🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 472.1

Radius: 9.2

Gravity: 5.58 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 0.77 AU - 1.23 AU

Year: 690 Days

Day: 6.2 Hours

Environment

Temp: -169 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 23,428,088 km

• M1: 114,442 km (0.05 R)
• M2: 490,083 km (0.075 R)
• M3: 964,607 km (0.092 R)
• M4: 1,274,424 km (0.074 R)
• M5: 1,591,123 km (0.047 R)
• M6: 2,185,326 km (0.106 R)
• M7: 3,867,554 km (0.054 R)
• M8: 4,698,869 km (0.105 R)
• M9: 5,449,402 km (0.108 R)
• M10: 5,807,838 km (0.101 R)
• M11: 6,258,577 km (0.11 R)
• M12: 6,571,834 km (0.079 R)
• M13: 6,999,086 km (0.074 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 921.5

Radius: 13

Gravity: 5.45 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 0.98 AU - 1.2 AU

Year: 786 Days

Day: 14.4 Hours

Environment

Temp: -181 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 23,428,088 km

• M1: 161,715 km (0.117 R)
• M2: 581,487 km (0.084 R)
• M3: 1,096,702 km (0.078 R)
• M4: 1,519,166 km (0.108 R)
• M5: 1,929,065 km (0.117 R)
• M6: 2,359,906 km (0.104 R)
• M7: 3,283,224 km (0.101 R)
• M8: 3,966,588 km (0.079 R)
• M9: 4,535,508 km (0.116 R)
• M10: 4,993,128 km (0.066 R)
• M11: 5,520,461 km (0.118 R)
• M12: 6,295,677 km (0.088 R)
• M13: 6,821,663 km (0.114 R)
• M14: 7,739,446 km (0.095 R)
• M15: 8,395,732 km (0.108 R)
• M16: 9,676,589 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 866.5

Radius: 14.5

Gravity: 4.12 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 1.38 AU - 1.48 AU

Year: 1180 Days

Day: 14.1 Hours

Environment

Temp: -197 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 23,428,088 km

• M1: 180,864 km (0.094 R)
• M2: 711,936 km (0.089 R)
• M3: 1,270,984 km (0.066 R)
• M4: 2,052,333 km (0.049 R)
• M5: 3,053,891 km (0.062 R)
• M6: 4,289,569 km (0.115 R)
• M7: 4,865,072 km (0.108 R)
• M8: 5,814,720 km (0.026 R)
• M9: 6,404,135 km (0.082 R)
• M10: 6,933,861 km (0.049 R)
• M11: 8,192,279 km (0.046 R)
• M12: 9,784,449 km (0.105 R)
• M13: 11,090,887 km (0.056 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 514.7

Radius: 12.3

Gravity: 3.4 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 1.82 AU - 2 AU

Year: 1822 Days

Day: 11.3 Hours

Environment

Temp: -201 °C

Axial Tilt: 48.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 23,428,088 km

• M1: 153,188 km (0.117 R)
• M2: 573,708 km (0.072 R)
• M3: 1,157,439 km (0.112 R)
• M4: 2,078,363 km (0.102 R)
• M5: 2,546,754 km (0.119 R)
• M6: 3,220,543 km (0.107 R)
• M7: 4,099,430 km (0.103 R)
• M8: 4,783,242 km (0.12 R)
• M9: 5,280,356 km (0.097 R)
• M10: 5,904,030 km (0.099 R)
• M11: 8,275,754 km (0.089 R)
• M12: 9,464,908 km (0.116 R)
• M13: 11,658,611 km (0.05 R)
• M14: 12,332,250 km (0.108 R)
• M15: 12,795,704 km (0.05 R)
• M16: 13,270,678 km (0.073 R)
• M17: 14,005,353 km (0.107 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 852.2

Radius: 10.4

Gravity: 7.88 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 2.45 AU - 2.79 AU

Year: 2927 Days

Day: 7 Hours

Environment

Temp: -200 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 23,428,088 km

• M1: 129,402 km (0.101 R)
• M2: 461,659 km (0.077 R)
• M3: 789,578 km (0.119 R)
• M4: 1,210,247 km (0.117 R)
• M5: 1,709,754 km (0.093 R)
• M6: 2,054,428 km (0.096 R)
• M7: 2,505,615 km (0.073 R)
• M8: 3,288,610 km (0.065 R)
• M9: 4,314,403 km (0.118 R)
• M10: 4,986,247 km (0.118 R)
• M11: 5,673,050 km (0.057 R)
• M12: 6,137,103 km (0.078 R)
• M13: 6,655,908 km (0.059 R)
• M14: 7,235,002 km (0.059 R)
• M15: 8,115,535 km (0.078 R)
• M16: 9,323,986 km (0.102 R)
• M17: 10,088,731 km (0.102 R)
• M18: 12,589,409 km (0.066 R)
• M19: 13,191,540 km (0.075 R)
• M20: 13,909,909 km (0.117 R)
• M21: 17,669,304 km (0.06 R)
• M22: 20,627,153 km (0.106 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 262.3

Radius: 8.8

Gravity: 3.39 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 3.16 AU - 4.84 AU

Year: 5522 Days

Day: 9.5 Hours

Environment

Temp: -212 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 23,428,088 km

• M1: 119,230 km (0.105 R)
• M2: 408,253 km (0.106 R)
• M3: 732,730 km (0.083 R)
• M4: 1,215,632 km (0.047 R)
• M5: 1,861,895 km (0.099 R)
• M6: 2,206,120 km (0.12 R)
• M7: 2,886,641 km (0.045 R)
• M8: 3,313,144 km (0.106 R)
• M9: 3,680,257 km (0.086 R)
• M10: 5,196,731 km (0.105 R)
• M11: 6,136,654 km (0.077 R)
• M12: 6,425,079 km (0.118 R)
• M13: 6,905,288 km (0.06 R)
• M14: 8,632,994 km (0.073 R)
• M15: 9,597,003 km (0.101 R)
• M16: 10,508,203 km (0.12 R)
• M17: 10,880,104 km (0.066 R)
• M18: 20,039,233 km (0.105 R)
• M19: 20,611,595 km (0.086 R)
• M20: 20,934,277 km (0.118 R)
• M21: 21,789,079 km (0.085 R)
• M22: 22,326,585 km (0.066 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 295 - 19,355 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit