🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.99 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 148.7

Radius: 12.4

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 1.73 AU - 2.23 AU

Year: 1958 Days

Day: 6.5 Hours

Environment

Temp: -199 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 44,100,252 km

• M1: 154,235 km (0.055 R)
• M2: 578,345 km (0.058 R)
• M3: 979,866 km (0.118 R)
• M4: 1,585,737 km (0.066 R)
• M5: 2,029,295 km (0.077 R)
• M6: 2,488,411 km (0.117 R)
• M7: 3,752,663 km (0.063 R)
• M8: 4,656,533 km (0.098 R)
• M9: 5,254,027 km (0.103 R)
• M10: 7,124,000 km (0.106 R)
• M11: 7,745,729 km (0.081 R)
• M12: 9,152,847 km (0.091 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 30.9

Radius: 9.5

Gravity: 0.34 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 2.49 AU - 2.75 AU

Year: 2981 Days

Day: 14.3 Hours

Environment

Temp: -219 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 44,100,252 km

• M1: 118,332 km (0.109 R)
• M2: 462,108 km (0.093 R)
• M3: 805,734 km (0.085 R)
• M4: 1,153,998 km (0.079 R)
• M5: 1,819,559 km (0.103 R)
• M6: 3,242,833 km (0.082 R)
• M7: 3,675,470 km (0.059 R)
• M8: 4,435,427 km (0.104 R)
• M9: 5,655,996 km (0.087 R)
• M10: 6,424,181 km (0.104 R)
• M11: 7,065,956 km (0.045 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 737.6

Radius: 14.5

Gravity: 3.51 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 3.7 AU - 5.12 AU

Year: 6510 Days

Day: 12.9 Hours

Environment

Temp: -214 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 44,100,252 km

• M1: 181,612 km (0.104 R)
• M2: 1,623,586 km (0.033 R)
• M3: 2,308,744 km (0.041 R)
• M4: 2,920,450 km (0.107 R)
• M5: 4,553,759 km (0.117 R)
• M6: 5,314,016 km (0.032 R)
• M7: 5,866,929 km (0.073 R)
• M8: 8,112,244 km (0.074 R)
• M9: 9,672,101 km (0.047 R)
• M10: 13,047,777 km (0.061 R)
• M11: 16,236,904 km (0.041 R)
• M12: 19,479,887 km (0.089 R)
• M13: 27,580,163 km (0.073 R)
• M14: 31,170,362 km (0.069 R)
• M15: 31,664,932 km (0.119 R)
• M16: 34,007,486 km (0.044 R)
• M17: 36,136,562 km (0.115 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 255.1

Radius: 4.1

Gravity: 15.18 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 5.45 AU - 7.31 AU

Year: 11328 Days

Day: 17.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 44,100,252 km

• M1: 51,162 km (0.073 R)
• M2: 701,165 km (0.041 R)
• M3: 1,041,351 km (0.077 R)
• M4: 1,220,719 km (0.086 R)
• M5: 2,072,230 km (0.075 R)
• M6: 2,253,842 km (0.113 R)
• M7: 2,863,453 km (0.089 R)
• M8: 3,789,464 km (0.095 R)
• M9: 4,294,057 km (0.061 R)
• M10: 4,426,900 km (0.049 R)
• M11: 5,846,135 km (0.103 R)
• M12: 6,518,129 km (0.046 R)
• M13: 20,760,594 km (0.071 R)
• M14: 27,697,896 km (0.07 R)
• M15: 29,192,080 km (0.111 R)
• M16: 30,837,507 km (0.118 R)
• M17: 31,632,769 km (0.105 R)
• M18: 31,934,508 km (0.069 R)
• M19: 33,890,201 km (0.103 R)
• M20: 36,915,668 km (0.092 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 167.4

Radius: 4.2

Gravity: 9.49 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 7.53 AU - 9.75 AU

Year: 17852 Days

Day: 18.1 Hours

Environment

Temp: -239 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 44,100,252 km

• M1: 52,210 km (0.087 R)
• M2: 344,973 km (0.104 R)
• M3: 684,261 km (0.076 R)
• M4: 1,649,616 km (0.052 R)
• M5: 1,798,765 km (0.05 R)
• M6: 2,073,277 km (0.086 R)
• M7: 2,375,016 km (0.079 R)
• M8: 2,935,260 km (0.107 R)
• M9: 3,960,005 km (0.097 R)
• M10: 5,558,309 km (0.092 R)
• M11: 6,609,982 km (0.103 R)
• M12: 8,166,697 km (0.029 R)
• M13: 10,909,724 km (0.116 R)
• M14: 11,224,328 km (0.109 R)
• M15: 12,601,077 km (0.101 R)
• M16: 14,334,468 km (0.026 R)
• M17: 18,784,107 km (0.096 R)
• M18: 19,541,371 km (0.12 R)
• M19: 21,523,094 km (0.112 R)
• M20: 22,520,314 km (0.075 R)
• M21: 23,547,902 km (0.077 R)
• M22: 31,104,688 km (0.055 R)
• M23: 31,314,574 km (0.089 R)
• M24: 35,941,636 km (0.056 R)
• M25: 36,637,865 km (0.063 R)
• M26: 41,130,289 km (0.103 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 438 - 13,240 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit