🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.51 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.02 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.87

Radius: 0.95

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 0.8 AU - 1.24 AU

Year: 362 Days

Day: 37.8 Hours

Environment

Temp: 138 °C

Axial Tilt: 47.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 30,617,891 km

• M1: 70,909 km (0.103 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.41 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.63

Radius: 1.85

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 1.4 AU - 1.42 AU

Year: 588 Days

Day: 29.8 Hours

Environment

Temp: 15 °C

Axial Tilt: 19.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.84

Radius: 1.88

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 1.37 AU - 1.87 AU

Year: 725 Days

Day: 46.8 Hours

Environment

Temp: -21 °C

Axial Tilt: 31.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 4.75 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.28

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 4.19 AU - 5.31 AU

Year: 3638 Days

Day: 17 Hours

Environment

Temp: -131 °C

Axial Tilt: 36.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 30,617,891 km

• M1: 850,015 km (0.052 R)
• M2: 971,339 km (0.11 R)

Asteroid Belt

Center: 5.89 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 7.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 416

Radius: 10.2

Gravity: 4 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 6.97 AU - 7.09 AU

Year: 6551 Days

Day: 8.7 Hours

Environment

Temp: -153 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 30,617,891 km

• M1: 127,158 km (0.065 R)
• M2: 464,950 km (0.095 R)
• M3: 832,662 km (0.034 R)
• M4: 1,183,170 km (0.056 R)
• M5: 1,514,230 km (0.07 R)
• M6: 1,839,904 km (0.113 R)
• M7: 2,369,780 km (0.105 R)
• M8: 3,714,066 km (0.054 R)
• M9: 4,389,501 km (0.078 R)
• M10: 5,424,419 km (0.036 R)
• M11: 6,745,966 km (0.101 R)
• M12: 7,751,114 km (0.114 R)
• M13: 10,810,989 km (0.105 R)
• M14: 11,460,244 km (0.066 R)
• M15: 11,794,446 km (0.119 R)
• M16: 12,135,230 km (0.09 R)
• M17: 12,633,391 km (0.081 R)
• M18: 13,093,404 km (0.108 R)
• M19: 14,708,014 km (0.099 R)
• M20: 17,123,870 km (0.105 R)
• M21: 19,792,696 km (0.112 R)
• M22: 20,413,677 km (0.112 R)
• M23: 22,059,702 km (0.045 R)
• M24: 22,652,558 km (0.111 R)
• M25: 23,028,348 km (0.048 R)
• M26: 24,494,707 km (0.103 R)
• M27: 25,050,313 km (0.118 R)
• M28: 26,104,380 km (0.041 R)
• M29: 29,533,312 km (0.075 R)

Kuiper Belt

Range: 31.2 - 49.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 394 - 17,660 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit