🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.5 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.18

Radius: 1.59

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 0.41 AU - 0.59 AU

Year: 150 Days

Day: 41.2 Hours

Environment

Temp: 171 °C

Axial Tilt: 18.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 40,978,784 km

• M1: 123,418 km (0.092 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.77 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.85

Radius: 0.94

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 0.7 AU - 0.84 AU

Year: 287 Days

Day: 20.1 Hours

Environment

Temp: -11 °C

Axial Tilt: 20.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 0.8 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.18

Radius: 1.59

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 0.78 AU - 0.82 AU

Year: 304 Days

Day: 32.7 Hours

Environment

Temp: -12 °C

Axial Tilt: 38.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 40,978,784 km

• M1: 44,281 km (0.102 R)
• M2: 254,167 km (0.1 R)

Asteroid Belt

Center: 1.87 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 2.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 823.2

Radius: 14.8

Gravity: 3.76 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 2.63 AU - 3.23 AU

Year: 2129 Days

Day: 14 Hours

Environment

Temp: -147 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 40,978,784 km

• M1: 187,596 km (0.113 R)
• M2: 746,344 km (0.1 R)
• M3: 1,251,087 km (0.116 R)
• M4: 2,185,924 km (0.087 R)
• M5: 2,698,895 km (0.099 R)
• M6: 3,693,871 km (0.042 R)
• M7: 5,618,597 km (0.068 R)
• M8: 6,354,170 km (0.072 R)
• M9: 7,532,851 km (0.108 R)
• M10: 8,364,615 km (0.072 R)
• M11: 9,325,333 km (0.098 R)
• M12: 10,395,556 km (0.09 R)
• M13: 12,695,324 km (0.115 R)
• M14: 13,297,904 km (0.053 R)
• M15: 14,793,883 km (0.094 R)
• M16: 15,950,574 km (0.119 R)
• M17: 16,500,496 km (0.066 R)
• M18: 17,691,444 km (0.08 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 487.2

Radius: 10.6

Gravity: 4.34 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 2.77 AU - 3.31 AU

Year: 2251 Days

Day: 6 Hours

Environment

Temp: -145 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 40,978,784 km

• M1: 131,945 km (0.069 R)
• M2: 617,839 km (0.103 R)
• M3: 1,221,766 km (0.084 R)
• M4: 2,276,132 km (0.099 R)
• M5: 2,743,625 km (0.117 R)
• M6: 3,178,955 km (0.09 R)
• M7: 4,227,935 km (0.084 R)
• M8: 4,645,163 km (0.102 R)
• M9: 6,493,296 km (0.074 R)
• M10: 7,326,705 km (0.088 R)
• M11: 8,661,567 km (0.115 R)
• M12: 11,729,520 km (0.082 R)
• M13: 15,783,473 km (0.073 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 884

Radius: 14

Gravity: 4.51 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 3.21 AU - 3.47 AU

Year: 2592 Days

Day: 7.7 Hours

Environment

Temp: -155 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 40,978,784 km

• M1: 174,132 km (0.119 R)
• M2: 930,200 km (0.069 R)
• M3: 1,688,810 km (0.064 R)
• M4: 2,156,005 km (0.091 R)
• M5: 3,081,567 km (0.066 R)
• M6: 3,770,914 km (0.073 R)
• M7: 4,343,275 km (0.068 R)
• M8: 4,787,132 km (0.108 R)
• M9: 6,032,534 km (0.119 R)
• M10: 6,731,455 km (0.11 R)
• M11: 7,298,282 km (0.099 R)
• M12: 7,929,286 km (0.101 R)
• M13: 9,301,098 km (0.099 R)
• M14: 10,905,984 km (0.102 R)
• M15: 11,438,403 km (0.085 R)
• M16: 13,095,050 km (0.095 R)
• M17: 15,820,723 km (0.095 R)
• M18: 16,504,086 km (0.04 R)
• M19: 17,817,106 km (0.075 R)
• M20: 18,730,551 km (0.099 R)
• M21: 19,674,813 km (0.089 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 41.9

Radius: 14.7

Gravity: 0.19 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 4.12 AU - 5.96 AU

Year: 4804 Days

Day: 10.4 Hours

Environment

Temp: -177 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 40,978,784 km

• M1: 183,108 km (0.105 R)
• M2: 750,981 km (0.1 R)
• M3: 1,235,678 km (0.098 R)
• M4: 1,786,049 km (0.106 R)
• M5: 3,460,797 km (0.055 R)
• M6: 5,089,918 km (0.116 R)
• M7: 5,847,182 km (0.071 R)
• M8: 6,400,694 km (0.089 R)
• M9: 9,958,581 km (0.102 R)

Planet 8 - Gas Giant

Semi-Major Axis: 7.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 332.2

Radius: 9.9

Gravity: 3.39 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 6.52 AU - 9 AU

Year: 9178 Days

Day: 6.3 Hours

Environment

Temp: -181 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 40,978,784 km

• M1: 123,568 km (0.104 R)
• M2: 844,330 km (0.111 R)
• M3: 1,591,273 km (0.089 R)
• M4: 3,267,517 km (0.107 R)
• M5: 5,222,761 km (0.099 R)
• M6: 6,215,193 km (0.11 R)
• M7: 6,721,732 km (0.116 R)
• M8: 8,652,442 km (0.095 R)
• M9: 9,678,384 km (0.115 R)
• M10: 11,919,360 km (0.047 R)
• M11: 12,332,549 km (0.118 R)
• M12: 13,463,060 km (0.083 R)
• M13: 16,178,711 km (0.067 R)
• M14: 22,432,350 km (0.068 R)
• M15: 22,983,469 km (0.032 R)
• M16: 34,827,880 km (0.109 R)

Planet 9 - Ice Giant

Semi-Major Axis: 11.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 172.2

Radius: 6.8

Gravity: 3.72 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 10.56 AU - 11.7 AU

Year: 15766 Days

Day: 24 Hours

Environment

Temp: -194 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 40,978,784 km

• M1: 84,672 km (0.107 R)
• M2: 378,483 km (0.113 R)
• M3: 1,001,707 km (0.118 R)
• M4: 1,475,484 km (0.085 R)
• M5: 1,883,437 km (0.032 R)
• M6: 4,143,412 km (0.094 R)
• M7: 4,692,436 km (0.115 R)
• M8: 5,934,697 km (0.09 R)
• M9: 6,276,678 km (0.106 R)
• M10: 7,000,283 km (0.107 R)
• M11: 7,778,042 km (0.11 R)
• M12: 18,107,027 km (0.081 R)
• M13: 21,737,019 km (0.109 R)
• M14: 23,214,747 km (0.12 R)
• M15: 26,004,897 km (0.119 R)
• M16: 26,551,976 km (0.046 R)
• M17: 31,309,488 km (0.054 R)
• M18: 40,611,783 km (0.093 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 340 - 16,066 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit