🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.13

Radius: 1.58

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 0.42 AU - 0.62 AU

Year: 246 Days

Day: 38.7 Hours

Environment

Temp: -118 °C

Axial Tilt: 11.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 373.2

Radius: 13.3

Gravity: 2.11 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 1.01 AU - 1.03 AU

Year: 676 Days

Day: 10.5 Hours

Environment

Temp: -164 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 38,771,272 km

• M1: 166,054 km (0.093 R)
• M2: 641,027 km (0.052 R)
• M3: 1,307,037 km (0.095 R)
• M4: 1,770,790 km (0.033 R)
• M5: 3,321,970 km (0.115 R)
• M6: 4,434,978 km (0.086 R)
• M7: 5,014,371 km (0.062 R)
• M8: 5,524,051 km (0.073 R)
• M9: 6,068,438 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 769

Radius: 14.5

Gravity: 3.66 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 1.23 AU - 1.33 AU

Year: 950 Days

Day: 5 Hours

Environment

Temp: -177 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 38,771,272 km

• M1: 180,265 km (0.058 R)
• M2: 640,129 km (0.103 R)
• M3: 1,251,985 km (0.11 R)
• M4: 1,758,523 km (0.11 R)
• M5: 2,493,647 km (0.092 R)
• M6: 3,137,067 km (0.058 R)
• M7: 3,968,532 km (0.107 R)
• M8: 5,091,564 km (0.117 R)
• M9: 5,657,043 km (0.118 R)
• M10: 6,135,009 km (0.106 R)
• M11: 7,610,044 km (0.067 R)
• M12: 8,945,953 km (0.065 R)
• M13: 9,597,451 km (0.113 R)
• M14: 10,250,147 km (0.041 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 253

Radius: 11

Gravity: 2.09 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 1.23 AU - 1.91 AU

Year: 1291 Days

Day: 8.7 Hours

Environment

Temp: -177 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 38,771,272 km

• M1: 136,732 km (0.094 R)
• M2: 546,930 km (0.078 R)
• M3: 1,028,635 km (0.108 R)
• M4: 1,544,000 km (0.104 R)
• M5: 2,445,925 km (0.042 R)
• M6: 3,026,664 km (0.116 R)
• M7: 3,611,891 km (0.108 R)
• M8: 4,319,040 km (0.09 R)
• M9: 4,817,051 km (0.112 R)
• M10: 5,635,950 km (0.091 R)
• M11: 6,109,278 km (0.098 R)
• M12: 7,667,040 km (0.062 R)
• M13: 8,323,925 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 682.9

Radius: 11.5

Gravity: 5.16 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 1.39 AU - 2.03 AU

Year: 1467 Days

Day: 10.2 Hours

Environment

Temp: -181 °C

Axial Tilt: 48.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 38,771,272 km

• M1: 143,016 km (0.116 R)
• M2: 651,798 km (0.09 R)
• M3: 3,089,645 km (0.099 R)
• M4: 3,548,611 km (0.099 R)
• M5: 4,000,247 km (0.116 R)
• M6: 4,623,621 km (0.093 R)
• M7: 5,060,746 km (0.079 R)
• M8: 7,786,120 km (0.113 R)
• M9: 9,494,079 km (0.119 R)
• M10: 10,436,097 km (0.092 R)
• M11: 11,982,939 km (0.071 R)
• M12: 12,467,935 km (0.077 R)
• M13: 12,849,859 km (0.103 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 34.3

Radius: 9.8

Gravity: 0.36 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 1.76 AU - 2.86 AU

Year: 2303 Days

Day: 14.6 Hours

Environment

Temp: -204 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 38,771,272 km

• M1: 123,269 km (0.111 R)
• M2: 508,483 km (0.055 R)
• M3: 956,080 km (0.062 R)
• M4: 1,593,666 km (0.097 R)
• M5: 2,605,097 km (0.077 R)
• M6: 3,741,144 km (0.082 R)
• M7: 4,237,808 km (0.11 R)
• M8: 5,163,071 km (0.105 R)
• M9: 5,621,140 km (0.096 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 429

Radius: 4.2

Gravity: 24.32 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 6.23 AU - 6.29 AU

Year: 10275 Days

Day: 21 Hours

Environment

Temp: -224 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 38,771,272 km

• M1: 52,210 km (0.079 R)
• M2: 229,483 km (0.1 R)
• M3: 385,813 km (0.089 R)
• M4: 1,306,737 km (0.074 R)
• M5: 2,014,335 km (0.091 R)
• M6: 2,233,945 km (0.072 R)
• M7: 2,413,762 km (0.119 R)
• M8: 2,864,051 km (0.107 R)
• M9: 3,299,231 km (0.094 R)
• M10: 3,802,179 km (0.104 R)
• M11: 7,574,290 km (0.046 R)
• M12: 8,926,206 km (0.084 R)
• M13: 9,472,088 km (0.089 R)
• M14: 11,772,006 km (0.06 R)
• M15: 13,752,831 km (0.114 R)
• M16: 14,480,176 km (0.066 R)
• M17: 15,489,364 km (0.075 R)
• M18: 19,390,427 km (0.101 R)
• M19: 20,458,855 km (0.046 R)
• M20: 21,566,029 km (0.114 R)
• M21: 21,727,296 km (0.104 R)
• M22: 25,664,562 km (0.09 R)
• M23: 26,027,935 km (0.074 R)
• M24: 26,579,203 km (0.058 R)
• M25: 30,051,968 km (0.116 R)
• M26: 33,490,176 km (0.077 R)
• M27: 33,924,010 km (0.057 R)
• M28: 35,809,392 km (0.089 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 429.9

Radius: 6.9

Gravity: 9.03 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 6.48 AU - 6.5 AU

Year: 10846 Days

Day: 23.5 Hours

Environment

Temp: -222 °C

Axial Tilt: 43.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 38,771,272 km

• M1: 95,144 km (0.091 R)
• M2: 578,345 km (0.086 R)
• M3: 828,323 km (0.108 R)
• M4: 1,076,207 km (0.09 R)
• M5: 2,690,219 km (0.115 R)
• M6: 3,198,402 km (0.116 R)
• M7: 3,895,828 km (0.099 R)
• M8: 5,923,028 km (0.046 R)
• M9: 7,638,168 km (0.081 R)
• M10: 8,609,357 km (0.106 R)
• M11: 9,101,834 km (0.086 R)
• M12: 9,851,469 km (0.068 R)
• M13: 14,104,835 km (0.111 R)
• M14: 16,630,496 km (0.111 R)
• M15: 25,076,792 km (0.039 R)
• M16: 28,655,323 km (0.1 R)
• M17: 33,207,436 km (0.056 R)
• M18: 36,921,951 km (0.047 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 282.6

Radius: 7.3

Gravity: 5.3 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 6.24 AU - 7.12 AU

Year: 11326 Days

Day: 15.8 Hours

Environment

Temp: -220 °C

Axial Tilt: 45.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 38,771,272 km

• M1: 90,806 km (0.103 R)
• M2: 339,737 km (0.083 R)
• M3: 930,798 km (0.115 R)
• M4: 1,558,062 km (0.06 R)
• M5: 2,230,055 km (0.034 R)
• M6: 2,492,749 km (0.097 R)
• M7: 3,363,259 km (0.111 R)
• M8: 4,184,103 km (0.112 R)
• M9: 8,656,331 km (0.099 R)
• M10: 9,534,321 km (0.05 R)
• M11: 9,808,833 km (0.113 R)
• M12: 10,713,452 km (0.057 R)
• M13: 11,986,829 km (0.082 R)
• M14: 12,908,501 km (0.116 R)
• M15: 16,020,586 km (0.068 R)
• M16: 16,409,091 km (0.107 R)
• M17: 17,887,717 km (0.074 R)
• M18: 19,599,565 km (0.071 R)
• M19: 20,571,203 km (0.118 R)
• M20: 21,339,987 km (0.067 R)
• M21: 22,127,919 km (0.089 R)
• M22: 23,511,699 km (0.081 R)
• M23: 24,182,346 km (0.033 R)
• M24: 24,522,532 km (0.076 R)
• M25: 25,738,014 km (0.104 R)
• M26: 29,047,568 km (0.069 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 509 - 14,608 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit