🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.56

Radius: 0.79

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 0.4 AU - 0.6 AU

Year: 232 Days

Day: 37.8 Hours

Environment

Temp: -114 °C

Axial Tilt: 16.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 53,627,605 km

• M1: 20,196 km (0.036 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 391.3

Radius: 9.1

Gravity: 4.73 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.69 AU - 1.05 AU

Year: 532 Days

Day: 14.7 Hours

Environment

Temp: -160 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 53,627,605 km

• M1: 113,395 km (0.101 R)
• M2: 406,308 km (0.096 R)
• M3: 700,567 km (0.094 R)
• M4: 1,066,184 km (0.099 R)
• M5: 1,511,986 km (0.087 R)
• M6: 2,171,563 km (0.068 R)
• M7: 2,873,775 km (0.079 R)
• M8: 3,165,042 km (0.078 R)
• M9: 3,645,551 km (0.09 R)
• M10: 4,324,126 km (0.104 R)
• M11: 5,351,565 km (0.061 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 974.6

Radius: 8

Gravity: 15.23 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 0.93 AU - 0.93 AU

Year: 588 Days

Day: 6 Hours

Environment

Temp: -159 °C

Axial Tilt: 129.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 53,627,605 km

• M1: 100,380 km (0.079 R)
• M2: 356,043 km (0.063 R)
• M3: 671,096 km (0.088 R)
• M4: 1,001,558 km (0.053 R)
• M5: 1,285,345 km (0.077 R)
• M6: 1,567,935 km (0.055 R)
• M7: 1,839,455 km (0.109 R)
• M8: 2,241,126 km (0.114 R)
• M9: 2,599,113 km (0.085 R)
• M10: 2,922,245 km (0.073 R)
• M11: 3,791,558 km (0.119 R)
• M12: 4,193,228 km (0.095 R)
• M13: 4,722,356 km (0.069 R)
• M14: 5,099,343 km (0.118 R)
• M15: 5,514,776 km (0.099 R)
• M16: 6,190,061 km (0.056 R)
• M17: 7,071,940 km (0.078 R)
• M18: 7,939,608 km (0.069 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 904.2

Radius: 11.2

Gravity: 7.21 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 1.07 AU - 1.67 AU

Year: 1052 Days

Day: 12.9 Hours

Environment

Temp: -167 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 53,627,605 km

• M1: 139,276 km (0.096 R)
• M2: 566,826 km (0.116 R)
• M3: 954,883 km (0.117 R)
• M4: 1,403,826 km (0.092 R)
• M5: 2,055,026 km (0.064 R)
• M6: 2,481,081 km (0.107 R)
• M7: 3,245,975 km (0.089 R)
• M8: 3,715,862 km (0.1 R)
• M9: 6,044,951 km (0.075 R)
• M10: 6,663,987 km (0.063 R)
• M11: 8,056,145 km (0.115 R)
• M12: 8,635,836 km (0.075 R)
• M13: 9,972,044 km (0.076 R)
• M14: 10,382,541 km (0.077 R)
• M15: 10,969,563 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 19.8

Radius: 8.1

Gravity: 0.3 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 1.34 AU - 1.46 AU

Year: 1087 Days

Day: 7.2 Hours

Environment

Temp: -179 °C

Axial Tilt: 65.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 53,627,605 km

• M1: 100,679 km (0.057 R)
• M2: 478,264 km (0.112 R)
• M3: 737,966 km (0.109 R)
• M4: 1,009,636 km (0.034 R)
• M5: 1,375,104 km (0.099 R)
• M6: 2,160,193 km (0.113 R)
• M7: 2,541,069 km (0.075 R)

Asteroid Belt

Center: 1.81 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 204.9

Radius: 10.3

Gravity: 1.93 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 1.74 AU - 2.68 AU

Year: 2155 Days

Day: 9.2 Hours

Environment

Temp: -196 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 53,627,605 km

• M1: 128,056 km (0.097 R)
• M2: 477,516 km (0.104 R)
• M3: 885,021 km (0.052 R)
• M4: 1,604,437 km (0.075 R)
• M5: 2,129,226 km (0.12 R)
• M6: 2,504,268 km (0.098 R)
• M7: 3,228,771 km (0.096 R)
• M8: 3,617,127 km (0.043 R)
• M9: 5,189,849 km (0.08 R)
• M10: 6,251,545 km (0.09 R)
• M11: 6,573,480 km (0.114 R)
• M12: 7,300,526 km (0.119 R)
• M13: 8,857,690 km (0.03 R)
• M14: 9,929,110 km (0.094 R)
• M15: 11,051,543 km (0.084 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 721.6

Radius: 5.6

Gravity: 23.01 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 5.67 AU - 7.85 AU

Year: 11530 Days

Day: 16.8 Hours

Environment

Temp: -230 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 53,627,605 km

• M1: 76,744 km (0.119 R)
• M2: 351,854 km (0.041 R)
• M3: 755,918 km (0.104 R)
• M4: 1,808,189 km (0.099 R)
• M5: 2,385,637 km (0.091 R)
• M6: 5,081,391 km (0.084 R)
• M7: 7,049,500 km (0.102 R)
• M8: 10,198,536 km (0.061 R)
• M9: 12,346,312 km (0.078 R)
• M10: 14,307,840 km (0.114 R)
• M11: 17,359,636 km (0.055 R)
• M12: 20,648,844 km (0.03 R)
• M13: 24,235,902 km (0.066 R)
• M14: 26,878,997 km (0.115 R)
• M15: 29,062,827 km (0.118 R)
• M16: 31,813,633 km (0.072 R)
• M17: 32,040,872 km (0.097 R)
• M18: 33,077,136 km (0.077 R)
• M19: 33,544,779 km (0.085 R)
• M20: 38,595,054 km (0.07 R)
• M21: 41,098,275 km (0.027 R)
• M22: 47,306,437 km (0.085 R)
• M23: 51,097,696 km (0.075 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 308 - 16,250 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit