🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.57 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 469.9

Radius: 9.2

Gravity: 5.55 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 0.94 AU - 1.32 AU

Year: 801 Days

Day: 7.6 Hours

Environment

Temp: -183 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 67,364,582 km

• M1: 114,592 km (0.096 R)
• M2: 408,103 km (0.067 R)
• M3: 700,268 km (0.113 R)
• M4: 1,053,319 km (0.115 R)
• M5: 1,437,785 km (0.115 R)
• M6: 1,862,793 km (0.056 R)
• M7: 2,908,482 km (0.07 R)
• M8: 3,263,926 km (0.09 R)
• M9: 3,902,111 km (0.06 R)
• M10: 4,304,978 km (0.078 R)
• M11: 4,868,364 km (0.096 R)
• M12: 6,044,502 km (0.097 R)
• M13: 6,709,465 km (0.114 R)
• M14: 7,333,437 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 565.1

Radius: 11.4

Gravity: 4.35 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 1.45 AU - 1.87 AU

Year: 1426 Days

Day: 10.6 Hours

Environment

Temp: -195 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 67,364,582 km

• M1: 141,819 km (0.1 R)
• M2: 618,587 km (0.102 R)
• M3: 1,196,334 km (0.065 R)
• M4: 1,621,940 km (0.107 R)
• M5: 2,182,035 km (0.077 R)
• M6: 2,761,876 km (0.042 R)
• M7: 3,218,299 km (0.071 R)
• M8: 3,692,823 km (0.081 R)
• M9: 5,157,387 km (0.106 R)
• M10: 6,009,496 km (0.084 R)
• M11: 6,422,386 km (0.086 R)
• M12: 7,254,450 km (0.096 R)
• M13: 7,830,252 km (0.056 R)
• M14: 8,240,000 km (0.113 R)
• M15: 8,837,943 km (0.092 R)
• M16: 10,248,950 km (0.085 R)
• M17: 11,076,077 km (0.057 R)
• M18: 11,628,392 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 687.7

Radius: 11

Gravity: 5.68 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 2.05 AU - 2.95 AU

Year: 2636 Days

Day: 7.5 Hours

Environment

Temp: -216 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 67,364,582 km

• M1: 136,732 km (0.065 R)
• M2: 501,452 km (0.043 R)
• M3: 976,874 km (0.092 R)
• M4: 1,400,236 km (0.068 R)
• M5: 1,771,987 km (0.086 R)
• M6: 2,907,883 km (0.117 R)
• M7: 3,379,117 km (0.058 R)
• M8: 3,920,511 km (0.101 R)
• M9: 4,475,968 km (0.113 R)
• M10: 5,951,452 km (0.107 R)
• M11: 6,490,304 km (0.085 R)
• M12: 7,179,651 km (0.106 R)
• M13: 7,759,492 km (0.08 R)
• M14: 8,304,627 km (0.111 R)
• M15: 8,772,419 km (0.114 R)
• M16: 9,651,755 km (0.081 R)
• M17: 10,396,753 km (0.088 R)
• M18: 10,744,269 km (0.119 R)
• M19: 11,503,627 km (0.119 R)
• M20: 12,643,713 km (0.107 R)
• M21: 15,345,301 km (0.102 R)
• M22: 16,102,266 km (0.118 R)
• M23: 18,354,312 km (0.07 R)
• M24: 19,731,660 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 166.6

Radius: 13.8

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 2.5 AU - 3.52 AU

Year: 3482 Days

Day: 10.7 Hours

Environment

Temp: -202 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 67,364,582 km

• M1: 171,738 km (0.049 R)
• M2: 669,450 km (0.091 R)
• M3: 1,335,460 km (0.083 R)
• M4: 1,957,787 km (0.033 R)
• M5: 3,990,972 km (0.108 R)
• M6: 4,534,910 km (0.071 R)
• M7: 5,658,091 km (0.112 R)
• M8: 7,306,809 km (0.097 R)
• M9: 8,724,398 km (0.095 R)
• M10: 9,449,798 km (0.056 R)
• M11: 10,181,182 km (0.093 R)
• M12: 12,136,875 km (0.072 R)
• M13: 14,678,393 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 229.6

Radius: 13.4

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 3.18 AU - 3.3 AU

Year: 3889 Days

Day: 10.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 67,364,582 km

• M1: 170,093 km (0.073 R)
• M2: 851,212 km (0.112 R)
• M3: 1,299,856 km (0.109 R)
• M4: 1,811,181 km (0.091 R)
• M5: 2,298,122 km (0.115 R)
• M6: 2,964,731 km (0.117 R)
• M7: 3,577,783 km (0.088 R)
• M8: 4,194,874 km (0.105 R)
• M9: 4,687,649 km (0.094 R)
• M10: 5,105,027 km (0.085 R)
• M11: 5,692,349 km (0.049 R)
• M12: 6,947,026 km (0.112 R)
• M13: 8,189,586 km (0.114 R)
• M14: 8,700,163 km (0.084 R)
• M15: 9,130,556 km (0.047 R)
• M16: 10,657,203 km (0.096 R)
• M17: 11,305,410 km (0.1 R)
• M18: 11,738,945 km (0.091 R)
• M19: 12,597,337 km (0.063 R)
• M20: 13,584,983 km (0.104 R)
• M21: 16,106,604 km (0.07 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 469.4

Radius: 11

Gravity: 3.88 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 3.91 AU - 5.75 AU

Year: 7079 Days

Day: 5.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 67,364,582 km

• M1: 146,905 km (0.109 R)
• M2: 704,157 km (0.075 R)
• M3: 1,057,507 km (0.036 R)
• M4: 1,802,654 km (0.117 R)
• M5: 2,390,424 km (0.107 R)
• M6: 4,597,143 km (0.115 R)
• M7: 6,794,885 km (0.067 R)
• M8: 7,178,304 km (0.107 R)
• M9: 7,836,834 km (0.088 R)
• M10: 9,274,619 km (0.087 R)
• M11: 10,509,101 km (0.059 R)
• M12: 11,310,347 km (0.103 R)
• M13: 12,101,121 km (0.095 R)
• M14: 12,561,883 km (0.073 R)
• M15: 13,792,774 km (0.115 R)
• M16: 14,352,420 km (0.114 R)
• M17: 25,244,192 km (0.097 R)
• M18: 32,083,059 km (0.042 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 338.5

Radius: 6.5

Gravity: 8.01 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 5.45 AU - 7.89 AU

Year: 11487 Days

Day: 24.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 67,364,582 km

• M1: 81,381 km (0.086 R)
• M2: 487,390 km (0.084 R)
• M3: 768,783 km (0.076 R)
• M4: 1,246,300 km (0.072 R)
• M5: 1,491,790 km (0.118 R)
• M6: 1,936,844 km (0.084 R)
• M7: 2,250,999 km (0.116 R)
• M8: 3,356,228 km (0.113 R)
• M9: 3,937,266 km (0.105 R)
• M10: 5,423,521 km (0.057 R)
• M11: 6,118,254 km (0.091 R)
• M12: 6,613,273 km (0.11 R)
• M13: 7,804,072 km (0.09 R)
• M14: 8,687,896 km (0.113 R)
• M15: 11,473,558 km (0.08 R)
• M16: 12,446,543 km (0.1 R)
• M17: 13,768,390 km (0.06 R)
• M18: 15,117,762 km (0.106 R)
• M19: 18,872,819 km (0.107 R)
• M20: 20,225,333 km (0.056 R)
• M21: 20,456,910 km (0.058 R)
• M22: 22,538,415 km (0.114 R)
• M23: 27,493,097 km (0.077 R)
• M24: 27,777,333 km (0.065 R)
• M25: 28,933,874 km (0.087 R)
• M26: 32,384,648 km (0.044 R)
• M27: 39,365,632 km (0.107 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 703.5

Radius: 3.1

Gravity: 73.2 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 7.32 AU - 7.58 AU

Year: 13560 Days

Day: 18.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 67,364,582 km

• M1: 43,234 km (0.102 R)
• M2: 184,155 km (0.063 R)
• M3: 314,305 km (0.091 R)
• M4: 1,310,627 km (0.099 R)
• M5: 1,819,559 km (0.097 R)
• M6: 1,978,731 km (0.036 R)
• M7: 3,632,386 km (0.115 R)
• M8: 3,799,487 km (0.102 R)
• M9: 3,971,823 km (0.09 R)
• M10: 7,395,371 km (0.12 R)
• M11: 11,412,522 km (0.12 R)
• M12: 12,198,809 km (0.118 R)
• M13: 13,280,401 km (0.077 R)
• M14: 14,843,550 km (0.075 R)
• M15: 14,984,920 km (0.069 R)
• M16: 15,632,529 km (0.117 R)
• M17: 18,167,165 km (0.084 R)
• M18: 18,329,030 km (0.097 R)
• M19: 19,320,415 km (0.117 R)
• M20: 21,140,573 km (0.074 R)
• M21: 21,499,757 km (0.116 R)
• M22: 26,132,354 km (0.04 R)
• M23: 27,280,369 km (0.103 R)
• M24: 31,271,939 km (0.107 R)
• M25: 40,113,023 km (0.077 R)
• M26: 42,914,543 km (0.1 R)
• M27: 45,544,773 km (0.111 R)
• M28: 52,915,160 km (0.09 R)
• M29: 54,579,586 km (0.036 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 674.6

Radius: 4.9

Gravity: 28.1 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 6.73 AU - 10.45 AU

Year: 16789 Days

Day: 24.6 Hours

Environment

Temp: -236 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 67,364,582 km

• M1: 60,886 km (0.035 R)
• M2: 219,310 km (0.087 R)
• M3: 748,737 km (0.076 R)
• M4: 1,685,519 km (0.114 R)
• M5: 1,933,253 km (0.092 R)
• M6: 2,392,668 km (0.082 R)
• M7: 2,776,836 km (0.085 R)
• M8: 3,227,275 km (0.039 R)
• M9: 3,525,723 km (0.03 R)
• M10: 6,153,260 km (0.075 R)
• M11: 6,317,518 km (0.098 R)
• M12: 7,365,451 km (0.032 R)
• M13: 9,253,975 km (0.08 R)
• M14: 9,800,007 km (0.064 R)
• M15: 10,252,092 km (0.093 R)
• M16: 12,723,000 km (0.063 R)
• M17: 13,124,820 km (0.096 R)
• M18: 15,187,774 km (0.082 R)
• M19: 21,598,941 km (0.118 R)
• M20: 24,765,479 km (0.079 R)
• M21: 29,372,944 km (0.099 R)
• M22: 36,361,408 km (0.037 R)
• M23: 48,150,468 km (0.117 R)
• M24: 48,961,887 km (0.107 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: 339 - 11,323 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit