🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 996.3

Radius: 13.6

Gravity: 5.39 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 0.61 AU - 0.91 AU

Year: 442 Days

Day: 5.2 Hours

Environment

Temp: -152 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 90,161,525 km

• M1: 172,636 km (0.109 R)
• M2: 652,546 km (0.103 R)
• M3: 1,137,841 km (0.037 R)
• M4: 1,605,784 km (0.105 R)
• M5: 2,527,905 km (0.119 R)
• M6: 3,190,623 km (0.104 R)
• M7: 3,912,433 km (0.115 R)
• M8: 4,393,390 km (0.117 R)
• M9: 4,993,876 km (0.069 R)
• M10: 5,648,516 km (0.08 R)
• M11: 6,551,938 km (0.059 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 840.8

Radius: 14.5

Gravity: 4 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 1.06 AU - 1.08 AU

Year: 738 Days

Day: 10.7 Hours

Environment

Temp: -168 °C

Axial Tilt: 48.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 90,161,525 km

• M1: 180,415 km (0.112 R)
• M2: 689,347 km (0.114 R)
• M3: 1,208,751 km (0.118 R)
• M4: 1,676,992 km (0.097 R)
• M5: 2,130,423 km (0.06 R)
• M6: 3,151,279 km (0.085 R)
• M7: 3,795,747 km (0.096 R)
• M8: 4,797,005 km (0.095 R)
• M9: 5,809,484 km (0.049 R)
• M10: 6,610,580 km (0.046 R)
• M11: 7,275,992 km (0.097 R)
• M12: 8,059,286 km (0.066 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 509.1

Radius: 8.3

Gravity: 7.39 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 1.27 AU - 1.41 AU

Year: 1034 Days

Day: 14.4 Hours

Environment

Temp: -189 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 90,161,525 km

• M1: 106,962 km (0.091 R)
• M2: 401,820 km (0.05 R)
• M3: 755,469 km (0.077 R)
• M4: 1,314,816 km (0.108 R)
• M5: 1,819,260 km (0.098 R)
• M6: 2,086,741 km (0.093 R)
• M7: 2,380,701 km (0.108 R)
• M8: 3,548,162 km (0.086 R)
• M9: 4,681,366 km (0.086 R)
• M10: 5,475,731 km (0.053 R)
• M11: 5,977,183 km (0.07 R)
• M12: 6,933,861 km (0.034 R)
• M13: 9,120,384 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 819.6

Radius: 13.9

Gravity: 4.24 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 2.5 AU - 2.58 AU

Year: 2699 Days

Day: 6.5 Hours

Environment

Temp: -213 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 90,161,525 km

• M1: 172,935 km (0.117 R)
• M2: 788,830 km (0.113 R)
• M3: 1,522,158 km (0.113 R)
• M4: 1,956,441 km (0.083 R)
• M5: 2,592,830 km (0.07 R)
• M6: 3,240,888 km (0.111 R)
• M7: 3,875,183 km (0.114 R)
• M8: 4,636,038 km (0.107 R)
• M9: 5,545,443 km (0.067 R)
• M10: 6,743,423 km (0.037 R)
• M11: 8,646,757 km (0.102 R)
• M12: 9,245,896 km (0.101 R)
• M13: 9,760,064 km (0.073 R)
• M14: 10,725,719 km (0.118 R)
• M15: 11,211,463 km (0.082 R)
• M16: 12,757,706 km (0.073 R)
• M17: 13,535,466 km (0.114 R)
• M18: 14,785,954 km (0.037 R)
• M19: 15,439,398 km (0.109 R)
• M20: 17,350,062 km (0.112 R)
• M21: 17,851,364 km (0.109 R)
• M22: 19,117,710 km (0.088 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 279.6

Radius: 3.3

Gravity: 25.67 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 5.66 AU - 6.72 AU

Year: 10270 Days

Day: 24 Hours

Environment

Temp: -232 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 90,161,525 km

• M1: 56,249 km (0.096 R)
• M2: 380,577 km (0.032 R)
• M3: 626,516 km (0.101 R)
• M4: 877,990 km (0.116 R)
• M5: 4,669,398 km (0.069 R)
• M6: 5,515,225 km (0.087 R)
• M7: 7,094,679 km (0.115 R)
• M8: 7,278,684 km (0.103 R)
• M9: 8,126,456 km (0.111 R)
• M10: 8,287,273 km (0.119 R)
• M11: 19,111,726 km (0.113 R)
• M12: 21,392,047 km (0.109 R)
• M13: 24,426,490 km (0.113 R)
• M14: 31,627,982 km (0.088 R)
• M15: 31,826,648 km (0.078 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 336.3

Radius: 6.6

Gravity: 7.72 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 6.72 AU - 6.82 AU

Year: 11747 Days

Day: 22.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 90,161,525 km

• M1: 82,129 km (0.092 R)
• M2: 315,053 km (0.105 R)
• M3: 648,507 km (0.056 R)
• M4: 927,507 km (0.109 R)
• M5: 1,227,899 km (0.049 R)
• M6: 2,158,996 km (0.073 R)
• M7: 3,588,404 km (0.094 R)
• M8: 3,936,369 km (0.057 R)
• M9: 4,642,022 km (0.096 R)
• M10: 4,934,935 km (0.096 R)
• M11: 5,302,497 km (0.093 R)
• M12: 6,161,787 km (0.105 R)
• M13: 7,381,907 km (0.077 R)
• M14: 8,322,279 km (0.082 R)
• M15: 9,950,802 km (0.11 R)
• M16: 12,718,661 km (0.101 R)
• M17: 14,992,998 km (0.113 R)
• M18: 15,568,950 km (0.087 R)
• M19: 17,038,749 km (0.098 R)
• M20: 18,966,018 km (0.081 R)
• M21: 22,245,652 km (0.042 R)
• M22: 22,659,739 km (0.077 R)
• M23: 23,163,286 km (0.104 R)
• M24: 24,630,541 km (0.082 R)
• M25: 31,639,202 km (0.117 R)
• M26: 31,848,040 km (0.101 R)
• M27: 32,479,792 km (0.119 R)
• M28: 32,905,548 km (0.071 R)
• M29: 34,979,273 km (0.066 R)
• M30: 35,426,571 km (0.114 R)
• M31: 35,764,662 km (0.106 R)
• M32: 38,309,771 km (0.11 R)
• M33: 39,869,029 km (0.054 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 868.1

Radius: 6.6

Gravity: 19.93 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 8.97 AU - 12.17 AU

Year: 22916 Days

Day: 20 Hours

Environment

Temp: -240 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 90,161,525 km

• M1: 83,924 km (0.084 R)
• M2: 1,178,083 km (0.064 R)
• M3: 1,390,662 km (0.113 R)
• M4: 2,102,149 km (0.105 R)
• M5: 2,371,126 km (0.076 R)
• M6: 2,637,859 km (0.066 R)
• M7: 3,348,748 km (0.116 R)
• M8: 3,622,512 km (0.034 R)
• M9: 9,982,068 km (0.072 R)
• M10: 10,875,616 km (0.062 R)
• M11: 13,417,134 km (0.05 R)
• M12: 15,732,610 km (0.11 R)
• M13: 16,415,374 km (0.047 R)
• M14: 17,386,414 km (0.109 R)
• M15: 18,395,003 km (0.109 R)
• M16: 18,866,087 km (0.052 R)
• M17: 20,029,659 km (0.104 R)
• M18: 23,255,887 km (0.053 R)
• M19: 23,918,007 km (0.068 R)
• M20: 24,479,148 km (0.047 R)
• M21: 31,378,303 km (0.055 R)
• M22: 32,870,542 km (0.076 R)
• M23: 34,694,289 km (0.067 R)
• M24: 37,329,306 km (0.1 R)
• M25: 39,003,755 km (0.069 R)
• M26: 50,479,408 km (0.062 R)
• M27: 50,847,269 km (0.067 R)
• M28: 51,588,377 km (0.11 R)
• M29: 54,046,569 km (0.102 R)
• M30: 58,991,527 km (0.072 R)
• M31: 65,095,569 km (0.088 R)
• M32: 66,629,396 km (0.086 R)
• M33: 67,294,209 km (0.087 R)
• M34: 68,862,443 km (0.065 R)
• M35: 69,314,977 km (0.103 R)
• M36: 71,144,708 km (0.051 R)
• M37: 77,802,711 km (0.085 R)
• M38: 80,277,808 km (0.104 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: 502 - 19,230 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit