🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.24

Radius: 1.09

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 0.47 AU - 0.69 AU

Year: 285 Days

Day: 32.9 Hours

Environment

Temp: -135 °C

Axial Tilt: 8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.84

Radius: 1.88

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 0.65 AU - 0.69 AU

Year: 354 Days

Day: 46.1 Hours

Environment

Temp: -141 °C

Axial Tilt: 26.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 38,143,610 km

• M1: 826,229 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 446.2

Radius: 14.6

Gravity: 2.09 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 0.58 AU - 0.86 AU

Year: 394 Days

Day: 9.4 Hours

Environment

Temp: -134 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 38,143,610 km

• M1: 181,612 km (0.057 R)
• M2: 764,146 km (0.119 R)
• M3: 1,407,566 km (0.089 R)
• M4: 2,043,956 km (0.114 R)
• M5: 2,717,595 km (0.102 R)
• M6: 3,222,189 km (0.071 R)
• M7: 3,801,282 km (0.108 R)
• M8: 4,801,044 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 285.7

Radius: 14

Gravity: 1.46 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 0.76 AU - 0.78 AU

Year: 436 Days

Day: 8.3 Hours

Environment

Temp: -147 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 38,143,610 km

• M1: 174,730 km (0.091 R)
• M2: 631,153 km (0.088 R)
• M3: 1,076,805 km (0.056 R)
• M4: 1,687,464 km (0.08 R)
• M5: 2,568,446 km (0.042 R)
• M6: 3,030,703 km (0.054 R)
• M7: 3,483,686 km (0.08 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 613.3

Radius: 11

Gravity: 5.07 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 4.59 AU - 5.67 AU

Year: 7502 Days

Day: 10.4 Hours

Environment

Temp: -217 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 38,143,610 km

• M1: 137,780 km (0.112 R)
• M2: 558,299 km (0.086 R)
• M3: 1,162,974 km (0.091 R)
• M4: 2,046,349 km (0.113 R)
• M5: 3,265,273 km (0.074 R)
• M6: 3,958,210 km (0.112 R)
• M7: 4,339,984 km (0.036 R)
• M8: 4,690,940 km (0.096 R)
• M9: 5,178,480 km (0.087 R)
• M10: 6,022,361 km (0.082 R)
• M11: 6,811,341 km (0.095 R)
• M12: 7,175,462 km (0.037 R)
• M13: 8,637,033 km (0.081 R)
• M14: 10,193,749 km (0.113 R)
• M15: 11,113,327 km (0.119 R)
• M16: 11,619,117 km (0.039 R)
• M17: 12,299,488 km (0.096 R)
• M18: 13,006,188 km (0.071 R)
• M19: 13,568,078 km (0.112 R)
• M20: 14,381,890 km (0.085 R)
• M21: 16,043,025 km (0.098 R)
• M22: 18,173,000 km (0.099 R)
• M23: 18,592,472 km (0.052 R)
• M24: 19,378,160 km (0.113 R)
• M25: 20,410,086 km (0.094 R)
• M26: 24,059,078 km (0.112 R)
• M27: 26,481,366 km (0.12 R)
• M28: 31,503,516 km (0.108 R)
• M29: 36,237,990 km (0.111 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: 197 - 15,042 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit