🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 395.1

Radius: 8.8

Gravity: 5.1 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 0.47 AU - 0.59 AU

Year: 262 Days

Day: 12 Hours

Environment

Temp: -137 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 38,268,026 km

• M1: 109,506 km (0.109 R)
• M2: 401,670 km (0.104 R)
• M3: 682,615 km (0.081 R)
• M4: 994,377 km (0.102 R)
• M5: 1,313,619 km (0.026 R)
• M6: 1,653,056 km (0.05 R)
• M7: 2,057,868 km (0.088 R)
• M8: 2,576,973 km (0.104 R)
• M9: 2,868,090 km (0.119 R)
• M10: 3,496,551 km (0.095 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 584.7

Radius: 12.5

Gravity: 3.74 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 0.6 AU - 0.66 AU

Year: 339 Days

Day: 10.8 Hours

Environment

Temp: -159 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 38,268,026 km

• M1: 155,731 km (0.11 R)
• M2: 592,408 km (0.104 R)
• M3: 1,804,898 km (0.072 R)
• M4: 2,497,387 km (0.046 R)
• M5: 3,371,637 km (0.075 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 483.7

Radius: 11

Gravity: 4 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 0.63 AU - 0.83 AU

Year: 423 Days

Day: 5.7 Hours

Environment

Temp: -152 °C

Axial Tilt: 144.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 38,268,026 km

• M1: 136,732 km (0.119 R)
• M2: 560,693 km (0.087 R)
• M3: 905,067 km (0.111 R)
• M4: 1,453,194 km (0.079 R)
• M5: 1,882,240 km (0.114 R)
• M6: 2,395,660 km (0.072 R)
• M7: 2,749,160 km (0.113 R)
• M8: 3,180,900 km (0.1 R)
• M9: 3,669,636 km (0.071 R)
• M10: 4,155,978 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 820.6

Radius: 8.8

Gravity: 10.6 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 1.14 AU - 1.5 AU

Year: 1029 Days

Day: 8.7 Hours

Environment

Temp: -184 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 38,268,026 km

• M1: 109,506 km (0.119 R)
• M2: 475,422 km (0.096 R)
• M3: 877,691 km (0.102 R)
• M4: 1,243,757 km (0.092 R)
• M5: 1,804,001 km (0.079 R)
• M6: 2,257,432 km (0.116 R)
• M7: 2,876,617 km (0.107 R)
• M8: 3,856,633 km (0.071 R)
• M9: 4,740,906 km (0.09 R)
• M10: 5,122,381 km (0.056 R)
• M11: 6,881,652 km (0.084 R)
• M12: 8,123,164 km (0.069 R)
• M13: 8,642,718 km (0.049 R)
• M14: 10,303,553 km (0.117 R)
• M15: 10,879,804 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 382.2

Radius: 12.2

Gravity: 2.57 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 1.22 AU - 1.52 AU

Year: 1088 Days

Day: 8.5 Hours

Environment

Temp: -194 °C

Axial Tilt: 48.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 38,268,026 km

• M1: 151,842 km (0.092 R)
• M2: 769,831 km (0.117 R)
• M3: 1,679,236 km (0.096 R)
• M4: 2,727,768 km (0.115 R)
• M5: 3,222,787 km (0.105 R)
• M6: 3,955,966 km (0.075 R)
• M7: 5,657,193 km (0.094 R)
• M8: 6,467,565 km (0.088 R)
• M9: 7,012,400 km (0.056 R)
• M10: 7,446,832 km (0.098 R)
• M11: 8,676,677 km (0.083 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 647

Radius: 10.2

Gravity: 6.22 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 1.74 AU - 2.24 AU

Year: 1904 Days

Day: 10.9 Hours

Environment

Temp: -191 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 38,268,026 km

• M1: 127,009 km (0.103 R)
• M2: 632,799 km (0.073 R)
• M3: 1,659,190 km (0.067 R)
• M4: 2,348,088 km (0.095 R)
• M5: 4,154,931 km (0.052 R)
• M6: 4,626,015 km (0.103 R)
• M7: 5,675,743 km (0.084 R)
• M8: 6,281,914 km (0.089 R)
• M9: 6,718,291 km (0.045 R)
• M10: 7,065,657 km (0.098 R)
• M11: 7,481,390 km (0.079 R)
• M12: 8,301,036 km (0.056 R)
• M13: 9,674,943 km (0.069 R)
• M14: 10,433,853 km (0.12 R)
• M15: 12,305,921 km (0.103 R)
• M16: 12,625,013 km (0.103 R)
• M17: 13,573,314 km (0.109 R)
• M18: 14,746,311 km (0.091 R)
• M19: 15,106,543 km (0.095 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 562.9

Radius: 11

Gravity: 4.65 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 1.66 AU - 2.46 AU

Year: 2005 Days

Day: 12.2 Hours

Environment

Temp: -212 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 38,268,026 km

• M1: 136,882 km (0.112 R)
• M2: 497,263 km (0.107 R)
• M3: 872,006 km (0.116 R)
• M4: 1,572,872 km (0.099 R)
• M5: 2,158,996 km (0.064 R)
• M6: 2,871,830 km (0.112 R)
• M7: 4,189,638 km (0.12 R)
• M8: 4,846,223 km (0.08 R)
• M9: 5,321,196 km (0.102 R)
• M10: 6,339,509 km (0.074 R)
• M11: 7,233,057 km (0.061 R)
• M12: 8,059,884 km (0.109 R)
• M13: 8,542,487 km (0.108 R)
• M14: 9,665,369 km (0.037 R)
• M15: 10,072,275 km (0.058 R)
• M16: 10,704,027 km (0.111 R)
• M17: 11,139,656 km (0.061 R)
• M18: 11,853,836 km (0.086 R)
• M19: 13,709,149 km (0.084 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 494.7

Radius: 8.4

Gravity: 7.01 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 2.88 AU - 4.08 AU

Year: 4403 Days

Day: 13.8 Hours

Environment

Temp: -223 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 38,268,026 km

• M1: 104,419 km (0.089 R)
• M2: 501,153 km (0.107 R)
• M3: 842,834 km (0.111 R)
• M4: 1,390,662 km (0.097 R)
• M5: 1,714,691 km (0.038 R)
• M6: 2,158,697 km (0.082 R)
• M7: 2,501,276 km (0.094 R)
• M8: 2,777,584 km (0.06 R)
• M9: 3,184,041 km (0.107 R)
• M10: 3,899,867 km (0.033 R)
• M11: 4,183,355 km (0.074 R)
• M12: 5,272,876 km (0.118 R)
• M13: 5,983,017 km (0.105 R)
• M14: 6,510,948 km (0.092 R)
• M15: 7,262,677 km (0.075 R)
• M16: 8,389,149 km (0.071 R)
• M17: 10,148,121 km (0.092 R)
• M18: 10,729,010 km (0.047 R)
• M19: 13,034,014 km (0.116 R)
• M20: 13,920,979 km (0.103 R)
• M21: 15,218,591 km (0.09 R)
• M22: 15,759,687 km (0.103 R)
• M23: 18,720,528 km (0.096 R)
• M24: 21,422,116 km (0.077 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 535.8

Radius: 11.1

Gravity: 4.35 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 5.06 AU - 5.36 AU

Year: 8066 Days

Day: 8.4 Hours

Environment

Temp: -229 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 38,268,026 km

• M1: 138,079 km (0.041 R)
• M2: 566,527 km (0.099 R)
• M3: 966,103 km (0.086 R)
• M4: 2,523,866 km (0.044 R)
• M5: 3,589,451 km (0.09 R)
• M6: 3,947,140 km (0.079 R)
• M7: 4,734,773 km (0.117 R)
• M8: 5,376,697 km (0.089 R)
• M9: 6,906,335 km (0.102 R)
• M10: 9,007,437 km (0.06 R)
• M11: 9,717,878 km (0.045 R)
• M12: 11,916,966 km (0.05 R)
• M13: 16,417,918 km (0.099 R)
• M14: 18,653,508 km (0.077 R)
• M15: 19,224,673 km (0.108 R)
• M16: 20,028,911 km (0.113 R)
• M17: 22,177,585 km (0.087 R)
• M18: 24,902,062 km (0.099 R)
• M19: 30,023,395 km (0.078 R)
• M20: 33,662,662 km (0.047 R)
• M21: 36,577,727 km (0.112 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 263 - 15,655 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit