🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.85 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 981.1

Radius: 12.8

Gravity: 5.99 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 1.33 AU - 2.05 AU

Year: 1516 Days

Day: 5.2 Hours

Environment

Temp: -204 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 74,955,799 km

• M1: 160,070 km (0.112 R)
• M2: 756,816 km (0.032 R)
• M3: 1,169,257 km (0.055 R)
• M4: 1,582,147 km (0.079 R)
• M5: 2,129,226 km (0.037 R)
• M6: 2,960,392 km (0.038 R)
• M7: 3,443,593 km (0.075 R)
• M8: 6,497,484 km (0.105 R)
• M9: 6,966,773 km (0.113 R)
• M10: 9,696,635 km (0.026 R)
• M11: 11,693,617 km (0.115 R)
• M12: 13,866,227 km (0.066 R)
• M13: 15,093,079 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 609.8

Radius: 13.3

Gravity: 3.45 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 1.71 AU - 1.97 AU

Year: 1723 Days

Day: 5.8 Hours

Environment

Temp: -206 °C

Axial Tilt: 41.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 74,955,799 km

• M1: 165,455 km (0.114 R)
• M2: 654,341 km (0.116 R)
• M3: 1,109,717 km (0.116 R)
• M4: 1,556,865 km (0.112 R)
• M5: 2,004,462 km (0.078 R)
• M6: 3,137,815 km (0.101 R)
• M7: 4,720,860 km (0.028 R)
• M8: 6,482,973 km (0.108 R)
• M9: 7,202,389 km (0.119 R)
• M10: 8,089,056 km (0.106 R)
• M11: 8,619,081 km (0.093 R)
• M12: 9,425,713 km (0.087 R)
• M13: 10,248,053 km (0.118 R)
• M14: 14,065,940 km (0.035 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 791

Radius: 11.2

Gravity: 6.31 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 2.8 AU - 3.92 AU

Year: 4251 Days

Day: 11.8 Hours

Environment

Temp: -217 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 74,955,799 km

• M1: 139,425 km (0.102 R)
• M2: 998,566 km (0.08 R)
• M3: 1,448,407 km (0.074 R)
• M4: 2,060,860 km (0.116 R)
• M5: 2,500,379 km (0.083 R)
• M6: 3,529,463 km (0.059 R)
• M7: 4,026,427 km (0.111 R)
• M8: 4,669,099 km (0.104 R)
• M9: 5,434,292 km (0.115 R)
• M10: 10,699,539 km (0.092 R)
• M11: 12,756,360 km (0.119 R)
• M12: 13,106,269 km (0.069 R)
• M13: 15,286,958 km (0.046 R)
• M14: 17,028,576 km (0.087 R)
• M15: 18,260,963 km (0.117 R)
• M16: 19,223,476 km (0.078 R)
• M17: 19,950,671 km (0.068 R)
• M18: 25,564,182 km (0.082 R)
• M19: 27,758,483 km (0.04 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 574.2

Radius: 11.4

Gravity: 4.42 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 3.24 AU - 4.16 AU

Year: 4913 Days

Day: 8 Hours

Environment

Temp: -223 °C

Axial Tilt: 87.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 74,955,799 km

• M1: 143,913 km (0.096 R)
• M2: 656,884 km (0.114 R)
• M3: 1,102,836 km (0.071 R)
• M4: 1,802,505 km (0.096 R)
• M5: 2,542,865 km (0.086 R)
• M6: 2,993,154 km (0.11 R)
• M7: 3,455,711 km (0.101 R)
• M8: 4,192,929 km (0.082 R)
• M9: 4,599,387 km (0.072 R)
• M10: 6,846,496 km (0.08 R)
• M11: 7,446,533 km (0.102 R)
• M12: 8,227,284 km (0.12 R)
• M13: 9,140,430 km (0.112 R)
• M14: 9,580,996 km (0.112 R)
• M15: 12,675,876 km (0.084 R)
• M16: 13,997,723 km (0.099 R)
• M17: 14,855,667 km (0.065 R)
• M18: 16,382,463 km (0.056 R)
• M19: 18,833,175 km (0.093 R)
• M20: 19,482,131 km (0.036 R)
• M21: 20,619,523 km (0.106 R)
• M22: 24,449,977 km (0.101 R)
• M23: 24,834,144 km (0.101 R)
• M24: 26,090,766 km (0.08 R)
• M25: 26,653,703 km (0.084 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 400.1

Radius: 10.6

Gravity: 3.56 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 4.51 AU - 4.79 AU

Year: 6921 Days

Day: 10.5 Hours

Environment

Temp: -219 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 74,955,799 km

• M1: 143,464 km (0.104 R)
• M2: 496,964 km (0.104 R)
• M3: 966,402 km (0.058 R)
• M4: 1,588,430 km (0.053 R)
• M5: 2,596,720 km (0.096 R)
• M6: 3,230,416 km (0.1 R)
• M7: 4,966,201 km (0.078 R)
• M8: 5,792,579 km (0.032 R)
• M9: 7,901,012 km (0.107 R)
• M10: 9,479,419 km (0.066 R)
• M11: 10,166,372 km (0.087 R)
• M12: 10,702,980 km (0.051 R)
• M13: 11,495,549 km (0.088 R)
• M14: 19,236,790 km (0.108 R)
• M15: 19,850,889 km (0.092 R)
• M16: 26,144,921 km (0.107 R)
• M17: 31,351,076 km (0.061 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 111

Radius: 11.5

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 4.84 AU - 5.72 AU

Year: 8375 Days

Day: 8.2 Hours

Environment

Temp: -221 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 74,955,799 km

• M1: 143,016 km (0.118 R)
• M2: 1,597,705 km (0.039 R)
• M3: 3,350,244 km (0.055 R)
• M4: 3,816,990 km (0.1 R)
• M5: 5,127,168 km (0.093 R)
• M6: 7,657,466 km (0.103 R)
• M7: 8,401,716 km (0.066 R)
• M8: 13,673,395 km (0.026 R)
• M9: 15,233,252 km (0.096 R)
• M10: 15,707,477 km (0.106 R)
• M11: 18,763,163 km (0.086 R)
• M12: 21,072,655 km (0.097 R)
• M13: 22,873,365 km (0.091 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 972.8

Radius: 3

Gravity: 108.09 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 4.77 AU - 7.77 AU

Year: 10837 Days

Day: 15.9 Hours

Environment

Temp: -238 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 74,955,799 km

• M1: 37,250 km (0.11 R)
• M2: 1,366,277 km (0.04 R)
• M3: 1,540,559 km (0.077 R)
• M4: 2,211,505 km (0.081 R)
• M5: 6,048,840 km (0.083 R)
• M6: 6,202,627 km (0.066 R)
• M7: 6,359,106 km (0.087 R)
• M8: 8,024,879 km (0.078 R)
• M9: 9,032,121 km (0.067 R)
• M10: 9,132,202 km (0.099 R)
• M11: 10,120,745 km (0.078 R)
• M12: 10,228,754 km (0.116 R)
• M13: 15,422,942 km (0.113 R)
• M14: 15,927,685 km (0.093 R)
• M15: 16,368,999 km (0.056 R)
• M16: 17,199,267 km (0.111 R)
• M17: 25,072,753 km (0.077 R)
• M18: 38,355,099 km (0.091 R)
• M19: 40,084,450 km (0.108 R)
• M20: 41,449,531 km (0.089 R)
• M21: 45,143,252 km (0.087 R)
• M22: 46,322,382 km (0.115 R)
• M23: 48,588,491 km (0.066 R)
• M24: 50,769,029 km (0.034 R)
• M25: 53,831,447 km (0.057 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 547.5

Radius: 5.1

Gravity: 21.05 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 6.07 AU - 6.69 AU

Year: 11124 Days

Day: 25 Hours

Environment

Temp: -231 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 74,955,799 km

• M1: 68,965 km (0.118 R)
• M2: 297,700 km (0.078 R)
• M3: 468,391 km (0.06 R)
• M4: 901,626 km (0.112 R)
• M5: 1,263,055 km (0.073 R)
• M6: 1,456,934 km (0.078 R)
• M7: 1,670,559 km (0.105 R)
• M8: 2,578,469 km (0.079 R)
• M9: 3,115,675 km (0.026 R)
• M10: 3,398,714 km (0.112 R)
• M11: 3,908,394 km (0.097 R)
• M12: 5,014,969 km (0.081 R)
• M13: 5,239,516 km (0.12 R)
• M14: 5,606,031 km (0.12 R)
• M15: 7,869,147 km (0.086 R)
• M16: 10,109,525 km (0.052 R)
• M17: 11,211,313 km (0.066 R)
• M18: 11,819,279 km (0.117 R)
• M19: 13,343,083 km (0.086 R)
• M20: 13,837,205 km (0.052 R)
• M21: 14,025,548 km (0.105 R)
• M22: 18,087,879 km (0.074 R)
• M23: 19,311,290 km (0.088 R)
• M24: 19,943,191 km (0.11 R)
• M25: 20,834,346 km (0.085 R)
• M26: 28,330,845 km (0.046 R)
• M27: 29,249,226 km (0.101 R)
• M28: 30,082,037 km (0.09 R)
• M29: 30,823,744 km (0.104 R)
• M30: 32,564,464 km (0.078 R)
• M31: 33,458,910 km (0.073 R)
• M32: 35,413,855 km (0.097 R)
• M33: 35,884,640 km (0.09 R)
• M34: 37,687,444 km (0.08 R)
• M35: 39,047,139 km (0.093 R)
• M36: 39,675,898 km (0.062 R)
• M37: 41,995,413 km (0.117 R)
• M38: 45,641,712 km (0.114 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 917.7

Radius: 5.9

Gravity: 26.36 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 7.34 AU - 9.52 AU

Year: 16895 Days

Day: 17.9 Hours

Environment

Temp: -239 °C

Axial Tilt: 45.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 74,955,799 km

• M1: 78,988 km (0.083 R)
• M2: 391,797 km (0.062 R)
• M3: 699,819 km (0.058 R)
• M4: 1,020,557 km (0.083 R)
• M5: 1,314,965 km (0.112 R)
• M6: 2,015,383 km (0.105 R)
• M7: 2,740,035 km (0.078 R)
• M8: 4,346,716 km (0.108 R)
• M9: 6,322,604 km (0.104 R)
• M10: 7,362,160 km (0.101 R)
• M11: 8,149,494 km (0.09 R)
• M12: 9,155,689 km (0.059 R)
• M13: 10,785,707 km (0.081 R)
• M14: 13,579,298 km (0.096 R)
• M15: 16,247,974 km (0.114 R)
• M16: 17,662,123 km (0.1 R)
• M17: 28,023,122 km (0.06 R)
• M18: 28,373,929 km (0.12 R)
• M19: 31,917,753 km (0.11 R)
• M20: 33,861,628 km (0.065 R)
• M21: 38,991,189 km (0.106 R)
• M22: 46,223,049 km (0.12 R)
• M23: 50,066,967 km (0.056 R)
• M24: 50,756,463 km (0.098 R)
• M25: 52,685,378 km (0.051 R)
• M26: 57,437,803 km (0.118 R)
• M27: 58,383,411 km (0.079 R)
• M28: 58,764,587 km (0.077 R)
• M29: 64,073,217 km (0.089 R)
• M30: 68,205,409 km (0.097 R)
• M31: 72,731,642 km (0.054 R)
• M32: 74,060,819 km (0.075 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 240 - 18,841 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit