🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 493.8

Radius: 11.6

Gravity: 3.67 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 0.6 AU - 0.82 AU

Year: 413 Days

Day: 9 Hours

Environment

Temp: -167 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 63,443,826 km

• M1: 144,512 km (0.1 R)
• M2: 891,454 km (0.104 R)
• M3: 1,398,142 km (0.026 R)
• M4: 2,030,342 km (0.046 R)
• M5: 2,757,388 km (0.112 R)
• M6: 3,155,318 km (0.09 R)
• M7: 3,591,695 km (0.033 R)
• M8: 4,017,600 km (0.073 R)
• M9: 4,783,990 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 466.8

Radius: 10.8

Gravity: 4 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 1.51 AU - 1.99 AU

Year: 1598 Days

Day: 8.9 Hours

Environment

Temp: -192 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 63,443,826 km

• M1: 134,339 km (0.116 R)
• M2: 688,599 km (0.026 R)
• M3: 1,025,194 km (0.099 R)
• M4: 1,393,803 km (0.042 R)
• M5: 2,026,303 km (0.032 R)
• M6: 2,761,726 km (0.097 R)
• M7: 3,431,326 km (0.113 R)
• M8: 3,896,277 km (0.111 R)
• M9: 4,421,365 km (0.069 R)
• M10: 5,073,013 km (0.109 R)
• M11: 5,422,175 km (0.114 R)
• M12: 6,146,229 km (0.099 R)
• M13: 8,114,039 km (0.088 R)
• M14: 8,564,628 km (0.103 R)
• M15: 10,869,482 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 654.5

Radius: 12.8

Gravity: 3.99 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 1.48 AU - 2.2 AU

Year: 1723 Days

Day: 9.7 Hours

Environment

Temp: -197 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 63,443,826 km

• M1: 160,369 km (0.108 R)
• M2: 569,369 km (0.078 R)
• M3: 1,105,528 km (0.112 R)
• M4: 1,768,097 km (0.1 R)
• M5: 2,239,331 km (0.107 R)
• M6: 3,038,931 km (0.072 R)
• M7: 4,391,894 km (0.09 R)
• M8: 4,929,399 km (0.117 R)
• M9: 5,444,016 km (0.108 R)
• M10: 6,455,896 km (0.111 R)
• M11: 6,915,311 km (0.086 R)
• M12: 7,645,349 km (0.085 R)
• M13: 8,189,287 km (0.045 R)
• M14: 8,820,739 km (0.05 R)
• M15: 10,180,883 km (0.059 R)
• M16: 13,642,428 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 350.5

Radius: 8.9

Gravity: 4.42 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 1.88 AU - 3 AU

Year: 2631 Days

Day: 6.7 Hours

Environment

Temp: -206 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 63,443,826 km

• M1: 110,702 km (0.116 R)
• M2: 411,544 km (0.087 R)
• M3: 1,469,500 km (0.038 R)
• M4: 1,860,998 km (0.103 R)
• M5: 2,147,627 km (0.053 R)
• M6: 2,437,697 km (0.095 R)
• M7: 3,453,168 km (0.119 R)
• M8: 4,939,123 km (0.109 R)
• M9: 5,704,915 km (0.095 R)
• M10: 6,091,775 km (0.092 R)
• M11: 6,810,742 km (0.065 R)
• M12: 8,417,274 km (0.081 R)
• M13: 9,507,693 km (0.088 R)
• M14: 12,084,366 km (0.107 R)
• M15: 12,361,272 km (0.108 R)
• M16: 13,596,502 km (0.061 R)
• M17: 15,368,788 km (0.088 R)
• M18: 15,647,339 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 465.2

Radius: 9.6

Gravity: 5.05 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 2.18 AU - 3.06 AU

Year: 2927 Days

Day: 9.1 Hours

Environment

Temp: -214 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 63,443,826 km

• M1: 119,529 km (0.113 R)
• M2: 490,831 km (0.073 R)
• M3: 1,077,105 km (0.111 R)
• M4: 1,391,410 km (0.073 R)
• M5: 2,035,429 km (0.067 R)
• M6: 2,610,932 km (0.092 R)
• M7: 3,501,338 km (0.099 R)
• M8: 5,645,225 km (0.069 R)
• M9: 5,973,742 km (0.089 R)
• M10: 6,724,873 km (0.106 R)
• M11: 7,628,295 km (0.068 R)
• M12: 8,743,397 km (0.069 R)
• M13: 9,149,705 km (0.078 R)
• M14: 10,369,825 km (0.106 R)
• M15: 10,980,035 km (0.101 R)
• M16: 11,981,443 km (0.105 R)
• M17: 12,955,325 km (0.086 R)
• M18: 13,528,584 km (0.075 R)
• M19: 14,072,821 km (0.084 R)
• M20: 14,868,532 km (0.049 R)
• M21: 15,595,428 km (0.083 R)
• M22: 16,244,384 km (0.055 R)
• M23: 17,649,557 km (0.106 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 445.5

Radius: 9

Gravity: 5.5 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 2.88 AU - 3.6 AU

Year: 4026 Days

Day: 14.7 Hours

Environment

Temp: -221 °C

Axial Tilt: 119.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 63,443,826 km

• M1: 113,246 km (0.097 R)
• M2: 455,526 km (0.036 R)
• M3: 816,056 km (0.079 R)
• M4: 1,271,731 km (0.05 R)
• M5: 1,597,556 km (0.098 R)
• M6: 2,436,052 km (0.106 R)
• M7: 2,979,092 km (0.113 R)
• M8: 3,334,836 km (0.095 R)
• M9: 3,639,866 km (0.103 R)
• M10: 4,068,464 km (0.042 R)
• M11: 4,576,348 km (0.114 R)
• M12: 5,002,702 km (0.105 R)
• M13: 5,745,306 km (0.078 R)
• M14: 7,513,104 km (0.079 R)
• M15: 8,347,112 km (0.106 R)
• M16: 9,503,055 km (0.11 R)
• M17: 12,579,535 km (0.096 R)
• M18: 13,134,244 km (0.082 R)
• M19: 13,656,939 km (0.075 R)
• M20: 14,242,914 km (0.095 R)
• M21: 15,887,743 km (0.102 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 934.2

Radius: 6

Gravity: 25.95 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 6.58 AU - 8.2 AU

Year: 13867 Days

Day: 16 Hours

Environment

Temp: -223 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 63,443,826 km

• M1: 74,649 km (0.107 R)
• M2: 920,625 km (0.095 R)
• M3: 1,169,407 km (0.102 R)
• M4: 2,022,563 km (0.119 R)
• M5: 2,468,963 km (0.077 R)
• M6: 3,206,780 km (0.108 R)
• M7: 5,546,939 km (0.075 R)
• M8: 6,294,031 km (0.113 R)
• M9: 6,842,457 km (0.056 R)
• M10: 8,082,623 km (0.097 R)
• M11: 8,327,814 km (0.09 R)
• M12: 9,411,950 km (0.09 R)
• M13: 11,361,958 km (0.072 R)
• M14: 11,857,127 km (0.041 R)
• M15: 15,507,764 km (0.093 R)
• M16: 17,382,824 km (0.09 R)
• M17: 17,709,396 km (0.109 R)
• M18: 23,111,824 km (0.114 R)
• M19: 24,513,705 km (0.111 R)
• M20: 25,549,072 km (0.107 R)
• M21: 26,398,190 km (0.111 R)
• M22: 29,633,992 km (0.093 R)
• M23: 35,033,428 km (0.099 R)
• M24: 36,879,914 km (0.118 R)
• M25: 43,253,382 km (0.111 R)
• M26: 46,307,422 km (0.03 R)
• M27: 51,823,844 km (0.066 R)
• M28: 53,182,641 km (0.115 R)
• M29: 55,089,565 km (0.082 R)
• M30: 59,776,916 km (0.112 R)
• M31: 60,334,317 km (0.099 R)
• M32: 64,723,220 km (0.11 R)
• M33: 66,100,118 km (0.101 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 327.5

Radius: 4.7

Gravity: 14.83 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 7.89 AU - 8.47 AU

Year: 16149 Days

Day: 19.4 Hours

Environment

Temp: -236 °C

Axial Tilt: 174.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 63,443,826 km

• M1: 81,980 km (0.06 R)
• M2: 411,843 km (0.107 R)
• M3: 770,878 km (0.09 R)
• M4: 953,836 km (0.1 R)
• M5: 1,354,609 km (0.103 R)
• M6: 1,731,296 km (0.107 R)
• M7: 1,995,785 km (0.112 R)
• M8: 2,230,205 km (0.085 R)
• M9: 2,482,876 km (0.118 R)
• M10: 2,908,482 km (0.07 R)
• M11: 5,140,033 km (0.102 R)
• M12: 5,306,835 km (0.099 R)
• M13: 6,158,346 km (0.073 R)
• M14: 7,179,501 km (0.095 R)
• M15: 11,812,846 km (0.089 R)
• M16: 14,407,173 km (0.081 R)
• M17: 16,333,245 km (0.068 R)
• M18: 19,696,056 km (0.097 R)
• M19: 23,038,670 km (0.083 R)
• M20: 24,607,204 km (0.109 R)
• M21: 32,154,267 km (0.054 R)
• M22: 33,526,379 km (0.077 R)
• M23: 42,587,372 km (0.077 R)
• M24: 43,133,704 km (0.082 R)
• M25: 45,793,105 km (0.097 R)
• M26: 50,974,427 km (0.076 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 282.3

Radius: 3.6

Gravity: 21.78 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 10.21 AU - 10.93 AU

Year: 23720 Days

Day: 21.7 Hours

Environment

Temp: -239 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 63,443,826 km

• M1: 48,769 km (0.086 R)
• M2: 719,865 km (0.105 R)
• M3: 988,543 km (0.12 R)
• M4: 1,527,843 km (0.064 R)
• M5: 1,722,470 km (0.042 R)
• M6: 4,132,791 km (0.108 R)
• M7: 5,556,514 km (0.119 R)
• M8: 6,419,245 km (0.032 R)
• M9: 11,358,518 km (0.109 R)
• M10: 13,065,579 km (0.078 R)
• M11: 17,616,944 km (0.118 R)
• M12: 20,333,343 km (0.109 R)
• M13: 20,691,330 km (0.102 R)
• M14: 21,053,507 km (0.091 R)
• M15: 22,832,076 km (0.089 R)
• M16: 24,204,786 km (0.094 R)
• M17: 25,115,687 km (0.103 R)
• M18: 45,496,602 km (0.042 R)
• M19: 53,888,145 km (0.05 R)
• M20: 60,265,203 km (0.105 R)
• M21: 61,003,319 km (0.103 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 519 - 13,282 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit