🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.92

Radius: 0.97

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 0.52 AU - 0.74 AU

Year: 323 Days

Day: 27.3 Hours

Environment

Temp: -127 °C

Axial Tilt: 10.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.53

Radius: 1.45

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 0.59 AU - 0.69 AU

Year: 331 Days

Day: 39.5 Hours

Environment

Temp: -129 °C

Axial Tilt: 1.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 544.3

Radius: 8.1

Gravity: 8.3 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 0.58 AU - 0.86 AU

Year: 394 Days

Day: 6.1 Hours

Environment

Temp: -137 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 5,144,684 km

• M1: 100,829 km (0.09 R)
• M2: 402,269 km (0.07 R)
• M3: 773,720 km (0.116 R)
• M4: 1,044,642 km (0.031 R)
• M5: 1,332,169 km (0.079 R)
• M6: 1,584,092 km (0.08 R)
• M7: 1,853,218 km (0.099 R)
• M8: 2,457,743 km (0.067 R)
• M9: 2,902,199 km (0.1 R)
• M10: 3,502,984 km (0.093 R)
• M11: 3,827,013 km (0.035 R)
• M12: 4,480,157 km (0.071 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: 327 - 13,500 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit