🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.32

Radius: 1.62

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 0.53 AU - 0.65 AU

Year: 163 Days

Day: 25 Hours

Environment

Temp: 244 °C

Axial Tilt: 16.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 23,666,514 km

• M1: 206,744 km (0.114 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.72

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 0.63 AU - 0.71 AU

Year: 197 Days

Day: 42.1 Hours

Environment

Temp: 154 °C

Axial Tilt: 4.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 4.88 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.33

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 4.23 AU - 5.53 AU

Year: 3880 Days

Day: 27.8 Hours

Environment

Temp: -139 °C

Axial Tilt: 42.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 5.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 336.6

Radius: 12

Gravity: 2.34 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 5.69 AU - 5.79 AU

Year: 4949 Days

Day: 7.8 Hours

Environment

Temp: -144 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (69)

Outer Limit: 23,666,514 km

• M1: 151,393 km (0.113 R)
• M2: 486,193 km (0.11 R)
• M3: 584,778 km (0.066 R)
• M4: 742,305 km (0.119 R)
• M5: 870,660 km (0.099 R)
• M6: 1,042,548 km (0.088 R)
• M7: 2,252,645 km (0.115 R)
• M8: 2,592,531 km (0.084 R)
• M9: 2,794,189 km (0.084 R)
• M10: 2,966,227 km (0.037 R)
• M11: 3,375,526 km (0.083 R)
• M12: 3,485,331 km (0.042 R)
• M13: 3,614,883 km (0.101 R)
• M14: 3,898,221 km (0.096 R)
• M15: 3,994,263 km (0.051 R)
• M16: 4,366,463 km (0.111 R)
• M17: 4,587,120 km (0.025 R)
• M18: 4,688,696 km (0.087 R)
• M19: 5,144,521 km (0.072 R)
• M20: 5,335,109 km (0.112 R)
• M21: 5,549,782 km (0.1 R)
• M22: 5,723,465 km (0.083 R)
• M23: 5,832,971 km (0.109 R)
• M24: 6,188,116 km (0.083 R)
• M25: 6,345,792 km (0.102 R)
• M26: 6,459,187 km (0.088 R)
• M27: 6,550,442 km (0.118 R)
• M28: 6,826,749 km (0.074 R)
• M29: 6,989,661 km (0.115 R)
• M30: 7,130,433 km (0.078 R)
• M31: 7,248,316 km (0.086 R)
• M32: 7,367,097 km (0.106 R)
• M33: 7,799,584 km (0.118 R)
• M34: 8,043,429 km (0.093 R)
• M35: 9,069,670 km (0.096 R)
• M36: 9,223,307 km (0.059 R)
• M37: 9,403,573 km (0.069 R)
• M38: 9,689,454 km (0.117 R)
• M39: 9,899,041 km (0.087 R)
• M40: 10,004,507 km (0.077 R)
• M41: 10,269,744 km (0.064 R)
• M42: 10,537,225 km (0.076 R)
• M43: 11,188,574 km (0.065 R)
• M44: 11,436,159 km (0.066 R)
• M45: 12,644,461 km (0.117 R)
• M46: 12,902,517 km (0.114 R)
• M47: 13,133,197 km (0.095 R)
• M48: 13,775,122 km (0.11 R)
• M49: 13,863,384 km (0.066 R)
• M50: 14,011,037 km (0.089 R)
• M51: 14,188,909 km (0.034 R)
• M52: 14,397,299 km (0.064 R)
• M53: 14,636,805 km (0.103 R)
• M54: 14,907,727 km (0.059 R)
• M55: 14,998,533 km (0.067 R)
• M56: 15,302,067 km (0.078 R)
• M57: 15,699,997 km (0.105 R)
• M58: 18,709,009 km (0.05 R)
• M59: 19,068,792 km (0.105 R)
• M60: 19,861,660 km (0.033 R)
• M61: 20,061,523 km (0.115 R)
• M62: 20,497,003 km (0.095 R)
• M63: 21,274,912 km (0.114 R)
• M64: 21,547,778 km (0.084 R)
• M65: 22,304,295 km (0.112 R)
• M66: 22,581,499 km (0.039 R)
• M67: 23,139,350 km (0.109 R)
• M68: 23,244,517 km (0.085 R)
• M69: 23,560,767 km (0.12 R)

Kuiper Belt

Range: 30.5 - 47.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 309 - 16,840 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit