🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.18

Radius: 1.07

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 0.44 AU - 0.6 AU

Year: 246 Days

Day: 39.8 Hours

Environment

Temp: -127 °C

Axial Tilt: 18.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 69,401,857 km

• M1: 25,731 km (0.086 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 996.4

Radius: 9.3

Gravity: 11.52 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 0.58 AU - 0.82 AU

Year: 384 Days

Day: 8.6 Hours

Environment

Temp: -144 °C

Axial Tilt: 95.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 69,401,857 km

• M1: 115,789 km (0.048 R)
• M2: 509,830 km (0.088 R)
• M3: 925,412 km (0.08 R)
• M4: 1,239,418 km (0.058 R)
• M5: 1,554,920 km (0.025 R)
• M6: 1,973,645 km (0.039 R)
• M7: 2,315,177 km (0.115 R)
• M8: 3,006,319 km (0.084 R)
• M9: 3,400,509 km (0.104 R)
• M10: 3,712,271 km (0.112 R)
• M11: 4,015,805 km (0.109 R)
• M12: 5,091,713 km (0.109 R)
• M13: 5,400,932 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 481.2

Radius: 14

Gravity: 2.46 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 0.95 AU - 1.03 AU

Year: 646 Days

Day: 11 Hours

Environment

Temp: -148 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 69,401,857 km

• M1: 174,132 km (0.059 R)
• M2: 791,672 km (0.091 R)
• M3: 1,298,958 km (0.082 R)
• M4: 1,862,194 km (0.096 R)
• M5: 2,598,066 km (0.113 R)
• M6: 3,688,784 km (0.067 R)
• M7: 4,577,844 km (0.052 R)
• M8: 5,032,921 km (0.106 R)
• M9: 5,501,312 km (0.034 R)
• M10: 6,334,273 km (0.077 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 556.8

Radius: 13.6

Gravity: 3.01 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 0.98 AU - 1 AU

Year: 646 Days

Day: 11.5 Hours

Environment

Temp: -152 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 69,401,857 km

• M1: 169,195 km (0.038 R)
• M2: 675,584 km (0.04 R)
• M3: 1,234,332 km (0.096 R)
• M4: 1,789,490 km (0.058 R)
• M5: 2,729,563 km (0.084 R)
• M6: 3,393,029 km (0.079 R)
• M7: 4,133,389 km (0.104 R)
• M8: 4,881,678 km (0.051 R)
• M9: 5,772,683 km (0.098 R)
• M10: 6,529,797 km (0.116 R)
• M11: 7,036,037 km (0.042 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 600

Radius: 8.2

Gravity: 8.92 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 1.01 AU - 1.65 AU

Year: 1006 Days

Day: 13 Hours

Environment

Temp: -180 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 69,401,857 km

• M1: 102,026 km (0.067 R)
• M2: 380,577 km (0.063 R)
• M3: 649,404 km (0.089 R)
• M4: 967,300 km (0.057 R)
• M5: 1,329,476 km (0.097 R)
• M6: 1,735,634 km (0.109 R)
• M7: 2,522,370 km (0.102 R)
• M8: 4,584,876 km (0.074 R)
• M9: 5,437,284 km (0.078 R)
• M10: 6,089,980 km (0.106 R)
• M11: 6,908,430 km (0.112 R)
• M12: 8,231,922 km (0.098 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 273.4

Radius: 13.5

Gravity: 1.5 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 1.48 AU - 2.4 AU

Year: 1773 Days

Day: 10.5 Hours

Environment

Temp: -190 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 69,401,857 km

• M1: 167,998 km (0.075 R)
• M2: 859,440 km (0.072 R)
• M3: 1,365,829 km (0.101 R)
• M4: 1,953,299 km (0.093 R)
• M5: 3,124,800 km (0.12 R)
• M6: 3,647,196 km (0.086 R)
• M7: 4,227,785 km (0.103 R)
• M8: 5,001,805 km (0.056 R)
• M9: 5,555,317 km (0.085 R)
• M10: 5,975,388 km (0.058 R)
• M11: 6,507,807 km (0.116 R)
• M12: 8,653,339 km (0.079 R)
• M13: 10,459,734 km (0.07 R)
• M14: 10,972,705 km (0.088 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 395.4

Radius: 12

Gravity: 2.75 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 2.45 AU - 2.73 AU

Year: 2734 Days

Day: 6.6 Hours

Environment

Temp: -192 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 69,401,857 km

• M1: 149,299 km (0.034 R)
• M2: 622,028 km (0.088 R)
• M3: 1,035,068 km (0.036 R)
• M4: 1,739,674 km (0.074 R)
• M5: 2,158,099 km (0.12 R)
• M6: 2,574,430 km (0.112 R)
• M7: 3,123,005 km (0.12 R)
• M8: 3,502,535 km (0.106 R)
• M9: 4,436,175 km (0.092 R)
• M10: 4,918,329 km (0.116 R)
• M11: 5,791,831 km (0.048 R)
• M12: 6,712,157 km (0.076 R)
• M13: 7,179,351 km (0.075 R)
• M14: 8,365,363 km (0.039 R)
• M15: 8,939,819 km (0.112 R)
• M16: 11,817,933 km (0.089 R)
• M17: 15,170,720 km (0.085 R)
• M18: 15,977,801 km (0.05 R)
• M19: 16,614,190 km (0.107 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 764.1

Radius: 6.5

Gravity: 18.09 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 6.2 AU - 6.66 AU

Year: 10696 Days

Day: 17.8 Hours

Environment

Temp: -215 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 69,401,857 km

• M1: 80,783 km (0.116 R)
• M2: 496,067 km (0.087 R)
• M3: 1,400,086 km (0.1 R)
• M4: 1,980,526 km (0.093 R)
• M5: 2,543,463 km (0.072 R)
• M6: 3,304,467 km (0.067 R)
• M7: 3,580,625 km (0.064 R)
• M8: 5,166,662 km (0.099 R)
• M9: 6,338,911 km (0.09 R)
• M10: 6,608,785 km (0.118 R)
• M11: 8,484,144 km (0.112 R)
• M12: 10,367,282 km (0.036 R)
• M13: 11,015,639 km (0.059 R)
• M14: 16,475,513 km (0.112 R)
• M15: 18,193,345 km (0.074 R)
• M16: 20,109,694 km (0.066 R)
• M17: 23,230,305 km (0.106 R)
• M18: 31,848,489 km (0.068 R)
• M19: 49,239,092 km (0.088 R)
• M20: 51,836,560 km (0.066 R)

Planet 9 - Ice Giant

Semi-Major Axis: 11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 363

Radius: 5.9

Gravity: 10.43 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 9.67 AU - 12.33 AU

Year: 23933 Days

Day: 21.2 Hours

Environment

Temp: -224 °C

Axial Tilt: 46.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 69,401,857 km

• M1: 127,308 km (0.089 R)
• M2: 396,285 km (0.078 R)
• M3: 679,474 km (0.091 R)
• M4: 916,885 km (0.076 R)
• M5: 1,853,218 km (0.074 R)
• M6: 2,846,698 km (0.095 R)
• M7: 5,209,746 km (0.063 R)
• M8: 6,518,129 km (0.086 R)
• M9: 7,456,556 km (0.093 R)
• M10: 10,278,421 km (0.087 R)
• M11: 11,111,831 km (0.052 R)
• M12: 12,053,998 km (0.101 R)
• M13: 13,391,403 km (0.1 R)
• M14: 14,530,292 km (0.119 R)
• M15: 14,824,850 km (0.051 R)
• M16: 15,048,349 km (0.09 R)
• M17: 15,887,144 km (0.11 R)
• M18: 21,585,178 km (0.097 R)
• M19: 22,749,498 km (0.099 R)
• M20: 23,548,650 km (0.093 R)
• M21: 25,414,733 km (0.072 R)
• M22: 27,713,754 km (0.087 R)
• M23: 29,204,496 km (0.062 R)
• M24: 30,148,010 km (0.092 R)
• M25: 32,595,132 km (0.084 R)
• M26: 35,436,594 km (0.112 R)
• M27: 36,104,698 km (0.089 R)
• M28: 41,458,806 km (0.116 R)
• M29: 41,754,411 km (0.088 R)
• M30: 44,016,481 km (0.101 R)
• M31: 45,099,569 km (0.118 R)
• M32: 45,884,061 km (0.086 R)
• M33: 47,318,854 km (0.085 R)
• M34: 47,966,014 km (0.114 R)
• M35: 48,291,838 km (0.11 R)
• M36: 52,317,367 km (0.102 R)
• M37: 55,838,153 km (0.091 R)
• M38: 58,580,282 km (0.101 R)
• M39: 63,936,484 km (0.067 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: 384 - 15,038 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit