🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.95

Radius: 1.9

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 0.43 AU - 0.59 AU

Year: 140 Days

Day: 35.9 Hours

Environment

Temp: 175 °C

Axial Tilt: 32.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.45

Radius: 1.43

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 0.6 AU - 0.86 AU

Year: 240 Days

Day: 14.1 Hours

Environment

Temp: 168 °C

Axial Tilt: 1.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.96

Radius: 1.9

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 1.54 AU - 1.74 AU

Year: 809 Days

Day: 13.4 Hours

Environment

Temp: -58 °C

Axial Tilt: 19.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.2 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 4.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 521.5

Radius: 15

Gravity: 2.32 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 3.88 AU - 5.62 AU

Year: 3986 Days

Day: 11.9 Hours

Environment

Temp: -147 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 11,320,268 km

• M1: 186,698 km (0.078 R)
• M2: 719,566 km (0.105 R)
• M3: 1,368,222 km (0.112 R)
• M4: 1,855,313 km (0.111 R)
• M5: 5,630,265 km (0.107 R)
• M6: 7,548,709 km (0.117 R)
• M7: 10,632,968 km (0.112 R)
• M8: 12,137,623 km (0.1 R)
• M9: 14,629,475 km (0.112 R)
• M10: 17,046,827 km (0.096 R)
• M11: 18,439,882 km (0.102 R)
• M12: 20,799,190 km (0.103 R)
• M13: 21,716,973 km (0.067 R)
• M14: 22,525,251 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 24

Radius: 9

Gravity: 0.3 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 5.03 AU - 7.63 AU

Year: 6132 Days

Day: 8.5 Hours

Environment

Temp: -168 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 11,320,268 km

• M1: 112,049 km (0.063 R)
• M2: 1,351,467 km (0.116 R)
• M3: 2,038,421 km (0.119 R)
• M4: 2,995,398 km (0.051 R)
• M5: 3,989,476 km (0.074 R)
• M6: 5,012,725 km (0.095 R)
• M7: 6,002,615 km (0.087 R)
• M8: 6,543,860 km (0.072 R)
• M9: 7,092,884 km (0.08 R)
• M10: 8,282,785 km (0.045 R)
• M11: 9,156,586 km (0.064 R)
• M12: 9,630,961 km (0.085 R)
• M13: 9,935,692 km (0.12 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 150 - 11,545 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit