🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.53 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 64.8

Radius: 11.4

Gravity: 0.5 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 0.91 AU - 1.19 AU

Year: 717 Days

Day: 5.4 Hours

Environment

Temp: -180 °C

Axial Tilt: 124.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 43,279,133 km

• M1: 146,456 km (0.065 R)
• M2: 566,078 km (0.11 R)
• M3: 1,019,360 km (0.118 R)
• M4: 1,904,082 km (0.111 R)
• M5: 2,354,970 km (0.117 R)
• M6: 3,004,972 km (0.106 R)
• M7: 3,568,208 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 756

Radius: 10.1

Gravity: 7.41 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 1.56 AU - 1.88 AU

Year: 1504 Days

Day: 7.9 Hours

Environment

Temp: -206 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 43,279,133 km

• M1: 125,662 km (0.036 R)
• M2: 453,880 km (0.094 R)
• M3: 863,629 km (0.09 R)
• M4: 1,374,056 km (0.113 R)
• M5: 1,935,198 km (0.094 R)
• M6: 2,275,832 km (0.1 R)
• M7: 2,779,080 km (0.114 R)
• M8: 3,094,881 km (0.064 R)
• M9: 3,564,618 km (0.102 R)
• M10: 4,245,887 km (0.071 R)
• M11: 5,843,891 km (0.094 R)
• M12: 7,181,595 km (0.093 R)
• M13: 8,036,248 km (0.103 R)
• M14: 8,414,282 km (0.102 R)
• M15: 9,174,688 km (0.096 R)
• M16: 9,620,190 km (0.116 R)
• M17: 12,105,609 km (0.075 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 833

Radius: 10.7

Gravity: 7.28 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 1.62 AU - 1.88 AU

Year: 1544 Days

Day: 6.5 Hours

Environment

Temp: -197 °C

Axial Tilt: 45.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 43,279,133 km

• M1: 133,142 km (0.101 R)
• M2: 633,996 km (0.084 R)
• M3: 1,080,994 km (0.102 R)
• M4: 1,418,786 km (0.116 R)
• M5: 1,881,343 km (0.12 R)
• M6: 2,806,755 km (0.054 R)
• M7: 3,284,571 km (0.029 R)
• M8: 3,764,032 km (0.038 R)
• M9: 4,214,322 km (0.095 R)
• M10: 5,137,640 km (0.088 R)
• M11: 5,693,097 km (0.092 R)
• M12: 6,069,485 km (0.101 R)
• M13: 6,950,915 km (0.078 R)
• M14: 7,381,458 km (0.054 R)
• M15: 7,772,657 km (0.113 R)
• M16: 8,207,238 km (0.119 R)
• M17: 9,188,600 km (0.052 R)
• M18: 9,874,058 km (0.118 R)
• M19: 11,906,794 km (0.111 R)
• M20: 13,573,314 km (0.06 R)
• M21: 14,119,197 km (0.051 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 609.4

Radius: 13.9

Gravity: 3.15 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 1.74 AU - 1.84 AU

Year: 1597 Days

Day: 11.5 Hours

Environment

Temp: -206 °C

Axial Tilt: 44.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 43,279,133 km

• M1: 172,935 km (0.049 R)
• M2: 641,326 km (0.041 R)
• M3: 1,208,601 km (0.04 R)
• M4: 1,827,488 km (0.051 R)
• M5: 2,450,712 km (0.117 R)
• M6: 2,952,464 km (0.115 R)
• M7: 3,396,769 km (0.033 R)
• M8: 4,077,290 km (0.118 R)
• M9: 4,967,846 km (0.047 R)
• M10: 5,757,124 km (0.115 R)
• M11: 6,778,130 km (0.118 R)
• M12: 7,559,629 km (0.116 R)
• M13: 9,025,240 km (0.056 R)
• M14: 11,123,649 km (0.09 R)
• M15: 12,174,424 km (0.102 R)
• M16: 12,705,048 km (0.07 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 738.9

Radius: 8

Gravity: 11.55 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 2.09 AU - 2.49 AU

Year: 2311 Days

Day: 7 Hours

Environment

Temp: -205 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 43,279,133 km

• M1: 99,483 km (0.113 R)
• M2: 434,432 km (0.111 R)
• M3: 743,352 km (0.083 R)
• M4: 1,101,938 km (0.082 R)
• M5: 1,503,010 km (0.12 R)
• M6: 1,811,181 km (0.065 R)
• M7: 2,265,660 km (0.049 R)
• M8: 2,556,328 km (0.086 R)
• M9: 3,047,458 km (0.101 R)
• M10: 3,581,672 km (0.102 R)
• M11: 3,881,018 km (0.063 R)
• M12: 4,258,303 km (0.117 R)
• M13: 4,594,749 km (0.088 R)
• M14: 4,881,079 km (0.11 R)
• M15: 5,249,988 km (0.118 R)
• M16: 6,523,814 km (0.084 R)
• M17: 8,870,855 km (0.096 R)
• M18: 9,776,370 km (0.104 R)
• M19: 10,363,392 km (0.117 R)
• M20: 10,742,174 km (0.07 R)
• M21: 17,857,049 km (0.118 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 763.1

Radius: 13.2

Gravity: 4.38 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 3.5 AU - 4.14 AU

Year: 4979 Days

Day: 9.4 Hours

Environment

Temp: -217 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 43,279,133 km

• M1: 164,258 km (0.088 R)
• M2: 691,142 km (0.099 R)
• M3: 1,143,975 km (0.095 R)
• M4: 1,565,093 km (0.063 R)
• M5: 2,242,173 km (0.117 R)
• M6: 2,684,833 km (0.103 R)
• M7: 3,147,090 km (0.079 R)
• M8: 3,817,139 km (0.088 R)
• M9: 4,972,334 km (0.11 R)
• M10: 6,066,942 km (0.088 R)
• M11: 6,837,371 km (0.047 R)
• M12: 8,152,037 km (0.079 R)
• M13: 8,612,649 km (0.11 R)
• M14: 9,336,553 km (0.067 R)
• M15: 9,927,165 km (0.106 R)
• M16: 12,193,423 km (0.102 R)
• M17: 13,794,270 km (0.053 R)
• M18: 15,706,580 km (0.106 R)
• M19: 19,844,606 km (0.113 R)
• M20: 24,658,965 km (0.078 R)
• M21: 26,701,425 km (0.072 R)
• M22: 29,209,283 km (0.061 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 224.9

Radius: 5

Gravity: 9 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 7.37 AU - 7.91 AU

Year: 14082 Days

Day: 21.4 Hours

Environment

Temp: -234 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 43,279,133 km

• M1: 65,225 km (0.057 R)
• M2: 320,588 km (0.079 R)
• M3: 547,379 km (0.11 R)
• M4: 1,447,060 km (0.114 R)
• M5: 1,780,514 km (0.106 R)
• M6: 2,129,526 km (0.062 R)
• M7: 4,794,612 km (0.037 R)
• M8: 6,557,922 km (0.082 R)
• M9: 7,948,284 km (0.103 R)
• M10: 9,853,264 km (0.104 R)
• M11: 11,826,310 km (0.113 R)
• M12: 13,395,442 km (0.117 R)
• M13: 13,927,861 km (0.031 R)
• M14: 15,935,614 km (0.073 R)
• M15: 16,133,233 km (0.047 R)
• M16: 18,057,061 km (0.037 R)
• M17: 21,221,505 km (0.063 R)
• M18: 24,913,281 km (0.107 R)
• M19: 30,504,801 km (0.119 R)
• M20: 39,826,394 km (0.078 R)
• M21: 41,544,376 km (0.118 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 160.3

Radius: 6.2

Gravity: 4.17 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 6.86 AU - 10.96 AU

Year: 17736 Days

Day: 22.7 Hours

Environment

Temp: -240 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 43,279,133 km

• M1: 77,940 km (0.104 R)
• M2: 304,731 km (0.112 R)
• M3: 524,640 km (0.105 R)
• M4: 793,467 km (0.084 R)
• M5: 1,327,083 km (0.117 R)
• M6: 1,945,371 km (0.107 R)
• M7: 2,265,361 km (0.042 R)
• M8: 2,581,162 km (0.103 R)
• M9: 5,067,029 km (0.104 R)
• M10: 9,040,499 km (0.105 R)
• M11: 14,580,108 km (0.064 R)
• M12: 15,086,796 km (0.112 R)
• M13: 15,934,866 km (0.113 R)
• M14: 18,157,591 km (0.097 R)
• M15: 18,449,157 km (0.085 R)
• M16: 19,800,325 km (0.11 R)
• M17: 21,458,319 km (0.066 R)
• M18: 30,842,144 km (0.1 R)
• M19: 31,781,768 km (0.111 R)
• M20: 36,420,050 km (0.098 R)
• M21: 37,705,395 km (0.055 R)
• M22: 39,750,847 km (0.096 R)
• M23: 41,364,110 km (0.096 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 258 - 11,048 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit