🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.58

Radius: 1.2

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 1.1 AU - 1.68 AU

Year: 631 Days

Day: 36.3 Hours

Environment

Temp: -51 °C

Axial Tilt: 43.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.74

Radius: 1.5

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 1.12 AU - 1.86 AU

Year: 700 Days

Day: 23.7 Hours

Environment

Temp: -49 °C

Axial Tilt: 19 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 58,476,854 km

• M1: 37,998 km (0.091 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.03

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 1.32 AU - 1.9 AU

Year: 787 Days

Day: 35.8 Hours

Environment

Temp: -61 °C

Axial Tilt: 18.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.39 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.19

Radius: 1.07

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 1.96 AU - 2.82 AU

Year: 1423 Days

Day: 23.3 Hours

Environment

Temp: -93 °C

Axial Tilt: 16.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 58,476,854 km

• M1: 31,715 km (0.058 R)
• M2: 430,094 km (0.078 R)

Asteroid Belt

Center: 4.76 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 7.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 369.2

Radius: 8.1

Gravity: 5.63 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 5.43 AU - 8.81 AU

Year: 7315 Days

Day: 7.7 Hours

Environment

Temp: -171 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 58,476,854 km

• M1: 112,498 km (0.088 R)
• M2: 668,403 km (0.112 R)
• M3: 996,322 km (0.102 R)
• M4: 1,712,746 km (0.111 R)
• M5: 2,090,929 km (0.114 R)
• M6: 2,506,961 km (0.101 R)
• M7: 3,233,857 km (0.115 R)
• M8: 4,142,066 km (0.1 R)
• M9: 4,437,671 km (0.076 R)
• M10: 5,704,017 km (0.108 R)
• M11: 8,532,015 km (0.115 R)
• M12: 8,930,843 km (0.05 R)
• M13: 12,481,998 km (0.098 R)
• M14: 13,418,031 km (0.119 R)
• M15: 15,138,557 km (0.09 R)
• M16: 19,079,114 km (0.071 R)
• M17: 19,486,768 km (0.076 R)
• M18: 19,830,993 km (0.045 R)
• M19: 22,429,508 km (0.058 R)
• M20: 28,556,139 km (0.066 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 357.1

Radius: 10.5

Gravity: 3.24 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 7.31 AU - 9.95 AU

Year: 9761 Days

Day: 12.8 Hours

Environment

Temp: -168 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 58,476,854 km

• M1: 141,968 km (0.115 R)
• M2: 538,852 km (0.035 R)
• M3: 934,538 km (0.107 R)
• M4: 1,313,021 km (0.096 R)
• M5: 1,970,054 km (0.038 R)
• M6: 4,058,141 km (0.085 R)
• M7: 5,858,701 km (0.066 R)
• M8: 8,220,253 km (0.1 R)
• M9: 9,016,114 km (0.091 R)
• M10: 11,006,364 km (0.111 R)
• M11: 13,050,469 km (0.072 R)
• M12: 14,666,126 km (0.101 R)
• M13: 19,717,897 km (0.084 R)
• M14: 23,444,530 km (0.102 R)
• M15: 31,751,849 km (0.112 R)

Planet 7 - Ice Giant

Semi-Major Axis: 11.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 417.5

Radius: 5.2

Gravity: 15.44 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 11.36 AU - 12.24 AU

Year: 15606 Days

Day: 20.7 Hours

Environment

Temp: -186 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 58,476,854 km

• M1: 64,776 km (0.115 R)
• M2: 328,218 km (0.09 R)
• M3: 1,568,982 km (0.072 R)
• M4: 2,406,282 km (0.11 R)
• M5: 3,254,651 km (0.034 R)
• M6: 3,612,639 km (0.105 R)
• M7: 3,856,334 km (0.092 R)
• M8: 6,608,636 km (0.104 R)
• M9: 10,125,681 km (0.105 R)
• M10: 14,048,437 km (0.113 R)
• M11: 15,063,010 km (0.114 R)
• M12: 17,161,419 km (0.102 R)
• M13: 18,958,239 km (0.103 R)
• M14: 22,647,173 km (0.111 R)
• M15: 23,475,496 km (0.116 R)
• M16: 23,850,089 km (0.11 R)
• M17: 36,526,415 km (0.115 R)
• M18: 39,613,367 km (0.051 R)
• M19: 50,218,210 km (0.118 R)
• M20: 54,025,775 km (0.11 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 127.7

Radius: 6.6

Gravity: 2.93 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 17.31 AU - 20.15 AU

Year: 31209 Days

Day: 23.6 Hours

Environment

Temp: -213 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 58,476,854 km

• M1: 83,326 km (0.112 R)
• M2: 334,950 km (0.107 R)
• M3: 615,146 km (0.112 R)
• M4: 1,257,221 km (0.101 R)
• M5: 1,804,898 km (0.073 R)
• M6: 2,049,940 km (0.113 R)
• M7: 2,761,427 km (0.054 R)
• M8: 2,968,620 km (0.081 R)
• M9: 4,316,347 km (0.065 R)
• M10: 4,660,422 km (0.1 R)
• M11: 7,828,157 km (0.103 R)
• M12: 9,957,384 km (0.111 R)
• M13: 13,271,575 km (0.118 R)
• M14: 14,338,657 km (0.03 R)
• M15: 19,600,911 km (0.051 R)
• M16: 20,456,761 km (0.069 R)
• M17: 21,787,135 km (0.079 R)
• M18: 22,798,566 km (0.055 R)
• M19: 25,014,110 km (0.078 R)
• M20: 31,345,840 km (0.1 R)
• M21: 36,965,933 km (0.086 R)
• M22: 49,675,469 km (0.091 R)
• M23: 50,465,196 km (0.043 R)
• M24: 56,399,744 km (0.062 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: 166 - 10,775 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit