🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.7

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 0.58 AU - 0.66 AU

Year: 320 Days

Day: 32.1 Hours

Environment

Temp: -139 °C

Axial Tilt: 25.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 91,345,750 km

• M1: 41,887 km (0.092 R)

Asteroid Belt

Center: 0.87 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 212.1

Radius: 10.8

Gravity: 1.82 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 1.01 AU - 1.23 AU

Year: 778 Days

Day: 13.2 Hours

Environment

Temp: -162 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 91,345,750 km

• M1: 134,339 km (0.05 R)
• M2: 609,462 km (0.058 R)
• M3: 1,296,116 km (0.099 R)
• M4: 1,669,063 km (0.107 R)
• M5: 2,006,257 km (0.057 R)
• M6: 2,991,509 km (0.108 R)
• M7: 3,459,301 km (0.101 R)
• M8: 4,342,976 km (0.065 R)
• M9: 5,068,525 km (0.048 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 660.1

Radius: 10

Gravity: 6.6 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 0.95 AU - 1.59 AU

Year: 939 Days

Day: 8.2 Hours

Environment

Temp: -177 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 91,345,750 km

• M1: 124,316 km (0.089 R)
• M2: 527,781 km (0.065 R)
• M3: 1,537,567 km (0.072 R)
• M4: 1,893,759 km (0.111 R)
• M5: 2,252,046 km (0.086 R)
• M6: 2,715,351 km (0.069 R)
• M7: 3,093,983 km (0.092 R)
• M8: 3,653,778 km (0.082 R)
• M9: 4,100,926 km (0.098 R)
• M10: 5,068,226 km (0.095 R)
• M11: 5,448,354 km (0.119 R)
• M12: 6,159,543 km (0.052 R)
• M13: 6,504,815 km (0.1 R)
• M14: 7,093,333 km (0.055 R)
• M15: 7,594,336 km (0.116 R)
• M16: 9,046,482 km (0.114 R)
• M17: 9,465,057 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 515

Radius: 13.9

Gravity: 2.67 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 1.73 AU - 2.53 AU

Year: 2039 Days

Day: 8.9 Hours

Environment

Temp: -194 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 91,345,750 km

• M1: 172,935 km (0.056 R)
• M2: 643,869 km (0.079 R)
• M3: 1,092,812 km (0.085 R)
• M4: 1,616,405 km (0.108 R)
• M5: 3,544,572 km (0.112 R)
• M6: 5,381,335 km (0.118 R)
• M7: 6,027,897 km (0.085 R)
• M8: 6,622,847 km (0.107 R)
• M9: 7,148,385 km (0.115 R)
• M10: 7,989,125 km (0.117 R)
• M11: 8,801,142 km (0.114 R)
• M12: 9,667,613 km (0.091 R)
• M13: 10,345,590 km (0.064 R)
• M14: 11,608,346 km (0.076 R)
• M15: 12,492,619 km (0.078 R)
• M16: 13,545,638 km (0.081 R)
• M17: 14,051,279 km (0.098 R)
• M18: 14,613,318 km (0.077 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 613.4

Radius: 8.4

Gravity: 8.69 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 1.81 AU - 2.99 AU

Year: 2439 Days

Day: 14.1 Hours

Environment

Temp: -203 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 91,345,750 km

• M1: 104,419 km (0.113 R)
• M2: 423,212 km (0.101 R)
• M3: 754,721 km (0.07 R)
• M4: 1,278,015 km (0.087 R)
• M5: 1,989,951 km (0.098 R)
• M6: 2,455,200 km (0.06 R)
• M7: 3,236,700 km (0.113 R)
• M8: 4,094,943 km (0.065 R)
• M9: 4,482,251 km (0.088 R)
• M10: 5,918,541 km (0.069 R)
• M11: 6,937,751 km (0.109 R)
• M12: 7,400,158 km (0.096 R)
• M13: 7,729,872 km (0.083 R)
• M14: 8,006,927 km (0.099 R)
• M15: 8,978,864 km (0.112 R)
• M16: 9,319,798 km (0.05 R)
• M17: 9,919,087 km (0.108 R)
• M18: 11,790,556 km (0.084 R)
• M19: 13,219,964 km (0.054 R)
• M20: 14,997,935 km (0.115 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 88.4

Radius: 4.4

Gravity: 4.57 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 5.72 AU - 6.68 AU

Year: 10127 Days

Day: 23.1 Hours

Environment

Temp: -225 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 91,345,750 km

• M1: 54,753 km (0.082 R)
• M2: 347,366 km (0.084 R)
• M3: 802,144 km (0.054 R)
• M4: 1,021,155 km (0.086 R)
• M5: 1,191,846 km (0.067 R)
• M6: 2,074,773 km (0.035 R)
• M7: 2,489,458 km (0.111 R)
• M8: 2,683,337 km (0.081 R)
• M9: 4,109,753 km (0.076 R)
• M10: 5,452,094 km (0.1 R)
• M11: 5,641,485 km (0.094 R)
• M12: 7,684,693 km (0.086 R)
• M13: 7,923,002 km (0.051 R)
• M14: 8,668,000 km (0.056 R)
• M15: 10,173,553 km (0.097 R)
• M16: 12,071,651 km (0.087 R)
• M17: 12,627,556 km (0.08 R)
• M18: 12,959,664 km (0.088 R)
• M19: 16,551,359 km (0.09 R)
• M20: 17,941,422 km (0.042 R)
• M21: 20,105,505 km (0.098 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 653.5

Radius: 4.2

Gravity: 37.05 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 8.82 AU - 10.36 AU

Year: 19482 Days

Day: 17.6 Hours

Environment

Temp: -239 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 91,345,750 km

• M1: 52,958 km (0.069 R)
• M2: 241,301 km (0.101 R)
• M3: 460,163 km (0.119 R)
• M4: 912,547 km (0.085 R)
• M5: 1,405,622 km (0.075 R)
• M6: 1,632,562 km (0.039 R)
• M7: 2,201,333 km (0.05 R)
• M8: 2,647,733 km (0.101 R)
• M9: 3,541,430 km (0.104 R)
• M10: 4,024,781 km (0.062 R)
• M11: 4,184,552 km (0.103 R)
• M12: 5,158,733 km (0.041 R)
• M13: 7,164,990 km (0.098 R)
• M14: 18,009,489 km (0.075 R)
• M15: 18,796,524 km (0.083 R)
• M16: 21,780,403 km (0.086 R)
• M17: 22,075,410 km (0.105 R)
• M18: 24,425,892 km (0.12 R)
• M19: 26,825,142 km (0.103 R)
• M20: 30,958,531 km (0.089 R)
• M21: 34,957,133 km (0.097 R)
• M22: 35,496,882 km (0.048 R)
• M23: 37,852,899 km (0.07 R)
• M24: 41,353,489 km (0.116 R)
• M25: 43,803,453 km (0.046 R)
• M26: 46,024,982 km (0.075 R)
• M27: 51,208,997 km (0.106 R)
• M28: 54,210,528 km (0.084 R)
• M29: 55,662,675 km (0.111 R)
• M30: 56,029,788 km (0.079 R)
• M31: 63,714,182 km (0.045 R)
• M32: 65,127,433 km (0.08 R)
• M33: 65,944,237 km (0.097 R)
• M34: 68,646,125 km (0.095 R)
• M35: 70,344,958 km (0.114 R)
• M36: 73,165,027 km (0.091 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 884.3

Radius: 5.8

Gravity: 26.29 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 10.5 AU - 11.02 AU

Year: 23154 Days

Day: 19 Hours

Environment

Temp: -225 °C

Axial Tilt: 45.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 91,345,750 km

• M1: 72,106 km (0.075 R)
• M2: 368,011 km (0.078 R)
• M3: 650,003 km (0.072 R)
• M4: 991,983 km (0.067 R)
• M5: 1,713,644 km (0.032 R)
• M6: 2,487,513 km (0.039 R)
• M7: 2,738,987 km (0.086 R)
• M8: 3,205,434 km (0.056 R)
• M9: 4,052,906 km (0.065 R)
• M10: 4,770,826 km (0.106 R)
• M11: 9,368,118 km (0.084 R)
• M12: 12,611,998 km (0.094 R)
• M13: 20,184,194 km (0.085 R)
• M14: 24,564,120 km (0.094 R)
• M15: 24,792,706 km (0.078 R)
• M16: 38,732,385 km (0.119 R)
• M17: 44,732,606 km (0.102 R)
• M18: 45,073,539 km (0.043 R)
• M19: 46,629,208 km (0.073 R)
• M20: 50,397,428 km (0.051 R)
• M21: 53,592,839 km (0.094 R)
• M22: 59,556,408 km (0.068 R)
• M23: 62,697,664 km (0.082 R)
• M24: 73,252,093 km (0.055 R)
• M25: 73,725,720 km (0.106 R)
• M26: 79,071,600 km (0.077 R)
• M27: 80,321,490 km (0.112 R)
• M28: 83,891,494 km (0.088 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: 432 - 11,696 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit