🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.88

Radius: 1.29

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 0.43 AU - 0.63 AU

Year: 137 Days

Day: 24.9 Hours

Environment

Temp: 270 °C

Axial Tilt: 23.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.69 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.67

Radius: 1.68

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 0.64 AU - 0.74 AU

Year: 203 Days

Day: 35.6 Hours

Environment

Temp: 131 °C

Axial Tilt: 37.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.06 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.94

Radius: 0.98

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 0.93 AU - 1.19 AU

Year: 387 Days

Day: 40.7 Hours

Environment

Temp: 36 °C

Axial Tilt: 37.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Asteroid Belt

Center: 6.17 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 11.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 976.8

Radius: 11.8

Gravity: 7.02 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 9.24 AU - 13.32 AU

Year: 13440 Days

Day: 5.4 Hours

Environment

Temp: -177 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 32,983,077 km

• M1: 148,850 km (0.042 R)
• M2: 582,385 km (0.116 R)
• M3: 954,883 km (0.06 R)
• M4: 1,437,187 km (0.117 R)
• M5: 1,899,145 km (0.046 R)
• M6: 2,439,044 km (0.096 R)
• M7: 2,981,785 km (0.047 R)
• M8: 3,361,015 km (0.088 R)
• M9: 3,772,559 km (0.12 R)
• M10: 4,405,807 km (0.112 R)
• M11: 5,108,767 km (0.104 R)
• M12: 8,050,161 km (0.059 R)
• M13: 9,206,253 km (0.063 R)
• M14: 11,173,615 km (0.118 R)
• M15: 19,776,390 km (0.116 R)
• M16: 22,060,300 km (0.03 R)
• M17: 22,537,368 km (0.112 R)
• M18: 26,391,159 km (0.04 R)
• M19: 29,267,926 km (0.071 R)
• M20: 31,618,408 km (0.079 R)
• M21: 32,225,177 km (0.098 R)
• M22: 32,963,592 km (0.098 R)
• M23: 33,462,052 km (0.099 R)
• M24: 34,474,081 km (0.041 R)
• M25: 41,123,108 km (0.068 R)
• M26: 46,990,038 km (0.077 R)
• M27: 54,252,416 km (0.12 R)
• M28: 61,850,641 km (0.098 R)
• M29: 62,419,113 km (0.059 R)

Planet 5 - Gas Giant

Semi-Major Axis: 12.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 82.8

Radius: 10

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 10.23 AU - 15.55 AU

Year: 16418 Days

Day: 11.2 Hours

Environment

Temp: -190 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 32,983,077 km

• M1: 150,795 km (0.098 R)
• M2: 607,517 km (0.091 R)
• M3: 1,294,470 km (0.065 R)
• M4: 1,927,419 km (0.119 R)
• M5: 2,405,683 km (0.034 R)
• M6: 2,829,045 km (0.119 R)
• M7: 3,557,737 km (0.089 R)
• M8: 4,331,008 km (0.11 R)
• M9: 7,151,077 km (0.111 R)
• M10: 9,787,441 km (0.1 R)
• M11: 11,835,286 km (0.044 R)
• M12: 13,012,322 km (0.074 R)
• M13: 13,876,100 km (0.119 R)
• M14: 16,141,161 km (0.113 R)
• M15: 17,522,249 km (0.077 R)
• M16: 19,048,746 km (0.095 R)
• M17: 28,924,000 km (0.091 R)

Kuiper Belt

Range: 30.9 - 58.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 439 - 20,145 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit