🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.43 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 134.8

Radius: 12

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 2.71 AU - 3.01 AU

Year: 3075 Days

Day: 7.7 Hours

Environment

Temp: -200 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 56,088,918 km

• M1: 149,448 km (0.072 R)
• M2: 568,322 km (0.076 R)
• M3: 1,008,140 km (0.11 R)
• M4: 1,520,214 km (0.12 R)
• M5: 1,924,577 km (0.107 R)
• M6: 3,069,150 km (0.114 R)
• M7: 3,857,531 km (0.109 R)
• M8: 4,399,823 km (0.087 R)
• M9: 5,298,158 km (0.11 R)
• M10: 6,015,181 km (0.042 R)
• M11: 6,969,914 km (0.091 R)
• M12: 7,696,362 km (0.098 R)
• M13: 8,330,357 km (0.119 R)
• M14: 9,765,749 km (0.112 R)
• M15: 10,344,543 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 56.7

Radius: 9.1

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 2.43 AU - 3.31 AU

Year: 3091 Days

Day: 13 Hours

Environment

Temp: -205 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 56,088,918 km

• M1: 114,143 km (0.082 R)
• M2: 560,842 km (0.026 R)
• M3: 1,447,808 km (0.108 R)
• M4: 3,336,332 km (0.088 R)
• M5: 3,784,527 km (0.055 R)
• M6: 4,945,257 km (0.058 R)
• M7: 5,807,240 km (0.05 R)
• M8: 6,457,242 km (0.093 R)
• M9: 7,414,220 km (0.073 R)
• M10: 7,827,409 km (0.116 R)
• M11: 9,270,430 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 993

Radius: 11.9

Gravity: 7.01 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 3.16 AU - 3.64 AU

Year: 3986 Days

Day: 11.9 Hours

Environment

Temp: -200 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 56,088,918 km

• M1: 151,094 km (0.11 R)
• M2: 557,252 km (0.087 R)
• M3: 1,256,921 km (0.102 R)
• M4: 1,640,789 km (0.116 R)
• M5: 2,192,506 km (0.116 R)
• M6: 2,570,989 km (0.095 R)
• M7: 3,381,061 km (0.1 R)
• M8: 4,234,966 km (0.116 R)
• M9: 4,932,691 km (0.119 R)
• M10: 5,365,028 km (0.09 R)
• M11: 5,970,750 km (0.084 R)
• M12: 7,847,605 km (0.089 R)
• M13: 8,400,818 km (0.105 R)
• M14: 9,259,360 km (0.071 R)
• M15: 10,523,163 km (0.065 R)
• M16: 12,382,814 km (0.114 R)
• M17: 12,829,813 km (0.117 R)
• M18: 14,074,616 km (0.106 R)
• M19: 15,857,673 km (0.105 R)
• M20: 16,266,973 km (0.112 R)
• M21: 19,531,947 km (0.109 R)
• M22: 21,036,453 km (0.088 R)
• M23: 22,838,359 km (0.066 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 263

Radius: 10.9

Gravity: 2.21 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 3.79 AU - 3.93 AU

Year: 4822 Days

Day: 9.8 Hours

Environment

Temp: -220 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 56,088,918 km

• M1: 135,536 km (0.069 R)
• M2: 1,294,470 km (0.092 R)
• M3: 2,036,775 km (0.116 R)
• M4: 2,748,711 km (0.068 R)
• M5: 4,224,793 km (0.098 R)
• M6: 4,919,825 km (0.099 R)
• M7: 5,560,254 km (0.109 R)
• M8: 7,007,463 km (0.093 R)
• M9: 13,769,736 km (0.109 R)
• M10: 21,167,800 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 945.2

Radius: 12.4

Gravity: 6.15 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 4.77 AU - 6.59 AU

Year: 8607 Days

Day: 12.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 56,088,918 km

• M1: 155,582 km (0.072 R)
• M2: 680,820 km (0.054 R)
• M3: 2,456,397 km (0.12 R)
• M4: 3,053,442 km (0.11 R)
• M5: 3,544,871 km (0.102 R)
• M6: 4,061,582 km (0.115 R)
• M7: 4,658,178 km (0.118 R)
• M8: 5,679,184 km (0.112 R)
• M9: 6,279,520 km (0.04 R)
• M10: 6,882,848 km (0.057 R)
• M11: 11,241,083 km (0.085 R)
• M12: 13,009,480 km (0.109 R)
• M13: 14,565,597 km (0.089 R)
• M14: 15,624,450 km (0.105 R)
• M15: 19,658,058 km (0.103 R)
• M16: 20,704,196 km (0.109 R)
• M17: 21,282,541 km (0.061 R)
• M18: 22,645,378 km (0.104 R)
• M19: 23,526,060 km (0.109 R)
• M20: 31,305,299 km (0.101 R)
• M21: 36,305,010 km (0.099 R)
• M22: 37,755,660 km (0.037 R)
• M23: 41,681,856 km (0.118 R)
• M24: 42,604,576 km (0.091 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 113

Radius: 12.6

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 4.98 AU - 6.64 AU

Year: 8904 Days

Day: 13.6 Hours

Environment

Temp: -216 °C

Axial Tilt: 178.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 56,088,918 km

• M1: 156,629 km (0.083 R)
• M2: 606,619 km (0.083 R)
• M3: 1,351,617 km (0.094 R)
• M4: 1,762,562 km (0.112 R)
• M5: 2,479,136 km (0.105 R)
• M6: 3,160,405 km (0.037 R)
• M7: 4,470,732 km (0.112 R)
• M8: 5,430,702 km (0.1 R)
• M9: 6,826,300 km (0.089 R)
• M10: 8,808,921 km (0.055 R)
• M11: 10,112,517 km (0.083 R)
• M12: 11,279,380 km (0.112 R)
• M13: 13,195,280 km (0.068 R)
• M14: 14,281,211 km (0.112 R)
• M15: 18,373,760 km (0.107 R)
• M16: 22,425,319 km (0.103 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 901.2

Radius: 5.3

Gravity: 32.08 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 4.96 AU - 7.68 AU

Year: 10102 Days

Day: 16.6 Hours

Environment

Temp: -217 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 56,088,918 km

• M1: 66,421 km (0.112 R)
• M2: 548,127 km (0.084 R)
• M3: 881,281 km (0.115 R)
• M4: 1,654,552 km (0.069 R)
• M5: 2,253,542 km (0.09 R)
• M6: 5,654,800 km (0.117 R)
• M7: 6,510,350 km (0.103 R)
• M8: 7,154,369 km (0.097 R)
• M9: 7,795,844 km (0.069 R)
• M10: 9,241,708 km (0.117 R)
• M11: 10,317,167 km (0.076 R)
• M12: 11,023,269 km (0.092 R)
• M13: 14,436,195 km (0.085 R)
• M14: 19,370,381 km (0.048 R)
• M15: 23,341,157 km (0.116 R)
• M16: 23,896,165 km (0.116 R)
• M17: 24,459,701 km (0.097 R)
• M18: 25,809,223 km (0.088 R)
• M19: 27,411,566 km (0.077 R)
• M20: 38,438,425 km (0.115 R)
• M21: 39,211,846 km (0.116 R)
• M22: 43,791,785 km (0.066 R)
• M23: 44,776,887 km (0.106 R)
• M24: 49,469,473 km (0.042 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 260.4

Radius: 5.2

Gravity: 9.63 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 8.7 AU - 11.58 AU

Year: 20530 Days

Day: 24.8 Hours

Environment

Temp: -232 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 56,088,918 km

• M1: 64,626 km (0.12 R)
• M2: 755,320 km (0.115 R)
• M3: 1,131,110 km (0.099 R)
• M4: 1,321,099 km (0.113 R)
• M5: 1,517,670 km (0.049 R)
• M6: 3,066,607 km (0.074 R)
• M7: 5,553,522 km (0.037 R)
• M8: 6,031,038 km (0.083 R)
• M9: 11,512,454 km (0.044 R)
• M10: 15,736,050 km (0.106 R)
• M11: 18,549,238 km (0.073 R)
• M12: 22,583,444 km (0.093 R)
• M13: 28,749,120 km (0.111 R)
• M14: 33,987,140 km (0.04 R)
• M15: 44,118,207 km (0.067 R)
• M16: 44,549,199 km (0.109 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 470 - 14,117 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit