0.117 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 927.5

Radius: 5.4

Gravity: 31.81 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 5.15 AU - 7.27 AU

Year: 10496 Days

Day: 17.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 54,768,015 km

• M1: 67,169 km (0.037 R)
• M2: 331,210 km (0.08 R)
• M3: 698,622 km (0.12 R)
• M4: 1,619,098 km (0.096 R)
• M5: 2,619,309 km (0.115 R)
• M6: 3,674,124 km (0.095 R)
• M7: 4,355,841 km (0.051 R)
• M8: 4,758,708 km (0.119 R)
• M9: 5,185,810 km (0.117 R)
• M10: 7,238,293 km (0.081 R)
• M11: 8,073,348 km (0.111 R)
• M12: 8,632,844 km (0.11 R)
• M13: 9,776,819 km (0.102 R)
• M14: 16,153,578 km (0.105 R)
• M15: 16,372,290 km (0.05 R)
• M16: 19,316,227 km (0.107 R)
• M17: 20,912,436 km (0.073 R)
• M18: 22,054,017 km (0.116 R)
• M19: 24,845,813 km (0.062 R)
• M20: 27,448,517 km (0.104 R)
• M21: 28,179,153 km (0.106 R)
• M22: 30,117,193 km (0.068 R)
• M23: 35,225,362 km (0.108 R)
• M24: 37,217,257 km (0.103 R)
• M25: 38,370,208 km (0.102 R)
• M26: 41,424,249 km (0.069 R)
• M27: 42,246,738 km (0.113 R)
• M28: 44,350,682 km (0.098 R)
• M29: 44,923,343 km (0.119 R)
• M30: 46,966,252 km (0.079 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 486 - 20,361 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit