🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 664.5

Radius: 10.2

Gravity: 6.39 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 0.91 AU - 1.01 AU

Year: 627 Days

Day: 8.3 Hours

Environment

Temp: -171 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 64,233,629 km

• M1: 129,103 km (0.055 R)
• M2: 479,012 km (0.099 R)
• M3: 806,931 km (0.106 R)
• M4: 1,174,194 km (0.112 R)
• M5: 1,623,885 km (0.092 R)
• M6: 2,030,193 km (0.059 R)
• M7: 2,609,585 km (0.063 R)
• M8: 3,050,749 km (0.059 R)
• M9: 3,372,235 km (0.115 R)
• M10: 3,883,112 km (0.119 R)
• M11: 4,810,768 km (0.069 R)
• M12: 5,955,042 km (0.116 R)
• M13: 7,359,018 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 489.4

Radius: 14.8

Gravity: 2.23 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 1.95 AU - 2.07 AU

Year: 1900 Days

Day: 11 Hours

Environment

Temp: -200 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 64,233,629 km

• M1: 184,155 km (0.079 R)
• M2: 690,993 km (0.107 R)
• M3: 1,154,596 km (0.098 R)
• M4: 1,849,030 km (0.073 R)
• M5: 2,336,719 km (0.108 R)
• M6: 3,113,880 km (0.06 R)
• M7: 3,797,392 km (0.088 R)
• M8: 5,871,866 km (0.12 R)
• M9: 7,368,443 km (0.055 R)
• M10: 8,119,724 km (0.07 R)
• M11: 8,588,713 km (0.107 R)
• M12: 9,263,250 km (0.075 R)
• M13: 9,775,772 km (0.062 R)
• M14: 12,436,669 km (0.075 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 125.8

Radius: 8.5

Gravity: 1.74 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 1.68 AU - 2.68 AU

Year: 2146 Days

Day: 10.9 Hours

Environment

Temp: -197 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 64,233,629 km

• M1: 106,065 km (0.108 R)
• M2: 652,845 km (0.099 R)
• M3: 1,021,753 km (0.076 R)
• M4: 1,379,741 km (0.108 R)
• M5: 1,669,662 km (0.082 R)
• M6: 2,213,600 km (0.03 R)
• M7: 3,711,822 km (0.094 R)
• M8: 4,516,509 km (0.119 R)
• M9: 5,570,426 km (0.113 R)
• M10: 6,060,060 km (0.105 R)
• M11: 7,078,822 km (0.095 R)
• M12: 7,362,459 km (0.082 R)
• M13: 8,079,332 km (0.108 R)
• M14: 8,573,753 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 986

Radius: 13.9

Gravity: 5.1 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 2.2 AU - 2.44 AU

Year: 2356 Days

Day: 10.1 Hours

Environment

Temp: -203 °C

Axial Tilt: 43.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 64,233,629 km

• M1: 172,935 km (0.108 R)
• M2: 888,761 km (0.069 R)
• M3: 1,387,371 km (0.062 R)
• M4: 2,063,553 km (0.119 R)
• M5: 3,450,924 km (0.085 R)
• M6: 4,085,667 km (0.115 R)
• M7: 5,873,960 km (0.118 R)
• M8: 7,783,278 km (0.117 R)
• M9: 8,638,978 km (0.071 R)
• M10: 9,339,395 km (0.117 R)
• M11: 10,813,981 km (0.118 R)
• M12: 12,880,526 km (0.091 R)
• M13: 13,378,538 km (0.102 R)
• M14: 13,842,441 km (0.046 R)
• M15: 14,364,986 km (0.055 R)
• M16: 15,551,297 km (0.065 R)
• M17: 20,160,108 km (0.084 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 844.6

Radius: 12.3

Gravity: 5.58 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 3.89 AU - 5.45 AU

Year: 6730 Days

Day: 6.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 64,233,629 km

• M1: 156,031 km (0.088 R)
• M2: 543,788 km (0.087 R)
• M3: 1,142,030 km (0.117 R)
• M4: 1,565,991 km (0.07 R)
• M5: 3,107,896 km (0.09 R)
• M6: 3,594,538 km (0.091 R)
• M7: 4,131,893 km (0.058 R)
• M8: 4,950,792 km (0.094 R)
• M9: 6,378,704 km (0.035 R)
• M10: 7,984,487 km (0.073 R)
• M11: 9,254,423 km (0.098 R)
• M12: 10,173,104 km (0.025 R)
• M13: 11,560,175 km (0.046 R)
• M14: 13,524,096 km (0.114 R)
• M15: 14,404,929 km (0.049 R)
• M16: 14,828,739 km (0.073 R)
• M17: 16,476,709 km (0.092 R)
• M18: 24,901,314 km (0.104 R)
• M19: 27,039,366 km (0.111 R)
• M20: 28,816,589 km (0.037 R)
• M21: 32,395,718 km (0.119 R)
• M22: 33,229,427 km (0.096 R)
• M23: 36,708,475 km (0.051 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 207.5

Radius: 9.6

Gravity: 2.25 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 4.56 AU - 5.02 AU

Year: 6991 Days

Day: 7.4 Hours

Environment

Temp: -222 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 64,233,629 km

• M1: 121,174 km (0.098 R)
• M2: 486,043 km (0.04 R)
• M3: 1,137,841 km (0.116 R)
• M4: 1,808,339 km (0.112 R)
• M5: 2,624,246 km (0.116 R)
• M6: 3,274,099 km (0.05 R)
• M7: 3,667,990 km (0.091 R)
• M8: 4,071,306 km (0.102 R)
• M9: 4,599,237 km (0.09 R)
• M10: 5,435,489 km (0.096 R)
• M11: 5,876,055 km (0.088 R)
• M12: 6,251,396 km (0.079 R)
• M13: 6,923,090 km (0.055 R)
• M14: 8,019,942 km (0.118 R)
• M15: 10,894,764 km (0.112 R)
• M16: 12,515,358 km (0.059 R)
• M17: 12,848,213 km (0.064 R)
• M18: 14,497,829 km (0.104 R)
• M19: 17,026,631 km (0.117 R)
• M20: 17,791,376 km (0.064 R)
• M21: 20,223,687 km (0.089 R)
• M22: 22,448,058 km (0.115 R)
• M23: 23,081,904 km (0.116 R)
• M24: 23,872,828 km (0.098 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 949

Radius: 4.5

Gravity: 46.86 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 5.49 AU - 9.13 AU

Year: 13180 Days

Day: 21.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 64,233,629 km

• M1: 56,398 km (0.054 R)
• M2: 539,151 km (0.051 R)
• M3: 888,911 km (0.085 R)
• M4: 1,223,411 km (0.116 R)
• M5: 1,390,662 km (0.068 R)
• M6: 1,841,251 km (0.099 R)
• M7: 2,556,179 km (0.1 R)
• M8: 3,333,190 km (0.115 R)
• M9: 3,549,808 km (0.038 R)
• M10: 4,479,110 km (0.071 R)
• M11: 5,375,201 km (0.118 R)
• M12: 6,761,674 km (0.078 R)
• M13: 7,332,390 km (0.089 R)
• M14: 8,174,776 km (0.069 R)
• M15: 8,619,381 km (0.049 R)
• M16: 8,771,073 km (0.068 R)
• M17: 9,773,678 km (0.092 R)
• M18: 10,559,814 km (0.076 R)
• M19: 13,918,287 km (0.114 R)
• M20: 14,338,358 km (0.116 R)
• M21: 15,951,023 km (0.117 R)
• M22: 18,008,143 km (0.082 R)
• M23: 20,057,933 km (0.119 R)
• M24: 21,507,686 km (0.084 R)
• M25: 22,543,950 km (0.107 R)
• M26: 24,715,663 km (0.089 R)
• M27: 25,852,008 km (0.114 R)
• M28: 28,675,518 km (0.12 R)
• M29: 29,469,434 km (0.111 R)
• M30: 31,697,994 km (0.07 R)
• M31: 34,415,888 km (0.077 R)
• M32: 34,926,166 km (0.112 R)
• M33: 35,831,233 km (0.03 R)
• M34: 44,540,971 km (0.069 R)
• M35: 44,843,308 km (0.033 R)
• M36: 51,179,825 km (0.059 R)
• M37: 54,560,587 km (0.062 R)
• M38: 55,254,273 km (0.083 R)
• M39: 58,267,623 km (0.119 R)
• M40: 60,459,531 km (0.102 R)
• M41: 62,327,559 km (0.057 R)
• M42: 63,466,597 km (0.12 R)
• M43: 64,233,586 km (0.058 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: 427 - 11,943 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit