🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.65 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 814.7

Radius: 11.1

Gravity: 6.61 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 1.27 AU - 1.31 AU

Year: 1011 Days

Day: 11 Hours

Environment

Temp: -190 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 87,076,861 km

• M1: 138,079 km (0.115 R)
• M2: 504,893 km (0.11 R)
• M3: 1,034,020 km (0.103 R)
• M4: 1,458,280 km (0.097 R)
• M5: 1,949,111 km (0.113 R)
• M6: 2,707,422 km (0.11 R)
• M7: 3,072,740 km (0.099 R)
• M8: 3,792,456 km (0.119 R)
• M9: 4,320,835 km (0.077 R)
• M10: 4,860,285 km (0.026 R)
• M11: 5,505,202 km (0.106 R)
• M12: 6,272,788 km (0.076 R)
• M13: 6,752,698 km (0.05 R)
• M14: 8,532,015 km (0.057 R)
• M15: 9,295,563 km (0.084 R)
• M16: 9,738,971 km (0.08 R)
• M17: 10,509,699 km (0.07 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 506.9

Radius: 13.7

Gravity: 2.7 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 1.95 AU - 1.97 AU

Year: 1894 Days

Day: 7.8 Hours

Environment

Temp: -208 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 87,076,861 km

• M1: 170,542 km (0.088 R)
• M2: 642,074 km (0.087 R)
• M3: 1,081,443 km (0.047 R)
• M4: 1,545,645 km (0.054 R)
• M5: 1,989,951 km (0.091 R)
• M6: 2,691,714 km (0.108 R)
• M7: 3,361,614 km (0.083 R)
• M8: 4,438,868 km (0.107 R)
• M9: 4,913,392 km (0.088 R)
• M10: 5,400,034 km (0.117 R)
• M11: 7,189,374 km (0.088 R)
• M12: 8,574,501 km (0.096 R)
• M13: 9,032,271 km (0.088 R)
• M14: 12,283,930 km (0.106 R)
• M15: 13,962,717 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 943.8

Radius: 13.6

Gravity: 5.1 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 2.23 AU - 2.43 AU

Year: 2455 Days

Day: 5 Hours

Environment

Temp: -206 °C

Axial Tilt: 79.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 87,076,861 km

• M1: 169,345 km (0.105 R)
• M2: 595,848 km (0.113 R)
• M3: 1,043,296 km (0.092 R)
• M4: 1,516,623 km (0.101 R)
• M5: 1,960,330 km (0.119 R)
• M6: 2,715,650 km (0.119 R)
• M7: 3,345,457 km (0.066 R)
• M8: 4,300,640 km (0.07 R)
• M9: 4,808,225 km (0.1 R)
• M10: 6,435,700 km (0.109 R)
• M11: 8,506,584 km (0.119 R)
• M12: 9,202,962 km (0.101 R)
• M13: 9,974,887 km (0.071 R)
• M14: 11,732,063 km (0.087 R)
• M15: 13,687,457 km (0.111 R)
• M16: 14,256,677 km (0.105 R)
• M17: 19,335,674 km (0.075 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 232

Radius: 8.1

Gravity: 3.54 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 2 AU - 2.68 AU

Year: 2471 Days

Day: 9.2 Hours

Environment

Temp: -200 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 87,076,861 km

• M1: 100,979 km (0.089 R)
• M2: 449,691 km (0.071 R)
• M3: 1,330,523 km (0.098 R)
• M4: 1,703,471 km (0.068 R)
• M5: 2,156,453 km (0.096 R)
• M6: 2,467,916 km (0.1 R)
• M7: 3,603,962 km (0.065 R)
• M8: 5,284,545 km (0.107 R)
• M9: 5,674,696 km (0.074 R)
• M10: 6,201,281 km (0.086 R)
• M11: 8,289,218 km (0.079 R)
• M12: 10,299,813 km (0.054 R)
• M13: 11,364,801 km (0.106 R)
• M14: 12,729,881 km (0.079 R)
• M15: 13,116,891 km (0.078 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 659.5

Radius: 8.9

Gravity: 8.33 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 3.47 AU - 3.59 AU

Year: 4578 Days

Day: 6.7 Hours

Environment

Temp: -214 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 87,076,861 km

• M1: 111,002 km (0.119 R)
• M2: 718,818 km (0.062 R)
• M3: 1,374,206 km (0.119 R)
• M4: 1,708,707 km (0.062 R)
• M5: 2,112,172 km (0.07 R)
• M6: 2,801,071 km (0.109 R)
• M7: 3,111,785 km (0.094 R)
• M8: 3,548,461 km (0.072 R)
• M9: 3,958,060 km (0.116 R)
• M10: 4,744,347 km (0.055 R)
• M11: 5,081,391 km (0.026 R)
• M12: 6,129,174 km (0.103 R)
• M13: 6,881,951 km (0.089 R)
• M14: 7,625,003 km (0.07 R)
• M15: 8,761,349 km (0.086 R)
• M16: 11,004,419 km (0.039 R)
• M17: 13,297,755 km (0.092 R)
• M18: 13,812,820 km (0.045 R)
• M19: 15,214,403 km (0.039 R)
• M20: 15,607,396 km (0.067 R)
• M21: 16,296,893 km (0.036 R)
• M22: 22,130,611 km (0.113 R)
• M23: 23,818,075 km (0.065 R)
• M24: 25,589,613 km (0.092 R)
• M25: 26,467,304 km (0.12 R)
• M26: 27,779,427 km (0.03 R)
• M27: 28,114,077 km (0.041 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 436.4

Radius: 6

Gravity: 12.12 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 4.98 AU - 8.1 AU

Year: 11545 Days

Day: 16.4 Hours

Environment

Temp: -236 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 87,076,861 km

• M1: 74,649 km (0.074 R)
• M2: 1,048,232 km (0.084 R)
• M3: 1,840,054 km (0.106 R)
• M4: 2,188,766 km (0.119 R)
• M5: 2,700,990 km (0.083 R)
• M6: 3,652,282 km (0.045 R)
• M7: 7,990,022 km (0.027 R)
• M8: 9,193,238 km (0.098 R)
• M9: 10,159,042 km (0.088 R)
• M10: 10,563,704 km (0.089 R)
• M11: 11,459,346 km (0.099 R)
• M12: 14,896,208 km (0.08 R)
• M13: 15,155,760 km (0.079 R)
• M14: 18,140,836 km (0.045 R)
• M15: 19,268,206 km (0.067 R)
• M16: 25,519,302 km (0.045 R)
• M17: 42,985,751 km (0.064 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 733.3

Radius: 5.5

Gravity: 24.24 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 7.43 AU - 9.03 AU

Year: 16297 Days

Day: 18.1 Hours

Environment

Temp: -231 °C

Axial Tilt: 154.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 87,076,861 km

• M1: 68,516 km (0.103 R)
• M2: 346,319 km (0.118 R)
• M3: 619,335 km (0.076 R)
• M4: 820,694 km (0.098 R)
• M5: 1,006,195 km (0.093 R)
• M6: 1,247,048 km (0.071 R)
• M7: 2,012,091 km (0.117 R)
• M8: 3,207,079 km (0.12 R)
• M9: 3,645,700 km (0.053 R)
• M10: 3,939,660 km (0.069 R)
• M11: 4,743,748 km (0.1 R)
• M12: 6,977,394 km (0.117 R)
• M13: 7,292,747 km (0.091 R)
• M14: 18,612,219 km (0.091 R)
• M15: 27,557,573 km (0.11 R)
• M16: 36,926,888 km (0.087 R)
• M17: 37,608,605 km (0.08 R)
• M18: 42,617,292 km (0.101 R)
• M19: 43,216,581 km (0.071 R)
• M20: 56,954,004 km (0.064 R)
• M21: 58,230,223 km (0.09 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 424.7

Radius: 6.8

Gravity: 9.18 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 9.13 AU - 9.93 AU

Year: 20307 Days

Day: 17.5 Hours

Environment

Temp: -237 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 87,076,861 km

• M1: 85,420 km (0.064 R)
• M2: 547,827 km (0.059 R)
• M3: 1,923,679 km (0.116 R)
• M4: 4,057,842 km (0.114 R)
• M5: 6,169,566 km (0.07 R)
• M6: 7,506,372 km (0.1 R)
• M7: 8,072,152 km (0.119 R)
• M8: 12,143,458 km (0.086 R)
• M9: 17,813,516 km (0.055 R)
• M10: 18,144,427 km (0.047 R)
• M11: 24,721,198 km (0.107 R)
• M12: 25,444,803 km (0.077 R)
• M13: 32,851,244 km (0.092 R)
• M14: 40,569,147 km (0.052 R)
• M15: 41,141,958 km (0.085 R)
• M16: 46,387,009 km (0.086 R)
• M17: 47,170,901 km (0.09 R)
• M18: 59,458,571 km (0.116 R)
• M19: 63,023,788 km (0.112 R)
• M20: 65,347,491 km (0.12 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 927.1

Radius: 5

Gravity: 37.08 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 9.32 AU - 10.2 AU

Year: 21047 Days

Day: 16.5 Hours

Environment

Temp: -236 °C

Axial Tilt: 80.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 87,076,861 km

• M1: 64,028 km (0.108 R)
• M2: 236,215 km (0.08 R)
• M3: 445,951 km (0.108 R)
• M4: 640,428 km (0.067 R)
• M5: 1,191,397 km (0.099 R)
• M6: 2,162,437 km (0.069 R)
• M7: 2,458,940 km (0.091 R)
• M8: 3,333,489 km (0.119 R)
• M9: 3,542,926 km (0.104 R)
• M10: 4,021,340 km (0.066 R)
• M11: 5,757,424 km (0.091 R)
• M12: 7,525,072 km (0.11 R)
• M13: 12,581,630 km (0.118 R)
• M14: 13,536,812 km (0.072 R)
• M15: 14,857,462 km (0.073 R)
• M16: 16,518,298 km (0.06 R)
• M17: 17,482,606 km (0.069 R)
• M18: 19,522,821 km (0.052 R)
• M19: 20,600,225 km (0.045 R)
• M20: 21,102,724 km (0.082 R)
• M21: 24,179,803 km (0.103 R)
• M22: 25,421,166 km (0.038 R)
• M23: 25,767,036 km (0.101 R)
• M24: 28,030,303 km (0.07 R)
• M25: 29,526,132 km (0.12 R)
• M26: 33,773,514 km (0.109 R)
• M27: 47,514,677 km (0.118 R)
• M28: 52,376,459 km (0.099 R)
• M29: 52,562,558 km (0.083 R)
• M30: 52,749,256 km (0.04 R)
• M31: 54,831,210 km (0.089 R)
• M32: 59,765,546 km (0.117 R)
• M33: 62,863,718 km (0.11 R)
• M34: 67,598,790 km (0.084 R)
• M35: 69,827,499 km (0.057 R)
• M36: 70,053,092 km (0.042 R)
• M37: 81,459,332 km (0.033 R)
• M38: 85,778,222 km (0.222 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 481 - 16,658 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit