🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.75

Radius: 1.86

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 0.57 AU - 0.57 AU

Year: 278 Days

Day: 47.5 Hours

Environment

Temp: -115 °C

Axial Tilt: 5.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 558.1

Radius: 9.5

Gravity: 6.18 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 0.72 AU - 0.82 AU

Year: 436 Days

Day: 13.7 Hours

Environment

Temp: -150 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 18,517,095 km

• M1: 118,182 km (0.065 R)
• M2: 486,941 km (0.08 R)
• M3: 963,709 km (0.047 R)
• M4: 1,261,858 km (0.082 R)
• M5: 1,679,236 km (0.089 R)
• M6: 2,318,468 km (0.073 R)
• M7: 2,856,721 km (0.105 R)
• M8: 3,156,066 km (0.094 R)
• M9: 3,559,831 km (0.07 R)
• M10: 4,291,514 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 175.3

Radius: 14.5

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 0.75 AU - 0.81 AU

Year: 445 Days

Day: 12.7 Hours

Environment

Temp: -146 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 18,517,095 km

• M1: 180,864 km (0.11 R)
• M2: 638,035 km (0.12 R)
• M3: 1,217,278 km (0.092 R)
• M4: 1,771,837 km (0.078 R)
• M5: 2,224,221 km (0.054 R)
• M6: 2,755,144 km (0.041 R)
• M7: 3,350,693 km (0.12 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 32.8

Radius: 6.8

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 5.95 AU - 7.27 AU

Year: 10973 Days

Day: 20.1 Hours

Environment

Temp: -221 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 18,517,095 km

• M1: 86,468 km (0.106 R)
• M2: 874,848 km (0.102 R)
• M3: 6,061,107 km (0.098 R)
• M4: 6,709,614 km (0.11 R)
• M5: 10,322,253 km (0.111 R)
• M6: 11,404,444 km (0.083 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 512 - 16,639 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit