🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.51 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 608.7

Radius: 13.8

Gravity: 3.2 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 0.92 AU - 1.1 AU

Year: 701 Days

Day: 9.1 Hours

Environment

Temp: -176 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 61,171,347 km

• M1: 171,738 km (0.098 R)
• M2: 661,821 km (0.1 R)
• M3: 1,230,143 km (0.111 R)
• M4: 1,817,913 km (0.056 R)
• M5: 2,294,831 km (0.112 R)
• M6: 3,250,612 km (0.03 R)
• M7: 4,152,837 km (0.104 R)
• M8: 4,695,728 km (0.069 R)
• M9: 5,233,382 km (0.101 R)
• M10: 5,982,269 km (0.116 R)
• M11: 7,581,919 km (0.043 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 302.6

Radius: 12.9

Gravity: 1.82 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 1.22 AU - 1.8 AU

Year: 1281 Days

Day: 11.8 Hours

Environment

Temp: -201 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 61,171,347 km

• M1: 160,369 km (0.11 R)
• M2: 564,732 km (0.062 R)
• M3: 1,200,373 km (0.043 R)
• M4: 1,938,938 km (0.117 R)
• M5: 2,629,183 km (0.093 R)
• M6: 3,354,433 km (0.03 R)
• M7: 4,209,385 km (0.082 R)
• M8: 4,620,480 km (0.034 R)
• M9: 5,353,509 km (0.119 R)
• M10: 6,805,357 km (0.05 R)
• M11: 7,328,052 km (0.115 R)
• M12: 8,099,678 km (0.118 R)
• M13: 8,505,387 km (0.102 R)
• M14: 8,978,116 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 922.9

Radius: 12.4

Gravity: 6 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 1.45 AU - 2.29 AU

Year: 1765 Days

Day: 11.7 Hours

Environment

Temp: -194 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 61,171,347 km

• M1: 154,235 km (0.112 R)
• M2: 645,964 km (0.098 R)
• M3: 1,074,262 km (0.085 R)
• M4: 1,628,223 km (0.085 R)
• M5: 2,279,722 km (0.097 R)
• M6: 2,885,145 km (0.12 R)
• M7: 3,391,085 km (0.105 R)
• M8: 3,809,061 km (0.11 R)
• M9: 4,241,848 km (0.119 R)
• M10: 4,645,014 km (0.111 R)
• M11: 5,162,623 km (0.095 R)
• M12: 5,599,598 km (0.109 R)
• M13: 6,548,348 km (0.081 R)
• M14: 7,747,823 km (0.115 R)
• M15: 8,668,000 km (0.105 R)
• M16: 9,220,914 km (0.062 R)
• M17: 9,693,942 km (0.112 R)
• M18: 10,218,582 km (0.071 R)
• M19: 12,509,524 km (0.116 R)
• M20: 13,386,765 km (0.097 R)
• M21: 14,170,957 km (0.06 R)
• M22: 15,404,392 km (0.104 R)
• M23: 16,609,104 km (0.059 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 307.2

Radius: 10.7

Gravity: 2.68 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 2.16 AU - 3.38 AU

Year: 3182 Days

Day: 11.6 Hours

Environment

Temp: -204 °C

Axial Tilt: 167.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 61,171,347 km

• M1: 145,858 km (0.102 R)
• M2: 530,025 km (0.118 R)
• M3: 1,131,857 km (0.118 R)
• M4: 1,752,539 km (0.071 R)
• M5: 2,203,577 km (0.037 R)
• M6: 3,128,989 km (0.104 R)
• M7: 3,689,383 km (0.061 R)
• M8: 4,686,303 km (0.078 R)
• M9: 6,078,760 km (0.091 R)
• M10: 7,523,127 km (0.077 R)
• M11: 12,297,992 km (0.049 R)
• M12: 14,819,464 km (0.031 R)
• M13: 16,250,667 km (0.096 R)
• M14: 16,898,575 km (0.097 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 131.7

Radius: 9.2

Gravity: 1.56 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 3.54 AU - 4.04 AU

Year: 5093 Days

Day: 9.7 Hours

Environment

Temp: -216 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 61,171,347 km

• M1: 119,678 km (0.1 R)
• M2: 486,941 km (0.106 R)
• M3: 1,460,075 km (0.082 R)
• M4: 2,305,453 km (0.086 R)
• M5: 2,905,340 km (0.114 R)
• M6: 3,788,117 km (0.097 R)
• M7: 4,352,999 km (0.114 R)
• M8: 5,315,960 km (0.102 R)
• M9: 5,723,914 km (0.057 R)
• M10: 6,024,306 km (0.054 R)
• M11: 6,877,463 km (0.094 R)
• M12: 10,100,998 km (0.109 R)
• M13: 10,466,765 km (0.1 R)
• M14: 11,380,808 km (0.06 R)
• M15: 12,388,648 km (0.097 R)
• M16: 13,763,902 km (0.095 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 153.7

Radius: 9.5

Gravity: 1.7 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 3.95 AU - 3.97 AU

Year: 5439 Days

Day: 11.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 61,171,347 km

• M1: 118,631 km (0.096 R)
• M2: 537,056 km (0.044 R)
• M3: 869,612 km (0.084 R)
• M4: 1,201,869 km (0.073 R)
• M5: 1,662,631 km (0.079 R)
• M6: 2,108,133 km (0.108 R)
• M7: 2,429,619 km (0.08 R)
• M8: 3,747,277 km (0.08 R)
• M9: 4,079,983 km (0.118 R)
• M10: 6,763,170 km (0.109 R)
• M11: 7,499,790 km (0.076 R)
• M12: 8,126,904 km (0.102 R)
• M13: 8,720,658 km (0.058 R)
• M14: 11,389,185 km (0.102 R)
• M15: 12,516,854 km (0.056 R)
• M16: 13,264,095 km (0.105 R)
• M17: 15,286,958 km (0.049 R)
• M18: 18,274,277 km (0.027 R)
• M19: 19,293,189 km (0.1 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 707.9

Radius: 11

Gravity: 5.85 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 4.57 AU - 6.33 AU

Year: 8782 Days

Day: 13.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 61,171,347 km

• M1: 140,323 km (0.106 R)
• M2: 547,079 km (0.069 R)
• M3: 980,165 km (0.093 R)
• M4: 1,456,634 km (0.105 R)
• M5: 1,802,505 km (0.108 R)
• M6: 2,867,342 km (0.089 R)
• M7: 4,228,234 km (0.096 R)
• M8: 4,766,188 km (0.108 R)
• M9: 5,708,356 km (0.071 R)
• M10: 6,118,254 km (0.119 R)
• M11: 7,711,022 km (0.115 R)
• M12: 8,916,183 km (0.094 R)
• M13: 10,850,034 km (0.093 R)
• M14: 11,481,188 km (0.115 R)
• M15: 12,136,576 km (0.093 R)
• M16: 14,628,428 km (0.074 R)
• M17: 15,927,386 km (0.078 R)
• M18: 17,231,132 km (0.102 R)
• M19: 22,064,340 km (0.119 R)
• M20: 24,209,723 km (0.073 R)
• M21: 24,834,593 km (0.085 R)
• M22: 26,490,791 km (0.078 R)
• M23: 28,317,680 km (0.104 R)
• M24: 31,900,250 km (0.03 R)
• M25: 32,651,381 km (0.107 R)
• M26: 36,468,520 km (0.107 R)
• M27: 41,836,840 km (0.114 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 465.6

Radius: 6.1

Gravity: 12.51 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 5.79 AU - 5.79 AU

Year: 9617 Days

Day: 21.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 61,171,347 km

• M1: 75,846 km (0.096 R)
• M2: 331,210 km (0.073 R)
• M3: 524,341 km (0.094 R)
• M4: 763,548 km (0.07 R)
• M5: 1,034,619 km (0.077 R)
• M6: 1,548,787 km (0.06 R)
• M7: 2,135,061 km (0.114 R)
• M8: 2,563,509 km (0.115 R)
• M9: 3,334,387 km (0.114 R)
• M10: 3,785,724 km (0.063 R)
• M11: 4,277,003 km (0.12 R)
• M12: 5,260,759 km (0.109 R)
• M13: 5,674,098 km (0.089 R)
• M14: 6,108,679 km (0.097 R)
• M15: 7,044,564 km (0.068 R)
• M16: 7,786,420 km (0.057 R)
• M17: 9,151,799 km (0.081 R)
• M18: 10,081,999 km (0.095 R)
• M19: 10,275,279 km (0.075 R)
• M20: 10,769,551 km (0.082 R)
• M21: 12,624,714 km (0.116 R)
• M22: 15,694,313 km (0.112 R)
• M23: 16,482,693 km (0.064 R)
• M24: 20,053,744 km (0.047 R)
• M25: 22,018,712 km (0.104 R)
• M26: 27,157,698 km (0.088 R)
• M27: 27,721,233 km (0.088 R)
• M28: 31,369,925 km (0.071 R)
• M29: 34,008,682 km (0.104 R)
• M30: 39,244,009 km (0.047 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 842

Radius: 7.1

Gravity: 16.7 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 6.73 AU - 7.43 AU

Year: 13004 Days

Day: 18.7 Hours

Environment

Temp: -223 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 61,171,347 km

• M1: 88,263 km (0.047 R)
• M2: 513,869 km (0.104 R)
• M3: 851,062 km (0.107 R)
• M4: 1,547,440 km (0.077 R)
• M5: 1,770,790 km (0.067 R)
• M6: 2,489,159 km (0.088 R)
• M7: 3,546,966 km (0.056 R)
• M8: 4,206,393 km (0.113 R)
• M9: 4,581,584 km (0.104 R)
• M10: 4,877,339 km (0.082 R)
• M11: 6,151,016 km (0.065 R)
• M12: 7,100,065 km (0.076 R)
• M13: 8,826,574 km (0.095 R)
• M14: 10,030,836 km (0.087 R)
• M15: 11,164,040 km (0.104 R)
• M16: 15,507,914 km (0.108 R)
• M17: 19,041,715 km (0.072 R)
• M18: 21,310,366 km (0.042 R)
• M19: 23,173,608 km (0.05 R)
• M20: 24,243,382 km (0.078 R)
• M21: 25,041,786 km (0.108 R)
• M22: 26,376,498 km (0.111 R)
• M23: 29,862,877 km (0.065 R)
• M24: 31,597,913 km (0.115 R)
• M25: 34,138,533 km (0.075 R)
• M26: 41,714,618 km (0.094 R)
• M27: 48,432,610 km (0.068 R)
• M28: 54,130,643 km (0.12 R)
• M29: 56,529,744 km (0.05 R)
• M30: 58,463,596 km (0.116 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: 304 - 19,084 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit