🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.47

Radius: 1.44

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.43 AU - 0.67 AU

Year: 148 Days

Day: 14 Hours

Environment

Temp: 200 °C

Axial Tilt: 11.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.73

Radius: 1.49

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 0.65 AU - 0.69 AU

Year: 199 Days

Day: 28.5 Hours

Environment

Temp: 193 °C

Axial Tilt: 3.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.13 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.33

Radius: 1.62

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 0.89 AU - 1.37 AU

Year: 437 Days

Day: 35.1 Hours

Environment

Temp: 29 °C

Axial Tilt: 3.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.13 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.17

Radius: 1.36

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 0.9 AU - 1.36 AU

Year: 437 Days

Day: 40.8 Hours

Environment

Temp: 17 °C

Axial Tilt: 34.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 27,810,027 km

• M1: 276,906 km (0.038 R)

Planet 5 - Terrestrial

Semi-Major Axis: 4.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.01

Radius: 1.55

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 3.63 AU - 5.47 AU

Year: 3527 Days

Day: 33.8 Hours

Environment

Temp: -136 °C

Axial Tilt: 6.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.82 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 152.6

Radius: 10.3

Gravity: 1.44 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 4.55 AU - 5.63 AU

Year: 4174 Days

Day: 14.7 Hours

Environment

Temp: -149 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 27,810,027 km

• M1: 135,984 km (0.117 R)
• M2: 485,295 km (0.09 R)
• M3: 1,364,033 km (0.114 R)
• M4: 1,695,243 km (0.099 R)
• M5: 2,593,429 km (0.101 R)
• M6: 2,925,237 km (0.111 R)
• M7: 3,782,433 km (0.08 R)
• M8: 4,173,033 km (0.107 R)
• M9: 4,884,071 km (0.057 R)
• M10: 6,652,019 km (0.113 R)
• M11: 7,223,333 km (0.028 R)
• M12: 7,651,333 km (0.091 R)
• M13: 8,217,561 km (0.068 R)
• M14: 8,779,600 km (0.053 R)
• M15: 9,467,451 km (0.114 R)
• M16: 10,261,666 km (0.028 R)
• M17: 12,140,765 km (0.111 R)
• M18: 13,975,134 km (0.088 R)
• M19: 14,327,586 km (0.075 R)
• M20: 15,142,296 km (0.093 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 120

Radius: 8.1

Gravity: 1.83 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 4.01 AU - 6.35 AU

Year: 4285 Days

Day: 8.8 Hours

Environment

Temp: -131 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 27,810,027 km

• M1: 100,829 km (0.045 R)
• M2: 509,530 km (0.101 R)
• M3: 1,296,266 km (0.089 R)
• M4: 2,579,067 km (0.09 R)
• M5: 2,919,851 km (0.092 R)
• M6: 3,941,455 km (0.117 R)
• M7: 5,294,717 km (0.111 R)
• M8: 5,967,309 km (0.093 R)
• M9: 6,514,538 km (0.078 R)
• M10: 6,933,413 km (0.103 R)
• M11: 8,029,516 km (0.114 R)
• M12: 9,269,533 km (0.085 R)
• M13: 10,668,273 km (0.066 R)
• M14: 11,738,945 km (0.047 R)
• M15: 12,597,786 km (0.095 R)
• M16: 13,042,690 km (0.084 R)
• M17: 13,456,179 km (0.107 R)
• M18: 14,616,161 km (0.114 R)

Planet 8 - Gas Giant

Semi-Major Axis: 8.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 646.7

Radius: 8

Gravity: 10.1 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 6.93 AU - 9.39 AU

Year: 8472 Days

Day: 5.9 Hours

Environment

Temp: -161 °C

Axial Tilt: 48.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 27,810,027 km

• M1: 99,483 km (0.086 R)
• M2: 406,158 km (0.077 R)
• M3: 658,530 km (0.118 R)
• M4: 2,440,689 km (0.05 R)
• M5: 5,318,055 km (0.043 R)
• M6: 7,796,143 km (0.098 R)
• M7: 9,081,189 km (0.089 R)
• M8: 9,679,730 km (0.066 R)
• M9: 13,016,511 km (0.113 R)
• M10: 15,907,041 km (0.09 R)
• M11: 16,708,437 km (0.077 R)
• M12: 19,954,262 km (0.097 R)
• M13: 25,440,464 km (0.087 R)
• M14: 27,661,544 km (0.116 R)
• M15: 32,591,841 km (0.094 R)
• M16: 39,629,972 km (0.066 R)

Planet 9 - Ice Giant

Semi-Major Axis: 16.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 24

Radius: 3.6

Gravity: 1.85 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 12.64 AU - 19.68 AU

Year: 23610 Days

Day: 22 Hours

Environment

Temp: -186 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 27,810,027 km

• M1: 48,021 km (0.083 R)
• M2: 971,788 km (0.063 R)
• M3: 2,176,200 km (0.102 R)
• M4: 4,441,112 km (0.1 R)
• M5: 7,775,798 km (0.072 R)
• M6: 8,063,475 km (0.055 R)
• M7: 12,524,035 km (0.063 R)
• M8: 15,522,275 km (0.088 R)
• M9: 26,177,234 km (0.093 R)

Kuiper Belt

Range: 30.2 - 49.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 452 - 10,619 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit