🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.33

Radius: 1.12

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 0.63 AU - 0.71 AU

Year: 195 Days

Day: 17.6 Hours

Environment

Temp: 152 °C

Axial Tilt: 11.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 29,041,846 km

• M1: 64,327 km (0.118 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.08 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.37

Radius: 1.63

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 0.87 AU - 1.29 AU

Year: 400 Days

Day: 37.4 Hours

Environment

Temp: 40 °C

Axial Tilt: 5.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 29,041,846 km

• M1: 555,906 km (0.106 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.74

Radius: 1.86

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 1.25 AU - 1.81 AU

Year: 675 Days

Day: 24.5 Hours

Environment

Temp: -19 °C

Axial Tilt: 17.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.46

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 1.83 AU - 2.15 AU

Year: 1001 Days

Day: 44.7 Hours

Environment

Temp: -63 °C

Axial Tilt: 45 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.67

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 2.28 AU - 2.36 AU

Year: 1260 Days

Day: 19.1 Hours

Environment

Temp: -71 °C

Axial Tilt: 35.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 29,041,846 km

• M1: 1,726,060 km (0.087 R)

Planet 6 - Terrestrial

Semi-Major Axis: 3.1 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.25

Radius: 0.57

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 2.5 AU - 3.7 AU

Year: 1946 Days

Day: 45.8 Hours

Environment

Temp: -100 °C

Axial Tilt: 9.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Gas Giant

Semi-Major Axis: 9.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 163.4

Radius: 11.9

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 8.28 AU - 9.76 AU

Year: 9656 Days

Day: 14.3 Hours

Environment

Temp: -156 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 29,041,846 km

• M1: 153,936 km (0.118 R)
• M2: 1,234,332 km (0.114 R)
• M3: 2,642,946 km (0.087 R)
• M4: 3,034,443 km (0.047 R)
• M5: 3,610,096 km (0.106 R)
• M6: 5,249,389 km (0.116 R)
• M7: 5,932,603 km (0.09 R)
• M8: 7,168,281 km (0.057 R)
• M9: 7,651,482 km (0.099 R)
• M10: 8,645,111 km (0.086 R)
• M11: 11,250,209 km (0.077 R)
• M12: 18,018,016 km (0.087 R)
• M13: 18,783,808 km (0.08 R)
• M14: 24,609,299 km (0.088 R)
• M15: 28,439,303 km (0.063 R)
• M16: 28,868,799 km (0.09 R)

Kuiper Belt

Range: 30.8 - 47.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 424 - 14,334 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit