🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 327.7

Radius: 14.5

Gravity: 1.56 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 0.61 AU - 0.87 AU

Year: 432 Days

Day: 11.2 Hours

Environment

Temp: -163 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 86,660,354 km

• M1: 180,714 km (0.067 R)
• M2: 676,781 km (0.064 R)
• M3: 1,315,564 km (0.107 R)
• M4: 1,848,880 km (0.082 R)
• M5: 3,677,864 km (0.056 R)
• M6: 4,239,155 km (0.054 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 751.7

Radius: 12.2

Gravity: 5.05 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 1.08 AU - 1.42 AU

Year: 948 Days

Day: 13.8 Hours

Environment

Temp: -175 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 86,660,354 km

• M1: 151,692 km (0.105 R)
• M2: 549,772 km (0.098 R)
• M3: 968,197 km (0.114 R)
• M4: 1,471,445 km (0.106 R)
• M5: 1,892,263 km (0.113 R)
• M6: 2,405,384 km (0.117 R)
• M7: 3,610,245 km (0.055 R)
• M8: 4,091,203 km (0.118 R)
• M9: 4,792,817 km (0.114 R)
• M10: 5,414,695 km (0.072 R)
• M11: 5,962,971 km (0.075 R)
• M12: 6,370,775 km (0.101 R)
• M13: 7,707,581 km (0.119 R)
• M14: 8,999,509 km (0.037 R)
• M15: 9,595,507 km (0.071 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 667.3

Radius: 9

Gravity: 8.24 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 1.23 AU - 1.59 AU

Year: 1136 Days

Day: 12.9 Hours

Environment

Temp: -181 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 86,660,354 km

• M1: 111,899 km (0.116 R)
• M2: 446,998 km (0.096 R)
• M3: 807,380 km (0.105 R)
• M4: 1,228,199 km (0.06 R)
• M5: 1,515,726 km (0.119 R)
• M6: 2,365,890 km (0.055 R)
• M7: 2,804,960 km (0.101 R)
• M8: 3,504,330 km (0.105 R)
• M9: 3,895,529 km (0.051 R)
• M10: 4,246,336 km (0.113 R)
• M11: 4,581,884 km (0.08 R)
• M12: 7,451,171 km (0.054 R)
• M13: 7,967,134 km (0.113 R)
• M14: 8,506,883 km (0.076 R)
• M15: 9,450,397 km (0.08 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 63.7

Radius: 9.2

Gravity: 0.75 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 3.16 AU - 4.6 AU

Year: 5184 Days

Day: 5.7 Hours

Environment

Temp: -225 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 86,660,354 km

• M1: 116,238 km (0.098 R)
• M2: 501,003 km (0.076 R)
• M3: 895,343 km (0.118 R)
• M4: 1,234,930 km (0.094 R)
• M5: 1,690,306 km (0.089 R)
• M6: 2,114,117 km (0.091 R)
• M7: 3,056,883 km (0.097 R)
• M8: 3,809,360 km (0.026 R)
• M9: 5,131,207 km (0.118 R)
• M10: 7,694,118 km (0.116 R)
• M11: 8,862,776 km (0.089 R)
• M12: 10,416,500 km (0.094 R)
• M13: 10,761,921 km (0.119 R)
• M14: 11,881,063 km (0.054 R)
• M15: 12,604,518 km (0.118 R)
• M16: 13,036,407 km (0.04 R)
• M17: 13,764,650 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 267.6

Radius: 8.8

Gravity: 3.46 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 3.32 AU - 4.98 AU

Year: 5734 Days

Day: 14.1 Hours

Environment

Temp: -212 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 86,660,354 km

• M1: 109,805 km (0.095 R)
• M2: 438,172 km (0.099 R)
• M3: 990,488 km (0.118 R)
• M4: 1,299,557 km (0.102 R)
• M5: 2,259,676 km (0.042 R)
• M6: 3,321,821 km (0.102 R)
• M7: 3,985,287 km (0.04 R)
• M8: 5,054,014 km (0.09 R)
• M9: 8,052,853 km (0.117 R)
• M10: 8,545,479 km (0.093 R)
• M11: 10,024,404 km (0.119 R)
• M12: 10,347,685 km (0.097 R)
• M13: 12,252,066 km (0.091 R)
• M14: 15,369,236 km (0.073 R)
• M15: 17,081,833 km (0.074 R)
• M16: 17,660,328 km (0.108 R)
• M17: 18,371,815 km (0.065 R)
• M18: 21,210,584 km (0.068 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 851.6

Radius: 9.6

Gravity: 9.24 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 4.01 AU - 4.91 AU

Year: 6388 Days

Day: 9.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 86,660,354 km

• M1: 119,379 km (0.106 R)
• M2: 736,620 km (0.054 R)
• M3: 1,243,757 km (0.08 R)
• M4: 1,670,859 km (0.085 R)
• M5: 2,432,611 km (0.11 R)
• M6: 2,784,615 km (0.051 R)
• M7: 3,546,218 km (0.069 R)
• M8: 3,976,012 km (0.097 R)
• M9: 4,883,323 km (0.077 R)
• M10: 7,140,157 km (0.09 R)
• M11: 9,202,363 km (0.098 R)
• M12: 11,126,042 km (0.091 R)
• M13: 11,840,372 km (0.044 R)
• M14: 13,303,888 km (0.109 R)
• M15: 14,226,159 km (0.107 R)
• M16: 15,313,885 km (0.07 R)
• M17: 15,625,647 km (0.077 R)
• M18: 19,632,327 km (0.046 R)
• M19: 25,042,983 km (0.109 R)
• M20: 26,715,786 km (0.076 R)
• M21: 29,219,307 km (0.102 R)
• M22: 31,875,118 km (0.049 R)
• M23: 32,281,725 km (0.102 R)
• M24: 32,794,995 km (0.113 R)
• M25: 33,522,639 km (0.078 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 127.1

Radius: 7.7

Gravity: 2.14 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 7.75 AU - 10.61 AU

Year: 18865 Days

Day: 17 Hours

Environment

Temp: -231 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 86,660,354 km

• M1: 95,892 km (0.076 R)
• M2: 952,490 km (0.106 R)
• M3: 1,538,614 km (0.119 R)
• M4: 3,292,649 km (0.116 R)
• M5: 3,865,310 km (0.083 R)
• M6: 5,652,556 km (0.105 R)
• M7: 15,965,534 km (0.106 R)
• M8: 17,947,107 km (0.089 R)
• M9: 18,739,826 km (0.09 R)
• M10: 19,405,686 km (0.096 R)
• M11: 21,020,446 km (0.112 R)
• M12: 22,474,238 km (0.114 R)
• M13: 23,650,227 km (0.053 R)
• M14: 28,766,623 km (0.088 R)
• M15: 33,809,418 km (0.107 R)
• M16: 36,481,535 km (0.1 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 872.1

Radius: 3.9

Gravity: 57.34 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 8.62 AU - 11.44 AU

Year: 21545 Days

Day: 19 Hours

Environment

Temp: -241 °C

Axial Tilt: 46 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 86,660,354 km

• M1: 48,619 km (0.114 R)
• M2: 383,719 km (0.04 R)
• M3: 816,655 km (0.073 R)
• M4: 1,172,548 km (0.115 R)
• M5: 1,337,854 km (0.047 R)
• M6: 1,467,854 km (0.088 R)
• M7: 1,869,525 km (0.026 R)
• M8: 2,410,470 km (0.047 R)
• M9: 3,636,126 km (0.071 R)
• M10: 10,238,329 km (0.113 R)
• M11: 10,681,288 km (0.1 R)
• M12: 11,947,933 km (0.091 R)
• M13: 14,695,597 km (0.101 R)
• M14: 15,422,493 km (0.118 R)
• M15: 18,018,316 km (0.12 R)
• M16: 18,756,731 km (0.118 R)
• M17: 24,836,089 km (0.118 R)
• M18: 30,786,643 km (0.106 R)
• M19: 32,511,058 km (0.105 R)
• M20: 35,288,193 km (0.04 R)
• M21: 41,150,335 km (0.038 R)
• M22: 42,751,481 km (0.073 R)
• M23: 43,403,429 km (0.06 R)
• M24: 49,930,833 km (0.114 R)
• M25: 56,494,738 km (0.095 R)
• M26: 59,475,476 km (0.12 R)
• M27: 68,820,256 km (0.067 R)
• M28: 70,618,124 km (0.102 R)
• M29: 75,961,012 km (0.052 R)
• M30: 78,608,894 km (0.118 R)
• M31: 83,833,450 km (0.081 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: 314 - 17,493 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit