🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.72

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 0.4 AU - 0.6 AU

Year: 228 Days

Day: 45.8 Hours

Environment

Temp: -105 °C

Axial Tilt: 29 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 30,463,593 km

• M1: 43,982 km (0.09 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.89

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 0.44 AU - 0.58 AU

Year: 235 Days

Day: 21.7 Hours

Environment

Temp: -110 °C

Axial Tilt: 16.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 917.4

Radius: 10.7

Gravity: 8.01 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 0.83 AU - 0.95 AU

Year: 542 Days

Day: 6.3 Hours

Environment

Temp: -154 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 30,463,593 km

• M1: 136,882 km (0.081 R)
• M2: 591,360 km (0.098 R)
• M3: 960,418 km (0.091 R)
• M4: 1,404,126 km (0.046 R)
• M5: 1,930,860 km (0.064 R)
• M6: 2,533,290 km (0.117 R)
• M7: 2,919,702 km (0.06 R)
• M8: 3,345,607 km (0.089 R)
• M9: 4,524,139 km (0.106 R)
• M10: 5,847,482 km (0.073 R)
• M11: 6,190,958 km (0.045 R)
• M12: 7,152,424 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 179.6

Radius: 14.4

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 0.83 AU - 0.97 AU

Year: 551 Days

Day: 9.4 Hours

Environment

Temp: -149 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 30,463,593 km

• M1: 180,714 km (0.108 R)
• M2: 671,694 km (0.036 R)
• M3: 2,437,099 km (0.097 R)
• M4: 4,392,792 km (0.101 R)

Asteroid Belt

Center: 1.19 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 72.8

Radius: 13.5

Gravity: 0.4 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 1.45 AU - 1.51 AU

Year: 1163 Days

Day: 7 Hours

Environment

Temp: -171 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 30,463,593 km

• M1: 168,746 km (0.12 R)
• M2: 648,656 km (0.038 R)
• M3: 1,587,233 km (0.119 R)
• M4: 2,325,948 km (0.052 R)
• M5: 3,067,804 km (0.066 R)
• M6: 4,077,888 km (0.12 R)
• M7: 4,534,311 km (0.116 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 108.3

Radius: 8.6

Gravity: 1.46 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 2.7 AU - 3 AU

Year: 3107 Days

Day: 13.7 Hours

Environment

Temp: -208 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 30,463,593 km

• M1: 128,804 km (0.064 R)
• M2: 489,335 km (0.1 R)
• M3: 758,611 km (0.115 R)
• M4: 1,138,141 km (0.069 R)
• M5: 2,176,051 km (0.034 R)
• M6: 3,095,180 km (0.117 R)
• M7: 3,540,533 km (0.096 R)
• M8: 3,960,604 km (0.074 R)
• M9: 5,762,809 km (0.052 R)
• M10: 6,674,608 km (0.059 R)
• M11: 6,990,708 km (0.101 R)
• M12: 8,081,277 km (0.091 R)
• M13: 9,073,410 km (0.12 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 163.3

Radius: 6

Gravity: 4.54 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 6.11 AU - 6.95 AU

Year: 10774 Days

Day: 16.2 Hours

Environment

Temp: -224 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 30,463,593 km

• M1: 74,949 km (0.092 R)
• M2: 295,157 km (0.046 R)
• M3: 527,332 km (0.095 R)
• M4: 1,589,926 km (0.118 R)
• M5: 1,951,654 km (0.119 R)
• M6: 2,334,176 km (0.096 R)
• M7: 3,228,023 km (0.099 R)
• M8: 3,607,702 km (0.049 R)
• M9: 7,009,408 km (0.108 R)
• M10: 8,397,527 km (0.102 R)
• M11: 10,993,648 km (0.106 R)
• M12: 14,025,548 km (0.112 R)
• M13: 16,451,727 km (0.071 R)
• M14: 17,892,354 km (0.118 R)
• M15: 19,347,044 km (0.059 R)
• M16: 25,956,727 km (0.081 R)
• M17: 29,403,461 km (0.109 R)
• M18: 31,236,035 km (0.11 R)

Asteroid Belt

Center: 7.98 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 9.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 50.3

Radius: 3.6

Gravity: 3.88 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 8.52 AU - 10.34 AU

Year: 18697 Days

Day: 15.7 Hours

Environment

Temp: -238 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 30,463,593 km

• M1: 44,730 km (0.093 R)
• M2: 585,676 km (0.116 R)
• M3: 1,209,050 km (0.054 R)
• M4: 1,326,784 km (0.091 R)
• M5: 1,511,836 km (0.027 R)
• M6: 4,223,896 km (0.106 R)
• M7: 9,234,677 km (0.062 R)
• M8: 10,794,534 km (0.086 R)
• M9: 14,259,071 km (0.086 R)
• M10: 17,125,366 km (0.06 R)
• M11: 19,732,258 km (0.082 R)
• M12: 23,271,146 km (0.069 R)
• M13: 24,041,874 km (0.111 R)
• M14: 24,988,978 km (0.107 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 524 - 14,089 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit