🌌 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: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 950.9

Radius: 11.7

Gravity: 6.95 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 0.81 AU - 0.95 AU

Year: 560 Days

Day: 12 Hours

Environment

Temp: -166 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 45,485,130 km

• M1: 145,559 km (0.111 R)
• M2: 553,811 km (0.078 R)
• M3: 1,158,336 km (0.12 R)
• M4: 1,538,165 km (0.099 R)
• M5: 2,093,473 km (0.077 R)
• M6: 2,518,031 km (0.092 R)
• M7: 3,308,507 km (0.086 R)
• M8: 4,649,053 km (0.097 R)
• M9: 5,220,367 km (0.091 R)
• M10: 5,725,709 km (0.05 R)
• M11: 6,983,079 km (0.078 R)
• M12: 7,530,009 km (0.082 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 867.3

Radius: 14.2

Gravity: 4.3 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 1.76 AU - 2.93 AU

Year: 2428 Days

Day: 6.1 Hours

Environment

Temp: -208 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 45,485,130 km

• M1: 176,675 km (0.07 R)
• M2: 969,843 km (0.077 R)
• M3: 2,677,054 km (0.099 R)
• M4: 3,291,602 km (0.116 R)
• M5: 3,842,421 km (0.06 R)
• M6: 4,606,418 km (0.113 R)
• M7: 5,060,447 km (0.036 R)
• M8: 5,544,396 km (0.069 R)
• M9: 6,328,738 km (0.1 R)
• M10: 7,799,734 km (0.052 R)
• M11: 8,923,363 km (0.117 R)
• M12: 9,416,288 km (0.108 R)
• M13: 10,729,010 km (0.12 R)
• M14: 11,491,061 km (0.081 R)
• M15: 12,289,016 km (0.119 R)
• M16: 13,078,743 km (0.118 R)
• M17: 13,762,406 km (0.097 R)
• M18: 14,326,390 km (0.077 R)
• M19: 15,004,068 km (0.037 R)
• M20: 15,906,442 km (0.028 R)
• M21: 18,946,720 km (0.062 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 182.8

Radius: 13.5

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 2.13 AU - 2.91 AU

Year: 2713 Days

Day: 12 Hours

Environment

Temp: -207 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 45,485,130 km

• M1: 176,226 km (0.05 R)
• M2: 678,576 km (0.114 R)
• M3: 1,211,444 km (0.087 R)
• M4: 1,706,912 km (0.093 R)
• M5: 2,291,839 km (0.064 R)
• M6: 2,994,800 km (0.082 R)
• M7: 3,722,444 km (0.07 R)
• M8: 4,546,578 km (0.081 R)
• M9: 5,404,073 km (0.099 R)
• M10: 5,995,883 km (0.104 R)
• M11: 6,630,776 km (0.059 R)
• M12: 7,924,947 km (0.086 R)
• M13: 10,636,259 km (0.092 R)
• M14: 11,711,120 km (0.045 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 90.9

Radius: 8.3

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 2.28 AU - 2.8 AU

Year: 2746 Days

Day: 14.9 Hours

Environment

Temp: -199 °C

Axial Tilt: 154 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 45,485,130 km

• M1: 103,821 km (0.117 R)
• M2: 396,135 km (0.064 R)
• M3: 747,840 km (0.083 R)
• M4: 1,151,305 km (0.112 R)
• M5: 1,740,272 km (0.098 R)
• M6: 2,470,010 km (0.103 R)
• M7: 2,808,850 km (0.062 R)
• M8: 3,304,019 km (0.054 R)
• M9: 4,031,962 km (0.101 R)
• M10: 4,753,024 km (0.116 R)
• M11: 5,638,344 km (0.108 R)
• M12: 7,732,415 km (0.055 R)
• M13: 8,091,150 km (0.063 R)
• M14: 10,024,404 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 721.2

Radius: 9.7

Gravity: 7.67 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 3.98 AU - 4.36 AU

Year: 5776 Days

Day: 6 Hours

Environment

Temp: -222 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 45,485,130 km

• M1: 178,919 km (0.116 R)
• M2: 653,443 km (0.114 R)
• M3: 1,153,998 km (0.111 R)
• M4: 1,553,125 km (0.094 R)
• M5: 2,392,519 km (0.096 R)
• M6: 2,991,209 km (0.109 R)
• M7: 4,486,291 km (0.098 R)
• M8: 6,526,806 km (0.062 R)
• M9: 10,716,294 km (0.104 R)
• M10: 12,181,455 km (0.094 R)
• M11: 13,391,852 km (0.088 R)
• M12: 16,988,484 km (0.044 R)
• M13: 20,236,403 km (0.104 R)
• M14: 21,035,106 km (0.069 R)
• M15: 22,695,493 km (0.061 R)
• M16: 25,180,912 km (0.106 R)
• M17: 25,514,216 km (0.081 R)
• M18: 29,195,072 km (0.076 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 632.3

Radius: 5.3

Gravity: 22.51 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 4.64 AU - 7.08 AU

Year: 9621 Days

Day: 19.5 Hours

Environment

Temp: -237 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 45,485,130 km

• M1: 94,845 km (0.119 R)
• M2: 317,746 km (0.087 R)
• M3: 604,226 km (0.098 R)
• M4: 1,914,853 km (0.072 R)
• M5: 3,527,967 km (0.075 R)
• M6: 4,149,845 km (0.037 R)
• M7: 4,372,447 km (0.084 R)
• M8: 4,841,885 km (0.107 R)
• M9: 6,055,423 km (0.099 R)
• M10: 7,020,927 km (0.078 R)
• M11: 7,540,331 km (0.059 R)
• M12: 7,788,664 km (0.114 R)
• M13: 7,957,111 km (0.086 R)
• M14: 9,585,035 km (0.109 R)
• M15: 11,476,999 km (0.104 R)
• M16: 14,664,481 km (0.112 R)
• M17: 16,737,608 km (0.112 R)
• M18: 17,953,540 km (0.031 R)
• M19: 20,801,285 km (0.051 R)
• M20: 21,454,279 km (0.045 R)
• M21: 23,847,696 km (0.093 R)
• M22: 26,129,961 km (0.119 R)
• M23: 27,958,944 km (0.106 R)
• M24: 29,974,626 km (0.111 R)
• M25: 37,670,090 km (0.059 R)
• M26: 39,625,334 km (0.046 R)
• M27: 42,552,965 km (0.102 R)
• M28: 42,814,163 km (0.087 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 275 - 13,222 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit