🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.74

Radius: 1.5

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.46 AU - 0.74 AU

Year: 178 Days

Day: 46.5 Hours

Environment

Temp: 128 °C

Axial Tilt: 10.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.69

Radius: 1.69

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 0.59 AU - 0.63 AU

Year: 182 Days

Day: 46.4 Hours

Environment

Temp: 142 °C

Axial Tilt: 47.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.84 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.12

Radius: 1.58

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 0.73 AU - 0.95 AU

Year: 295 Days

Day: 36.4 Hours

Environment

Temp: 17 °C

Axial Tilt: 37.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 102,749,431 km

• M1: 37,399 km (0.089 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.39

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 1.27 AU - 1.55 AU

Year: 641 Days

Day: 28.2 Hours

Environment

Temp: -52 °C

Axial Tilt: 2.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.41 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.42

Radius: 0.71

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 2.2 AU - 2.62 AU

Year: 1433 Days

Day: 15.6 Hours

Environment

Temp: -101 °C

Axial Tilt: 46.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 102,749,431 km

• M1: 481,705 km (0.109 R)

Planet 6 - Terrestrial

Semi-Major Axis: 3.1 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.5

Radius: 1.83

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 2.41 AU - 3.79 AU

Year: 2090 Days

Day: 31.5 Hours

Environment

Temp: -116 °C

Axial Tilt: 42.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.16 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 9.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 128.7

Radius: 13.3

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 7.98 AU - 10.46 AU

Year: 10719 Days

Day: 8.8 Hours

Environment

Temp: -189 °C

Axial Tilt: 60.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 102,749,431 km

• M1: 165,455 km (0.093 R)
• M2: 841,189 km (0.113 R)
• M3: 1,455,288 km (0.096 R)
• M4: 2,600,759 km (0.093 R)
• M5: 3,426,988 km (0.084 R)
• M6: 8,649,001 km (0.12 R)
• M7: 9,598,050 km (0.058 R)
• M8: 10,311,482 km (0.057 R)
• M9: 10,747,560 km (0.073 R)
• M10: 11,891,834 km (0.055 R)
• M11: 13,837,055 km (0.119 R)
• M12: 16,453,223 km (0.1 R)
• M13: 17,170,844 km (0.109 R)
• M14: 18,160,134 km (0.03 R)
• M15: 18,861,898 km (0.096 R)
• M16: 19,317,872 km (0.117 R)
• M17: 20,592,895 km (0.087 R)
• M18: 22,500,118 km (0.089 R)
• M19: 26,177,383 km (0.059 R)
• M20: 26,663,576 km (0.046 R)

Planet 8 - Gas Giant

Semi-Major Axis: 9.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 907.3

Radius: 14.7

Gravity: 4.2 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 7.86 AU - 11.32 AU

Year: 11371 Days

Day: 10.1 Hours

Environment

Temp: -190 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 102,749,431 km

• M1: 182,809 km (0.097 R)
• M2: 1,520,064 km (0.114 R)
• M3: 2,312,783 km (0.039 R)
• M4: 3,125,548 km (0.093 R)
• M5: 5,357,399 km (0.029 R)
• M6: 6,155,803 km (0.101 R)
• M7: 7,285,715 km (0.116 R)
• M8: 9,436,634 km (0.104 R)
• M9: 11,863,710 km (0.113 R)
• M10: 13,222,208 km (0.116 R)
• M11: 17,999,317 km (0.08 R)
• M12: 21,430,793 km (0.03 R)
• M13: 23,915,613 km (0.078 R)
• M14: 24,784,926 km (0.095 R)
• M15: 29,014,507 km (0.071 R)
• M16: 31,128,774 km (0.046 R)
• M17: 33,106,009 km (0.096 R)
• M18: 34,796,166 km (0.104 R)
• M19: 35,912,614 km (0.084 R)
• M20: 40,891,381 km (0.079 R)
• M21: 43,119,043 km (0.109 R)
• M22: 51,393,750 km (0.104 R)

Planet 9 - Ice Giant

Semi-Major Axis: 18.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 682.8

Radius: 7.2

Gravity: 13.17 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 15.21 AU - 22.57 AU

Year: 31435 Days

Day: 20.6 Hours

Environment

Temp: -209 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 102,749,431 km

• M1: 113,994 km (0.075 R)
• M2: 1,095,655 km (0.109 R)
• M3: 1,957,039 km (0.106 R)
• M4: 2,973,706 km (0.114 R)
• M5: 3,237,597 km (0.092 R)
• M6: 4,682,413 km (0.093 R)
• M7: 5,081,540 km (0.085 R)
• M8: 5,546,640 km (0.093 R)
• M9: 8,138,423 km (0.05 R)
• M10: 9,823,643 km (0.037 R)
• M11: 10,212,897 km (0.112 R)
• M12: 20,432,077 km (0.036 R)
• M13: 26,749,745 km (0.119 R)
• M14: 27,254,338 km (0.12 R)
• M15: 32,369,090 km (0.11 R)
• M16: 53,643,104 km (0.102 R)
• M17: 78,733,210 km (0.101 R)
• M18: 81,340,102 km (0.099 R)
• M19: 84,003,842 km (0.057 R)
• M20: 85,902,688 km (0.089 R)
• M21: 88,107,611 km (0.096 R)
• M22: 90,632,972 km (0.065 R)
• M23: 93,494,929 km (0.06 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 165 - 16,439 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit