🌌 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: 332.2

Radius: 8.3

Gravity: 4.82 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 0.52 AU - 0.6 AU

Year: 295 Days

Day: 8.9 Hours

Environment

Temp: -139 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 19,428,912 km

• M1: 103,223 km (0.116 R)
• M2: 447,298 km (0.046 R)
• M3: 725,849 km (0.053 R)
• M4: 1,171,351 km (0.106 R)
• M5: 1,557,463 km (0.088 R)
• M6: 1,923,081 km (0.034 R)
• M7: 2,238,134 km (0.116 R)
• M8: 2,663,440 km (0.095 R)
• M9: 3,019,483 km (0.083 R)
• M10: 3,386,746 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 752

Radius: 8.3

Gravity: 10.92 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 0.94 AU - 1.3 AU

Year: 833 Days

Day: 11.2 Hours

Environment

Temp: -187 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 19,428,912 km

• M1: 103,223 km (0.085 R)
• M2: 432,487 km (0.111 R)
• M3: 709,244 km (0.115 R)
• M4: 1,115,701 km (0.099 R)
• M5: 1,523,804 km (0.102 R)
• M6: 2,028,996 km (0.066 R)
• M7: 2,413,911 km (0.072 R)
• M8: 3,372,235 km (0.115 R)
• M9: 3,643,755 km (0.109 R)
• M10: 4,247,233 km (0.03 R)
• M11: 5,418,435 km (0.119 R)
• M12: 5,954,893 km (0.119 R)
• M13: 8,178,067 km (0.106 R)
• M14: 9,376,795 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 477.4

Radius: 11.5

Gravity: 3.61 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 1.99 AU - 3.25 AU

Year: 2981 Days

Day: 12.4 Hours

Environment

Temp: -217 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 19,428,912 km

• M1: 143,016 km (0.112 R)
• M2: 606,769 km (0.105 R)
• M3: 985,102 km (0.118 R)
• M4: 1,497,923 km (0.1 R)
• M5: 2,439,642 km (0.08 R)
• M6: 3,172,971 km (0.1 R)
• M7: 5,030,827 km (0.091 R)
• M8: 6,034,928 km (0.117 R)
• M9: 6,598,762 km (0.108 R)
• M10: 8,769,128 km (0.059 R)
• M11: 10,444,774 km (0.056 R)
• M12: 11,539,232 km (0.115 R)
• M13: 13,909,610 km (0.091 R)
• M14: 14,561,258 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 819

Radius: 14

Gravity: 4.18 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 2.33 AU - 3.39 AU

Year: 3400 Days

Day: 12.4 Hours

Environment

Temp: -202 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 19,428,912 km

• M1: 174,282 km (0.099 R)
• M2: 637,287 km (0.106 R)
• M3: 1,141,282 km (0.069 R)
• M4: 1,622,688 km (0.065 R)
• M5: 2,158,099 km (0.094 R)
• M6: 3,496,252 km (0.113 R)
• M7: 3,942,353 km (0.054 R)
• M8: 4,403,713 km (0.113 R)
• M9: 6,594,723 km (0.061 R)
• M10: 8,796,804 km (0.045 R)
• M11: 9,551,674 km (0.106 R)
• M12: 10,025,002 km (0.093 R)
• M13: 13,446,455 km (0.099 R)
• M14: 13,991,889 km (0.068 R)
• M15: 14,707,266 km (0.111 R)
• M16: 16,266,973 km (0.115 R)
• M17: 18,595,913 km (0.11 R)
• M18: 19,087,192 km (0.11 R)
• M19: 20,809,363 km (0.082 R)
• M20: 22,633,111 km (0.068 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 421

Radius: 13.2

Gravity: 2.42 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 2.82 AU - 4.32 AU

Year: 4741 Days

Day: 6.8 Hours

Environment

Temp: -221 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 19,428,912 km

• M1: 164,558 km (0.076 R)
• M2: 728,093 km (0.073 R)
• M3: 1,246,898 km (0.094 R)
• M4: 2,001,021 km (0.093 R)
• M5: 2,607,341 km (0.095 R)
• M6: 3,149,783 km (0.073 R)
• M7: 3,726,184 km (0.072 R)
• M8: 4,868,364 km (0.078 R)
• M9: 5,946,067 km (0.108 R)
• M10: 6,378,105 km (0.062 R)
• M11: 7,145,094 km (0.061 R)
• M12: 8,110,897 km (0.098 R)
• M13: 8,535,307 km (0.096 R)
• M14: 9,275,666 km (0.087 R)
• M15: 9,819,155 km (0.081 R)
• M16: 10,884,891 km (0.102 R)
• M17: 12,300,835 km (0.102 R)
• M18: 14,598,359 km (0.117 R)
• M19: 15,068,994 km (0.076 R)
• M20: 15,658,110 km (0.042 R)
• M21: 16,825,123 km (0.102 R)
• M22: 17,930,352 km (0.108 R)
• M23: 21,469,838 km (0.106 R)
• M24: 23,120,501 km (0.099 R)
• M25: 24,049,054 km (0.07 R)
• M26: 24,632,785 km (0.079 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 553.9

Radius: 12.4

Gravity: 3.6 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 4.61 AU - 4.95 AU

Year: 7346 Days

Day: 6.2 Hours

Environment

Temp: -216 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 19,428,912 km

• M1: 154,235 km (0.066 R)
• M2: 642,224 km (0.072 R)
• M3: 1,212,042 km (0.075 R)
• M4: 1,787,545 km (0.069 R)
• M5: 2,268,801 km (0.116 R)
• M6: 2,798,228 km (0.047 R)
• M7: 3,217,102 km (0.117 R)
• M8: 4,034,056 km (0.095 R)
• M9: 5,854,812 km (0.106 R)
• M10: 6,477,887 km (0.07 R)
• M11: 7,072,539 km (0.105 R)
• M12: 7,627,247 km (0.118 R)
• M13: 8,250,771 km (0.08 R)
• M14: 9,206,403 km (0.085 R)
• M15: 9,733,585 km (0.104 R)
• M16: 11,739,394 km (0.107 R)
• M17: 13,950,001 km (0.036 R)
• M18: 16,810,762 km (0.086 R)
• M19: 23,666,084 km (0.101 R)
• M20: 24,158,261 km (0.094 R)
• M21: 27,525,111 km (0.117 R)
• M22: 32,787,814 km (0.083 R)
• M23: 35,494,488 km (0.055 R)
• M24: 36,356,322 km (0.119 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 18.1

Radius: 7.5

Gravity: 0.32 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 6.93 AU - 9.05 AU

Year: 15876 Days

Day: 24.2 Hours

Environment

Temp: -242 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 19,428,912 km

• M1: 93,648 km (0.055 R)
• M2: 417,677 km (0.119 R)
• M3: 813,663 km (0.095 R)
• M4: 1,275,920 km (0.112 R)
• M5: 1,567,187 km (0.056 R)
• M6: 2,326,546 km (0.052 R)
• M7: 2,891,128 km (0.113 R)
• M8: 10,483,669 km (0.092 R)
• M9: 13,632,555 km (0.068 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 212 - 15,269 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit