🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.53 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 795.9

Radius: 8.5

Gravity: 11.02 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 0.85 AU - 1.25 AU

Year: 730 Days

Day: 13.5 Hours

Environment

Temp: -184 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 74,508,705 km

• M1: 105,915 km (0.09 R)
• M2: 423,811 km (0.079 R)
• M3: 713,731 km (0.032 R)
• M4: 1,014,124 km (0.114 R)
• M5: 1,385,426 km (0.051 R)
• M6: 1,802,056 km (0.089 R)
• M7: 2,269,250 km (0.045 R)
• M8: 2,560,068 km (0.068 R)
• M9: 2,863,602 km (0.051 R)
• M10: 3,557,886 km (0.05 R)
• M11: 3,937,266 km (0.097 R)
• M12: 4,392,193 km (0.104 R)
• M13: 4,794,911 km (0.117 R)
• M14: 5,094,855 km (0.076 R)
• M15: 5,426,214 km (0.087 R)
• M16: 5,752,188 km (0.09 R)
• M17: 6,030,440 km (0.093 R)
• M18: 7,189,524 km (0.059 R)
• M19: 7,583,415 km (0.118 R)
• M20: 8,618,483 km (0.071 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 638.9

Radius: 11.3

Gravity: 5 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 1.74 AU - 2.52 AU

Year: 2108 Days

Day: 13.4 Hours

Environment

Temp: -193 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 74,508,705 km

• M1: 140,622 km (0.105 R)
• M2: 501,602 km (0.12 R)
• M3: 870,211 km (0.057 R)
• M4: 1,350,570 km (0.095 R)
• M5: 1,720,824 km (0.053 R)
• M6: 3,400,210 km (0.117 R)
• M7: 4,023,136 km (0.097 R)
• M8: 4,741,953 km (0.099 R)
• M9: 6,028,046 km (0.104 R)
• M10: 6,887,785 km (0.111 R)
• M11: 7,886,949 km (0.069 R)
• M12: 12,293,055 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 361.3

Radius: 13.7

Gravity: 1.92 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 2.24 AU - 3.72 AU

Year: 3489 Days

Day: 11.7 Hours

Environment

Temp: -211 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 74,508,705 km

• M1: 170,392 km (0.095 R)
• M2: 854,054 km (0.099 R)
• M3: 1,434,195 km (0.113 R)
• M4: 1,915,451 km (0.106 R)
• M5: 2,354,072 km (0.047 R)
• M6: 3,283,972 km (0.05 R)
• M7: 3,901,363 km (0.059 R)
• M8: 4,660,572 km (0.119 R)
• M9: 5,298,906 km (0.12 R)
• M10: 6,529,199 km (0.119 R)
• M11: 7,241,435 km (0.114 R)
• M12: 8,292,808 km (0.092 R)
• M13: 9,621,237 km (0.114 R)
• M14: 10,583,002 km (0.071 R)
• M15: 14,131,464 km (0.078 R)
• M16: 15,820,424 km (0.094 R)
• M17: 18,185,267 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 609.1

Radius: 9.6

Gravity: 6.61 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 3.35 AU - 4.07 AU

Year: 4847 Days

Day: 12 Hours

Environment

Temp: -210 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 74,508,705 km

• M1: 125,812 km (0.112 R)
• M2: 450,589 km (0.088 R)
• M3: 754,572 km (0.087 R)
• M4: 1,565,542 km (0.099 R)
• M5: 2,057,120 km (0.05 R)
• M6: 2,734,649 km (0.106 R)
• M7: 3,193,167 km (0.102 R)
• M8: 3,575,240 km (0.093 R)
• M9: 3,920,511 km (0.051 R)
• M10: 5,227,398 km (0.095 R)
• M11: 6,025,054 km (0.08 R)
• M12: 8,077,836 km (0.11 R)
• M13: 9,182,467 km (0.049 R)
• M14: 10,213,047 km (0.053 R)
• M15: 10,558,468 km (0.08 R)
• M16: 11,318,874 km (0.078 R)
• M17: 11,782,777 km (0.114 R)
• M18: 13,099,238 km (0.107 R)
• M19: 13,976,929 km (0.111 R)
• M20: 15,059,120 km (0.094 R)
• M21: 15,563,863 km (0.027 R)
• M22: 17,945,162 km (0.091 R)
• M23: 18,449,157 km (0.056 R)
• M24: 21,743,901 km (0.069 R)
• M25: 22,244,605 km (0.03 R)
• M26: 24,401,058 km (0.091 R)
• M27: 25,490,430 km (0.077 R)
• M28: 27,599,162 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 183.1

Radius: 8.6

Gravity: 2.48 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 3.2 AU - 4.94 AU

Year: 5569 Days

Day: 11.9 Hours

Environment

Temp: -216 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 74,508,705 km

• M1: 108,458 km (0.076 R)
• M2: 489,484 km (0.104 R)
• M3: 1,118,094 km (0.098 R)
• M4: 1,593,068 km (0.087 R)
• M5: 2,865,248 km (0.049 R)
• M6: 3,917,370 km (0.032 R)
• M7: 4,803,438 km (0.057 R)
• M8: 5,207,951 km (0.119 R)
• M9: 5,870,220 km (0.107 R)
• M10: 6,849,039 km (0.094 R)
• M11: 7,643,853 km (0.038 R)
• M12: 9,711,295 km (0.08 R)
• M13: 10,088,880 km (0.069 R)
• M14: 11,322,016 km (0.119 R)
• M15: 15,468,420 km (0.065 R)
• M16: 16,088,353 km (0.097 R)
• M17: 17,322,536 km (0.04 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 722.1

Radius: 13.2

Gravity: 4.14 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 4.68 AU - 5.06 AU

Year: 7289 Days

Day: 6.6 Hours

Environment

Temp: -213 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 74,508,705 km

• M1: 165,455 km (0.07 R)
• M2: 612,304 km (0.073 R)
• M3: 1,084,585 km (0.117 R)
• M4: 1,670,111 km (0.068 R)
• M5: 2,289,296 km (0.116 R)
• M6: 2,797,480 km (0.11 R)
• M7: 3,538,887 km (0.118 R)
• M8: 4,120,374 km (0.115 R)
• M9: 4,994,624 km (0.087 R)
• M10: 7,336,579 km (0.093 R)
• M11: 8,877,437 km (0.119 R)
• M12: 9,541,801 km (0.071 R)
• M13: 12,104,712 km (0.101 R)
• M14: 12,811,262 km (0.078 R)
• M15: 13,545,040 km (0.106 R)
• M16: 14,069,381 km (0.029 R)
• M17: 15,533,944 km (0.057 R)
• M18: 17,368,612 km (0.104 R)
• M19: 18,338,455 km (0.115 R)
• M20: 19,785,814 km (0.101 R)
• M21: 22,098,149 km (0.051 R)
• M22: 23,736,395 km (0.046 R)
• M23: 25,366,413 km (0.112 R)
• M24: 26,887,076 km (0.068 R)
• M25: 30,109,563 km (0.06 R)
• M26: 30,803,548 km (0.106 R)
• M27: 32,845,559 km (0.114 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 311.4

Radius: 3.2

Gravity: 30.41 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 7.1 AU - 7.26 AU

Year: 13049 Days

Day: 17.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 74,508,705 km

• M1: 39,943 km (0.101 R)
• M2: 331,958 km (0.064 R)
• M3: 452,833 km (0.084 R)
• M4: 610,509 km (0.104 R)
• M5: 760,406 km (0.115 R)
• M6: 964,308 km (0.096 R)
• M7: 1,861,147 km (0.053 R)
• M8: 1,973,944 km (0.049 R)
• M9: 2,249,054 km (0.054 R)
• M10: 2,729,264 km (0.069 R)
• M11: 5,025,292 km (0.08 R)
• M12: 6,045,848 km (0.118 R)
• M13: 9,208,946 km (0.073 R)
• M14: 9,632,906 km (0.079 R)
• M15: 10,020,365 km (0.104 R)
• M16: 10,878,308 km (0.07 R)
• M17: 11,784,123 km (0.098 R)
• M18: 14,928,820 km (0.102 R)
• M19: 15,578,973 km (0.094 R)
• M20: 15,777,639 km (0.097 R)
• M21: 16,935,377 km (0.1 R)
• M22: 18,002,907 km (0.119 R)
• M23: 18,148,466 km (0.046 R)
• M24: 18,590,228 km (0.079 R)
• M25: 19,880,360 km (0.113 R)
• M26: 28,597,428 km (0.106 R)
• M27: 29,497,110 km (0.11 R)
• M28: 29,699,516 km (0.086 R)
• M29: 32,632,083 km (0.075 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 737.3

Radius: 4.6

Gravity: 34.84 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 7.83 AU - 10.41 AU

Year: 18680 Days

Day: 21.3 Hours

Environment

Temp: -233 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 74,508,705 km

• M1: 57,595 km (0.039 R)
• M2: 202,556 km (0.066 R)
• M3: 350,807 km (0.086 R)
• M4: 746,643 km (0.045 R)
• M5: 1,125,574 km (0.102 R)
• M6: 1,335,759 km (0.033 R)
• M7: 1,656,796 km (0.099 R)
• M8: 3,009,311 km (0.048 R)
• M9: 3,767,622 km (0.045 R)
• M10: 4,078,337 km (0.088 R)
• M11: 4,541,941 km (0.089 R)
• M12: 7,639,963 km (0.04 R)
• M13: 8,291,013 km (0.051 R)
• M14: 8,656,481 km (0.075 R)
• M15: 11,141,301 km (0.097 R)
• M16: 17,375,194 km (0.116 R)
• M17: 23,158,648 km (0.027 R)
• M18: 24,515,201 km (0.086 R)
• M19: 26,367,821 km (0.113 R)
• M20: 27,157,100 km (0.042 R)
• M21: 29,378,628 km (0.097 R)
• M22: 31,340,904 km (0.111 R)
• M23: 37,891,196 km (0.076 R)
• M24: 43,557,514 km (0.098 R)
• M25: 45,618,524 km (0.113 R)
• M26: 45,779,791 km (0.082 R)
• M27: 46,428,298 km (0.082 R)
• M28: 47,909,765 km (0.099 R)
• M29: 50,793,863 km (0.076 R)
• M30: 52,897,807 km (0.115 R)
• M31: 62,290,908 km (0.082 R)
• M32: 67,587,570 km (0.1 R)
• M33: 73,176,546 km (0.052 R)
• M34: 73,397,502 km (0.041 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 501 - 13,934 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit