🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1

Radius: 1

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 0.57 AU - 0.67 AU

Year: 181 Days

Day: 30.2 Hours

Environment

Temp: 150 °C

Axial Tilt: 45.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.03

Radius: 1.33

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 1.65 AU - 2.05 AU

Year: 933 Days

Day: 39.7 Hours

Environment

Temp: -69 °C

Axial Tilt: 31.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.85 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.41

Radius: 1.15

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 2.34 AU - 3.36 AU

Year: 1784 Days

Day: 45.4 Hours

Environment

Temp: -100 °C

Axial Tilt: 28.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.77 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 6.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 245.1

Radius: 13.6

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 6.68 AU - 6.7 AU

Year: 6417 Days

Day: 14.3 Hours

Environment

Temp: -149 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 32,790,572 km

• M1: 169,195 km (0.064 R)
• M2: 680,820 km (0.062 R)
• M3: 1,362,089 km (0.074 R)
• M4: 2,154,658 km (0.115 R)
• M5: 3,465,883 km (0.111 R)
• M6: 3,977,059 km (0.102 R)
• M7: 4,609,260 km (0.054 R)
• M8: 5,546,939 km (0.092 R)
• M9: 6,076,067 km (0.078 R)
• M10: 6,885,840 km (0.085 R)
• M11: 9,094,055 km (0.106 R)
• M12: 11,339,668 km (0.072 R)
• M13: 12,057,289 km (0.06 R)
• M14: 15,997,847 km (0.117 R)
• M15: 16,843,523 km (0.063 R)
• M16: 17,600,489 km (0.048 R)
• M17: 19,624,099 km (0.075 R)
• M18: 20,137,220 km (0.12 R)
• M19: 21,526,685 km (0.088 R)

Planet 5 - Gas Giant

Semi-Major Axis: 10.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 143.4

Radius: 8.5

Gravity: 1.98 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 9.02 AU - 11.7 AU

Year: 12366 Days

Day: 5.1 Hours

Environment

Temp: -181 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 32,790,572 km

• M1: 106,663 km (0.091 R)
• M2: 1,682,078 km (0.068 R)
• M3: 2,197,593 km (0.076 R)
• M4: 3,144,098 km (0.061 R)
• M5: 3,630,740 km (0.079 R)
• M6: 6,190,659 km (0.037 R)
• M7: 6,716,645 km (0.113 R)
• M8: 10,843,003 km (0.093 R)
• M9: 11,461,441 km (0.096 R)
• M10: 15,202,584 km (0.102 R)
• M11: 23,853,680 km (0.066 R)
• M12: 28,395,172 km (0.069 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 392 - 11,368 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit