🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 628.9

Radius: 11.5

Gravity: 4.76 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.6 AU - 0.92 AU

Year: 457 Days

Day: 7.8 Hours

Environment

Temp: -153 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 38,236,084 km

• M1: 143,016 km (0.097 R)
• M2: 506,838 km (0.115 R)
• M3: 905,366 km (0.091 R)
• M4: 1,283,400 km (0.038 R)
• M5: 1,777,073 km (0.112 R)
• M6: 2,189,215 km (0.113 R)
• M7: 3,256,147 km (0.098 R)
• M8: 4,011,766 km (0.084 R)
• M9: 4,670,894 km (0.118 R)
• M10: 5,255,523 km (0.042 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 545.9

Radius: 13.2

Gravity: 3.13 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 0.89 AU - 0.93 AU

Year: 599 Days

Day: 13.7 Hours

Environment

Temp: -174 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 38,236,084 km

• M1: 164,258 km (0.106 R)
• M2: 652,696 km (0.062 R)
• M3: 1,507,348 km (0.107 R)
• M4: 2,038,869 km (0.038 R)
• M5: 2,451,760 km (0.116 R)
• M6: 3,160,554 km (0.086 R)
• M7: 4,597,741 km (0.082 R)
• M8: 5,454,189 km (0.051 R)
• M9: 6,588,141 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 885.5

Radius: 11.6

Gravity: 6.58 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 1.14 AU - 1.64 AU

Year: 1131 Days

Day: 12.3 Hours

Environment

Temp: -182 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 38,236,084 km

• M1: 144,212 km (0.083 R)
• M2: 597,943 km (0.057 R)
• M3: 1,608,028 km (0.103 R)
• M4: 2,870,185 km (0.061 R)
• M5: 4,705,451 km (0.107 R)
• M6: 5,611,267 km (0.082 R)
• M7: 6,117,207 km (0.109 R)
• M8: 6,487,012 km (0.117 R)
• M9: 7,120,111 km (0.064 R)
• M10: 7,901,311 km (0.114 R)
• M11: 8,509,725 km (0.062 R)
• M12: 9,851,768 km (0.114 R)
• M13: 11,854,584 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 263.4

Radius: 14.3

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 1.67 AU - 1.67 AU

Year: 1490 Days

Day: 14.3 Hours

Environment

Temp: -195 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 38,236,084 km

• M1: 178,021 km (0.065 R)
• M2: 676,930 km (0.116 R)
• M3: 1,189,153 km (0.086 R)
• M4: 2,132,966 km (0.069 R)
• M5: 2,651,921 km (0.052 R)
• M6: 3,175,215 km (0.072 R)
• M7: 3,797,392 km (0.112 R)
• M8: 5,213,336 km (0.078 R)
• M9: 6,104,790 km (0.098 R)
• M10: 6,912,020 km (0.111 R)
• M11: 8,319,586 km (0.058 R)
• M12: 8,766,435 km (0.112 R)
• M13: 9,452,790 km (0.042 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 560.5

Radius: 12.1

Gravity: 3.83 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 1.7 AU - 2.48 AU

Year: 2086 Days

Day: 9.3 Hours

Environment

Temp: -211 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 38,236,084 km

• M1: 150,495 km (0.115 R)
• M2: 547,379 km (0.073 R)
• M3: 1,055,563 km (0.096 R)
• M4: 1,583,045 km (0.099 R)
• M5: 1,965,267 km (0.079 R)
• M6: 2,777,135 km (0.069 R)
• M7: 3,908,394 km (0.105 R)
• M8: 5,258,365 km (0.095 R)
• M9: 5,763,408 km (0.111 R)
• M10: 6,351,327 km (0.058 R)
• M11: 7,363,656 km (0.093 R)
• M12: 7,849,999 km (0.046 R)
• M13: 9,209,544 km (0.099 R)
• M14: 9,673,447 km (0.064 R)
• M15: 10,612,323 km (0.098 R)
• M16: 11,308,701 km (0.103 R)
• M17: 14,403,283 km (0.092 R)
• M18: 14,848,636 km (0.098 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 205.8

Radius: 8.5

Gravity: 2.85 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 2.98 AU - 3.62 AU

Year: 4138 Days

Day: 13.4 Hours

Environment

Temp: -205 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 38,236,084 km

• M1: 105,915 km (0.098 R)
• M2: 466,297 km (0.099 R)
• M3: 742,604 km (0.105 R)
• M4: 1,047,783 km (0.118 R)
• M5: 2,865,248 km (0.113 R)
• M6: 3,422,201 km (0.061 R)
• M7: 3,857,381 km (0.096 R)
• M8: 5,131,357 km (0.102 R)
• M9: 6,106,286 km (0.079 R)
• M10: 6,637,658 km (0.111 R)
• M11: 9,212,985 km (0.103 R)
• M12: 10,165,325 km (0.08 R)
• M13: 11,815,389 km (0.072 R)
• M14: 12,852,851 km (0.091 R)
• M15: 15,540,526 km (0.07 R)
• M16: 16,079,976 km (0.092 R)
• M17: 16,429,736 km (0.115 R)
• M18: 16,938,219 km (0.119 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 501.3

Radius: 6.8

Gravity: 10.84 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 5.8 AU - 5.82 AU

Year: 9667 Days

Day: 21.5 Hours

Environment

Temp: -223 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 38,236,084 km

• M1: 86,468 km (0.087 R)
• M2: 347,067 km (0.117 R)
• M3: 610,808 km (0.093 R)
• M4: 833,859 km (0.104 R)
• M5: 1,112,410 km (0.115 R)
• M6: 1,376,899 km (0.104 R)
• M7: 1,683,275 km (0.104 R)
• M8: 2,781,922 km (0.119 R)
• M9: 3,162,649 km (0.112 R)
• M10: 3,601,718 km (0.085 R)
• M11: 4,922,518 km (0.105 R)
• M12: 5,165,315 km (0.053 R)
• M13: 5,416,191 km (0.082 R)
• M14: 6,044,801 km (0.106 R)
• M15: 6,906,934 km (0.119 R)
• M16: 7,446,384 km (0.085 R)
• M17: 8,522,142 km (0.107 R)
• M18: 10,080,503 km (0.078 R)
• M19: 11,132,625 km (0.063 R)
• M20: 14,050,382 km (0.057 R)
• M21: 14,915,357 km (0.066 R)
• M22: 15,946,684 km (0.089 R)
• M23: 18,007,245 km (0.075 R)
• M24: 18,878,952 km (0.085 R)
• M25: 20,007,818 km (0.088 R)
• M26: 21,743,901 km (0.095 R)
• M27: 22,070,024 km (0.106 R)
• M28: 22,316,861 km (0.104 R)
• M29: 23,663,840 km (0.069 R)
• M30: 26,891,264 km (0.103 R)
• M31: 27,456,296 km (0.111 R)
• M32: 34,866,776 km (0.116 R)
• M33: 40,361,655 km (0.098 R)
• M34: 40,607,444 km (0.083 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 106

Radius: 7.9

Gravity: 1.7 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 7.41 AU - 10.25 AU

Year: 18111 Days

Day: 19.2 Hours

Environment

Temp: -229 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 38,236,084 km

• M1: 98,435 km (0.109 R)
• M2: 865,723 km (0.037 R)
• M3: 1,419,534 km (0.119 R)
• M4: 1,862,793 km (0.09 R)
• M5: 2,669,424 km (0.105 R)
• M6: 3,130,485 km (0.053 R)
• M7: 3,643,456 km (0.083 R)
• M8: 4,289,719 km (0.113 R)
• M9: 5,039,204 km (0.088 R)
• M10: 6,103,593 km (0.112 R)
• M11: 7,970,874 km (0.074 R)
• M12: 9,320,097 km (0.084 R)
• M13: 15,179,696 km (0.083 R)
• M14: 16,316,640 km (0.1 R)
• M15: 19,333,430 km (0.109 R)
• M16: 21,669,401 km (0.066 R)
• M17: 22,142,280 km (0.111 R)
• M18: 22,702,674 km (0.119 R)
• M19: 25,039,392 km (0.061 R)
• M20: 26,265,796 km (0.087 R)
• M21: 37,215,612 km (0.115 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: 275 - 11,278 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit