🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 645

Radius: 14.4

Gravity: 3.11 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.45 AU - 0.71 AU

Year: 295 Days

Day: 6.5 Hours

Environment

Temp: -143 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 61,190,209 km

• M1: 179,069 km (0.094 R)
• M2: 672,891 km (0.085 R)
• M3: 1,122,283 km (0.093 R)
• M4: 1,915,302 km (0.103 R)
• M5: 2,398,203 km (0.116 R)
• M6: 3,130,784 km (0.117 R)
• M7: 3,684,147 km (0.061 R)
• M8: 4,227,935 km (0.06 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 89.9

Radius: 12.3

Gravity: 0.59 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 2.46 AU - 2.88 AU

Year: 2909 Days

Day: 8.5 Hours

Environment

Temp: -206 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 61,190,209 km

• M1: 153,637 km (0.048 R)
• M2: 1,179,130 km (0.086 R)
• M3: 3,021,428 km (0.066 R)
• M4: 4,854,152 km (0.111 R)
• M5: 7,023,470 km (0.108 R)
• M6: 7,610,044 km (0.063 R)
• M7: 8,123,464 km (0.074 R)
• M8: 10,136,004 km (0.05 R)

Planet 3 - Ice Giant

Semi-Major Axis: 9.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 461.2

Radius: 6.1

Gravity: 12.39 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 9.5 AU - 9.52 AU

Year: 19557 Days

Day: 20.8 Hours

Environment

Temp: -245 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 61,190,209 km

• M1: 119,080 km (0.076 R)
• M2: 344,673 km (0.072 R)
• M3: 1,040,902 km (0.112 R)
• M4: 1,531,882 km (0.113 R)
• M5: 1,956,142 km (0.09 R)
• M6: 3,163,247 km (0.119 R)
• M7: 3,620,268 km (0.076 R)
• M8: 5,477,526 km (0.112 R)
• M9: 9,039,601 km (0.105 R)
• M10: 13,969,150 km (0.116 R)
• M11: 14,321,752 km (0.064 R)
• M12: 15,044,759 km (0.108 R)
• M13: 15,867,846 km (0.071 R)
• M14: 23,365,542 km (0.109 R)
• M15: 33,549,716 km (0.105 R)
• M16: 35,601,152 km (0.078 R)
• M17: 44,644,792 km (0.027 R)
• M18: 51,846,134 km (0.081 R)
• M19: 57,593,385 km (0.097 R)
• M20: 58,317,738 km (0.105 R)
• M21: 62,409,988 km (0.071 R)

Planet 4 - Ice Giant

Semi-Major Axis: 10.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 250.2

Radius: 4.5

Gravity: 12.36 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 9.15 AU - 12.57 AU

Year: 23866 Days

Day: 21.9 Hours

Environment

Temp: -232 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 61,190,209 km

• M1: 82,728 km (0.106 R)
• M2: 301,739 km (0.117 R)
• M3: 516,262 km (0.1 R)
• M4: 1,486,105 km (0.069 R)
• M5: 2,059,215 km (0.055 R)
• M6: 2,333,876 km (0.108 R)
• M7: 3,077,827 km (0.074 R)
• M8: 3,626,851 km (0.066 R)
• M9: 3,998,003 km (0.068 R)
• M10: 4,520,848 km (0.118 R)
• M11: 7,336,728 km (0.077 R)
• M12: 9,365,126 km (0.109 R)
• M13: 15,709,272 km (0.114 R)
• M14: 18,115,554 km (0.078 R)
• M15: 18,690,908 km (0.066 R)
• M16: 19,025,259 km (0.117 R)
• M17: 19,534,041 km (0.084 R)
• M18: 21,025,083 km (0.119 R)
• M19: 21,752,129 km (0.055 R)
• M20: 22,495,929 km (0.076 R)
• M21: 23,160,593 km (0.088 R)
• M22: 24,132,680 km (0.101 R)
• M23: 25,743,998 km (0.073 R)
• M24: 27,104,890 km (0.061 R)
• M25: 28,513,055 km (0.111 R)
• M26: 32,066,304 km (0.08 R)
• M27: 38,535,215 km (0.104 R)
• M28: 39,760,272 km (0.114 R)
• M29: 41,292,603 km (0.111 R)
• M30: 46,735,123 km (0.114 R)
• M31: 47,196,333 km (0.082 R)
• M32: 47,815,818 km (0.08 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 290 - 13,816 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit