🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.33

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 0.5 AU - 0.62 AU

Year: 271 Days

Day: 13.1 Hours

Environment

Temp: -125 °C

Axial Tilt: 36.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 0.82 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 467.4

Radius: 12.3

Gravity: 3.09 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 1.05 AU - 1.09 AU

Year: 715 Days

Day: 6.5 Hours

Environment

Temp: -165 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 22,607,864 km

• M1: 154,385 km (0.05 R)
• M2: 568,472 km (0.11 R)
• M3: 1,069,176 km (0.038 R)
• M4: 1,548,188 km (0.098 R)
• M5: 2,198,191 km (0.036 R)
• M6: 2,786,260 km (0.097 R)
• M7: 3,275,894 km (0.112 R)
• M8: 4,235,415 km (0.034 R)
• M9: 5,373,855 km (0.075 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 508.3

Radius: 15

Gravity: 2.26 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 3.69 AU - 4.99 AU

Year: 5838 Days

Day: 10.6 Hours

Environment

Temp: -205 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 22,607,864 km

• M1: 186,549 km (0.087 R)
• M2: 1,119,142 km (0.094 R)
• M3: 1,865,785 km (0.101 R)
• M4: 2,355,269 km (0.114 R)
• M5: 3,354,283 km (0.086 R)
• M6: 5,036,362 km (0.086 R)
• M7: 5,533,924 km (0.087 R)
• M8: 17,411,696 km (0.105 R)
• M9: 22,001,658 km (0.102 R)
• M10: 26,507,546 km (0.085 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 239.2

Radius: 10.6

Gravity: 2.13 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 4.97 AU - 6.85 AU

Year: 9277 Days

Day: 12.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 22,607,864 km

• M1: 131,945 km (0.118 R)
• M2: 467,643 km (0.115 R)
• M3: 818,749 km (0.087 R)
• M4: 2,433,658 km (0.108 R)
• M5: 3,494,008 km (0.115 R)
• M6: 4,473,874 km (0.036 R)
• M7: 5,279,309 km (0.07 R)
• M8: 8,318,838 km (0.109 R)
• M9: 9,034,963 km (0.054 R)
• M10: 9,577,256 km (0.113 R)
• M11: 10,819,367 km (0.058 R)
• M12: 13,299,849 km (0.084 R)
• M13: 17,504,746 km (0.118 R)
• M14: 23,208,763 km (0.085 R)
• M15: 23,910,377 km (0.119 R)
• M16: 27,029,642 km (0.101 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 39.9

Radius: 5.9

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 7.36 AU - 7.76 AU

Year: 13421 Days

Day: 15.3 Hours

Environment

Temp: -224 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 22,607,864 km

• M1: 73,453 km (0.104 R)
• M2: 285,134 km (0.075 R)
• M3: 516,861 km (0.117 R)
• M4: 738,265 km (0.047 R)
• M5: 1,196,334 km (0.091 R)
• M6: 1,504,805 km (0.054 R)
• M7: 1,915,451 km (0.095 R)
• M8: 2,413,014 km (0.063 R)
• M9: 3,205,434 km (0.114 R)
• M10: 6,850,984 km (0.057 R)
• M11: 7,540,780 km (0.104 R)
• M12: 9,618,245 km (0.044 R)
• M13: 13,239,711 km (0.041 R)
• M14: 15,640,308 km (0.107 R)
• M15: 18,199,179 km (0.074 R)
• M16: 20,386,599 km (0.112 R)
• M17: 21,872,405 km (0.059 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 389 - 13,966 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit