🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 178.6

Radius: 8

Gravity: 2.79 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 0.5 AU - 0.8 AU

Year: 355 Days

Day: 14 Hours

Environment

Temp: -157 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 33,572,447 km

• M1: 99,483 km (0.058 R)
• M2: 386,262 km (0.063 R)
• M3: 953,088 km (0.066 R)
• M4: 1,307,934 km (0.099 R)
• M5: 1,700,629 km (0.096 R)
• M6: 2,071,332 km (0.105 R)
• M7: 2,325,050 km (0.065 R)
• M8: 2,665,535 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 118.3

Radius: 10.4

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 0.85 AU - 1.01 AU

Year: 608 Days

Day: 5.7 Hours

Environment

Temp: -178 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 33,572,447 km

• M1: 130,749 km (0.119 R)
• M2: 465,399 km (0.051 R)
• M3: 858,393 km (0.09 R)
• M4: 1,397,992 km (0.111 R)
• M5: 1,809,835 km (0.093 R)
• M6: 2,424,383 km (0.061 R)
• M7: 3,253,754 km (0.089 R)
• M8: 3,612,639 km (0.051 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 262.4

Radius: 14.1

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 0.73 AU - 1.21 AU

Year: 648 Days

Day: 11.8 Hours

Environment

Temp: -182 °C

Axial Tilt: 107.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 33,572,447 km

• M1: 175,329 km (0.079 R)
• M2: 985,401 km (0.075 R)
• M3: 1,490,892 km (0.099 R)
• M4: 2,223,024 km (0.042 R)
• M5: 2,757,238 km (0.069 R)
• M6: 3,241,487 km (0.112 R)
• M7: 3,857,680 km (0.089 R)
• M8: 5,583,441 km (0.078 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 194.6

Radius: 9.9

Gravity: 1.99 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 1.07 AU - 1.25 AU

Year: 847 Days

Day: 13.2 Hours

Environment

Temp: -173 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 33,572,447 km

• M1: 123,119 km (0.048 R)
• M2: 487,390 km (0.115 R)
• M3: 989,889 km (0.104 R)
• M4: 1,321,697 km (0.113 R)
• M5: 1,850,974 km (0.116 R)
• M6: 2,635,765 km (0.079 R)
• M7: 3,729,475 km (0.095 R)
• M8: 4,181,859 km (0.04 R)
• M9: 4,523,092 km (0.041 R)
• M10: 4,883,024 km (0.079 R)
• M11: 5,902,234 km (0.094 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 741.2

Radius: 10.3

Gravity: 6.99 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 1.35 AU - 1.49 AU

Year: 1148 Days

Day: 13.9 Hours

Environment

Temp: -185 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 33,572,447 km

• M1: 128,205 km (0.073 R)
• M2: 511,774 km (0.099 R)
• M3: 841,787 km (0.1 R)
• M4: 1,196,484 km (0.094 R)
• M5: 1,753,437 km (0.088 R)
• M6: 2,179,192 km (0.12 R)
• M7: 2,724,028 km (0.076 R)
• M8: 3,387,494 km (0.108 R)
• M9: 3,887,450 km (0.111 R)
• M10: 4,489,881 km (0.118 R)
• M11: 5,293,820 km (0.076 R)
• M12: 6,101,499 km (0.106 R)
• M13: 6,442,133 km (0.066 R)
• M14: 7,261,481 km (0.089 R)
• M15: 7,618,571 km (0.098 R)
• M16: 7,987,330 km (0.081 R)
• M17: 9,224,654 km (0.108 R)
• M18: 9,643,976 km (0.057 R)
• M19: 10,138,696 km (0.091 R)
• M20: 10,553,083 km (0.064 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 223.1

Radius: 11.9

Gravity: 1.58 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 2.5 AU - 2.62 AU

Year: 2778 Days

Day: 8 Hours

Environment

Temp: -218 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 33,572,447 km

• M1: 148,102 km (0.116 R)
• M2: 590,612 km (0.112 R)
• M3: 1,843,345 km (0.053 R)
• M4: 3,163,995 km (0.073 R)
• M5: 5,247,594 km (0.115 R)
• M6: 6,565,103 km (0.041 R)
• M7: 7,395,520 km (0.104 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 161.6

Radius: 13.6

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 2.49 AU - 3.61 AU

Year: 3613 Days

Day: 5.5 Hours

Environment

Temp: -217 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 33,572,447 km

• M1: 169,195 km (0.118 R)
• M2: 698,173 km (0.078 R)
• M3: 1,261,858 km (0.057 R)
• M4: 1,691,802 km (0.106 R)
• M5: 2,418,399 km (0.092 R)
• M6: 2,876,917 km (0.082 R)
• M7: 3,409,934 km (0.057 R)
• M8: 4,008,625 km (0.115 R)
• M9: 5,264,199 km (0.097 R)
• M10: 6,212,949 km (0.11 R)
• M11: 6,690,017 km (0.056 R)
• M12: 7,918,215 km (0.099 R)
• M13: 9,099,889 km (0.104 R)
• M14: 9,816,612 km (0.074 R)
• M15: 11,849,797 km (0.034 R)
• M16: 12,705,048 km (0.069 R)
• M17: 13,435,086 km (0.093 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 889.6

Radius: 12.4

Gravity: 5.79 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 3.54 AU - 4.18 AU

Year: 5144 Days

Day: 13.5 Hours

Environment

Temp: -215 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 33,572,447 km

• M1: 158,424 km (0.097 R)
• M2: 695,331 km (0.083 R)
• M3: 1,333,515 km (0.12 R)
• M4: 2,017,028 km (0.086 R)
• M5: 2,474,349 km (0.118 R)
• M6: 3,302,074 km (0.106 R)
• M7: 3,966,737 km (0.107 R)
• M8: 7,481,390 km (0.06 R)
• M9: 9,374,102 km (0.11 R)
• M10: 12,064,470 km (0.102 R)
• M11: 17,392,996 km (0.092 R)
• M12: 20,245,678 km (0.107 R)
• M13: 21,335,948 km (0.108 R)
• M14: 23,554,634 km (0.09 R)
• M15: 25,006,630 km (0.04 R)
• M16: 27,910,924 km (0.091 R)
• M17: 28,625,553 km (0.093 R)
• M18: 29,444,152 km (0.089 R)
• M19: 30,843,191 km (0.113 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 235 - 18,561 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit