🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.4

Radius: 0.69

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 0.55 AU - 0.67 AU

Year: 308 Days

Day: 13.8 Hours

Environment

Temp: -128 °C

Axial Tilt: 24.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 630.4

Radius: 10.2

Gravity: 6.06 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 0.95 AU - 1.03 AU

Year: 636 Days

Day: 12.7 Hours

Environment

Temp: -163 °C

Axial Tilt: 44 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 16,115,916 km

• M1: 127,009 km (0.095 R)
• M2: 481,855 km (0.084 R)
• M3: 837,598 km (0.045 R)
• M4: 1,486,255 km (0.111 R)
• M5: 1,808,788 km (0.102 R)
• M6: 2,254,889 km (0.082 R)
• M7: 2,707,273 km (0.05 R)
• M8: 3,085,755 km (0.065 R)
• M9: 3,552,201 km (0.095 R)
• M10: 3,907,646 km (0.064 R)
• M11: 4,227,037 km (0.088 R)
• M12: 4,563,932 km (0.094 R)
• M13: 5,018,560 km (0.087 R)
• M14: 5,450,000 km (0.05 R)
• M15: 6,153,110 km (0.053 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 65.8

Radius: 13.3

Gravity: 0.37 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 1.48 AU - 1.84 AU

Year: 1381 Days

Day: 9.5 Hours

Environment

Temp: -190 °C

Axial Tilt: 44.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 16,115,916 km

• M1: 165,455 km (0.109 R)
• M2: 641,027 km (0.117 R)
• M3: 1,237,623 km (0.119 R)
• M4: 1,723,367 km (0.112 R)
• M5: 2,550,644 km (0.063 R)
• M6: 3,905,701 km (0.027 R)
• M7: 5,351,116 km (0.029 R)

Asteroid Belt

Center: 2.47 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 3.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 178.6

Radius: 10.1

Gravity: 1.75 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 3.03 AU - 3.51 AU

Year: 3818 Days

Day: 13.3 Hours

Environment

Temp: -206 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 16,115,916 km

• M1: 126,859 km (0.082 R)
• M2: 450,888 km (0.094 R)
• M3: 765,193 km (0.096 R)
• M4: 1,327,232 km (0.073 R)
• M5: 1,733,391 km (0.072 R)
• M6: 2,053,231 km (0.058 R)
• M7: 3,426,390 km (0.038 R)
• M8: 4,048,268 km (0.079 R)
• M9: 4,496,762 km (0.049 R)
• M10: 5,065,234 km (0.076 R)
• M11: 6,980,087 km (0.049 R)
• M12: 7,890,240 km (0.068 R)
• M13: 8,529,472 km (0.112 R)
• M14: 10,367,432 km (0.098 R)
• M15: 12,699,214 km (0.072 R)
• M16: 14,184,571 km (0.103 R)
• M17: 15,688,030 km (0.069 R)
• M18: 16,068,008 km (0.113 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: 408 - 18,417 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit