🌌 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: 998.1

Radius: 13.2

Gravity: 5.73 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 0.85 AU - 1.09 AU

Year: 659 Days

Day: 10.6 Hours

Environment

Temp: -183 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 50,963,529 km

• M1: 166,802 km (0.061 R)
• M2: 768,484 km (0.041 R)
• M3: 1,265,448 km (0.112 R)
• M4: 1,880,296 km (0.109 R)
• M5: 2,962,337 km (0.091 R)
• M6: 3,536,793 km (0.043 R)
• M7: 4,046,323 km (0.099 R)
• M8: 5,472,739 km (0.118 R)
• M9: 6,724,424 km (0.098 R)
• M10: 7,938,710 km (0.055 R)
• M11: 8,713,926 km (0.08 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 264.6

Radius: 13.5

Gravity: 1.45 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.79 AU - 1.23 AU

Year: 701 Days

Day: 10.7 Hours

Environment

Temp: -180 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 50,963,529 km

• M1: 169,494 km (0.108 R)
• M2: 626,217 km (0.111 R)
• M3: 1,116,599 km (0.052 R)
• M4: 1,588,879 km (0.057 R)
• M5: 2,119,951 km (0.029 R)
• M6: 3,064,512 km (0.117 R)
• M7: 3,847,508 km (0.039 R)
• M8: 4,613,150 km (0.086 R)
• M9: 5,252,381 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 739.1

Radius: 10

Gravity: 7.39 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 0.9 AU - 1.44 AU

Year: 874 Days

Day: 12.7 Hours

Environment

Temp: -191 °C

Axial Tilt: 151.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 50,963,529 km

• M1: 124,615 km (0.057 R)
• M2: 608,265 km (0.099 R)
• M3: 1,066,483 km (0.084 R)
• M4: 1,414,298 km (0.085 R)
• M5: 2,037,224 km (0.066 R)
• M6: 3,062,867 km (0.099 R)
• M7: 3,415,619 km (0.113 R)
• M8: 4,302,136 km (0.118 R)
• M9: 4,641,124 km (0.095 R)
• M10: 5,239,815 km (0.061 R)
• M11: 5,807,689 km (0.072 R)
• M12: 6,702,433 km (0.1 R)
• M13: 7,206,429 km (0.092 R)
• M14: 7,564,416 km (0.097 R)
• M15: 8,111,047 km (0.101 R)
• M16: 9,283,296 km (0.052 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 272.8

Radius: 11.7

Gravity: 1.99 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 1.24 AU - 1.4 AU

Year: 1047 Days

Day: 9.1 Hours

Environment

Temp: -191 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 50,963,529 km

• M1: 145,559 km (0.098 R)
• M2: 557,402 km (0.108 R)
• M3: 933,491 km (0.096 R)
• M4: 1,329,327 km (0.099 R)
• M5: 1,700,479 km (0.105 R)
• M6: 2,345,695 km (0.069 R)
• M7: 3,038,782 km (0.086 R)
• M8: 3,765,678 km (0.115 R)
• M9: 4,230,927 km (0.108 R)
• M10: 5,190,298 km (0.09 R)
• M11: 5,900,589 km (0.094 R)
• M12: 6,289,244 km (0.074 R)
• M13: 6,841,260 km (0.115 R)
• M14: 7,559,629 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 966.4

Radius: 13

Gravity: 5.72 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 1.05 AU - 1.67 AU

Year: 1095 Days

Day: 14.5 Hours

Environment

Temp: -198 °C

Axial Tilt: 74.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 50,963,529 km

• M1: 161,715 km (0.026 R)
• M2: 660,175 km (0.1 R)
• M3: 1,529,638 km (0.066 R)
• M4: 2,351,529 km (0.111 R)
• M5: 2,810,495 km (0.062 R)
• M6: 3,241,038 km (0.092 R)
• M7: 4,184,851 km (0.098 R)
• M8: 4,599,536 km (0.045 R)
• M9: 5,324,787 km (0.04 R)
• M10: 6,377,956 km (0.068 R)
• M11: 7,003,873 km (0.044 R)
• M12: 7,884,107 km (0.113 R)
• M13: 9,371,259 km (0.11 R)
• M14: 10,604,095 km (0.078 R)
• M15: 11,038,079 km (0.07 R)
• M16: 11,588,749 km (0.098 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 711.2

Radius: 8.7

Gravity: 9.4 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 1.51 AU - 2.51 AU

Year: 1967 Days

Day: 5.3 Hours

Environment

Temp: -194 °C

Axial Tilt: 41.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 50,963,529 km

• M1: 108,159 km (0.091 R)
• M2: 458,517 km (0.102 R)
• M3: 825,481 km (0.116 R)
• M4: 1,120,937 km (0.12 R)
• M5: 1,737,280 km (0.04 R)
• M6: 2,171,263 km (0.116 R)
• M7: 2,851,186 km (0.109 R)
• M8: 3,508,818 km (0.114 R)
• M9: 4,607,465 km (0.085 R)
• M10: 6,271,442 km (0.102 R)
• M11: 6,933,263 km (0.052 R)
• M12: 7,936,765 km (0.119 R)
• M13: 8,364,316 km (0.05 R)
• M14: 8,710,934 km (0.078 R)
• M15: 11,412,074 km (0.112 R)
• M16: 12,683,207 km (0.115 R)
• M17: 13,057,052 km (0.107 R)
• M18: 13,958,229 km (0.095 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 452.2

Radius: 4.7

Gravity: 20.47 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 4.77 AU - 6.33 AU

Year: 9025 Days

Day: 19.4 Hours

Environment

Temp: -229 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 50,963,529 km

• M1: 58,493 km (0.103 R)
• M2: 233,223 km (0.11 R)
• M3: 418,874 km (0.102 R)
• M4: 681,269 km (0.089 R)
• M5: 921,972 km (0.055 R)
• M6: 1,382,135 km (0.11 R)
• M7: 1,950,906 km (0.093 R)
• M8: 2,296,776 km (0.117 R)
• M9: 3,534,549 km (0.106 R)
• M10: 4,255,910 km (0.081 R)
• M11: 4,471,032 km (0.056 R)
• M12: 4,721,907 km (0.091 R)
• M13: 5,221,115 km (0.099 R)
• M14: 6,186,770 km (0.116 R)
• M15: 8,010,966 km (0.096 R)
• M16: 8,634,191 km (0.041 R)
• M17: 11,045,260 km (0.115 R)
• M18: 13,753,879 km (0.104 R)
• M19: 17,008,380 km (0.087 R)
• M20: 23,043,607 km (0.109 R)
• M21: 23,707,373 km (0.1 R)
• M22: 24,469,275 km (0.105 R)
• M23: 25,247,483 km (0.111 R)
• M24: 26,131,158 km (0.076 R)
• M25: 37,821,633 km (0.068 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 464.9

Radius: 3.2

Gravity: 45.4 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 7.18 AU - 7.2 AU

Year: 13308 Days

Day: 19.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 41.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 50,963,529 km

• M1: 40,691 km (0.083 R)
• M2: 182,509 km (0.101 R)
• M3: 298,897 km (0.113 R)
• M4: 1,075,908 km (0.107 R)
• M5: 1,470,397 km (0.12 R)
• M6: 1,646,624 km (0.115 R)
• M7: 2,149,123 km (0.119 R)
• M8: 2,395,959 km (0.112 R)
• M9: 3,178,207 km (0.089 R)
• M10: 3,785,724 km (0.117 R)
• M11: 3,921,409 km (0.064 R)
• M12: 4,202,653 km (0.074 R)
• M13: 4,377,682 km (0.114 R)
• M14: 4,497,062 km (0.082 R)
• M15: 4,964,256 km (0.107 R)
• M16: 6,253,640 km (0.096 R)
• M17: 6,637,209 km (0.09 R)
• M18: 7,535,694 km (0.106 R)
• M19: 8,512,268 km (0.117 R)
• M20: 9,470,443 km (0.113 R)
• M21: 9,570,075 km (0.107 R)
• M22: 13,389,159 km (0.084 R)
• M23: 14,813,630 km (0.113 R)
• M24: 15,562,367 km (0.114 R)
• M25: 18,967,963 km (0.111 R)
• M26: 20,843,023 km (0.087 R)
• M27: 23,560,917 km (0.04 R)
• M28: 24,673,476 km (0.119 R)
• M29: 25,338,289 km (0.112 R)
• M30: 27,912,569 km (0.088 R)
• M31: 31,756,935 km (0.051 R)
• M32: 33,688,992 km (0.027 R)
• M33: 35,337,859 km (0.106 R)
• M34: 40,605,500 km (0.064 R)
• M35: 43,151,356 km (0.12 R)
• M36: 50,052,456 km (0.12 R)
• M37: 50,658,626 km (0.12 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: 406 - 12,930 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit