🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.11 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 244.2

Radius: 8.9

Gravity: 3.08 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 1.83 AU - 2.61 AU

Year: 2206 Days

Day: 5.1 Hours

Environment

Temp: -214 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 91,545,987 km

• M1: 112,498 km (0.033 R)
• M2: 432,787 km (0.056 R)
• M3: 1,008,738 km (0.036 R)
• M4: 1,379,292 km (0.111 R)
• M5: 1,770,790 km (0.091 R)
• M6: 2,057,868 km (0.07 R)
• M7: 3,710,626 km (0.106 R)
• M8: 4,530,572 km (0.056 R)
• M9: 5,154,544 km (0.118 R)
• M10: 5,508,792 km (0.116 R)
• M11: 7,269,858 km (0.092 R)
• M12: 8,264,235 km (0.049 R)
• M13: 9,530,880 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 529.1

Radius: 9.9

Gravity: 5.4 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 2.45 AU - 3.27 AU

Year: 3225 Days

Day: 13.3 Hours

Environment

Temp: -201 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 91,545,987 km

• M1: 123,119 km (0.053 R)
• M2: 432,936 km (0.067 R)
• M3: 828,922 km (0.054 R)
• M4: 1,324,091 km (0.1 R)
• M5: 1,827,188 km (0.11 R)
• M6: 2,527,306 km (0.102 R)
• M7: 2,931,520 km (0.111 R)
• M8: 3,378,668 km (0.101 R)
• M9: 4,281,790 km (0.077 R)
• M10: 4,836,050 km (0.095 R)
• M11: 5,487,848 km (0.106 R)
• M12: 6,088,185 km (0.113 R)
• M13: 6,995,645 km (0.105 R)
• M14: 8,901,821 km (0.079 R)
• M15: 9,842,792 km (0.091 R)
• M16: 12,794,657 km (0.107 R)
• M17: 15,822,368 km (0.067 R)
• M18: 16,343,418 km (0.082 R)
• M19: 17,364,722 km (0.096 R)
• M20: 17,695,932 km (0.051 R)
• M21: 18,946,570 km (0.083 R)
• M22: 19,534,191 km (0.038 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 113.1

Radius: 11.4

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 3.48 AU - 3.8 AU

Year: 4631 Days

Day: 9.7 Hours

Environment

Temp: -219 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 91,545,987 km

• M1: 142,417 km (0.046 R)
• M2: 610,958 km (0.088 R)
• M3: 1,088,624 km (0.084 R)
• M4: 1,888,524 km (0.03 R)
• M5: 2,424,832 km (0.111 R)
• M6: 3,076,331 km (0.092 R)
• M7: 3,544,871 km (0.04 R)
• M8: 4,060,685 km (0.092 R)
• M9: 5,939,634 km (0.104 R)
• M10: 6,411,615 km (0.08 R)
• M11: 7,544,071 km (0.094 R)
• M12: 8,218,309 km (0.084 R)
• M13: 8,773,766 km (0.09 R)
• M14: 12,091,098 km (0.085 R)
• M15: 13,856,204 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 61.4

Radius: 14.7

Gravity: 0.28 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 4.35 AU - 4.57 AU

Year: 6281 Days

Day: 10.7 Hours

Environment

Temp: -217 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 91,545,987 km

• M1: 182,809 km (0.084 R)
• M2: 746,793 km (0.086 R)
• M3: 2,319,216 km (0.093 R)
• M4: 2,928,378 km (0.086 R)
• M5: 3,799,936 km (0.067 R)
• M6: 5,029,331 km (0.078 R)
• M7: 6,484,170 km (0.083 R)
• M8: 7,117,418 km (0.051 R)
• M9: 8,264,534 km (0.066 R)
• M10: 9,732,688 km (0.079 R)
• M11: 13,431,196 km (0.104 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 162

Radius: 3.8

Gravity: 11.22 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 5.11 AU - 6.97 AU

Year: 9899 Days

Day: 18.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 91,545,987 km

• M1: 50,564 km (0.119 R)
• M2: 351,854 km (0.098 R)
• M3: 692,489 km (0.086 R)
• M4: 1,122,882 km (0.092 R)
• M5: 1,275,471 km (0.099 R)
• M6: 1,817,913 km (0.075 R)
• M7: 2,417,053 km (0.073 R)
• M8: 2,871,232 km (0.037 R)
• M9: 3,421,453 km (0.079 R)
• M10: 4,132,791 km (0.1 R)
• M11: 4,374,092 km (0.109 R)
• M12: 4,831,862 km (0.086 R)
• M13: 4,964,555 km (0.089 R)
• M14: 5,292,773 km (0.083 R)
• M15: 6,492,248 km (0.118 R)
• M16: 8,345,317 km (0.094 R)
• M17: 10,043,403 km (0.053 R)
• M18: 12,647,602 km (0.09 R)
• M19: 15,153,816 km (0.077 R)
• M20: 15,553,242 km (0.116 R)
• M21: 16,794,007 km (0.119 R)
• M22: 20,215,759 km (0.082 R)
• M23: 21,333,404 km (0.115 R)
• M24: 24,618,125 km (0.109 R)
• M25: 25,090,555 km (0.115 R)
• M26: 26,709,353 km (0.076 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 280.4

Radius: 4.9

Gravity: 11.68 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 6.43 AU - 7.45 AU

Year: 12192 Days

Day: 21.6 Hours

Environment

Temp: -226 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 91,545,987 km

• M1: 76,744 km (0.102 R)
• M2: 230,231 km (0.066 R)
• M3: 415,433 km (0.086 R)
• M4: 790,326 km (0.052 R)
• M5: 1,245,851 km (0.102 R)
• M6: 1,890,767 km (0.105 R)
• M7: 3,353,386 km (0.12 R)
• M8: 3,515,700 km (0.11 R)
• M9: 3,881,167 km (0.072 R)
• M10: 4,380,076 km (0.12 R)
• M11: 4,832,310 km (0.056 R)
• M12: 5,346,329 km (0.064 R)
• M13: 5,632,809 km (0.094 R)
• M14: 8,097,284 km (0.077 R)
• M15: 8,517,953 km (0.116 R)
• M16: 8,997,414 km (0.103 R)
• M17: 9,221,213 km (0.104 R)
• M18: 9,726,554 km (0.1 R)
• M19: 9,962,321 km (0.104 R)
• M20: 15,135,415 km (0.106 R)
• M21: 16,362,417 km (0.111 R)
• M22: 16,898,276 km (0.054 R)
• M23: 17,239,060 km (0.095 R)
• M24: 18,075,761 km (0.061 R)
• M25: 18,432,253 km (0.104 R)
• M26: 22,999,925 km (0.11 R)
• M27: 23,927,431 km (0.111 R)
• M28: 26,767,248 km (0.099 R)
• M29: 34,832,817 km (0.109 R)
• M30: 36,505,920 km (0.101 R)
• M31: 37,190,031 km (0.102 R)
• M32: 40,011,746 km (0.067 R)
• M33: 40,617,019 km (0.068 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 103.4

Radius: 4.5

Gravity: 5.11 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 8.02 AU - 9.76 AU

Year: 17676 Days

Day: 19.6 Hours

Environment

Temp: -242 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 91,545,987 km

• M1: 56,997 km (0.073 R)
• M2: 262,544 km (0.029 R)
• M3: 1,113,008 km (0.026 R)
• M4: 1,794,127 km (0.083 R)
• M5: 2,334,624 km (0.03 R)
• M6: 2,757,388 km (0.098 R)
• M7: 7,476,154 km (0.091 R)
• M8: 7,863,911 km (0.071 R)
• M9: 8,512,119 km (0.064 R)
• M10: 11,718,450 km (0.076 R)
• M11: 16,539,241 km (0.115 R)
• M12: 30,605,630 km (0.118 R)
• M13: 31,997,040 km (0.053 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 738.4

Radius: 4.8

Gravity: 32.05 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 7.95 AU - 10.11 AU

Year: 18095 Days

Day: 18.2 Hours

Environment

Temp: -235 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 91,545,987 km

• M1: 59,690 km (0.107 R)
• M2: 430,692 km (0.084 R)
• M3: 706,551 km (0.056 R)
• M4: 1,080,396 km (0.091 R)
• M5: 2,274,336 km (0.106 R)
• M6: 2,562,911 km (0.034 R)
• M7: 2,752,451 km (0.117 R)
• M8: 3,349,796 km (0.091 R)
• M9: 3,813,549 km (0.09 R)
• M10: 4,553,759 km (0.108 R)
• M11: 5,423,820 km (0.11 R)
• M12: 6,103,593 km (0.104 R)
• M13: 6,313,778 km (0.079 R)
• M14: 6,704,677 km (0.087 R)
• M15: 6,928,625 km (0.055 R)
• M16: 8,174,626 km (0.102 R)
• M17: 8,482,199 km (0.091 R)
• M18: 8,957,771 km (0.095 R)
• M19: 9,789,685 km (0.113 R)
• M20: 10,253,887 km (0.102 R)
• M21: 10,854,672 km (0.04 R)
• M22: 12,059,982 km (0.111 R)
• M23: 12,458,511 km (0.062 R)
• M24: 12,729,133 km (0.068 R)
• M25: 13,142,173 km (0.073 R)
• M26: 15,036,082 km (0.074 R)
• M27: 19,355,272 km (0.106 R)
• M28: 27,164,131 km (0.074 R)
• M29: 29,609,009 km (0.102 R)
• M30: 32,834,339 km (0.081 R)
• M31: 34,003,297 km (0.113 R)
• M32: 36,149,278 km (0.105 R)
• M33: 40,708,872 km (0.11 R)
• M34: 41,604,514 km (0.096 R)
• M35: 44,056,723 km (0.057 R)
• M36: 54,469,183 km (0.075 R)
• M37: 54,829,864 km (0.115 R)
• M38: 55,738,671 km (0.113 R)
• M39: 57,773,202 km (0.085 R)
• M40: 72,762,160 km (0.106 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 996.5

Radius: 4.7

Gravity: 45.11 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 8.23 AU - 12.27 AU

Year: 21883 Days

Day: 22.3 Hours

Environment

Temp: -245 °C

Axial Tilt: 46.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 91,545,987 km

• M1: 59,241 km (0.119 R)
• M2: 220,507 km (0.07 R)
• M3: 392,545 km (0.059 R)
• M4: 736,770 km (0.104 R)
• M5: 1,073,066 km (0.062 R)
• M6: 1,291,778 km (0.075 R)
• M7: 1,961,078 km (0.107 R)
• M8: 4,507,234 km (0.042 R)
• M9: 6,456,644 km (0.117 R)
• M10: 7,281,676 km (0.091 R)
• M11: 7,693,370 km (0.089 R)
• M12: 9,080,142 km (0.117 R)
• M13: 9,801,503 km (0.098 R)
• M14: 18,187,212 km (0.057 R)
• M15: 19,622,753 km (0.115 R)
• M16: 20,824,323 km (0.097 R)
• M17: 21,029,272 km (0.09 R)
• M18: 21,862,532 km (0.074 R)
• M19: 24,266,869 km (0.092 R)
• M20: 27,328,838 km (0.119 R)
• M21: 31,979,686 km (0.085 R)
• M22: 32,389,585 km (0.112 R)
• M23: 33,780,994 km (0.091 R)
• M24: 36,385,045 km (0.111 R)
• M25: 36,831,594 km (0.111 R)
• M26: 40,219,238 km (0.088 R)
• M27: 43,641,289 km (0.049 R)
• M28: 46,200,909 km (0.115 R)
• M29: 48,678,698 km (0.064 R)
• M30: 49,767,172 km (0.113 R)
• M31: 50,317,393 km (0.111 R)
• M32: 57,844,560 km (0.098 R)
• M33: 60,511,292 km (0.102 R)
• M34: 65,867,494 km (0.038 R)
• M35: 66,752,814 km (0.115 R)
• M36: 66,975,416 km (0.071 R)
• M37: 76,532,625 km (0.087 R)
• M38: 80,244,298 km (0.115 R)
• M39: 84,333,705 km (0.117 R)
• M40: 86,694,060 km (0.095 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 412 - 17,073 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit