🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.96 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.44

Radius: 1.43

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 0.87 AU - 1.05 AU

Year: 347 Days

Day: 45.3 Hours

Environment

Temp: 20 °C

Axial Tilt: 49.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.95

Radius: 1.9

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 1.45 AU - 1.85 AU

Year: 782 Days

Day: 24.6 Hours

Environment

Temp: -51 °C

Axial Tilt: 12.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 31,728,138 km

• M1: 244,443 km (0.081 R)

Planet 3 - Terrestrial

Semi-Major Axis: 3.41 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.91

Radius: 0.96

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 3.14 AU - 3.68 AU

Year: 2323 Days

Day: 12.4 Hours

Environment

Temp: -123 °C

Axial Tilt: 11 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 4.18 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.99

Radius: 1.74

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 3.78 AU - 4.58 AU

Year: 3153 Days

Day: 30 Hours

Environment

Temp: -128 °C

Axial Tilt: 10.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.48 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.36

Radius: 0.66

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 3.91 AU - 5.05 AU

Year: 3499 Days

Day: 36.1 Hours

Environment

Temp: -144 °C

Axial Tilt: 28.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 5.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 759.7

Radius: 12

Gravity: 5.28 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 5.74 AU - 5.8 AU

Year: 5114 Days

Day: 14.2 Hours

Environment

Temp: -142 °C

Axial Tilt: 45.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 31,728,138 km

• M1: 149,299 km (0.118 R)
• M2: 777,759 km (0.108 R)
• M3: 1,284,148 km (0.067 R)
• M4: 1,923,380 km (0.059 R)
• M5: 2,660,000 km (0.1 R)
• M6: 3,619,820 km (0.1 R)
• M7: 4,216,266 km (0.097 R)
• M8: 4,771,274 km (0.074 R)
• M9: 5,403,176 km (0.104 R)
• M10: 6,569,142 km (0.07 R)
• M11: 6,970,214 km (0.118 R)
• M12: 7,602,713 km (0.065 R)
• M13: 8,007,974 km (0.107 R)
• M14: 8,427,446 km (0.079 R)
• M15: 9,104,826 km (0.108 R)
• M16: 10,523,163 km (0.057 R)
• M17: 11,073,833 km (0.118 R)
• M18: 11,692,121 km (0.111 R)
• M19: 12,283,182 km (0.07 R)
• M20: 13,524,994 km (0.107 R)
• M21: 14,121,291 km (0.097 R)
• M22: 14,791,938 km (0.117 R)
• M23: 15,308,649 km (0.093 R)
• M24: 16,561,382 km (0.115 R)
• M25: 20,235,206 km (0.097 R)
• M26: 22,637,299 km (0.072 R)
• M27: 29,328,513 km (0.079 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: 458 - 10,770 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit