🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 570.1

Radius: 9.3

Gravity: 6.59 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 0.42 AU - 0.6 AU

Year: 251 Days

Day: 7.2 Hours

Environment

Temp: -131 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 56,448,692 km

• M1: 115,639 km (0.12 R)
• M2: 488,287 km (0.114 R)
• M3: 829,221 km (0.115 R)
• M4: 1,184,965 km (0.096 R)
• M5: 1,699,282 km (0.043 R)
• M6: 2,095,717 km (0.079 R)
• M7: 2,494,844 km (0.116 R)
• M8: 3,134,973 km (0.093 R)
• M9: 3,520,337 km (0.085 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 819

Radius: 10.8

Gravity: 7.02 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 0.74 AU - 0.94 AU

Year: 531 Days

Day: 6.4 Hours

Environment

Temp: -161 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 56,448,692 km

• M1: 134,339 km (0.089 R)
• M2: 691,441 km (0.059 R)
• M3: 1,461,870 km (0.059 R)
• M4: 1,890,468 km (0.077 R)
• M5: 2,382,645 km (0.103 R)
• M6: 4,010,869 km (0.1 R)
• M7: 4,560,341 km (0.117 R)
• M8: 5,244,303 km (0.093 R)
• M9: 6,898,706 km (0.049 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 389.8

Radius: 10.5

Gravity: 3.54 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 1 AU - 1.02 AU

Year: 701 Days

Day: 8.3 Hours

Environment

Temp: -186 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 56,448,692 km

• M1: 130,749 km (0.101 R)
• M2: 544,835 km (0.056 R)
• M3: 895,194 km (0.091 R)
• M4: 1,293,124 km (0.095 R)
• M5: 1,700,778 km (0.117 R)
• M6: 2,068,639 km (0.118 R)
• M7: 3,105,951 km (0.078 R)
• M8: 4,110,650 km (0.032 R)
• M9: 4,445,002 km (0.091 R)
• M10: 5,185,361 km (0.099 R)
• M11: 5,681,877 km (0.074 R)
• M12: 6,042,707 km (0.111 R)
• M13: 6,495,839 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 642.8

Radius: 8.1

Gravity: 9.8 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 1.73 AU - 1.93 AU

Year: 1709 Days

Day: 9.8 Hours

Environment

Temp: -197 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 56,448,692 km

• M1: 100,679 km (0.057 R)
• M2: 364,720 km (0.036 R)
• M3: 630,555 km (0.093 R)
• M4: 919,578 km (0.103 R)
• M5: 1,210,097 km (0.057 R)
• M6: 2,298,122 km (0.086 R)
• M7: 2,593,877 km (0.076 R)
• M8: 3,215,905 km (0.075 R)
• M9: 4,226,289 km (0.111 R)
• M10: 4,513,966 km (0.066 R)
• M11: 5,128,963 km (0.079 R)
• M12: 5,390,161 km (0.111 R)
• M13: 7,095,427 km (0.097 R)
• M14: 7,840,424 km (0.109 R)
• M15: 8,158,469 km (0.119 R)
• M16: 9,196,230 km (0.084 R)
• M17: 10,631,771 km (0.093 R)
• M18: 11,384,548 km (0.042 R)
• M19: 12,717,465 km (0.054 R)
• M20: 13,856,353 km (0.084 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 890

Radius: 12.6

Gravity: 5.61 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 2 AU - 2.18 AU

Year: 2086 Days

Day: 8.3 Hours

Environment

Temp: -199 °C

Axial Tilt: 41.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 56,448,692 km

• M1: 156,629 km (0.117 R)
• M2: 679,324 km (0.086 R)
• M3: 1,095,505 km (0.111 R)
• M4: 1,498,223 km (0.09 R)
• M5: 1,990,400 km (0.105 R)
• M6: 2,491,553 km (0.039 R)
• M7: 2,965,179 km (0.088 R)
• M8: 4,235,565 km (0.099 R)
• M9: 5,281,702 km (0.113 R)
• M10: 6,332,179 km (0.098 R)
• M11: 7,020,778 km (0.046 R)
• M12: 7,517,143 km (0.098 R)
• M13: 8,036,846 km (0.103 R)
• M14: 8,547,873 km (0.112 R)
• M15: 9,217,024 km (0.085 R)
• M16: 10,472,150 km (0.093 R)
• M17: 11,595,780 km (0.102 R)
• M18: 12,001,489 km (0.106 R)
• M19: 13,144,267 km (0.092 R)
• M20: 13,809,679 km (0.109 R)
• M21: 14,731,950 km (0.084 R)
• M22: 16,241,990 km (0.058 R)
• M23: 16,853,397 km (0.116 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 450.3

Radius: 9.7

Gravity: 4.79 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 2.4 AU - 3.56 AU

Year: 3551 Days

Day: 12.2 Hours

Environment

Temp: -206 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 56,448,692 km

• M1: 121,922 km (0.101 R)
• M2: 676,033 km (0.085 R)
• M3: 1,278,912 km (0.069 R)
• M4: 1,638,246 km (0.109 R)
• M5: 2,535,385 km (0.083 R)
• M6: 3,730,672 km (0.084 R)
• M7: 4,344,771 km (0.097 R)
• M8: 5,266,892 km (0.079 R)
• M9: 5,879,795 km (0.08 R)
• M10: 6,258,726 km (0.082 R)
• M11: 6,976,198 km (0.111 R)
• M12: 7,876,178 km (0.096 R)
• M13: 8,506,434 km (0.096 R)
• M14: 11,000,380 km (0.093 R)
• M15: 11,661,304 km (0.096 R)
• M16: 12,524,334 km (0.102 R)
• M17: 14,040,658 km (0.041 R)
• M18: 14,425,872 km (0.047 R)
• M19: 14,967,267 km (0.12 R)
• M20: 16,353,441 km (0.117 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 399.4

Radius: 8

Gravity: 6.24 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 4.24 AU - 5.77 AU

Year: 7717 Days

Day: 12.6 Hours

Environment

Temp: -223 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 56,448,692 km

• M1: 99,483 km (0.041 R)
• M2: 829,071 km (0.086 R)
• M3: 1,080,994 km (0.103 R)
• M4: 1,589,627 km (0.112 R)
• M5: 2,788,953 km (0.053 R)
• M6: 4,100,178 km (0.067 R)
• M7: 4,529,375 km (0.063 R)
• M8: 5,301,300 km (0.1 R)
• M9: 7,501,436 km (0.113 R)
• M10: 7,989,723 km (0.047 R)
• M11: 9,669,408 km (0.08 R)
• M12: 16,978,012 km (0.104 R)
• M13: 18,351,171 km (0.079 R)
• M14: 23,383,793 km (0.069 R)
• M15: 27,293,982 km (0.054 R)
• M16: 30,852,616 km (0.111 R)
• M17: 31,138,647 km (0.109 R)
• M18: 32,693,567 km (0.087 R)
• M19: 32,990,669 km (0.046 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 479.9

Radius: 6.6

Gravity: 11.02 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 7.67 AU - 8.09 AU

Year: 15269 Days

Day: 16.2 Hours

Environment

Temp: -228 °C

Axial Tilt: 43.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 56,448,692 km

• M1: 82,129 km (0.12 R)
• M2: 317,297 km (0.106 R)
• M3: 732,730 km (0.115 R)
• M4: 1,131,110 km (0.092 R)
• M5: 1,650,065 km (0.064 R)
• M6: 2,437,249 km (0.084 R)
• M7: 2,668,377 km (0.083 R)
• M8: 3,555,941 km (0.113 R)
• M9: 4,024,033 km (0.118 R)
• M10: 4,689,893 km (0.101 R)
• M11: 6,672,963 km (0.093 R)
• M12: 7,255,497 km (0.07 R)
• M13: 8,713,478 km (0.098 R)
• M14: 11,366,745 km (0.103 R)
• M15: 14,582,950 km (0.025 R)
• M16: 15,921,701 km (0.116 R)
• M17: 18,438,536 km (0.08 R)
• M18: 21,296,603 km (0.092 R)
• M19: 22,463,317 km (0.103 R)
• M20: 23,015,932 km (0.11 R)
• M21: 26,523,553 km (0.092 R)
• M22: 31,848,040 km (0.066 R)
• M23: 35,684,777 km (0.091 R)
• M24: 36,563,365 km (0.107 R)
• M25: 40,087,293 km (0.113 R)
• M26: 41,173,373 km (0.11 R)
• M27: 44,260,924 km (0.105 R)
• M28: 45,274,898 km (0.088 R)
• M29: 46,750,083 km (0.066 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: 252 - 15,216 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit