🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 957.9

Radius: 10.5

Gravity: 8.69 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 0.5 AU - 0.62 AU

Year: 289 Days

Day: 10 Hours

Environment

Temp: -147 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 63,311,923 km

• M1: 130,599 km (0.118 R)
• M2: 546,930 km (0.105 R)
• M3: 909,705 km (0.06 R)
• M4: 1,551,629 km (0.09 R)
• M5: 1,891,665 km (0.046 R)
• M6: 2,640,402 km (0.108 R)
• M7: 2,984,777 km (0.085 R)
• M8: 3,370,590 km (0.084 R)
• M9: 3,705,539 km (0.057 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 371

Radius: 14.2

Gravity: 1.84 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 0.91 AU - 1.31 AU

Year: 807 Days

Day: 8.5 Hours

Environment

Temp: -183 °C

Axial Tilt: 44.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 63,311,923 km

• M1: 177,124 km (0.11 R)
• M2: 770,878 km (0.055 R)
• M3: 1,242,859 km (0.051 R)
• M4: 1,792,930 km (0.111 R)
• M5: 2,366,638 km (0.068 R)
• M6: 3,062,268 km (0.048 R)
• M7: 3,795,298 km (0.116 R)
• M8: 4,930,895 km (0.108 R)
• M9: 5,437,434 km (0.098 R)
• M10: 6,961,387 km (0.053 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 910.8

Radius: 9.7

Gravity: 9.68 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 2.51 AU - 3.57 AU

Year: 3659 Days

Day: 10.1 Hours

Environment

Temp: -218 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 63,311,923 km

• M1: 121,473 km (0.04 R)
• M2: 560,543 km (0.081 R)
• M3: 1,016,817 km (0.114 R)
• M4: 1,787,545 km (0.113 R)
• M5: 3,396,021 km (0.028 R)
• M6: 3,765,678 km (0.113 R)
• M7: 4,610,906 km (0.077 R)
• M8: 5,196,880 km (0.1 R)
• M9: 6,394,711 km (0.118 R)
• M10: 7,663,450 km (0.072 R)
• M11: 8,121,519 km (0.114 R)
• M12: 14,227,505 km (0.094 R)
• M13: 17,613,803 km (0.087 R)
• M14: 18,789,193 km (0.059 R)
• M15: 20,214,711 km (0.082 R)
• M16: 25,383,916 km (0.053 R)
• M17: 25,694,481 km (0.106 R)
• M18: 26,482,114 km (0.077 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 598.8

Radius: 13.4

Gravity: 3.33 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 3.45 AU - 5.05 AU

Year: 6048 Days

Day: 5.4 Hours

Environment

Temp: -229 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 63,311,923 km

• M1: 167,550 km (0.05 R)
• M2: 1,886,280 km (0.089 R)
• M3: 2,705,477 km (0.057 R)
• M4: 3,238,345 km (0.043 R)
• M5: 4,778,306 km (0.085 R)
• M6: 5,711,348 km (0.065 R)
• M7: 8,359,529 km (0.12 R)
• M8: 9,584,436 km (0.051 R)
• M9: 10,740,080 km (0.099 R)
• M10: 11,593,237 km (0.043 R)
• M11: 12,748,431 km (0.086 R)
• M12: 13,650,507 km (0.094 R)
• M13: 15,701,194 km (0.113 R)
• M14: 16,613,592 km (0.066 R)
• M15: 17,368,762 km (0.09 R)
• M16: 19,015,385 km (0.11 R)
• M17: 19,632,925 km (0.093 R)
• M18: 26,736,431 km (0.05 R)
• M19: 28,302,272 km (0.095 R)
• M20: 30,577,655 km (0.091 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 513.8

Radius: 4.5

Gravity: 25.37 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 5.59 AU - 6.99 AU

Year: 10889 Days

Day: 15.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 63,311,923 km

• M1: 56,099 km (0.119 R)
• M2: 371,751 km (0.099 R)
• M3: 520,002 km (0.066 R)
• M4: 1,695,542 km (0.058 R)
• M5: 2,642,497 km (0.062 R)
• M6: 4,775,164 km (0.109 R)
• M7: 6,871,479 km (0.104 R)
• M8: 7,225,278 km (0.111 R)
• M9: 8,448,241 km (0.116 R)
• M10: 9,273,123 km (0.108 R)
• M11: 10,352,621 km (0.097 R)
• M12: 11,404,294 km (0.066 R)
• M13: 12,181,605 km (0.082 R)
• M14: 16,743,742 km (0.039 R)
• M15: 22,755,332 km (0.057 R)
• M16: 33,507,081 km (0.058 R)
• M17: 34,635,797 km (0.114 R)
• M18: 44,728,118 km (0.106 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 612

Radius: 6.8

Gravity: 13.24 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 6.62 AU - 9.68 AU

Year: 16060 Days

Day: 16.6 Hours

Environment

Temp: -238 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 63,311,923 km

• M1: 95,743 km (0.075 R)
• M2: 447,148 km (0.116 R)
• M3: 814,411 km (0.113 R)
• M4: 1,371,064 km (0.046 R)
• M5: 2,440,390 km (0.117 R)
• M6: 2,726,272 km (0.051 R)
• M7: 3,083,960 km (0.115 R)
• M8: 3,922,307 km (0.114 R)
• M9: 5,111,610 km (0.092 R)
• M10: 5,544,247 km (0.12 R)
• M11: 6,119,301 km (0.11 R)
• M12: 7,253,253 km (0.1 R)
• M13: 7,568,904 km (0.096 R)
• M14: 8,179,264 km (0.084 R)
• M15: 9,658,487 km (0.047 R)
• M16: 12,873,046 km (0.057 R)
• M17: 13,136,339 km (0.078 R)
• M18: 19,443,684 km (0.115 R)
• M19: 23,782,471 km (0.027 R)
• M20: 31,139,844 km (0.113 R)
• M21: 35,976,493 km (0.079 R)
• M22: 38,913,997 km (0.094 R)
• M23: 54,123,163 km (0.08 R)
• M24: 62,556,294 km (0.042 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 526 - 17,822 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit