🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.9

Radius: 1.53

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 0.5 AU - 0.52 AU

Year: 136 Days

Day: 16.5 Hours

Environment

Temp: 250 °C

Axial Tilt: 15.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.69 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.2

Radius: 0.53

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 0.66 AU - 0.72 AU

Year: 215 Days

Day: 24.3 Hours

Environment

Temp: 127 °C

Axial Tilt: 115.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 3.4 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.5

Radius: 1.83

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 2.88 AU - 3.92 AU

Year: 2349 Days

Day: 47.4 Hours

Environment

Temp: -110 °C

Axial Tilt: 27.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.93 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.66

Radius: 1.68

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 3.16 AU - 4.7 AU

Year: 2920 Days

Day: 33.6 Hours

Environment

Temp: -123 °C

Axial Tilt: 25.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 62,552,118 km

• M1: 41,588 km (0.106 R)
• M2: 517,459 km (0.083 R)

Asteroid Belt

Center: 4.28 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 4.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 674.8

Radius: 11.2

Gravity: 5.38 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 4.09 AU - 5.15 AU

Year: 3721 Days

Day: 11.6 Hours

Environment

Temp: -131 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 62,552,118 km

• M1: 139,425 km (0.09 R)
• M2: 536,608 km (0.093 R)
• M3: 906,114 km (0.092 R)
• M4: 1,475,035 km (0.102 R)
• M5: 3,710,027 km (0.119 R)
• M6: 7,786,270 km (0.101 R)
• M7: 8,809,968 km (0.097 R)
• M8: 11,253,500 km (0.099 R)
• M9: 12,144,654 km (0.117 R)
• M10: 12,560,686 km (0.047 R)
• M11: 13,082,184 km (0.107 R)
• M12: 15,964,038 km (0.097 R)
• M13: 17,088,714 km (0.033 R)
• M14: 18,996,835 km (0.102 R)
• M15: 20,518,246 km (0.078 R)
• M16: 23,302,860 km (0.117 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 707.6

Radius: 13.9

Gravity: 3.66 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 6.37 AU - 7.41 AU

Year: 6777 Days

Day: 7.3 Hours

Environment

Temp: -164 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 62,552,118 km

• M1: 172,935 km (0.062 R)
• M2: 637,586 km (0.102 R)
• M3: 1,099,395 km (0.069 R)
• M4: 2,346,443 km (0.049 R)
• M5: 3,678,163 km (0.108 R)
• M6: 4,524,139 km (0.102 R)
• M7: 5,080,194 km (0.064 R)
• M8: 6,330,383 km (0.084 R)
• M9: 6,956,151 km (0.081 R)
• M10: 7,622,909 km (0.111 R)
• M11: 9,389,510 km (0.069 R)
• M12: 9,882,286 km (0.093 R)
• M13: 11,977,254 km (0.062 R)
• M14: 12,504,138 km (0.109 R)
• M15: 12,991,677 km (0.106 R)
• M16: 14,353,766 km (0.114 R)
• M17: 17,968,350 km (0.1 R)
• M18: 21,450,539 km (0.112 R)
• M19: 25,705,552 km (0.059 R)
• M20: 27,300,863 km (0.119 R)
• M21: 29,339,284 km (0.082 R)

Planet 7 - Gas Giant

Semi-Major Axis: 11.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 56.1

Radius: 13.5

Gravity: 0.31 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 11.52 AU - 12.08 AU

Year: 15190 Days

Day: 9 Hours

Environment

Temp: -183 °C

Axial Tilt: 49.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 62,552,118 km

• M1: 179,817 km (0.093 R)
• M2: 1,541,456 km (0.089 R)
• M3: 2,011,044 km (0.109 R)
• M4: 4,056,346 km (0.091 R)
• M5: 5,098,595 km (0.077 R)
• M6: 5,811,129 km (0.105 R)
• M7: 7,068,948 km (0.05 R)
• M8: 8,878,035 km (0.099 R)
• M9: 10,457,041 km (0.088 R)
• M10: 11,381,107 km (0.047 R)
• M11: 12,551,561 km (0.114 R)
• M12: 13,852,314 km (0.058 R)
• M13: 25,741,006 km (0.052 R)
• M14: 27,505,812 km (0.047 R)

Planet 8 - Ice Giant

Semi-Major Axis: 16.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 258.8

Radius: 5.7

Gravity: 7.97 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 12.64 AU - 19.6 AU

Year: 24254 Days

Day: 20.7 Hours

Environment

Temp: -198 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 62,552,118 km

• M1: 70,909 km (0.084 R)
• M2: 411,544 km (0.102 R)
• M3: 801,695 km (0.082 R)
• M4: 1,023,848 km (0.066 R)
• M5: 1,547,889 km (0.077 R)
• M6: 2,023,760 km (0.081 R)
• M7: 2,275,683 km (0.062 R)
• M8: 2,614,372 km (0.077 R)
• M9: 5,285,143 km (0.117 R)
• M10: 6,475,344 km (0.068 R)
• M11: 7,111,135 km (0.055 R)
• M12: 7,927,939 km (0.056 R)
• M13: 8,359,080 km (0.114 R)
• M14: 8,805,630 km (0.03 R)
• M15: 9,854,909 km (0.058 R)
• M16: 11,161,647 km (0.093 R)
• M17: 12,968,639 km (0.113 R)
• M18: 13,165,959 km (0.042 R)
• M19: 13,432,393 km (0.044 R)
• M20: 17,229,785 km (0.085 R)
• M21: 17,709,396 km (0.069 R)
• M22: 18,528,295 km (0.057 R)
• M23: 22,151,406 km (0.119 R)
• M24: 25,698,969 km (0.062 R)
• M25: 33,894,689 km (0.098 R)
• M26: 55,005,491 km (0.032 R)
• M27: 61,805,313 km (0.111 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 302 - 18,393 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit