🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.39

Radius: 0.69

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 0.51 AU - 0.55 AU

Year: 146 Days

Day: 22.5 Hours

Environment

Temp: 168 °C

Axial Tilt: 5.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.93 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.12

Radius: 0.43

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 0.9 AU - 0.96 AU

Year: 340 Days

Day: 13.5 Hours

Environment

Temp: 28 °C

Axial Tilt: 44.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.05

Radius: 1.56

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 1.16 AU - 1.44 AU

Year: 561 Days

Day: 28.9 Hours

Environment

Temp: -25 °C

Axial Tilt: 48.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 94,002,259 km

• M1: 49,068 km (0.079 R)
• M2: 192,084 km (0.105 R)

Planet 4 - Terrestrial

Semi-Major Axis: 4 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.24

Radius: 1.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 3.68 AU - 4.32 AU

Year: 3030 Days

Day: 35.3 Hours

Environment

Temp: -143 °C

Axial Tilt: 31.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 94,002,259 km

• M1: 3,366,999 km (0.106 R)

Asteroid Belt

Center: 5.41 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 6.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 288.6

Radius: 8.1

Gravity: 4.4 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 6.63 AU - 6.99 AU

Year: 6731 Days

Day: 7.3 Hours

Environment

Temp: -157 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 94,002,259 km

• M1: 108,309 km (0.106 R)
• M2: 976,724 km (0.118 R)
• M3: 1,259,614 km (0.062 R)
• M4: 1,847,384 km (0.092 R)
• M5: 2,556,628 km (0.084 R)
• M6: 2,919,253 km (0.057 R)
• M7: 3,684,296 km (0.08 R)
• M8: 4,102,422 km (0.057 R)
• M9: 5,086,627 km (0.059 R)
• M10: 5,805,744 km (0.096 R)
• M11: 6,717,842 km (0.083 R)
• M12: 7,141,354 km (0.101 R)
• M13: 8,670,842 km (0.095 R)
• M14: 10,067,638 km (0.092 R)
• M15: 10,666,328 km (0.059 R)
• M16: 12,999,756 km (0.117 R)
• M17: 14,232,293 km (0.115 R)
• M18: 16,691,382 km (0.11 R)
• M19: 18,903,486 km (0.118 R)
• M20: 23,900,504 km (0.102 R)
• M21: 25,901,974 km (0.099 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 623.8

Radius: 11

Gravity: 5.16 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 6.4 AU - 8.76 AU

Year: 7904 Days

Day: 6.7 Hours

Environment

Temp: -158 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 94,002,259 km

• M1: 136,732 km (0.045 R)
• M2: 575,802 km (0.038 R)
• M3: 1,316,012 km (0.1 R)
• M4: 1,762,113 km (0.055 R)
• M5: 2,207,466 km (0.056 R)
• M6: 3,218,299 km (0.029 R)
• M7: 3,672,029 km (0.108 R)
• M8: 4,272,515 km (0.051 R)
• M9: 7,013,597 km (0.105 R)
• M10: 7,700,850 km (0.055 R)
• M11: 9,661,629 km (0.068 R)
• M12: 10,856,916 km (0.105 R)
• M13: 11,259,484 km (0.071 R)
• M14: 12,148,245 km (0.07 R)
• M15: 13,367,019 km (0.116 R)
• M16: 14,303,352 km (0.075 R)
• M17: 16,701,854 km (0.086 R)
• M18: 17,239,060 km (0.094 R)
• M19: 19,064,902 km (0.11 R)
• M20: 22,524,203 km (0.053 R)
• M21: 24,616,629 km (0.062 R)
• M22: 24,962,948 km (0.119 R)
• M23: 25,754,321 km (0.116 R)
• M24: 31,260,719 km (0.1 R)
• M25: 36,149,877 km (0.1 R)
• M26: 37,963,452 km (0.116 R)
• M27: 39,599,304 km (0.096 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 419.1

Radius: 14.5

Gravity: 1.99 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 7.91 AU - 11.51 AU

Year: 11460 Days

Day: 14.8 Hours

Environment

Temp: -189 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 94,002,259 km

• M1: 182,210 km (0.067 R)
• M2: 942,467 km (0.086 R)
• M3: 1,567,486 km (0.066 R)
• M4: 3,398,415 km (0.088 R)
• M5: 4,091,203 km (0.101 R)
• M6: 6,565,851 km (0.115 R)
• M7: 7,364,703 km (0.119 R)
• M8: 7,974,314 km (0.12 R)
• M9: 8,705,998 km (0.117 R)
• M10: 11,330,692 km (0.069 R)
• M11: 12,538,097 km (0.07 R)
• M12: 15,143,643 km (0.103 R)
• M13: 16,267,123 km (0.068 R)
• M14: 19,053,832 km (0.078 R)
• M15: 19,585,802 km (0.092 R)
• M16: 22,145,272 km (0.094 R)
• M17: 26,204,461 km (0.088 R)
• M18: 28,805,070 km (0.092 R)
• M19: 29,304,876 km (0.118 R)
• M20: 31,891,573 km (0.093 R)
• M21: 38,231,681 km (0.1 R)
• M22: 40,311,241 km (0.064 R)
• M23: 43,243,508 km (0.086 R)

Planet 8 - Ice Giant

Semi-Major Axis: 14.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 372.8

Radius: 5.7

Gravity: 11.47 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 13.05 AU - 16.85 AU

Year: 21893 Days

Day: 24.4 Hours

Environment

Temp: -204 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 94,002,259 km

• M1: 73,901 km (0.119 R)
• M2: 488,287 km (0.067 R)
• M3: 841,937 km (0.078 R)
• M4: 1,832,724 km (0.118 R)
• M5: 2,848,792 km (0.069 R)
• M6: 3,197,654 km (0.084 R)
• M7: 5,059,550 km (0.043 R)
• M8: 5,840,151 km (0.062 R)
• M9: 7,778,042 km (0.116 R)
• M10: 9,179,325 km (0.084 R)
• M11: 10,392,265 km (0.087 R)
• M12: 10,740,678 km (0.079 R)
• M13: 11,522,626 km (0.101 R)
• M14: 13,199,170 km (0.109 R)
• M15: 13,402,473 km (0.103 R)
• M16: 20,073,042 km (0.116 R)
• M17: 21,818,101 km (0.093 R)
• M18: 22,197,930 km (0.062 R)
• M19: 24,264,924 km (0.102 R)
• M20: 24,468,228 km (0.109 R)
• M21: 33,189,335 km (0.106 R)
• M22: 33,439,911 km (0.075 R)
• M23: 34,071,962 km (0.095 R)
• M24: 34,840,746 km (0.083 R)
• M25: 41,703,249 km (0.098 R)
• M26: 43,175,890 km (0.107 R)
• M27: 46,851,211 km (0.099 R)
• M28: 47,642,284 km (0.097 R)
• M29: 59,302,092 km (0.096 R)

Asteroid Belt

Center: 16.29 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Ice Giant

Semi-Major Axis: 17.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 658.4

Radius: 4.3

Gravity: 35.61 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 17.62 AU - 17.62 AU

Year: 28013 Days

Day: 16.7 Hours

Environment

Temp: -194 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 94,002,259 km

• M1: 54,154 km (0.104 R)
• M2: 255,214 km (0.025 R)
• M3: 438,322 km (0.093 R)
• M4: 782,696 km (0.06 R)
• M5: 2,962,038 km (0.097 R)
• M6: 5,331,668 km (0.059 R)
• M7: 9,438,728 km (0.051 R)
• M8: 12,442,653 km (0.102 R)
• M9: 17,635,943 km (0.038 R)
• M10: 32,554,890 km (0.059 R)
• M11: 42,610,859 km (0.108 R)
• M12: 46,198,216 km (0.025 R)
• M13: 49,981,696 km (0.092 R)
• M14: 57,141,001 km (0.06 R)
• M15: 68,999,774 km (0.116 R)
• M16: 75,135,381 km (0.098 R)
• M17: 87,667,793 km (0.106 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 237 - 13,288 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit