🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 245

Radius: 12.6

Gravity: 1.54 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 0.58 AU - 0.82 AU

Year: 412 Days

Day: 8.2 Hours

Environment

Temp: -167 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 55,680,369 km

• M1: 156,629 km (0.042 R)
• M2: 548,875 km (0.11 R)
• M3: 1,203,216 km (0.12 R)
• M4: 1,606,232 km (0.088 R)
• M5: 2,000,273 km (0.083 R)
• M6: 2,493,049 km (0.106 R)
• M7: 3,018,735 km (0.041 R)
• M8: 3,553,398 km (0.073 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 945

Radius: 10.3

Gravity: 8.91 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 1.35 AU - 1.45 AU

Year: 1164 Days

Day: 11.9 Hours

Environment

Temp: -198 °C

Axial Tilt: 76.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 55,680,369 km

• M1: 128,056 km (0.083 R)
• M2: 631,901 km (0.103 R)
• M3: 971,040 km (0.115 R)
• M4: 1,460,973 km (0.112 R)
• M5: 1,950,756 km (0.026 R)
• M6: 2,794,638 km (0.119 R)
• M7: 3,159,058 km (0.118 R)
• M8: 3,651,385 km (0.036 R)
• M9: 5,878,448 km (0.1 R)
• M10: 6,896,611 km (0.117 R)
• M11: 7,408,535 km (0.077 R)
• M12: 7,781,782 km (0.09 R)
• M13: 9,433,343 km (0.081 R)
• M14: 9,808,833 km (0.095 R)
• M15: 10,423,830 km (0.113 R)
• M16: 11,202,337 km (0.116 R)
• M17: 11,910,534 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 874.3

Radius: 13

Gravity: 5.17 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 2.02 AU - 2.28 AU

Year: 2216 Days

Day: 13.2 Hours

Environment

Temp: -210 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 55,680,369 km

• M1: 161,715 km (0.119 R)
• M2: 740,509 km (0.064 R)
• M3: 1,272,928 km (0.089 R)
• M4: 2,940,496 km (0.092 R)
• M5: 3,406,493 km (0.053 R)
• M6: 4,792,817 km (0.046 R)
• M7: 6,336,517 km (0.081 R)
• M8: 7,149,432 km (0.114 R)
• M9: 8,746,688 km (0.077 R)
• M10: 9,293,768 km (0.038 R)
• M11: 11,551,948 km (0.108 R)
• M12: 13,923,971 km (0.118 R)
• M13: 15,543,368 km (0.068 R)
• M14: 18,313,323 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 959

Radius: 9.6

Gravity: 10.41 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 2.32 AU - 2.5 AU

Year: 2630 Days

Day: 5.4 Hours

Environment

Temp: -202 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 55,680,369 km

• M1: 120,725 km (0.119 R)
• M2: 490,980 km (0.12 R)
• M3: 964,757 km (0.098 R)
• M4: 1,661,584 km (0.099 R)
• M5: 1,984,117 km (0.084 R)
• M6: 2,510,252 km (0.105 R)
• M7: 3,566,413 km (0.09 R)
• M8: 4,173,481 km (0.11 R)
• M9: 4,501,998 km (0.107 R)
• M10: 6,299,267 km (0.094 R)
• M11: 7,248,466 km (0.106 R)
• M12: 7,595,981 km (0.094 R)
• M13: 9,317,853 km (0.072 R)
• M14: 11,926,541 km (0.113 R)
• M15: 12,411,687 km (0.094 R)
• M16: 13,374,498 km (0.114 R)
• M17: 13,754,028 km (0.109 R)
• M18: 15,708,674 km (0.088 R)
• M19: 18,359,997 km (0.078 R)
• M20: 19,791,499 km (0.073 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 628.9

Radius: 13.7

Gravity: 3.35 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 3.05 AU - 3.67 AU

Year: 4329 Days

Day: 14.8 Hours

Environment

Temp: -208 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 55,680,369 km

• M1: 170,392 km (0.055 R)
• M2: 1,267,692 km (0.087 R)
• M3: 1,693,897 km (0.049 R)
• M4: 2,552,289 km (0.049 R)
• M5: 3,063,615 km (0.056 R)
• M6: 5,419,632 km (0.096 R)
• M7: 7,445,336 km (0.076 R)
• M8: 8,834,951 km (0.077 R)
• M9: 9,571,721 km (0.027 R)
• M10: 10,265,406 km (0.054 R)
• M11: 13,632,106 km (0.039 R)
• M12: 14,092,718 km (0.088 R)
• M13: 15,153,666 km (0.082 R)
• M14: 15,871,436 km (0.098 R)
• M15: 17,078,691 km (0.075 R)
• M16: 21,272,668 km (0.042 R)
• M17: 24,422,451 km (0.058 R)
• M18: 25,718,716 km (0.085 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 741.5

Radius: 14.5

Gravity: 3.53 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 4.48 AU - 5.06 AU

Year: 7323 Days

Day: 12.8 Hours

Environment

Temp: -216 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 55,680,369 km

• M1: 245,789 km (0.073 R)
• M2: 832,662 km (0.091 R)
• M3: 1,534,126 km (0.114 R)
• M4: 2,984,328 km (0.047 R)
• M5: 3,979,453 km (0.074 R)
• M6: 6,039,565 km (0.114 R)
• M7: 11,676,114 km (0.105 R)
• M8: 13,370,609 km (0.103 R)
• M9: 13,950,749 km (0.112 R)
• M10: 14,791,041 km (0.067 R)
• M11: 16,050,056 km (0.067 R)
• M12: 16,838,886 km (0.031 R)
• M13: 17,653,596 km (0.063 R)
• M14: 21,649,056 km (0.091 R)
• M15: 22,369,070 km (0.08 R)
• M16: 24,367,548 km (0.03 R)
• M17: 26,846,385 km (0.11 R)
• M18: 29,004,933 km (0.096 R)
• M19: 38,104,822 km (0.062 R)
• M20: 38,919,980 km (0.09 R)
• M21: 39,627,878 km (0.078 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 98.1

Radius: 5.2

Gravity: 3.63 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 5.06 AU - 6.66 AU

Year: 9971 Days

Day: 20.5 Hours

Environment

Temp: -229 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 55,680,369 km

• M1: 64,626 km (0.044 R)
• M2: 493,374 km (0.063 R)
• M3: 937,530 km (0.105 R)
• M4: 1,288,636 km (0.049 R)
• M5: 2,264,613 km (0.096 R)
• M6: 2,510,551 km (0.109 R)
• M7: 3,147,988 km (0.069 R)
• M8: 3,435,216 km (0.095 R)
• M9: 4,106,013 km (0.072 R)
• M10: 5,985,860 km (0.099 R)
• M11: 6,487,312 km (0.081 R)
• M12: 8,812,661 km (0.104 R)
• M13: 9,113,801 km (0.034 R)
• M14: 20,081,121 km (0.08 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 952.7

Radius: 7

Gravity: 19.44 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 5.24 AU - 6.98 AU

Year: 10616 Days

Day: 15.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 45.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 55,680,369 km

• M1: 87,066 km (0.037 R)
• M2: 456,423 km (0.084 R)
• M3: 1,230,592 km (0.106 R)
• M4: 1,471,145 km (0.096 R)
• M5: 1,695,542 km (0.056 R)
• M6: 2,103,196 km (0.119 R)
• M7: 2,659,252 km (0.067 R)
• M8: 2,995,398 km (0.1 R)
• M9: 4,031,812 km (0.093 R)
• M10: 4,887,512 km (0.093 R)
• M11: 5,153,048 km (0.09 R)
• M12: 5,640,737 km (0.051 R)
• M13: 5,932,902 km (0.116 R)
• M14: 6,158,645 km (0.063 R)
• M15: 6,748,360 km (0.062 R)
• M16: 7,332,240 km (0.074 R)
• M17: 7,680,654 km (0.029 R)
• M18: 8,889,704 km (0.108 R)
• M19: 9,850,122 km (0.106 R)
• M20: 10,711,058 km (0.055 R)
• M21: 11,389,035 km (0.039 R)
• M22: 12,705,646 km (0.083 R)
• M23: 13,529,781 km (0.089 R)
• M24: 14,388,922 km (0.097 R)
• M25: 15,852,886 km (0.081 R)
• M26: 17,033,064 km (0.032 R)
• M27: 17,413,641 km (0.073 R)
• M28: 18,589,181 km (0.047 R)
• M29: 18,992,646 km (0.119 R)
• M30: 19,484,375 km (0.12 R)
• M31: 19,816,781 km (0.092 R)
• M32: 28,764,828 km (0.118 R)
• M33: 29,961,162 km (0.049 R)
• M34: 32,452,565 km (0.1 R)
• M35: 34,469,893 km (0.114 R)
• M36: 41,293,799 km (0.119 R)
• M37: 46,557,401 km (0.039 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 397 - 11,307 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit