🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.8 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.31

Radius: 1.61

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 0.65 AU - 0.95 AU

Year: 274 Days

Day: 17.9 Hours

Environment

Temp: 141 °C

Axial Tilt: 48.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.95

Radius: 1.54

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 1.58 AU - 1.78 AU

Year: 834 Days

Day: 35.8 Hours

Environment

Temp: -60 °C

Axial Tilt: 35.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.49

Radius: 1.44

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 1.36 AU - 2.06 AU

Year: 856 Days

Day: 47.6 Hours

Environment

Temp: -72 °C

Axial Tilt: 34.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 29,780,502 km

• M1: 41,439 km (0.08 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.77

Radius: 0.9

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 1.5 AU - 1.98 AU

Year: 879 Days

Day: 19.6 Hours

Environment

Temp: -79 °C

Axial Tilt: 27.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 29,780,502 km

• M1: 22,140 km (0.117 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.31 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.95

Radius: 1.31

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 2.05 AU - 2.57 AU

Year: 1344 Days

Day: 17.2 Hours

Environment

Temp: -96 °C

Axial Tilt: 32.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 7.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 273.2

Radius: 12.6

Gravity: 1.72 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 6.18 AU - 8.68 AU

Year: 7754 Days

Day: 6.9 Hours

Environment

Temp: -174 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 29,780,502 km

• M1: 156,779 km (0.075 R)
• M2: 720,613 km (0.105 R)
• M3: 1,982,471 km (0.073 R)
• M4: 2,767,112 km (0.111 R)
• M5: 3,578,231 km (0.094 R)
• M6: 4,718,466 km (0.111 R)
• M7: 5,166,512 km (0.076 R)
• M8: 5,877,102 km (0.056 R)
• M9: 8,712,131 km (0.061 R)
• M10: 11,445,733 km (0.118 R)
• M11: 15,041,468 km (0.117 R)
• M12: 15,438,051 km (0.099 R)
• M13: 16,790,865 km (0.088 R)
• M14: 18,157,442 km (0.102 R)
• M15: 18,607,432 km (0.098 R)
• M16: 20,138,716 km (0.093 R)
• M17: 20,621,019 km (0.076 R)
• M18: 21,111,102 km (0.077 R)
• M19: 22,480,371 km (0.119 R)
• M20: 23,678,650 km (0.119 R)
• M21: 25,315,550 km (0.106 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 513 - 14,436 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit