🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 654.4

Radius: 9.1

Gravity: 7.9 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 0.84 AU - 0.94 AU

Year: 542 Days

Day: 11 Hours

Environment

Temp: -159 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 83,775,598 km

• M1: 114,143 km (0.112 R)
• M2: 747,840 km (0.055 R)
• M3: 1,142,778 km (0.034 R)
• M4: 1,513,781 km (0.054 R)
• M5: 1,930,710 km (0.077 R)
• M6: 2,594,925 km (0.093 R)
• M7: 4,298,246 km (0.103 R)
• M8: 4,879,883 km (0.065 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 961

Radius: 14.6

Gravity: 4.51 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 1.17 AU - 1.69 AU

Year: 1104 Days

Day: 12.9 Hours

Environment

Temp: -178 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 83,775,598 km

• M1: 181,612 km (0.119 R)
• M2: 758,760 km (0.075 R)
• M3: 1,225,207 km (0.1 R)
• M4: 2,013,737 km (0.083 R)
• M5: 2,916,410 km (0.07 R)
• M6: 3,461,994 km (0.077 R)
• M7: 4,058,441 km (0.09 R)
• M8: 5,052,668 km (0.103 R)
• M9: 5,867,677 km (0.029 R)
• M10: 6,696,300 km (0.096 R)
• M11: 7,549,307 km (0.102 R)
• M12: 8,587,367 km (0.105 R)
• M13: 9,200,867 km (0.103 R)
• M14: 10,980,783 km (0.081 R)
• M15: 11,634,077 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 694.9

Radius: 14.5

Gravity: 3.31 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 1.48 AU - 1.52 AU

Year: 1186 Days

Day: 15 Hours

Environment

Temp: -188 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 83,775,598 km

• M1: 180,415 km (0.112 R)
• M2: 675,285 km (0.119 R)
• M3: 1,135,597 km (0.114 R)
• M4: 2,190,562 km (0.091 R)
• M5: 2,778,631 km (0.097 R)
• M6: 3,456,309 km (0.114 R)
• M7: 4,542,539 km (0.084 R)
• M8: 5,802,752 km (0.111 R)
• M9: 6,399,947 km (0.104 R)
• M10: 6,989,213 km (0.078 R)
• M11: 7,563,369 km (0.116 R)
• M12: 8,034,453 km (0.117 R)
• M13: 8,608,909 km (0.088 R)
• M14: 11,153,269 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 757.5

Radius: 12.2

Gravity: 5.09 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 2.28 AU - 2.78 AU

Year: 2598 Days

Day: 14.8 Hours

Environment

Temp: -203 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 83,775,598 km

• M1: 151,692 km (0.046 R)
• M2: 748,438 km (0.099 R)
• M3: 1,141,881 km (0.084 R)
• M4: 1,700,329 km (0.104 R)
• M5: 2,824,557 km (0.115 R)
• M6: 3,394,376 km (0.103 R)
• M7: 3,803,227 km (0.086 R)
• M8: 4,286,727 km (0.103 R)
• M9: 6,016,078 km (0.079 R)
• M10: 6,478,186 km (0.088 R)
• M11: 10,679,493 km (0.099 R)
• M12: 11,237,044 km (0.119 R)
• M13: 11,982,191 km (0.044 R)
• M14: 12,453,724 km (0.105 R)
• M15: 14,512,789 km (0.101 R)
• M16: 17,653,895 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 890

Radius: 12.9

Gravity: 5.35 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 2.79 AU - 3.61 AU

Year: 3696 Days

Day: 14.7 Hours

Environment

Temp: -209 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 83,775,598 km

• M1: 160,369 km (0.12 R)
• M2: 625,618 km (0.078 R)
• M3: 1,029,682 km (0.102 R)
• M4: 1,606,681 km (0.077 R)
• M5: 2,019,422 km (0.108 R)
• M6: 2,733,003 km (0.086 R)
• M7: 4,888,110 km (0.119 R)
• M8: 5,829,380 km (0.1 R)
• M9: 6,697,796 km (0.098 R)
• M10: 7,719,699 km (0.115 R)
• M11: 8,995,320 km (0.077 R)
• M12: 10,364,589 km (0.085 R)
• M13: 12,290,063 km (0.048 R)
• M14: 12,770,123 km (0.065 R)
• M15: 13,614,902 km (0.118 R)
• M16: 14,602,847 km (0.102 R)
• M17: 18,595,614 km (0.11 R)
• M18: 19,165,133 km (0.055 R)
• M19: 26,697,386 km (0.11 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 178.7

Radius: 10.8

Gravity: 1.53 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 4.2 AU - 4.32 AU

Year: 5677 Days

Day: 10.4 Hours

Environment

Temp: -213 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 83,775,598 km

• M1: 134,339 km (0.07 R)
• M2: 612,304 km (0.119 R)
• M3: 1,208,452 km (0.091 R)
• M4: 1,935,946 km (0.078 R)
• M5: 2,413,014 km (0.087 R)
• M6: 3,068,103 km (0.077 R)
• M7: 3,605,608 km (0.102 R)
• M8: 4,226,289 km (0.081 R)
• M9: 4,618,535 km (0.075 R)
• M10: 5,035,165 km (0.089 R)
• M11: 5,401,231 km (0.107 R)
• M12: 5,917,344 km (0.091 R)
• M13: 7,078,373 km (0.097 R)
• M14: 7,857,329 km (0.117 R)
• M15: 9,007,138 km (0.072 R)
• M16: 9,512,031 km (0.056 R)
• M17: 11,263,822 km (0.065 R)
• M18: 11,978,451 km (0.097 R)
• M19: 14,208,058 km (0.091 R)
• M20: 17,519,556 km (0.048 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 596

Radius: 5.1

Gravity: 22.91 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 7.91 AU - 8.63 AU

Year: 15356 Days

Day: 19.2 Hours

Environment

Temp: -217 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 83,775,598 km

• M1: 63,429 km (0.095 R)
• M2: 322,084 km (0.117 R)
• M3: 784,491 km (0.062 R)
• M4: 991,535 km (0.087 R)
• M5: 1,247,796 km (0.048 R)
• M6: 1,457,083 km (0.067 R)
• M7: 1,689,858 km (0.06 R)
• M8: 3,349,646 km (0.115 R)
• M9: 3,562,673 km (0.108 R)
• M10: 3,899,268 km (0.104 R)
• M11: 4,475,370 km (0.103 R)
• M12: 4,635,888 km (0.107 R)
• M13: 5,644,776 km (0.082 R)
• M14: 6,024,456 km (0.093 R)
• M15: 6,792,192 km (0.05 R)
• M16: 7,047,705 km (0.12 R)
• M17: 8,717,666 km (0.054 R)
• M18: 9,328,325 km (0.092 R)
• M19: 11,213,108 km (0.117 R)
• M20: 11,450,221 km (0.116 R)
• M21: 11,630,337 km (0.103 R)
• M22: 14,285,250 km (0.077 R)
• M23: 16,542,383 km (0.115 R)
• M24: 19,448,920 km (0.072 R)
• M25: 23,830,043 km (0.059 R)
• M26: 29,159,617 km (0.115 R)
• M27: 35,612,970 km (0.113 R)
• M28: 36,383,848 km (0.106 R)
• M29: 42,667,856 km (0.105 R)
• M30: 46,979,715 km (0.077 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 952.3

Radius: 4.9

Gravity: 39.66 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 8.45 AU - 11.01 AU

Year: 19597 Days

Day: 18.1 Hours

Environment

Temp: -224 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 83,775,598 km

• M1: 60,886 km (0.049 R)
• M2: 224,397 km (0.112 R)
• M3: 847,322 km (0.093 R)
• M4: 2,039,917 km (0.086 R)
• M5: 2,321,161 km (0.077 R)
• M6: 4,838,294 km (0.071 R)
• M7: 5,142,277 km (0.06 R)
• M8: 5,663,476 km (0.036 R)
• M9: 6,487,312 km (0.099 R)
• M10: 7,487,822 km (0.074 R)
• M11: 9,261,305 km (0.071 R)
• M12: 11,429,128 km (0.102 R)
• M13: 13,169,849 km (0.079 R)
• M14: 14,065,042 km (0.097 R)
• M15: 23,263,965 km (0.066 R)
• M16: 33,030,462 km (0.067 R)
• M17: 33,984,148 km (0.09 R)
• M18: 35,946,124 km (0.106 R)
• M19: 37,393,035 km (0.105 R)
• M20: 37,686,845 km (0.102 R)
• M21: 44,880,708 km (0.115 R)
• M22: 46,897,287 km (0.109 R)
• M23: 50,034,205 km (0.12 R)
• M24: 51,835,961 km (0.086 R)
• M25: 55,759,465 km (0.076 R)
• M26: 66,747,877 km (0.115 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 375 - 11,687 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit