🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 533

Radius: 9.6

Gravity: 5.78 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 0.71 AU - 1.03 AU

Year: 560 Days

Day: 13.3 Hours

Environment

Temp: -175 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 47,180,527 km

• M1: 119,379 km (0.105 R)
• M2: 422,464 km (0.069 R)
• M3: 897,138 km (0.049 R)
• M4: 1,219,971 km (0.101 R)
• M5: 1,536,221 km (0.104 R)
• M6: 1,973,944 km (0.066 R)
• M7: 2,543,463 km (0.036 R)
• M8: 2,977,746 km (0.1 R)
• M9: 4,078,786 km (0.092 R)
• M10: 5,133,002 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 429.3

Radius: 10.9

Gravity: 3.61 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 0.77 AU - 1.03 AU

Year: 589 Days

Day: 9.9 Hours

Environment

Temp: -180 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 47,180,527 km

• M1: 135,536 km (0.073 R)
• M2: 476,918 km (0.107 R)
• M3: 816,056 km (0.115 R)
• M4: 1,260,960 km (0.097 R)
• M5: 1,691,503 km (0.081 R)
• M6: 2,441,587 km (0.077 R)
• M7: 2,975,053 km (0.103 R)
• M8: 3,437,161 km (0.107 R)
• M9: 4,535,957 km (0.101 R)
• M10: 5,039,055 km (0.085 R)
• M11: 5,819,806 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 473.8

Radius: 13.7

Gravity: 2.52 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 1.34 AU - 1.52 AU

Year: 1180 Days

Day: 8.2 Hours

Environment

Temp: -182 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 47,180,527 km

• M1: 170,691 km (0.109 R)
• M2: 646,113 km (0.12 R)
• M3: 1,245,253 km (0.115 R)
• M4: 1,723,517 km (0.075 R)
• M5: 2,391,472 km (0.049 R)
• M6: 3,992,618 km (0.052 R)
• M7: 5,096,799 km (0.116 R)
• M8: 6,009,646 km (0.068 R)
• M9: 7,265,071 km (0.081 R)
• M10: 8,082,923 km (0.117 R)
• M11: 8,878,783 km (0.067 R)
• M12: 9,324,435 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 768.4

Radius: 10.2

Gravity: 7.39 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 1.8 AU - 1.98 AU

Year: 1794 Days

Day: 5.4 Hours

Environment

Temp: -202 °C

Axial Tilt: 54.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 47,180,527 km

• M1: 127,757 km (0.1 R)
• M2: 475,422 km (0.076 R)
• M3: 859,889 km (0.112 R)
• M4: 1,201,869 km (0.045 R)
• M5: 1,964,070 km (0.064 R)
• M6: 2,452,807 km (0.085 R)
• M7: 2,827,549 km (0.098 R)
• M8: 3,272,453 km (0.053 R)
• M9: 3,623,560 km (0.116 R)
• M10: 4,207,291 km (0.064 R)
• M11: 5,493,084 km (0.097 R)
• M12: 6,468,163 km (0.05 R)
• M13: 8,726,941 km (0.095 R)
• M14: 9,810,329 km (0.069 R)
• M15: 10,225,762 km (0.085 R)
• M16: 10,653,014 km (0.111 R)
• M17: 12,847,016 km (0.095 R)
• M18: 13,984,858 km (0.088 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 490.1

Radius: 10.5

Gravity: 4.45 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 1.91 AU - 2.17 AU

Year: 2011 Days

Day: 5.2 Hours

Environment

Temp: -207 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 47,180,527 km

• M1: 130,599 km (0.09 R)
• M2: 508,782 km (0.084 R)
• M3: 887,564 km (0.045 R)
• M4: 1,306,588 km (0.115 R)
• M5: 2,042,759 km (0.118 R)
• M6: 2,389,228 km (0.065 R)
• M7: 2,747,365 km (0.112 R)
• M8: 3,777,795 km (0.099 R)
• M9: 4,439,317 km (0.111 R)
• M10: 4,943,013 km (0.113 R)
• M11: 6,284,008 km (0.11 R)
• M12: 7,159,305 km (0.044 R)
• M13: 7,853,439 km (0.094 R)
• M14: 8,744,893 km (0.067 R)
• M15: 9,768,591 km (0.091 R)
• M16: 10,906,134 km (0.118 R)
• M17: 12,874,542 km (0.108 R)
• M18: 13,525,143 km (0.11 R)
• M19: 13,858,597 km (0.062 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 773.3

Radius: 12.6

Gravity: 4.87 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 2.3 AU - 3.52 AU

Year: 3426 Days

Day: 7.1 Hours

Environment

Temp: -203 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 47,180,527 km

• M1: 156,629 km (0.106 R)
• M2: 645,365 km (0.083 R)
• M3: 1,061,397 km (0.072 R)
• M4: 2,253,542 km (0.029 R)
• M5: 3,191,970 km (0.08 R)
• M6: 4,240,950 km (0.117 R)
• M7: 4,701,113 km (0.098 R)
• M8: 5,804,996 km (0.107 R)
• M9: 7,106,198 km (0.082 R)
• M10: 7,927,341 km (0.112 R)
• M11: 8,343,672 km (0.112 R)
• M12: 8,847,667 km (0.071 R)
• M13: 9,448,602 km (0.107 R)
• M14: 11,027,906 km (0.112 R)
• M15: 12,083,469 km (0.091 R)
• M16: 14,192,200 km (0.048 R)
• M17: 16,312,750 km (0.118 R)
• M18: 17,332,858 km (0.034 R)
• M19: 18,697,639 km (0.065 R)
• M20: 21,506,339 km (0.095 R)
• M21: 22,318,656 km (0.102 R)
• M22: 23,504,369 km (0.12 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 33

Radius: 4.8

Gravity: 1.43 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 5.5 AU - 5.66 AU

Year: 9098 Days

Day: 20.2 Hours

Environment

Temp: -221 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 47,180,527 km

• M1: 61,485 km (0.094 R)
• M2: 235,766 km (0.07 R)
• M3: 541,095 km (0.035 R)
• M4: 1,088,325 km (0.115 R)
• M5: 1,627,326 km (0.108 R)
• M6: 3,049,702 km (0.075 R)
• M7: 3,531,557 km (0.051 R)
• M8: 4,923,266 km (0.084 R)
• M9: 6,200,682 km (0.074 R)
• M10: 8,860,083 km (0.112 R)
• M11: 15,182,837 km (0.105 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 197.8

Radius: 7.6

Gravity: 3.42 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 7.18 AU - 10.52 AU

Year: 18173 Days

Day: 19 Hours

Environment

Temp: -231 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 47,180,527 km

• M1: 94,845 km (0.037 R)
• M2: 589,116 km (0.106 R)
• M3: 1,802,056 km (0.072 R)
• M4: 2,479,585 km (0.046 R)
• M5: 2,760,679 km (0.101 R)
• M6: 4,160,466 km (0.105 R)
• M7: 9,186,805 km (0.101 R)
• M8: 10,677,398 km (0.118 R)
• M9: 16,947,045 km (0.104 R)
• M10: 18,037,913 km (0.081 R)
• M11: 18,336,660 km (0.099 R)
• M12: 18,867,134 km (0.103 R)
• M13: 28,202,340 km (0.08 R)
• M14: 33,288,668 km (0.084 R)
• M15: 35,227,456 km (0.055 R)
• M16: 36,402,248 km (0.03 R)
• M17: 41,623,214 km (0.109 R)
• M18: 46,198,665 km (0.099 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 368 - 14,204 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit