🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.86 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 564

Radius: 12.7

Gravity: 3.5 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 1.43 AU - 2.01 AU

Year: 1504 Days

Day: 9.8 Hours

Environment

Temp: -198 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 32,454,415 km

• M1: 158,574 km (0.11 R)
• M2: 596,746 km (0.072 R)
• M3: 1,155,644 km (0.116 R)
• M4: 2,122,943 km (0.085 R)
• M5: 2,855,075 km (0.104 R)
• M6: 3,733,065 km (0.06 R)
• M7: 4,443,805 km (0.109 R)
• M8: 5,820,255 km (0.1 R)
• M9: 6,704,378 km (0.103 R)
• M10: 9,367,370 km (0.043 R)
• M11: 11,156,860 km (0.042 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 367.5

Radius: 13.8

Gravity: 1.93 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 2.73 AU - 2.75 AU

Year: 3025 Days

Day: 14.6 Hours

Environment

Temp: -212 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 32,454,415 km

• M1: 171,589 km (0.115 R)
• M2: 650,302 km (0.09 R)
• M3: 1,896,452 km (0.109 R)
• M4: 2,423,037 km (0.054 R)
• M5: 2,984,627 km (0.088 R)
• M6: 3,509,865 km (0.033 R)
• M7: 3,962,848 km (0.081 R)
• M8: 4,475,669 km (0.069 R)
• M9: 4,943,910 km (0.057 R)
• M10: 5,539,908 km (0.104 R)
• M11: 6,684,930 km (0.099 R)
• M12: 7,270,756 km (0.088 R)
• M13: 7,921,058 km (0.034 R)
• M14: 8,969,290 km (0.059 R)
• M15: 9,475,380 km (0.094 R)
• M16: 10,107,879 km (0.11 R)
• M17: 11,973,664 km (0.073 R)
• M18: 12,797,799 km (0.113 R)
• M19: 13,615,351 km (0.029 R)
• M20: 15,307,303 km (0.03 R)
• M21: 15,933,819 km (0.119 R)
• M22: 16,678,068 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 777.3

Radius: 15

Gravity: 3.45 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 2.93 AU - 3.41 AU

Year: 3764 Days

Day: 9.1 Hours

Environment

Temp: -210 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 32,454,415 km

• M1: 186,698 km (0.069 R)
• M2: 837,449 km (0.098 R)
• M3: 1,324,689 km (0.109 R)
• M4: 2,172,909 km (0.063 R)
• M5: 3,343,961 km (0.107 R)
• M6: 4,215,967 km (0.1 R)
• M7: 4,903,220 km (0.09 R)
• M8: 5,582,394 km (0.074 R)
• M9: 6,749,557 km (0.064 R)
• M10: 7,292,597 km (0.098 R)
• M11: 9,486,899 km (0.085 R)
• M12: 10,252,690 km (0.069 R)
• M13: 11,770,959 km (0.094 R)
• M14: 12,992,725 km (0.086 R)
• M15: 13,534,568 km (0.116 R)
• M16: 15,632,977 km (0.12 R)
• M17: 19,493,500 km (0.064 R)
• M18: 20,401,410 km (0.102 R)
• M19: 21,678,527 km (0.1 R)
• M20: 22,301,751 km (0.076 R)
• M21: 24,466,133 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 265.2

Radius: 8.2

Gravity: 3.94 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 4.59 AU - 6.01 AU

Year: 8137 Days

Day: 10.2 Hours

Environment

Temp: -219 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 32,454,415 km

• M1: 104,719 km (0.102 R)
• M2: 443,109 km (0.115 R)
• M3: 896,989 km (0.112 R)
• M4: 2,366,339 km (0.096 R)
• M5: 2,776,088 km (0.119 R)
• M6: 3,333,639 km (0.109 R)
• M7: 4,151,042 km (0.101 R)
• M8: 6,398,002 km (0.106 R)
• M9: 6,788,602 km (0.093 R)
• M10: 8,945,803 km (0.071 R)
• M11: 19,403,592 km (0.048 R)
• M12: 19,742,281 km (0.115 R)
• M13: 20,084,861 km (0.066 R)
• M14: 23,731,907 km (0.054 R)
• M15: 24,747,826 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 187.7

Radius: 12.3

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 5.46 AU - 5.72 AU

Year: 8813 Days

Day: 12.6 Hours

Environment

Temp: -236 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 32,454,415 km

• M1: 153,338 km (0.053 R)
• M2: 1,000,959 km (0.048 R)
• M3: 1,481,019 km (0.083 R)
• M4: 2,100,504 km (0.071 R)
• M5: 3,626,552 km (0.107 R)
• M6: 4,786,384 km (0.096 R)
• M7: 6,519,326 km (0.085 R)
• M8: 6,970,064 km (0.044 R)
• M9: 8,152,336 km (0.096 R)
• M10: 9,103,629 km (0.113 R)
• M11: 11,548,357 km (0.09 R)
• M12: 16,844,870 km (0.117 R)
• M13: 17,511,628 km (0.081 R)
• M14: 19,951,419 km (0.073 R)
• M15: 25,972,883 km (0.104 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 248.9

Radius: 4.9

Gravity: 10.37 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 4.97 AU - 6.57 AU

Year: 9243 Days

Day: 20.8 Hours

Environment

Temp: -221 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 32,454,415 km

• M1: 60,886 km (0.089 R)
• M2: 643,570 km (0.074 R)
• M3: 1,782,907 km (0.101 R)
• M4: 2,181,137 km (0.118 R)
• M5: 2,727,319 km (0.036 R)
• M6: 2,934,811 km (0.113 R)
• M7: 3,172,971 km (0.051 R)
• M8: 3,918,866 km (0.099 R)
• M9: 4,589,513 km (0.045 R)
• M10: 5,247,295 km (0.119 R)
• M11: 5,658,839 km (0.083 R)
• M12: 7,669,733 km (0.096 R)
• M13: 8,552,660 km (0.05 R)
• M14: 10,067,787 km (0.104 R)
• M15: 10,381,943 km (0.1 R)
• M16: 11,605,952 km (0.083 R)
• M17: 16,032,254 km (0.094 R)
• M18: 16,708,736 km (0.073 R)
• M19: 22,743,663 km (0.108 R)
• M20: 25,615,793 km (0.115 R)
• M21: 26,454,439 km (0.049 R)
• M22: 27,922,143 km (0.05 R)
• M23: 29,717,168 km (0.117 R)
• M24: 31,492,297 km (0.038 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 416 - 11,046 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit