🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.72 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 621.4

Radius: 9.1

Gravity: 7.5 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 1.42 AU - 1.46 AU

Year: 1116 Days

Day: 9.2 Hours

Environment

Temp: -185 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 55,798,417 km

• M1: 113,694 km (0.114 R)
• M2: 581,188 km (0.093 R)
• M3: 873,652 km (0.04 R)
• M4: 1,210,845 km (0.072 R)
• M5: 1,524,701 km (0.092 R)
• M6: 1,922,482 km (0.09 R)
• M7: 2,400,148 km (0.093 R)
• M8: 2,824,857 km (0.041 R)
• M9: 3,144,547 km (0.059 R)
• M10: 3,921,559 km (0.099 R)
• M11: 4,602,229 km (0.079 R)
• M12: 5,085,430 km (0.056 R)
• M13: 5,873,512 km (0.11 R)
• M14: 6,285,803 km (0.106 R)
• M15: 7,339,870 km (0.102 R)
• M16: 7,741,690 km (0.084 R)
• M17: 9,093,007 km (0.086 R)
• M18: 9,468,648 km (0.087 R)
• M19: 9,975,635 km (0.115 R)
• M20: 10,531,989 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 696.6

Radius: 9.1

Gravity: 8.41 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 3.12 AU - 3.7 AU

Year: 4066 Days

Day: 10.7 Hours

Environment

Temp: -210 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 55,798,417 km

• M1: 113,246 km (0.105 R)
• M2: 544,835 km (0.079 R)
• M3: 928,704 km (0.104 R)
• M4: 1,223,262 km (0.115 R)
• M5: 1,711,998 km (0.102 R)
• M6: 2,222,127 km (0.078 R)
• M7: 2,578,020 km (0.103 R)
• M8: 6,121,545 km (0.081 R)
• M9: 7,859,573 km (0.118 R)
• M10: 8,178,366 km (0.038 R)
• M11: 11,092,981 km (0.101 R)
• M12: 11,676,263 km (0.1 R)
• M13: 12,374,586 km (0.075 R)
• M14: 17,638,935 km (0.098 R)
• M15: 18,433,599 km (0.1 R)
• M16: 19,315,778 km (0.096 R)
• M17: 21,232,575 km (0.103 R)
• M18: 22,555,021 km (0.1 R)
• M19: 22,983,768 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 377.7

Radius: 11.2

Gravity: 3.01 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 3.38 AU - 3.88 AU

Year: 4466 Days

Day: 13.6 Hours

Environment

Temp: -207 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 55,798,417 km

• M1: 139,276 km (0.103 R)
• M2: 531,222 km (0.028 R)
• M3: 967,001 km (0.084 R)
• M4: 1,655,450 km (0.109 R)
• M5: 2,303,508 km (0.096 R)
• M6: 2,841,013 km (0.074 R)
• M7: 4,343,873 km (0.059 R)
• M8: 6,038,668 km (0.117 R)
• M9: 7,967,882 km (0.101 R)
• M10: 9,276,115 km (0.056 R)
• M11: 10,397,650 km (0.046 R)
• M12: 13,048,824 km (0.086 R)
• M13: 14,106,780 km (0.079 R)
• M14: 16,229,574 km (0.106 R)
• M15: 18,203,518 km (0.108 R)
• M16: 18,735,937 km (0.096 R)
• M17: 19,708,023 km (0.115 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 519.6

Radius: 5.4

Gravity: 17.82 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 6.34 AU - 6.92 AU

Year: 11023 Days

Day: 21.3 Hours

Environment

Temp: -230 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 55,798,417 km

• M1: 67,169 km (0.072 R)
• M2: 240,553 km (0.092 R)
• M3: 633,846 km (0.118 R)
• M4: 1,089,671 km (0.08 R)
• M5: 1,441,375 km (0.11 R)
• M6: 2,830,242 km (0.116 R)
• M7: 3,138,563 km (0.065 R)
• M8: 3,420,406 km (0.113 R)
• M9: 4,454,725 km (0.118 R)
• M10: 5,186,259 km (0.08 R)
• M11: 5,648,367 km (0.055 R)
• M12: 6,503,917 km (0.107 R)
• M13: 7,774,601 km (0.107 R)
• M14: 8,876,090 km (0.081 R)
• M15: 9,878,845 km (0.108 R)
• M16: 12,050,108 km (0.109 R)
• M17: 13,519,459 km (0.098 R)
• M18: 15,368,788 km (0.115 R)
• M19: 16,181,104 km (0.099 R)
• M20: 16,950,486 km (0.055 R)
• M21: 17,164,560 km (0.09 R)
• M22: 18,187,212 km (0.09 R)
• M23: 19,875,274 km (0.096 R)
• M24: 21,002,344 km (0.118 R)
• M25: 22,513,133 km (0.041 R)
• M26: 26,604,336 km (0.067 R)
• M27: 30,109,414 km (0.084 R)
• M28: 32,135,268 km (0.101 R)
• M29: 35,052,277 km (0.116 R)
• M30: 38,018,952 km (0.112 R)
• M31: 43,772,935 km (0.086 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 782.8

Radius: 4.4

Gravity: 40.43 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 7.17 AU - 8.71 AU

Year: 14446 Days

Day: 18.5 Hours

Environment

Temp: -222 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 55,798,417 km

• M1: 54,753 km (0.071 R)
• M2: 283,937 km (0.106 R)
• M3: 459,864 km (0.054 R)
• M4: 764,296 km (0.116 R)
• M5: 1,090,868 km (0.12 R)
• M6: 1,356,553 km (0.091 R)
• M7: 1,631,514 km (0.115 R)
• M8: 1,924,277 km (0.034 R)
• M9: 5,001,356 km (0.094 R)
• M10: 9,313,515 km (0.104 R)
• M11: 16,906,803 km (0.097 R)
• M12: 22,859,153 km (0.105 R)
• M13: 24,843,868 km (0.089 R)
• M14: 26,299,754 km (0.115 R)
• M15: 26,512,183 km (0.113 R)
• M16: 33,433,329 km (0.079 R)
• M17: 33,933,285 km (0.105 R)
• M18: 36,376,817 km (0.077 R)
• M19: 38,523,396 km (0.077 R)
• M20: 39,907,027 km (0.081 R)
• M21: 40,047,200 km (0.104 R)
• M22: 43,066,983 km (0.12 R)
• M23: 43,807,642 km (0.094 R)
• M24: 55,435,436 km (0.096 R)
• M25: 61,576,877 km (0.091 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 365.2

Radius: 3.9

Gravity: 24.01 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 8.91 AU - 8.93 AU

Year: 17201 Days

Day: 17.8 Hours

Environment

Temp: -221 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 55,798,417 km

• M1: 56,398 km (0.116 R)
• M2: 289,921 km (0.066 R)
• M3: 449,242 km (0.1 R)
• M4: 579,692 km (0.109 R)
• M5: 781,350 km (0.095 R)
• M6: 983,756 km (0.052 R)
• M7: 1,661,584 km (0.093 R)
• M8: 2,826,801 km (0.108 R)
• M9: 5,334,660 km (0.076 R)
• M10: 6,291,338 km (0.058 R)
• M11: 7,707,881 km (0.077 R)
• M12: 7,978,204 km (0.077 R)
• M13: 12,030,362 km (0.099 R)
• M14: 14,800,465 km (0.112 R)
• M15: 17,194,181 km (0.107 R)
• M16: 18,204,116 km (0.058 R)
• M17: 19,583,408 km (0.108 R)
• M18: 20,943,851 km (0.088 R)
• M19: 21,205,797 km (0.099 R)
• M20: 23,193,654 km (0.099 R)
• M21: 26,504,704 km (0.118 R)
• M22: 30,228,344 km (0.062 R)
• M23: 31,810,491 km (0.117 R)
• M24: 32,738,896 km (0.12 R)
• M25: 34,771,482 km (0.114 R)
• M26: 40,150,722 km (0.073 R)
• M27: 51,087,523 km (0.03 R)
• M28: 53,003,274 km (0.086 R)
• M29: 55,298,105 km (0.108 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 494 - 18,956 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit