🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 722.8

Radius: 8.8

Gravity: 9.33 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 0.78 AU - 1.08 AU

Year: 579 Days

Day: 14.3 Hours

Environment

Temp: -148 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 81,676,507 km

• M1: 109,506 km (0.069 R)
• M2: 399,726 km (0.117 R)
• M3: 743,501 km (0.116 R)
• M4: 1,346,082 km (0.116 R)
• M5: 1,640,341 km (0.048 R)
• M6: 2,514,291 km (0.112 R)
• M7: 3,589,751 km (0.091 R)
• M8: 4,929,399 km (0.053 R)
• M9: 5,389,413 km (0.063 R)
• M10: 6,595,022 km (0.032 R)
• M11: 7,154,069 km (0.057 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 937.8

Radius: 10.5

Gravity: 8.51 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 2.81 AU - 3.41 AU

Year: 3541 Days

Day: 6.7 Hours

Environment

Temp: -194 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 81,676,507 km

• M1: 130,599 km (0.048 R)
• M2: 501,602 km (0.117 R)
• M3: 1,100,741 km (0.063 R)
• M4: 2,052,932 km (0.086 R)
• M5: 3,025,916 km (0.053 R)
• M6: 3,709,578 km (0.039 R)
• M7: 4,912,046 km (0.049 R)
• M8: 6,059,462 km (0.067 R)
• M9: 6,387,679 km (0.076 R)
• M10: 9,262,502 km (0.11 R)
• M11: 9,618,844 km (0.096 R)
• M12: 11,004,270 km (0.115 R)
• M13: 11,359,266 km (0.117 R)
• M14: 11,999,096 km (0.06 R)
• M15: 12,470,628 km (0.084 R)
• M16: 13,300,597 km (0.104 R)
• M17: 13,856,952 km (0.1 R)
• M18: 18,506,154 km (0.117 R)
• M19: 21,316,799 km (0.092 R)
• M20: 22,859,602 km (0.119 R)
• M21: 25,542,640 km (0.117 R)
• M22: 26,402,678 km (0.083 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 987.9

Radius: 14

Gravity: 5.04 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 3.52 AU - 3.92 AU

Year: 4633 Days

Day: 5.4 Hours

Environment

Temp: -216 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 81,676,507 km

• M1: 174,880 km (0.09 R)
• M2: 1,134,849 km (0.061 R)
• M3: 1,834,219 km (0.074 R)
• M4: 3,152,177 km (0.089 R)
• M5: 3,922,007 km (0.054 R)
• M6: 5,002,553 km (0.098 R)
• M7: 5,929,162 km (0.079 R)
• M8: 7,530,158 km (0.112 R)
• M9: 8,009,769 km (0.111 R)
• M10: 13,616,697 km (0.117 R)
• M11: 20,686,543 km (0.039 R)
• M12: 22,527,943 km (0.084 R)
• M13: 30,341,590 km (0.075 R)
• M14: 32,134,221 km (0.082 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 36.5

Radius: 8.5

Gravity: 0.51 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 3.36 AU - 4.82 AU

Year: 5341 Days

Day: 7.2 Hours

Environment

Temp: -206 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 81,676,507 km

• M1: 105,766 km (0.037 R)
• M2: 1,948,363 km (0.114 R)
• M3: 2,597,019 km (0.081 R)
• M4: 2,923,890 km (0.102 R)
• M5: 5,583,292 km (0.104 R)
• M6: 6,359,405 km (0.083 R)
• M7: 7,616,626 km (0.06 R)
• M8: 10,845,546 km (0.108 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 157.4

Radius: 3.4

Gravity: 13.62 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 8.62 AU - 9.1 AU

Year: 17028 Days

Day: 24.7 Hours

Environment

Temp: -218 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 81,676,507 km

• M1: 42,635 km (0.104 R)
• M2: 175,179 km (0.106 R)
• M3: 752,178 km (0.086 R)
• M4: 1,031,029 km (0.082 R)
• M5: 3,653,629 km (0.116 R)
• M6: 4,034,056 km (0.118 R)
• M7: 5,207,651 km (0.101 R)
• M8: 6,025,204 km (0.081 R)
• M9: 6,163,582 km (0.082 R)
• M10: 13,134,693 km (0.09 R)
• M11: 14,264,755 km (0.082 R)
• M12: 20,428,337 km (0.064 R)
• M13: 28,446,035 km (0.118 R)
• M14: 38,805,837 km (0.097 R)
• M15: 40,377,213 km (0.099 R)

Planet 6 - Ice Giant

Semi-Major Axis: 11.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 574

Radius: 6.7

Gravity: 12.79 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 8.68 AU - 13.78 AU

Year: 24299 Days

Day: 22.1 Hours

Environment

Temp: -227 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 81,676,507 km

• M1: 83,326 km (0.1 R)
• M2: 293,062 km (0.12 R)
• M3: 894,296 km (0.114 R)
• M4: 1,155,793 km (0.072 R)
• M5: 1,420,432 km (0.104 R)
• M6: 1,636,451 km (0.069 R)
• M7: 2,308,445 km (0.079 R)
• M8: 3,858,428 km (0.073 R)
• M9: 5,423,671 km (0.096 R)
• M10: 6,892,572 km (0.1 R)
• M11: 8,663,213 km (0.066 R)
• M12: 10,716,892 km (0.085 R)
• M13: 13,218,917 km (0.072 R)
• M14: 15,757,443 km (0.073 R)
• M15: 17,184,008 km (0.095 R)
• M16: 22,907,024 km (0.072 R)
• M17: 23,222,676 km (0.095 R)
• M18: 25,177,022 km (0.104 R)
• M19: 27,121,196 km (0.111 R)
• M20: 39,102,191 km (0.094 R)
• M21: 39,402,284 km (0.04 R)
• M22: 46,568,770 km (0.104 R)
• M23: 60,963,526 km (0.076 R)
• M24: 61,975,855 km (0.045 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 412 - 19,409 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit