🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.6 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 209.1

Radius: 8

Gravity: 3.27 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 1.17 AU - 1.23 AU

Year: 836 Days

Day: 11.2 Hours

Environment

Temp: -158 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 55,691,687 km

• M1: 100,380 km (0.048 R)
• M2: 490,831 km (0.062 R)
• M3: 862,881 km (0.092 R)
• M4: 2,016,579 km (0.112 R)
• M5: 2,403,140 km (0.105 R)
• M6: 3,313,443 km (0.076 R)
• M7: 3,814,147 km (0.119 R)
• M8: 5,109,066 km (0.118 R)
• M9: 5,742,913 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 571.4

Radius: 12.8

Gravity: 3.49 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 1.91 AU - 2.37 AU

Year: 1990 Days

Day: 14.1 Hours

Environment

Temp: -187 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 55,691,687 km

• M1: 159,172 km (0.067 R)
• M2: 566,078 km (0.027 R)
• M3: 1,500,616 km (0.088 R)
• M4: 2,154,808 km (0.095 R)
• M5: 2,919,402 km (0.084 R)
• M6: 3,382,109 km (0.063 R)
• M7: 3,787,220 km (0.111 R)
• M8: 4,187,394 km (0.115 R)
• M9: 4,758,259 km (0.047 R)
• M10: 6,479,233 km (0.06 R)
• M11: 7,355,578 km (0.11 R)
• M12: 7,808,111 km (0.089 R)
• M13: 8,926,655 km (0.117 R)
• M14: 9,607,325 km (0.062 R)
• M15: 10,746,961 km (0.11 R)
• M16: 11,146,238 km (0.067 R)
• M17: 12,924,658 km (0.117 R)
• M18: 14,796,277 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 403.5

Radius: 11.9

Gravity: 2.85 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 2.1 AU - 2.78 AU

Year: 2423 Days

Day: 10.4 Hours

Environment

Temp: -190 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 55,691,687 km

• M1: 147,952 km (0.116 R)
• M2: 525,238 km (0.106 R)
• M3: 2,285,855 km (0.088 R)
• M4: 3,197,804 km (0.056 R)
• M5: 3,590,798 km (0.115 R)
• M6: 3,997,853 km (0.089 R)
• M7: 4,455,623 km (0.11 R)
• M8: 5,142,277 km (0.099 R)
• M9: 5,545,743 km (0.037 R)
• M10: 7,688,882 km (0.104 R)
• M11: 10,944,131 km (0.04 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 740

Radius: 12.8

Gravity: 4.52 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 2.49 AU - 3.25 AU

Year: 3091 Days

Day: 6.1 Hours

Environment

Temp: -208 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 55,691,687 km

• M1: 164,707 km (0.115 R)
• M2: 659,876 km (0.093 R)
• M3: 1,149,660 km (0.094 R)
• M4: 1,556,267 km (0.096 R)
• M5: 2,276,281 km (0.101 R)
• M6: 2,834,431 km (0.111 R)
• M7: 3,280,532 km (0.076 R)
• M8: 3,694,469 km (0.104 R)
• M9: 4,403,713 km (0.077 R)
• M10: 5,054,613 km (0.057 R)
• M11: 6,376,011 km (0.084 R)
• M12: 7,719,400 km (0.077 R)
• M13: 8,527,527 km (0.086 R)
• M14: 13,487,295 km (0.079 R)
• M15: 13,919,334 km (0.075 R)
• M16: 15,530,653 km (0.056 R)
• M17: 16,544,328 km (0.079 R)
• M18: 17,488,440 km (0.072 R)
• M19: 22,352,615 km (0.083 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 335

Radius: 14.5

Gravity: 1.59 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 3.25 AU - 4.07 AU

Year: 4452 Days

Day: 7.7 Hours

Environment

Temp: -207 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 55,691,687 km

• M1: 183,257 km (0.047 R)
• M2: 664,813 km (0.061 R)
• M3: 2,157,052 km (0.114 R)
• M4: 3,009,610 km (0.107 R)
• M5: 5,905,077 km (0.074 R)
• M6: 8,365,363 km (0.072 R)
• M7: 8,922,466 km (0.113 R)
• M8: 10,947,423 km (0.11 R)
• M9: 11,872,237 km (0.115 R)
• M10: 14,216,585 km (0.074 R)
• M11: 15,472,010 km (0.115 R)
• M12: 16,854,893 km (0.044 R)
• M13: 17,352,306 km (0.115 R)
• M14: 18,376,752 km (0.102 R)
• M15: 21,241,701 km (0.078 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 732.6

Radius: 8.4

Gravity: 10.38 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 3.09 AU - 4.53 AU

Year: 4728 Days

Day: 8.8 Hours

Environment

Temp: -204 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 55,691,687 km

• M1: 107,411 km (0.116 R)
• M2: 1,332,468 km (0.096 R)
• M3: 2,348,387 km (0.112 R)
• M4: 2,770,104 km (0.097 R)
• M5: 3,047,009 km (0.111 R)
• M6: 3,678,462 km (0.049 R)
• M7: 4,037,198 km (0.085 R)
• M8: 4,877,339 km (0.108 R)
• M9: 5,423,222 km (0.105 R)
• M10: 6,009,496 km (0.109 R)
• M11: 6,444,377 km (0.084 R)
• M12: 7,552,897 km (0.093 R)
• M13: 8,550,565 km (0.092 R)
• M14: 10,537,076 km (0.087 R)
• M15: 11,355,526 km (0.089 R)
• M16: 11,732,662 km (0.05 R)
• M17: 15,000,777 km (0.095 R)
• M18: 19,225,870 km (0.053 R)
• M19: 21,861,485 km (0.095 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 806.3

Radius: 15

Gravity: 3.58 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 3.77 AU - 3.95 AU

Year: 4822 Days

Day: 10.4 Hours

Environment

Temp: -216 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 55,691,687 km

• M1: 186,848 km (0.096 R)
• M2: 755,768 km (0.118 R)
• M3: 1,318,556 km (0.101 R)
• M4: 2,093,024 km (0.056 R)
• M5: 2,821,565 km (0.096 R)
• M6: 3,628,945 km (0.063 R)
• M7: 4,123,366 km (0.048 R)
• M8: 5,389,562 km (0.05 R)
• M9: 6,098,058 km (0.063 R)
• M10: 7,070,743 km (0.089 R)
• M11: 9,657,889 km (0.12 R)
• M12: 10,216,637 km (0.093 R)
• M13: 10,706,121 km (0.112 R)
• M14: 11,446,331 km (0.074 R)
• M15: 12,170,984 km (0.102 R)
• M16: 12,772,517 km (0.029 R)
• M17: 14,419,140 km (0.091 R)
• M18: 16,024,625 km (0.081 R)
• M19: 16,932,385 km (0.08 R)
• M20: 18,850,528 km (0.086 R)
• M21: 19,862,259 km (0.045 R)
• M22: 21,123,668 km (0.091 R)
• M23: 21,847,273 km (0.094 R)
• M24: 24,353,037 km (0.089 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 736.3

Radius: 6.5

Gravity: 17.43 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 6.9 AU - 7.34 AU

Year: 12080 Days

Day: 16.1 Hours

Environment

Temp: -217 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 55,691,687 km

• M1: 80,932 km (0.025 R)
• M2: 292,015 km (0.083 R)
• M3: 546,032 km (0.065 R)
• M4: 888,611 km (0.077 R)
• M5: 1,092,513 km (0.071 R)
• M6: 1,423,125 km (0.103 R)
• M7: 2,115,912 km (0.097 R)
• M8: 2,424,533 km (0.108 R)
• M9: 3,613,237 km (0.112 R)
• M10: 3,998,302 km (0.105 R)
• M11: 4,380,076 km (0.111 R)
• M12: 5,928,564 km (0.05 R)
• M13: 6,784,862 km (0.096 R)
• M14: 8,174,028 km (0.087 R)
• M15: 10,653,014 km (0.035 R)
• M16: 12,641,469 km (0.111 R)
• M17: 17,799,155 km (0.103 R)
• M18: 20,407,992 km (0.106 R)
• M19: 24,782,832 km (0.033 R)
• M20: 25,370,303 km (0.036 R)
• M21: 28,553,596 km (0.052 R)
• M22: 30,407,562 km (0.069 R)
• M23: 33,514,710 km (0.109 R)
• M24: 33,872,548 km (0.058 R)
• M25: 34,961,172 km (0.096 R)
• M26: 35,699,737 km (0.115 R)
• M27: 37,978,112 km (0.09 R)
• M28: 38,758,564 km (0.078 R)
• M29: 40,756,444 km (0.087 R)
• M30: 41,711,925 km (0.102 R)
• M31: 42,962,115 km (0.101 R)
• M32: 51,783,004 km (0.081 R)
• M33: 52,581,707 km (0.051 R)
• M34: 53,550,951 km (0.1 R)
• M35: 54,367,606 km (0.092 R)
• M36: 54,861,728 km (0.106 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 232 - 17,446 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit