🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.56

Radius: 0.79

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 0.52 AU - 0.7 AU

Year: 183 Days

Day: 33.7 Hours

Environment

Temp: 137 °C

Axial Tilt: 10.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 76,003,458 km

• M1: 18,550 km (0.057 R)
• M2: 28,274 km (0.061 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.99 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.26

Radius: 1.79

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 0.86 AU - 1.12 AU

Year: 379 Days

Day: 41.4 Hours

Environment

Temp: -7 °C

Axial Tilt: 39.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 76,003,458 km

• M1: 74,500 km (0.055 R)

Planet 3 - Terrestrial

Semi-Major Axis: 3.05 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.04

Radius: 1.33

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 2.7 AU - 3.4 AU

Year: 2051 Days

Day: 17.9 Hours

Environment

Temp: -108 °C

Axial Tilt: 35.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.78 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 4.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 526.2

Radius: 9.6

Gravity: 5.71 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 4.46 AU - 4.55 AU

Year: 3675 Days

Day: 13.6 Hours

Environment

Temp: -141 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 76,003,458 km

• M1: 119,379 km (0.114 R)
• M2: 432,936 km (0.116 R)
• M3: 793,318 km (0.08 R)
• M4: 1,368,222 km (0.113 R)
• M5: 1,755,681 km (0.112 R)
• M6: 2,188,318 km (0.066 R)
• M7: 2,920,001 km (0.11 R)
• M8: 3,492,811 km (0.038 R)
• M9: 4,011,916 km (0.084 R)
• M10: 4,650,998 km (0.06 R)
• M11: 5,179,826 km (0.064 R)
• M12: 6,797,727 km (0.103 R)
• M13: 7,226,475 km (0.075 R)
• M14: 11,590,544 km (0.117 R)
• M15: 12,976,419 km (0.106 R)
• M16: 14,822,007 km (0.12 R)
• M17: 15,128,683 km (0.097 R)
• M18: 15,596,625 km (0.099 R)
• M19: 16,074,142 km (0.073 R)
• M20: 18,787,697 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 10.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 395.6

Radius: 8.4

Gravity: 5.61 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 7.87 AU - 12.53 AU

Year: 12542 Days

Day: 12.9 Hours

Environment

Temp: -183 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 76,003,458 km

• M1: 107,262 km (0.096 R)
• M2: 383,719 km (0.111 R)
• M3: 660,774 km (0.108 R)
• M4: 1,222,514 km (0.117 R)
• M5: 1,524,851 km (0.111 R)
• M6: 2,915,962 km (0.107 R)
• M7: 3,585,412 km (0.115 R)
• M8: 3,996,507 km (0.104 R)
• M9: 4,671,942 km (0.059 R)
• M10: 4,975,027 km (0.115 R)
• M11: 6,768,705 km (0.096 R)
• M12: 7,727,029 km (0.106 R)
• M13: 8,022,784 km (0.117 R)
• M14: 8,637,332 km (0.09 R)
• M15: 9,048,577 km (0.089 R)
• M16: 9,959,927 km (0.085 R)
• M17: 11,964,239 km (0.104 R)
• M18: 12,246,680 km (0.06 R)
• M19: 13,001,701 km (0.09 R)
• M20: 16,473,119 km (0.045 R)
• M21: 16,752,568 km (0.059 R)
• M22: 21,665,063 km (0.116 R)
• M23: 24,177,110 km (0.11 R)
• M24: 25,830,466 km (0.103 R)
• M25: 27,167,422 km (0.115 R)
• M26: 30,082,636 km (0.073 R)
• M27: 35,355,213 km (0.118 R)
• M28: 37,844,073 km (0.111 R)
• M29: 41,084,362 km (0.119 R)
• M30: 42,771,677 km (0.054 R)

Planet 6 - Gas Giant

Semi-Major Axis: 10.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 236.8

Radius: 8.3

Gravity: 3.44 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 9.96 AU - 11.74 AU

Year: 13760 Days

Day: 11.6 Hours

Environment

Temp: -184 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 76,003,458 km

• M1: 103,223 km (0.065 R)
• M2: 379,081 km (0.035 R)
• M3: 832,811 km (0.076 R)
• M4: 2,453,854 km (0.049 R)
• M5: 4,839,342 km (0.098 R)
• M6: 5,707,907 km (0.091 R)
• M7: 6,460,234 km (0.119 R)
• M8: 11,876,276 km (0.034 R)
• M9: 14,836,369 km (0.063 R)
• M10: 30,165,663 km (0.108 R)
• M11: 30,467,850 km (0.104 R)
• M12: 34,804,693 km (0.118 R)
• M13: 37,409,042 km (0.073 R)

Planet 7 - Ice Giant

Semi-Major Axis: 17.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 341.4

Radius: 5.5

Gravity: 11.29 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 13.87 AU - 21.21 AU

Year: 28282 Days

Day: 18.4 Hours

Environment

Temp: -206 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 76,003,458 km

• M1: 68,366 km (0.091 R)
• M2: 441,463 km (0.108 R)
• M3: 685,009 km (0.088 R)
• M4: 968,347 km (0.089 R)
• M5: 1,481,468 km (0.09 R)
• M6: 2,057,719 km (0.061 R)
• M7: 2,510,252 km (0.055 R)
• M8: 3,132,579 km (0.112 R)
• M9: 4,009,073 km (0.095 R)
• M10: 5,694,293 km (0.067 R)
• M11: 5,980,324 km (0.081 R)
• M12: 6,275,780 km (0.052 R)
• M13: 6,941,940 km (0.11 R)
• M14: 8,518,851 km (0.107 R)
• M15: 11,893,031 km (0.09 R)
• M16: 18,165,819 km (0.078 R)
• M17: 19,511,452 km (0.067 R)
• M18: 21,504,844 km (0.101 R)
• M19: 33,533,859 km (0.053 R)
• M20: 34,465,853 km (0.113 R)
• M21: 35,965,123 km (0.099 R)
• M22: 38,801,499 km (0.069 R)
• M23: 62,536,847 km (0.08 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: 528 - 14,210 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit