🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 400.1

Radius: 8.4

Gravity: 5.67 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 0.54 AU - 0.84 AU

Year: 389 Days

Day: 9.5 Hours

Environment

Temp: -154 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 69,420,425 km

• M1: 106,514 km (0.075 R)
• M2: 377,286 km (0.12 R)
• M3: 649,404 km (0.092 R)
• M4: 1,222,663 km (0.107 R)
• M5: 1,917,994 km (0.072 R)
• M6: 2,431,115 km (0.111 R)
• M7: 3,614,883 km (0.103 R)
• M8: 3,944,896 km (0.086 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 95.4

Radius: 9.3

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 0.75 AU - 0.95 AU

Year: 532 Days

Day: 7.9 Hours

Environment

Temp: -165 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 69,420,425 km

• M1: 115,639 km (0.067 R)
• M2: 587,770 km (0.093 R)
• M3: 925,113 km (0.076 R)
• M4: 1,520,214 km (0.107 R)
• M5: 2,666,881 km (0.047 R)
• M6: 3,273,650 km (0.087 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 563.2

Radius: 11.3

Gravity: 4.41 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 3.07 AU - 4.51 AU

Year: 5004 Days

Day: 12.1 Hours

Environment

Temp: -208 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 69,420,425 km

• M1: 140,472 km (0.104 R)
• M2: 893,398 km (0.098 R)
• M3: 1,760,318 km (0.102 R)
• M4: 2,242,023 km (0.109 R)
• M5: 2,689,919 km (0.025 R)
• M6: 3,393,478 km (0.097 R)
• M7: 3,942,801 km (0.046 R)
• M8: 4,357,337 km (0.102 R)
• M9: 5,522,705 km (0.08 R)
• M10: 6,013,535 km (0.086 R)
• M11: 7,839,527 km (0.095 R)
• M12: 8,996,218 km (0.092 R)
• M13: 9,718,177 km (0.092 R)
• M14: 10,962,382 km (0.088 R)
• M15: 11,460,992 km (0.074 R)
• M16: 12,022,283 km (0.078 R)
• M17: 12,998,409 km (0.116 R)
• M18: 15,052,687 km (0.073 R)
• M19: 19,399,104 km (0.114 R)
• M20: 21,154,934 km (0.08 R)
• M21: 26,405,670 km (0.055 R)
• M22: 27,634,018 km (0.064 R)
• M23: 28,304,665 km (0.071 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 918.5

Radius: 14.7

Gravity: 4.25 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 4.19 AU - 5.41 AU

Year: 7133 Days

Day: 7.8 Hours

Environment

Temp: -213 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 69,420,425 km

• M1: 182,809 km (0.089 R)
• M2: 1,283,400 km (0.098 R)
• M3: 1,907,971 km (0.091 R)
• M4: 2,599,113 km (0.061 R)
• M5: 3,142,453 km (0.103 R)
• M6: 5,155,891 km (0.119 R)
• M7: 5,988,403 km (0.077 R)
• M8: 6,652,318 km (0.06 R)
• M9: 7,600,469 km (0.104 R)
• M10: 8,507,781 km (0.036 R)
• M11: 9,394,297 km (0.105 R)
• M12: 9,907,717 km (0.081 R)
• M13: 10,638,054 km (0.114 R)
• M14: 12,151,835 km (0.083 R)
• M15: 14,841,605 km (0.117 R)
• M16: 15,995,004 km (0.113 R)
• M17: 17,484,850 km (0.092 R)
• M18: 18,263,656 km (0.055 R)
• M19: 20,120,016 km (0.055 R)
• M20: 20,975,417 km (0.097 R)
• M21: 21,612,704 km (0.091 R)
• M22: 25,621,179 km (0.066 R)
• M23: 30,809,981 km (0.114 R)
• M24: 36,545,713 km (0.082 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 949.8

Radius: 6.9

Gravity: 19.95 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 6.22 AU - 7.66 AU

Year: 12400 Days

Day: 23.1 Hours

Environment

Temp: -234 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 69,420,425 km

• M1: 86,767 km (0.069 R)
• M2: 338,091 km (0.102 R)
• M3: 759,808 km (0.065 R)
• M4: 1,060,051 km (0.096 R)
• M5: 1,716,187 km (0.106 R)
• M6: 1,993,092 km (0.054 R)
• M7: 2,865,398 km (0.084 R)
• M8: 4,457,269 km (0.095 R)
• M9: 5,699,679 km (0.054 R)
• M10: 5,927,367 km (0.084 R)
• M11: 6,160,889 km (0.056 R)
• M12: 6,400,694 km (0.049 R)
• M13: 11,079,817 km (0.089 R)
• M14: 12,483,045 km (0.058 R)
• M15: 12,803,035 km (0.068 R)
• M16: 13,063,036 km (0.103 R)
• M17: 15,271,399 km (0.111 R)
• M18: 16,540,438 km (0.058 R)
• M19: 18,367,178 km (0.091 R)
• M20: 19,714,456 km (0.116 R)
• M21: 20,148,739 km (0.098 R)
• M22: 25,253,467 km (0.085 R)
• M23: 26,076,255 km (0.105 R)
• M24: 30,807,737 km (0.118 R)
• M25: 33,069,357 km (0.09 R)
• M26: 33,436,321 km (0.05 R)
• M27: 35,439,287 km (0.053 R)
• M28: 37,124,656 km (0.05 R)
• M29: 38,862,684 km (0.116 R)
• M30: 39,682,780 km (0.076 R)
• M31: 41,075,237 km (0.106 R)
• M32: 46,971,637 km (0.092 R)
• M33: 49,320,772 km (0.116 R)
• M34: 49,960,154 km (0.091 R)
• M35: 51,419,032 km (0.081 R)
• M36: 58,247,427 km (0.095 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 615.4

Radius: 3.4

Gravity: 53.24 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 7.13 AU - 8.51 AU

Year: 14832 Days

Day: 20.6 Hours

Environment

Temp: -236 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 69,420,425 km

• M1: 42,336 km (0.1 R)
• M2: 193,430 km (0.025 R)
• M3: 332,406 km (0.084 R)
• M4: 487,988 km (0.102 R)
• M5: 926,310 km (0.026 R)
• M6: 1,038,957 km (0.115 R)
• M7: 1,251,985 km (0.09 R)
• M8: 1,478,177 km (0.113 R)
• M9: 1,649,167 km (0.084 R)
• M10: 3,419,359 km (0.088 R)
• M11: 3,831,949 km (0.111 R)
• M12: 4,276,704 km (0.113 R)
• M13: 6,607,289 km (0.071 R)
• M14: 7,511,159 km (0.104 R)
• M15: 10,097,856 km (0.118 R)
• M16: 10,207,661 km (0.085 R)
• M17: 11,057,527 km (0.101 R)
• M18: 12,262,687 km (0.056 R)
• M19: 15,873,830 km (0.104 R)
• M20: 16,550,162 km (0.114 R)
• M21: 16,703,051 km (0.056 R)
• M22: 18,365,233 km (0.12 R)
• M23: 18,859,654 km (0.08 R)
• M24: 19,278,528 km (0.056 R)
• M25: 19,617,966 km (0.034 R)
• M26: 21,284,935 km (0.049 R)
• M27: 22,106,526 km (0.11 R)
• M28: 22,854,516 km (0.078 R)
• M29: 24,007,616 km (0.063 R)
• M30: 25,911,997 km (0.073 R)
• M31: 27,699,093 km (0.095 R)
• M32: 29,679,170 km (0.119 R)
• M33: 33,428,392 km (0.109 R)
• M34: 33,795,356 km (0.078 R)
• M35: 34,912,104 km (0.05 R)
• M36: 37,349,951 km (0.099 R)
• M37: 38,811,971 km (0.091 R)
• M38: 40,866,548 km (0.072 R)
• M39: 42,133,343 km (0.101 R)
• M40: 46,393,292 km (0.111 R)
• M41: 47,002,454 km (0.113 R)
• M42: 49,969,279 km (0.103 R)
• M43: 56,444,922 km (0.063 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 893.5

Radius: 4.7

Gravity: 40.45 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 7.59 AU - 8.35 AU

Year: 15261 Days

Day: 20.6 Hours

Environment

Temp: -228 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 69,420,425 km

• M1: 58,642 km (0.101 R)
• M2: 265,536 km (0.107 R)
• M3: 859,141 km (0.113 R)
• M4: 1,129,314 km (0.106 R)
• M5: 2,007,155 km (0.116 R)
• M6: 3,161,601 km (0.11 R)
• M7: 4,300,789 km (0.088 R)
• M8: 4,874,048 km (0.032 R)
• M9: 7,539,134 km (0.118 R)
• M10: 8,119,275 km (0.096 R)
• M11: 8,573,604 km (0.09 R)
• M12: 8,833,156 km (0.082 R)
• M13: 9,643,528 km (0.112 R)
• M14: 11,224,927 km (0.116 R)
• M15: 11,535,791 km (0.079 R)
• M16: 14,669,268 km (0.117 R)
• M17: 16,509,471 km (0.086 R)
• M18: 17,734,678 km (0.053 R)
• M19: 20,456,462 km (0.104 R)
• M20: 21,676,133 km (0.087 R)
• M21: 22,255,226 km (0.115 R)
• M22: 23,142,940 km (0.115 R)
• M23: 23,444,081 km (0.113 R)
• M24: 26,055,760 km (0.064 R)
• M25: 26,820,205 km (0.061 R)
• M26: 31,971,907 km (0.063 R)
• M27: 36,783,872 km (0.032 R)
• M28: 38,023,291 km (0.062 R)
• M29: 40,006,061 km (0.071 R)
• M30: 41,022,878 km (0.105 R)
• M31: 42,805,935 km (0.109 R)
• M32: 44,485,021 km (0.113 R)
• M33: 45,262,631 km (0.097 R)
• M34: 48,137,004 km (0.111 R)
• M35: 51,641,335 km (0.099 R)
• M36: 53,893,830 km (0.1 R)
• M37: 55,133,398 km (0.092 R)
• M38: 56,754,889 km (0.094 R)
• M39: 61,042,813 km (0.096 R)
• M40: 65,341,358 km (0.074 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: 217 - 13,237 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit