🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.68 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.39

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 0.62 AU - 0.74 AU

Year: 201 Days

Day: 20.7 Hours

Environment

Temp: 172 °C

Axial Tilt: 6.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.8

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 0.64 AU - 0.82 AU

Year: 223 Days

Day: 43.5 Hours

Environment

Temp: 182 °C

Axial Tilt: 21.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 34,996,632 km

• M1: 675,584 km (0.079 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.55

Radius: 0.79

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 1.51 AU - 2.11 AU

Year: 872 Days

Day: 33.6 Hours

Environment

Temp: -57 °C

Axial Tilt: 4.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 4.82 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.7

Radius: 0.87

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 3.96 AU - 5.68 AU

Year: 3790 Days

Day: 28.9 Hours

Environment

Temp: -138 °C

Axial Tilt: 21.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 34,996,632 km

• M1: 289,173 km (0.087 R)

Asteroid Belt

Center: 5.43 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 6.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 323.2

Radius: 15

Gravity: 1.44 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 5.72 AU - 6.36 AU

Year: 5317 Days

Day: 12.6 Hours

Environment

Temp: -139 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 34,996,632 km

• M1: 186,848 km (0.118 R)
• M2: 773,122 km (0.112 R)
• M3: 2,874,224 km (0.118 R)
• M4: 3,908,095 km (0.103 R)
• M5: 4,546,578 km (0.099 R)
• M6: 5,127,317 km (0.045 R)
• M7: 6,321,408 km (0.087 R)
• M8: 6,953,608 km (0.091 R)
• M9: 8,101,024 km (0.111 R)
• M10: 9,524,747 km (0.049 R)
• M11: 10,034,726 km (0.111 R)
• M12: 14,132,960 km (0.082 R)
• M13: 16,579,483 km (0.116 R)
• M14: 18,140,687 km (0.104 R)
• M15: 19,797,932 km (0.098 R)
• M16: 23,553,886 km (0.093 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 180.1

Radius: 14.8

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 5.7 AU - 6.9 AU

Year: 5663 Days

Day: 14.8 Hours

Environment

Temp: -158 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 34,996,632 km

• M1: 184,155 km (0.081 R)
• M2: 735,423 km (0.116 R)
• M3: 1,527,544 km (0.081 R)
• M4: 2,020,170 km (0.12 R)
• M5: 2,517,283 km (0.116 R)
• M6: 3,063,316 km (0.064 R)
• M7: 3,746,080 km (0.071 R)
• M8: 4,207,440 km (0.096 R)
• M9: 4,820,941 km (0.113 R)
• M10: 5,518,965 km (0.096 R)
• M11: 6,478,785 km (0.093 R)
• M12: 7,088,546 km (0.054 R)
• M13: 9,222,559 km (0.116 R)
• M14: 10,147,972 km (0.11 R)
• M15: 11,380,508 km (0.053 R)
• M16: 14,724,619 km (0.075 R)
• M17: 15,474,853 km (0.089 R)
• M18: 16,728,183 km (0.115 R)
• M19: 17,711,789 km (0.057 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 202.7

Radius: 15

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 6.57 AU - 9.63 AU

Year: 8257 Days

Day: 8.5 Hours

Environment

Temp: -169 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 34,996,632 km

• M1: 186,549 km (0.068 R)
• M2: 677,379 km (0.063 R)
• M3: 1,190,051 km (0.064 R)
• M4: 1,933,852 km (0.087 R)
• M5: 2,565,304 km (0.1 R)
• M6: 3,532,604 km (0.114 R)
• M7: 4,227,486 km (0.069 R)
• M8: 5,090,666 km (0.099 R)
• M9: 5,834,766 km (0.117 R)
• M10: 6,431,960 km (0.047 R)
• M11: 7,820,229 km (0.057 R)
• M12: 9,320,396 km (0.081 R)
• M13: 11,411,026 km (0.118 R)
• M14: 12,252,514 km (0.083 R)
• M15: 13,540,702 km (0.111 R)
• M16: 14,112,166 km (0.056 R)
• M17: 20,408,590 km (0.114 R)
• M18: 21,508,883 km (0.077 R)
• M19: 22,793,629 km (0.065 R)
• M20: 23,306,899 km (0.088 R)
• M21: 25,359,233 km (0.099 R)
• M22: 26,309,030 km (0.092 R)

Planet 8 - Gas Giant

Semi-Major Axis: 9.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 221.5

Radius: 9.8

Gravity: 2.31 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 8.7 AU - 10.88 AU

Year: 10971 Days

Day: 6.8 Hours

Environment

Temp: -175 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 34,996,632 km

• M1: 122,072 km (0.045 R)
• M2: 793,168 km (0.108 R)
• M3: 1,160,879 km (0.043 R)
• M4: 1,845,739 km (0.11 R)
• M5: 2,174,704 km (0.1 R)
• M6: 4,969,192 km (0.054 R)
• M7: 6,891,226 km (0.084 R)
• M8: 8,967,345 km (0.116 R)
• M9: 10,895,213 km (0.093 R)
• M10: 11,233,454 km (0.056 R)
• M11: 13,633,004 km (0.091 R)
• M12: 14,368,875 km (0.077 R)
• M13: 14,834,723 km (0.076 R)
• M14: 15,613,081 km (0.082 R)
• M15: 16,292,704 km (0.05 R)
• M16: 19,633,524 km (0.071 R)
• M17: 20,571,652 km (0.102 R)
• M18: 21,463,854 km (0.106 R)
• M19: 23,325,450 km (0.109 R)
• M20: 26,229,593 km (0.109 R)
• M21: 29,928,251 km (0.108 R)
• M22: 31,559,017 km (0.078 R)
• M23: 32,049,698 km (0.067 R)
• M24: 34,166,358 km (0.026 R)

Kuiper Belt

Range: 30.6 - 54.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 362 - 15,119 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit