🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.87 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.15

Radius: 1.36

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 0.85 AU - 0.89 AU

Year: 287 Days

Day: 22.8 Hours

Environment

Temp: 145 °C

Axial Tilt: 43.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.91 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.66

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 0.85 AU - 0.97 AU

Year: 307 Days

Day: 30.5 Hours

Environment

Temp: 137 °C

Axial Tilt: 27.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.91 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.73

Radius: 1.49

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 0.82 AU - 1 AU

Year: 307 Days

Day: 45.1 Hours

Environment

Temp: 174 °C

Axial Tilt: 31.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.3

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 1.35 AU - 1.83 AU

Year: 708 Days

Day: 39.9 Hours

Environment

Temp: -22 °C

Axial Tilt: 42 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.35 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.64

Radius: 0.84

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 2.83 AU - 3.87 AU

Year: 2165 Days

Day: 21.2 Hours

Environment

Temp: -109 °C

Axial Tilt: 23.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 57,285,105 km

• M1: 19,897 km (0.084 R)

Asteroid Belt

Center: 7.3 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 11.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 182.6

Radius: 13.5

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 10.66 AU - 11.82 AU

Year: 13306 Days

Day: 9 Hours

Environment

Temp: -180 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 57,285,105 km

• M1: 169,943 km (0.103 R)
• M2: 820,844 km (0.118 R)
• M3: 1,307,186 km (0.101 R)
• M4: 1,872,517 km (0.091 R)
• M5: 4,000,546 km (0.111 R)
• M6: 4,485,393 km (0.066 R)
• M7: 5,856,906 km (0.105 R)
• M8: 7,954,268 km (0.056 R)
• M9: 8,559,242 km (0.064 R)
• M10: 9,065,033 km (0.028 R)
• M11: 10,512,542 km (0.038 R)
• M12: 12,372,492 km (0.049 R)
• M13: 13,976,929 km (0.096 R)
• M14: 15,841,218 km (0.107 R)
• M15: 18,002,458 km (0.099 R)
• M16: 20,353,837 km (0.062 R)
• M17: 20,802,332 km (0.064 R)
• M18: 23,798,328 km (0.112 R)
• M19: 24,801,382 km (0.073 R)
• M20: 25,313,456 km (0.115 R)
• M21: 28,628,245 km (0.107 R)
• M22: 33,243,040 km (0.095 R)
• M23: 35,349,229 km (0.092 R)

Planet 7 - Gas Giant

Semi-Major Axis: 11.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 228.3

Radius: 14.2

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 10.45 AU - 12.37 AU

Year: 13609 Days

Day: 9.3 Hours

Environment

Temp: -180 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 57,285,105 km

• M1: 176,675 km (0.12 R)
• M2: 670,946 km (0.118 R)
• M3: 1,188,256 km (0.116 R)
• M4: 3,230,416 km (0.086 R)
• M5: 3,709,429 km (0.111 R)
• M6: 4,183,654 km (0.085 R)
• M7: 6,124,088 km (0.073 R)
• M8: 8,437,769 km (0.06 R)
• M9: 9,264,746 km (0.082 R)
• M10: 10,289,042 km (0.031 R)
• M11: 10,979,437 km (0.107 R)
• M12: 12,398,223 km (0.07 R)
• M13: 14,843,699 km (0.07 R)
• M14: 16,979,209 km (0.088 R)
• M15: 21,453,681 km (0.105 R)
• M16: 22,255,526 km (0.112 R)
• M17: 23,077,117 km (0.1 R)
• M18: 23,919,054 km (0.069 R)
• M19: 25,308,519 km (0.066 R)
• M20: 31,204,021 km (0.03 R)
• M21: 34,252,078 km (0.081 R)
• M22: 34,796,914 km (0.032 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 710

Radius: 3.9

Gravity: 46.68 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 11.63 AU - 15.55 AU

Year: 17690 Days

Day: 16.9 Hours

Environment

Temp: -185 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 57,285,105 km

• M1: 48,470 km (0.087 R)
• M2: 193,729 km (0.078 R)
• M3: 705,204 km (0.118 R)
• M4: 1,655,600 km (0.074 R)
• M5: 3,062,568 km (0.093 R)
• M6: 3,440,003 km (0.086 R)
• M7: 3,582,121 km (0.058 R)
• M8: 4,971,137 km (0.106 R)
• M9: 5,965,813 km (0.084 R)
• M10: 7,695,614 km (0.098 R)
• M11: 9,903,678 km (0.104 R)
• M12: 18,548,790 km (0.079 R)
• M13: 20,156,668 km (0.09 R)
• M14: 23,038,970 km (0.048 R)
• M15: 24,057,582 km (0.091 R)
• M16: 29,604,072 km (0.031 R)
• M17: 30,081,439 km (0.101 R)
• M18: 31,792,539 km (0.061 R)
• M19: 40,737,894 km (0.089 R)
• M20: 48,698,595 km (0.091 R)
• M21: 58,941,112 km (0.101 R)
• M22: 63,568,174 km (0.094 R)
• M23: 67,193,230 km (0.11 R)
• M24: 70,317,432 km (0.101 R)

Planet 9 - Ice Giant

Semi-Major Axis: 13.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 349.2

Radius: 6.8

Gravity: 7.55 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 10.91 AU - 16.89 AU

Year: 18299 Days

Day: 16.3 Hours

Environment

Temp: -183 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 57,285,105 km

• M1: 88,861 km (0.11 R)
• M2: 365,617 km (0.09 R)
• M3: 669,002 km (0.025 R)
• M4: 915,539 km (0.097 R)
• M5: 1,422,676 km (0.095 R)
• M6: 1,889,571 km (0.099 R)
• M7: 3,125,249 km (0.111 R)
• M8: 7,064,460 km (0.089 R)
• M9: 7,943,198 km (0.075 R)
• M10: 8,173,878 km (0.045 R)
• M11: 9,041,695 km (0.086 R)
• M12: 10,129,870 km (0.111 R)
• M13: 12,072,847 km (0.089 R)
• M14: 16,906,055 km (0.081 R)
• M15: 18,469,952 km (0.095 R)
• M16: 30,483,259 km (0.114 R)
• M17: 43,903,684 km (0.04 R)
• M18: 46,094,246 km (0.086 R)
• M19: 47,140,982 km (0.097 R)
• M20: 53,101,410 km (0.092 R)
• M21: 56,261,665 km (0.073 R)

Kuiper Belt

Range: 31.1 - 53.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 337 - 18,106 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit