🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 782.3

Radius: 8.4

Gravity: 11.09 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.48 AU - 0.74 AU

Year: 323 Days

Day: 9 Hours

Environment

Temp: -156 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 59,899,373 km

• M1: 104,868 km (0.041 R)
• M2: 375,491 km (0.112 R)
• M3: 723,007 km (0.112 R)
• M4: 1,012,030 km (0.082 R)
• M5: 1,296,714 km (0.107 R)
• M6: 1,783,057 km (0.118 R)
• M7: 2,315,925 km (0.118 R)
• M8: 2,643,843 km (0.032 R)
• M9: 3,065,859 km (0.106 R)
• M10: 3,474,111 km (0.084 R)
• M11: 4,006,530 km (0.082 R)
• M12: 4,372,895 km (0.051 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 443.5

Radius: 9.9

Gravity: 4.53 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 0.84 AU - 0.9 AU

Year: 550 Days

Day: 12.5 Hours

Environment

Temp: -178 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 59,899,373 km

• M1: 123,269 km (0.085 R)
• M2: 458,517 km (0.109 R)
• M3: 773,122 km (0.118 R)
• M4: 1,133,204 km (0.119 R)
• M5: 1,714,840 km (0.084 R)
• M6: 2,028,697 km (0.067 R)
• M7: 2,418,698 km (0.086 R)
• M8: 2,869,287 km (0.09 R)
• M9: 3,618,772 km (0.114 R)
• M10: 4,060,086 km (0.076 R)
• M11: 4,699,318 km (0.086 R)
• M12: 5,842,694 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 925.1

Radius: 10.3

Gravity: 8.72 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.93 AU - 1.53 AU

Year: 925 Days

Day: 12.6 Hours

Environment

Temp: -181 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 59,899,373 km

• M1: 128,355 km (0.075 R)
• M2: 495,767 km (0.1 R)
• M3: 860,936 km (0.119 R)
• M4: 1,225,955 km (0.113 R)
• M5: 1,599,500 km (0.045 R)
• M6: 2,153,611 km (0.084 R)
• M7: 2,595,224 km (0.047 R)
• M8: 3,801,731 km (0.09 R)
• M9: 4,192,630 km (0.074 R)
• M10: 5,249,838 km (0.068 R)
• M11: 5,632,360 km (0.112 R)
• M12: 6,054,974 km (0.044 R)
• M13: 6,752,100 km (0.084 R)
• M14: 7,303,218 km (0.071 R)
• M15: 7,858,077 km (0.094 R)
• M16: 8,770,774 km (0.091 R)
• M17: 9,310,822 km (0.06 R)
• M18: 10,085,589 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 869.8

Radius: 14.7

Gravity: 4.03 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 3.24 AU - 5.16 AU

Year: 5838 Days

Day: 8.1 Hours

Environment

Temp: -211 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 59,899,373 km

• M1: 182,809 km (0.109 R)
• M2: 869,463 km (0.079 R)
• M3: 1,409,810 km (0.108 R)
• M4: 2,474,199 km (0.043 R)
• M5: 4,584,726 km (0.09 R)
• M6: 5,081,540 km (0.047 R)
• M7: 6,934,011 km (0.109 R)
• M8: 9,202,962 km (0.054 R)
• M9: 11,032,394 km (0.084 R)
• M10: 11,879,417 km (0.105 R)
• M11: 12,397,774 km (0.057 R)
• M12: 16,396,375 km (0.11 R)
• M13: 17,039,646 km (0.094 R)
• M14: 18,931,012 km (0.101 R)
• M15: 20,884,012 km (0.099 R)
• M16: 21,716,973 km (0.111 R)
• M17: 23,937,454 km (0.081 R)
• M18: 25,785,437 km (0.029 R)
• M19: 28,090,142 km (0.07 R)
• M20: 28,548,659 km (0.094 R)
• M21: 29,386,557 km (0.098 R)
• M22: 31,998,985 km (0.118 R)
• M23: 34,762,506 km (0.077 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 266.3

Radius: 4.6

Gravity: 12.59 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 4.65 AU - 7.21 AU

Year: 9794 Days

Day: 24.5 Hours

Environment

Temp: -230 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 59,899,373 km

• M1: 171,140 km (0.029 R)
• M2: 349,610 km (0.075 R)
• M3: 492,925 km (0.082 R)
• M4: 1,144,125 km (0.119 R)
• M5: 1,816,118 km (0.049 R)
• M6: 1,962,275 km (0.118 R)
• M7: 2,163,933 km (0.082 R)
• M8: 2,554,832 km (0.098 R)
• M9: 2,951,566 km (0.114 R)
• M10: 3,914,378 km (0.05 R)
• M11: 4,653,242 km (0.114 R)
• M12: 6,369,279 km (0.05 R)
• M13: 7,609,445 km (0.11 R)
• M14: 12,594,794 km (0.096 R)
• M15: 13,456,777 km (0.065 R)
• M16: 19,398,356 km (0.062 R)
• M17: 20,182,398 km (0.119 R)
• M18: 21,510,528 km (0.03 R)
• M19: 23,211,606 km (0.103 R)
• M20: 25,842,883 km (0.119 R)
• M21: 30,722,466 km (0.071 R)
• M22: 34,090,213 km (0.079 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 780.1

Radius: 6

Gravity: 21.67 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 7.55 AU - 10.97 AU

Year: 19112 Days

Day: 24 Hours

Environment

Temp: -236 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 59,899,373 km

• M1: 74,949 km (0.119 R)
• M2: 339,737 km (0.097 R)
• M3: 663,467 km (0.112 R)
• M4: 1,524,103 km (0.118 R)
• M5: 1,747,154 km (0.071 R)
• M6: 2,346,891 km (0.111 R)
• M7: 2,742,877 km (0.103 R)
• M8: 3,074,984 km (0.064 R)
• M9: 3,578,680 km (0.059 R)
• M10: 5,945,019 km (0.081 R)
• M11: 6,545,954 km (0.05 R)
• M12: 7,186,532 km (0.026 R)
• M13: 7,968,779 km (0.116 R)
• M14: 10,472,001 km (0.107 R)
• M15: 10,778,975 km (0.032 R)
• M16: 11,475,503 km (0.098 R)
• M17: 12,679,317 km (0.06 R)
• M18: 12,887,857 km (0.114 R)
• M19: 14,639,498 km (0.047 R)
• M20: 15,257,038 km (0.115 R)
• M21: 16,543,879 km (0.115 R)
• M22: 20,074,837 km (0.09 R)
• M23: 21,224,647 km (0.118 R)
• M24: 22,015,271 km (0.101 R)
• M25: 22,620,993 km (0.101 R)
• M26: 27,989,762 km (0.088 R)
• M27: 31,663,736 km (0.026 R)
• M28: 35,508,850 km (0.092 R)
• M29: 35,785,007 km (0.108 R)
• M30: 38,190,092 km (0.098 R)
• M31: 45,072,342 km (0.111 R)
• M32: 45,721,298 km (0.093 R)
• M33: 52,379,002 km (0.097 R)
• M34: 56,031,134 km (0.078 R)
• M35: 57,728,472 km (0.09 R)
• M36: 63,633,997 km (0.107 R)
• M37: 63,837,451 km (0.095 R)
• M38: 65,481,232 km (0.118 R)
• M39: 67,363,772 km (0.09 R)
• M40: 71,236,561 km (0.101 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 352.1

Radius: 4.5

Gravity: 17.39 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 8.23 AU - 10.53 AU

Year: 19485 Days

Day: 22.4 Hours

Environment

Temp: -229 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 59,899,373 km

• M1: 59,241 km (0.105 R)
• M2: 292,015 km (0.047 R)
• M3: 737,667 km (0.119 R)
• M4: 1,737,280 km (0.112 R)
• M5: 2,513,394 km (0.088 R)
• M6: 5,365,028 km (0.069 R)
• M7: 10,735,293 km (0.079 R)
• M8: 11,551,948 km (0.105 R)
• M9: 12,598,235 km (0.07 R)
• M10: 13,046,879 km (0.041 R)
• M11: 13,840,645 km (0.109 R)
• M12: 14,387,426 km (0.072 R)
• M13: 15,234,449 km (0.072 R)
• M14: 21,114,543 km (0.095 R)
• M15: 23,050,190 km (0.06 R)
• M16: 27,270,196 km (0.025 R)
• M17: 32,571,196 km (0.09 R)
• M18: 37,854,844 km (0.088 R)
• M19: 44,119,554 km (0.079 R)
• M20: 54,336,340 km (0.099 R)
• M21: 58,651,491 km (0.113 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 292 - 12,349 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit