🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 335.5

Radius: 10

Gravity: 3.36 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 0.93 AU - 1.01 AU

Year: 659 Days

Day: 9.3 Hours

Environment

Temp: -171 °C

Axial Tilt: 44 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 50,892,684 km

• M1: 124,615 km (0.087 R)
• M2: 463,903 km (0.068 R)
• M3: 784,342 km (0.087 R)
• M4: 1,118,842 km (0.111 R)
• M5: 1,693,597 km (0.049 R)
• M6: 2,007,603 km (0.114 R)
• M7: 2,323,853 km (0.118 R)
• M8: 3,848,405 km (0.086 R)
• M9: 5,387,468 km (0.115 R)
• M10: 6,130,970 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 110.2

Radius: 8.4

Gravity: 1.56 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 1.5 AU - 1.9 AU

Year: 1530 Days

Day: 5.9 Hours

Environment

Temp: -198 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 50,892,684 km

• M1: 104,569 km (0.105 R)
• M2: 378,483 km (0.074 R)
• M3: 792,570 km (0.11 R)
• M4: 1,138,290 km (0.114 R)
• M5: 1,444,816 km (0.062 R)
• M6: 2,218,387 km (0.111 R)
• M7: 2,725,075 km (0.114 R)
• M8: 3,675,021 km (0.097 R)
• M9: 4,447,096 km (0.038 R)
• M10: 5,518,516 km (0.052 R)
• M11: 7,195,807 km (0.085 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 368

Radius: 8.7

Gravity: 4.86 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 1.57 AU - 1.89 AU

Year: 1571 Days

Day: 10.5 Hours

Environment

Temp: -201 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 50,892,684 km

• M1: 108,159 km (0.08 R)
• M2: 379,380 km (0.089 R)
• M3: 715,078 km (0.049 R)
• M4: 1,342,940 km (0.036 R)
• M5: 1,743,264 km (0.11 R)
• M6: 2,380,701 km (0.059 R)
• M7: 2,772,946 km (0.079 R)
• M8: 3,151,130 km (0.107 R)
• M9: 3,609,797 km (0.114 R)
• M10: 4,587,568 km (0.041 R)
• M11: 5,317,756 km (0.04 R)
• M12: 6,056,919 km (0.055 R)
• M13: 6,910,973 km (0.11 R)
• M14: 9,801,802 km (0.075 R)
• M15: 10,298,916 km (0.087 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 91.7

Radius: 13.9

Gravity: 0.47 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 1.9 AU - 1.94 AU

Year: 1836 Days

Day: 14.8 Hours

Environment

Temp: -202 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 50,892,684 km

• M1: 172,935 km (0.085 R)
• M2: 734,825 km (0.058 R)
• M3: 1,585,438 km (0.073 R)
• M4: 2,129,077 km (0.114 R)
• M5: 6,089,681 km (0.091 R)
• M6: 6,568,244 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 930.2

Radius: 11

Gravity: 7.69 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 1.66 AU - 2.56 AU

Year: 2116 Days

Day: 12.5 Hours

Environment

Temp: -197 °C

Axial Tilt: 45 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 50,892,684 km

• M1: 138,976 km (0.076 R)
• M2: 509,231 km (0.077 R)
• M3: 1,361,341 km (0.119 R)
• M4: 1,763,310 km (0.116 R)
• M5: 2,692,313 km (0.083 R)
• M6: 4,574,104 km (0.098 R)
• M7: 5,394,350 km (0.057 R)
• M8: 5,942,027 km (0.116 R)
• M9: 6,554,032 km (0.037 R)
• M10: 7,149,133 km (0.116 R)
• M11: 12,203,745 km (0.088 R)
• M12: 12,756,659 km (0.068 R)
• M13: 13,594,706 km (0.075 R)
• M14: 13,958,379 km (0.083 R)
• M15: 15,527,960 km (0.115 R)
• M16: 16,534,753 km (0.119 R)
• M17: 17,799,753 km (0.102 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 71.5

Radius: 14.4

Gravity: 0.34 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 4.73 AU - 5.83 AU

Year: 8375 Days

Day: 12.8 Hours

Environment

Temp: -221 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 50,892,684 km

• M1: 194,028 km (0.109 R)
• M2: 673,789 km (0.118 R)
• M3: 1,218,624 km (0.03 R)
• M4: 1,826,141 km (0.091 R)
• M5: 2,282,116 km (0.06 R)
• M6: 2,846,249 km (0.089 R)
• M7: 3,449,428 km (0.088 R)
• M8: 4,892,299 km (0.09 R)
• M9: 7,201,791 km (0.103 R)
• M10: 9,573,366 km (0.099 R)
• M11: 11,297,182 km (0.091 R)
• M12: 15,704,036 km (0.106 R)
• M13: 17,271,074 km (0.107 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 943.5

Radius: 3.8

Gravity: 65.34 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 5.45 AU - 5.67 AU

Year: 9049 Days

Day: 16.8 Hours

Environment

Temp: -223 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 50,892,684 km

• M1: 47,572 km (0.09 R)
• M2: 208,839 km (0.089 R)
• M3: 515,514 km (0.107 R)
• M4: 903,272 km (0.066 R)
• M5: 1,340,098 km (0.104 R)
• M6: 1,665,473 km (0.098 R)
• M7: 2,058,766 km (0.083 R)
• M8: 2,634,119 km (0.067 R)
• M9: 3,740,396 km (0.115 R)
• M10: 4,469,685 km (0.12 R)
• M11: 6,856,220 km (0.088 R)
• M12: 7,056,382 km (0.068 R)
• M13: 11,195,905 km (0.109 R)
• M14: 11,361,958 km (0.085 R)
• M15: 14,055,318 km (0.06 R)
• M16: 14,640,695 km (0.085 R)
• M17: 15,174,610 km (0.057 R)
• M18: 15,309,996 km (0.07 R)
• M19: 16,926,550 km (0.111 R)
• M20: 17,514,470 km (0.092 R)
• M21: 21,929,701 km (0.098 R)
• M22: 26,933,301 km (0.074 R)
• M23: 31,643,390 km (0.118 R)
• M24: 44,843,009 km (0.054 R)
• M25: 49,300,277 km (0.096 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 587.8

Radius: 3.3

Gravity: 53.98 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 6.38 AU - 6.9 AU

Year: 11810 Days

Day: 23.7 Hours

Environment

Temp: -235 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 50,892,684 km

• M1: 40,990 km (0.103 R)
• M2: 304,282 km (0.074 R)
• M3: 466,446 km (0.1 R)
• M4: 597,344 km (0.117 R)
• M5: 904,170 km (0.12 R)
• M6: 1,030,879 km (0.106 R)
• M7: 1,281,306 km (0.106 R)
• M8: 1,441,675 km (0.114 R)
• M9: 1,645,577 km (0.075 R)
• M10: 1,987,258 km (0.114 R)
• M11: 2,534,188 km (0.094 R)
• M12: 3,394,226 km (0.083 R)
• M13: 3,545,769 km (0.075 R)
• M14: 4,198,015 km (0.118 R)
• M15: 4,402,366 km (0.068 R)
• M16: 5,950,704 km (0.099 R)
• M17: 8,781,395 km (0.103 R)
• M18: 11,526,666 km (0.111 R)
• M19: 11,697,357 km (0.09 R)
• M20: 12,816,947 km (0.078 R)
• M21: 13,000,055 km (0.058 R)
• M22: 16,601,474 km (0.104 R)
• M23: 17,483,204 km (0.043 R)
• M24: 17,783,896 km (0.088 R)
• M25: 20,314,942 km (0.075 R)
• M26: 20,814,898 km (0.03 R)
• M27: 23,166,128 km (0.108 R)
• M28: 24,546,019 km (0.104 R)
• M29: 25,112,845 km (0.107 R)
• M30: 25,882,227 km (0.102 R)
• M31: 26,077,153 km (0.059 R)
• M32: 29,859,286 km (0.08 R)
• M33: 29,966,249 km (0.098 R)
• M34: 30,181,071 km (0.072 R)
• M35: 30,722,466 km (0.068 R)
• M36: 30,831,523 km (0.119 R)
• M37: 36,742,434 km (0.083 R)
• M38: 49,832,248 km (0.082 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 408 - 19,579 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit