🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 184.2

Radius: 13.7

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 0.76 AU - 0.9 AU

Year: 504 Days

Day: 11.1 Hours

Environment

Temp: -171 °C

Axial Tilt: 146.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 68,863,767 km

• M1: 170,542 km (0.043 R)
• M2: 647,160 km (0.076 R)
• M3: 1,126,921 km (0.041 R)
• M4: 1,759,869 km (0.116 R)
• M5: 2,538,077 km (0.053 R)
• M6: 2,979,242 km (0.082 R)
• M7: 3,568,508 km (0.111 R)
• M8: 3,996,208 km (0.091 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 675.7

Radius: 9.4

Gravity: 7.65 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 1.32 AU - 1.76 AU

Year: 1274 Days

Day: 7.8 Hours

Environment

Temp: -183 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 68,863,767 km

• M1: 116,986 km (0.07 R)
• M2: 466,596 km (0.102 R)
• M3: 1,016,218 km (0.073 R)
• M4: 1,383,332 km (0.104 R)
• M5: 2,173,657 km (0.097 R)
• M6: 2,914,017 km (0.045 R)
• M7: 3,298,184 km (0.068 R)
• M8: 3,813,549 km (0.07 R)
• M9: 4,327,866 km (0.081 R)
• M10: 5,084,981 km (0.085 R)
• M11: 6,107,034 km (0.102 R)
• M12: 6,476,541 km (0.067 R)
• M13: 7,755,004 km (0.108 R)
• M14: 8,383,614 km (0.056 R)
• M15: 9,526,692 km (0.116 R)
• M16: 11,553,144 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 919.4

Radius: 8.5

Gravity: 12.73 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 2.75 AU - 4.31 AU

Year: 4423 Days

Day: 14.5 Hours

Environment

Temp: -222 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 68,863,767 km

• M1: 106,514 km (0.051 R)
• M2: 401,221 km (0.055 R)
• M3: 1,070,822 km (0.102 R)
• M4: 1,339,948 km (0.027 R)
• M5: 1,630,018 km (0.073 R)
• M6: 1,976,487 km (0.118 R)
• M7: 2,520,575 km (0.05 R)
• M8: 3,181,049 km (0.084 R)
• M9: 3,682,202 km (0.114 R)
• M10: 4,868,663 km (0.077 R)
• M11: 5,362,934 km (0.12 R)
• M12: 6,166,574 km (0.073 R)
• M13: 7,014,195 km (0.061 R)
• M14: 8,048,964 km (0.087 R)
• M15: 9,141,327 km (0.03 R)
• M16: 10,066,590 km (0.101 R)
• M17: 14,069,530 km (0.03 R)
• M18: 17,785,242 km (0.086 R)
• M19: 22,107,573 km (0.114 R)
• M20: 23,923,243 km (0.111 R)
• M21: 24,867,504 km (0.079 R)
• M22: 26,082,389 km (0.111 R)
• M23: 27,251,646 km (0.111 R)
• M24: 28,630,190 km (0.115 R)
• M25: 29,070,457 km (0.095 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 894.6

Radius: 8.6

Gravity: 12.1 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 4.5 AU - 6.86 AU

Year: 9027 Days

Day: 13.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 44.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 68,863,767 km

• M1: 146,157 km (0.11 R)
• M2: 426,204 km (0.108 R)
• M3: 765,193 km (0.056 R)
• M4: 1,373,308 km (0.083 R)
• M5: 1,861,746 km (0.113 R)
• M6: 2,291,540 km (0.069 R)
• M7: 2,641,001 km (0.028 R)
• M8: 2,959,195 km (0.08 R)
• M9: 3,935,471 km (0.092 R)
• M10: 4,381,123 km (0.078 R)
• M11: 5,609,172 km (0.054 R)
• M12: 7,417,960 km (0.048 R)
• M13: 8,774,663 km (0.033 R)
• M14: 9,197,875 km (0.098 R)
• M15: 10,601,851 km (0.109 R)
• M16: 11,300,025 km (0.09 R)
• M17: 12,258,947 km (0.114 R)
• M18: 12,907,753 km (0.088 R)
• M19: 14,991,801 km (0.113 R)
• M20: 15,326,003 km (0.105 R)
• M21: 16,078,779 km (0.078 R)
• M22: 20,872,793 km (0.091 R)
• M23: 21,627,364 km (0.089 R)
• M24: 23,013,538 km (0.118 R)
• M25: 26,541,355 km (0.045 R)
• M26: 27,526,457 km (0.103 R)
• M27: 36,541,973 km (0.103 R)
• M28: 37,883,716 km (0.12 R)
• M29: 40,924,741 km (0.118 R)
• M30: 44,950,121 km (0.04 R)
• M31: 45,366,601 km (0.091 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 488.3

Radius: 4.2

Gravity: 27.68 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 9.25 AU - 10.31 AU

Year: 20396 Days

Day: 15.8 Hours

Environment

Temp: -228 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 68,863,767 km

• M1: 55,950 km (0.088 R)
• M2: 361,279 km (0.109 R)
• M3: 509,530 km (0.057 R)
• M4: 671,395 km (0.069 R)
• M5: 2,392,668 km (0.056 R)
• M6: 2,733,003 km (0.085 R)
• M7: 5,409,459 km (0.116 R)
• M8: 7,380,411 km (0.085 R)
• M9: 10,589,435 km (0.116 R)
• M10: 10,827,445 km (0.066 R)
• M11: 13,270,977 km (0.068 R)
• M12: 13,478,170 km (0.099 R)
• M13: 21,976,376 km (0.087 R)
• M14: 23,755,843 km (0.091 R)
• M15: 27,936,355 km (0.068 R)
• M16: 31,712,355 km (0.086 R)
• M17: 39,397,796 km (0.069 R)
• M18: 43,973,097 km (0.081 R)
• M19: 47,105,378 km (0.118 R)
• M20: 50,887,660 km (0.09 R)
• M21: 56,298,765 km (0.101 R)
• M22: 66,416,219 km (0.119 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 183 - 12,871 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit