🌌 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 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.37

Radius: 1.41

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 0.61 AU - 0.67 AU

Year: 331 Days

Day: 25.7 Hours

Environment

Temp: -127 °C

Axial Tilt: 7.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 44,461,575 km

• M1: 46,675 km (0.085 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 687.3

Radius: 10.7

Gravity: 6 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 0.65 AU - 1.03 AU

Year: 497 Days

Day: 7.1 Hours

Environment

Temp: -149 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 44,461,575 km

• M1: 133,142 km (0.108 R)
• M2: 571,015 km (0.11 R)
• M3: 932,144 km (0.113 R)
• M4: 1,279,211 km (0.1 R)
• M5: 1,722,021 km (0.116 R)
• M6: 2,069,986 km (0.091 R)
• M7: 2,645,938 km (0.112 R)
• M8: 3,045,364 km (0.106 R)
• M9: 3,560,280 km (0.11 R)
• M10: 3,967,036 km (0.061 R)
• M11: 4,331,906 km (0.054 R)
• M12: 4,719,214 km (0.116 R)
• M13: 5,310,575 km (0.069 R)
• M14: 5,755,030 km (0.115 R)
• M15: 6,205,768 km (0.066 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 156

Radius: 10.3

Gravity: 1.47 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 1.38 AU - 2.22 AU

Year: 1559 Days

Day: 13.7 Hours

Environment

Temp: -189 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 44,461,575 km

• M1: 130,898 km (0.054 R)
• M2: 495,468 km (0.094 R)
• M3: 1,774,530 km (0.074 R)
• M4: 2,246,362 km (0.092 R)
• M5: 3,526,171 km (0.095 R)
• M6: 3,970,776 km (0.092 R)
• M7: 4,749,882 km (0.111 R)
• M8: 6,631,524 km (0.055 R)
• M9: 7,964,740 km (0.065 R)
• M10: 8,454,972 km (0.071 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 369.5

Radius: 7.2

Gravity: 7.13 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 5.86 AU - 8.3 AU

Year: 12164 Days

Day: 21.1 Hours

Environment

Temp: -234 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 44,461,575 km

• M1: 89,609 km (0.077 R)
• M2: 357,090 km (0.105 R)
• M3: 629,358 km (0.088 R)
• M4: 924,664 km (0.06 R)
• M5: 2,125,487 km (0.055 R)
• M6: 3,691,776 km (0.117 R)
• M7: 5,406,317 km (0.046 R)
• M8: 5,906,573 km (0.038 R)
• M9: 6,510,350 km (0.091 R)
• M10: 7,716,258 km (0.115 R)
• M11: 8,350,254 km (0.067 R)
• M12: 8,702,407 km (0.069 R)
• M13: 8,927,403 km (0.1 R)
• M14: 10,161,136 km (0.113 R)
• M15: 10,613,520 km (0.12 R)
• M16: 12,730,629 km (0.082 R)
• M17: 14,414,054 km (0.051 R)
• M18: 15,179,098 km (0.095 R)
• M19: 16,928,944 km (0.118 R)
• M20: 18,884,038 km (0.039 R)
• M21: 19,110,081 km (0.089 R)
• M22: 21,390,252 km (0.064 R)
• M23: 22,722,869 km (0.1 R)
• M24: 24,914,628 km (0.114 R)
• M25: 29,917,330 km (0.072 R)
• M26: 31,581,756 km (0.06 R)
• M27: 33,526,977 km (0.104 R)
• M28: 35,550,737 km (0.078 R)
• M29: 38,494,524 km (0.039 R)
• M30: 41,724,492 km (0.119 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: 232 - 18,425 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit