🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.01 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 172.9

Radius: 9.6

Gravity: 1.88 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 1.53 AU - 2.49 AU

Year: 1812 Days

Day: 5.6 Hours

Environment

Temp: -191 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 65,970,416 km

• M1: 119,379 km (0.041 R)
• M2: 505,940 km (0.12 R)
• M3: 975,079 km (0.078 R)
• M4: 1,367,923 km (0.115 R)
• M5: 1,687,314 km (0.031 R)
• M6: 2,107,086 km (0.071 R)
• M7: 2,666,283 km (0.1 R)
• M8: 3,225,629 km (0.106 R)
• M9: 3,548,312 km (0.095 R)
• M10: 4,648,155 km (0.075 R)
• M11: 5,420,978 km (0.118 R)
• M12: 7,628,145 km (0.091 R)
• M13: 8,127,503 km (0.032 R)
• M14: 8,755,215 km (0.07 R)
• M15: 9,302,893 km (0.071 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 998.4

Radius: 10.8

Gravity: 8.56 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 2.01 AU - 2.73 AU

Year: 2320 Days

Day: 11.3 Hours

Environment

Temp: -185 °C

Axial Tilt: 72.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 65,970,416 km

• M1: 134,339 km (0.079 R)
• M2: 601,234 km (0.071 R)
• M3: 978,669 km (0.114 R)
• M4: 1,528,890 km (0.071 R)
• M5: 2,105,440 km (0.111 R)
• M6: 2,562,013 km (0.046 R)
• M7: 3,050,301 km (0.055 R)
• M8: 3,581,523 km (0.102 R)
• M9: 4,320,686 km (0.055 R)
• M10: 5,758,172 km (0.11 R)
• M11: 6,347,737 km (0.114 R)
• M12: 7,585,210 km (0.055 R)
• M13: 14,699,038 km (0.098 R)
• M14: 15,596,625 km (0.083 R)
• M15: 16,583,223 km (0.111 R)
• M16: 17,227,541 km (0.097 R)
• M17: 18,338,455 km (0.093 R)
• M18: 19,852,984 km (0.065 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 452

Radius: 12.1

Gravity: 3.09 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 2.42 AU - 2.94 AU

Year: 2790 Days

Day: 7.1 Hours

Environment

Temp: -197 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 65,970,416 km

• M1: 150,495 km (0.079 R)
• M2: 546,631 km (0.085 R)
• M3: 1,023,698 km (0.119 R)
• M4: 1,686,267 km (0.055 R)
• M5: 3,041,774 km (0.072 R)
• M6: 3,422,051 km (0.056 R)
• M7: 3,834,193 km (0.038 R)
• M8: 4,463,252 km (0.103 R)
• M9: 6,854,574 km (0.04 R)
• M10: 7,905,200 km (0.071 R)
• M11: 8,341,577 km (0.092 R)
• M12: 8,761,349 km (0.08 R)
• M13: 9,400,132 km (0.114 R)
• M14: 12,985,694 km (0.034 R)
• M15: 13,683,268 km (0.079 R)
• M16: 14,177,241 km (0.118 R)
• M17: 14,776,230 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 968.6

Radius: 13.4

Gravity: 5.39 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 4.56 AU - 5.94 AU

Year: 7648 Days

Day: 8 Hours

Environment

Temp: -223 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 65,970,416 km

• M1: 166,652 km (0.077 R)
• M2: 606,021 km (0.099 R)
• M3: 1,215,333 km (0.085 R)
• M4: 2,275,683 km (0.107 R)
• M5: 2,744,822 km (0.092 R)
• M6: 4,278,948 km (0.073 R)
• M7: 5,001,356 km (0.085 R)
• M8: 6,727,865 km (0.102 R)
• M9: 7,913,428 km (0.071 R)
• M10: 10,291,885 km (0.092 R)
• M11: 10,747,560 km (0.025 R)
• M12: 12,591,653 km (0.047 R)
• M13: 13,172,242 km (0.088 R)
• M14: 14,014,927 km (0.077 R)
• M15: 15,021,721 km (0.045 R)
• M16: 18,258,719 km (0.111 R)
• M17: 28,284,170 km (0.073 R)
• M18: 32,955,663 km (0.105 R)
• M19: 38,480,312 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 149.7

Radius: 10.8

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 4.56 AU - 6.9 AU

Year: 8721 Days

Day: 13.8 Hours

Environment

Temp: -218 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 65,970,416 km

• M1: 284,685 km (0.103 R)
• M2: 644,617 km (0.065 R)
• M3: 1,174,044 km (0.105 R)
• M4: 3,736,656 km (0.099 R)
• M5: 5,356,801 km (0.107 R)
• M6: 6,085,791 km (0.069 R)
• M7: 7,007,763 km (0.082 R)
• M8: 8,091,150 km (0.113 R)
• M9: 8,822,983 km (0.093 R)
• M10: 10,889,079 km (0.09 R)
• M11: 12,058,037 km (0.05 R)
• M12: 16,522,636 km (0.082 R)
• M13: 16,986,988 km (0.04 R)
• M14: 18,995,040 km (0.069 R)
• M15: 19,763,076 km (0.071 R)
• M16: 23,769,905 km (0.112 R)
• M17: 26,197,430 km (0.111 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 949

Radius: 8

Gravity: 14.83 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 6.36 AU - 9.14 AU

Year: 13718 Days

Day: 24.1 Hours

Environment

Temp: -224 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 65,970,416 km

• M1: 99,931 km (0.12 R)
• M2: 523,293 km (0.111 R)
• M3: 859,889 km (0.118 R)
• M4: 1,807,741 km (0.062 R)
• M5: 2,923,741 km (0.117 R)
• M6: 3,713,917 km (0.088 R)
• M7: 4,378,730 km (0.088 R)
• M8: 6,304,353 km (0.111 R)
• M9: 6,808,349 km (0.036 R)
• M10: 8,684,007 km (0.05 R)
• M11: 9,202,064 km (0.052 R)
• M12: 11,482,534 km (0.069 R)
• M13: 13,018,306 km (0.099 R)
• M14: 13,286,984 km (0.08 R)
• M15: 14,398,795 km (0.097 R)
• M16: 17,367,116 km (0.107 R)
• M17: 20,357,877 km (0.113 R)
• M18: 22,403,927 km (0.063 R)
• M19: 22,887,427 km (0.106 R)
• M20: 27,777,781 km (0.06 R)
• M21: 29,705,500 km (0.084 R)
• M22: 30,524,548 km (0.075 R)
• M23: 36,418,554 km (0.094 R)
• M24: 45,449,329 km (0.068 R)
• M25: 52,572,133 km (0.047 R)
• M26: 56,219,628 km (0.109 R)
• M27: 61,340,662 km (0.111 R)
• M28: 63,242,350 km (0.101 R)
• M29: 64,013,976 km (0.04 R)
• M30: 65,183,083 km (0.078 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: 279 - 10,347 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit