🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 885.4

Radius: 13.3

Gravity: 5.01 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 0.63 AU - 0.71 AU

Year: 372 Days

Day: 7.8 Hours

Environment

Temp: -165 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 57,469,142 km

• M1: 165,455 km (0.09 R)
• M2: 637,137 km (0.071 R)
• M3: 1,136,944 km (0.059 R)
• M4: 1,950,607 km (0.053 R)
• M5: 2,512,197 km (0.119 R)
• M6: 3,070,496 km (0.08 R)
• M7: 3,735,908 km (0.09 R)
• M8: 4,905,613 km (0.075 R)
• M9: 5,340,494 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 824.3

Radius: 8.6

Gravity: 11.15 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 0.75 AU - 0.87 AU

Year: 494 Days

Day: 13 Hours

Environment

Temp: -161 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 57,469,142 km

• M1: 106,962 km (0.093 R)
• M2: 387,010 km (0.082 R)
• M3: 723,007 km (0.026 R)
• M4: 1,695,093 km (0.108 R)
• M5: 2,641,150 km (0.12 R)
• M6: 3,660,361 km (0.106 R)
• M7: 4,652,045 km (0.098 R)
• M8: 5,085,430 km (0.106 R)
• M9: 5,406,317 km (0.093 R)
• M10: 6,145,181 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 986.1

Radius: 13.6

Gravity: 5.33 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 1.93 AU - 2.21 AU

Year: 2020 Days

Day: 13.5 Hours

Environment

Temp: -198 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 57,469,142 km

• M1: 169,195 km (0.054 R)
• M2: 610,210 km (0.116 R)
• M3: 1,785,151 km (0.1 R)
• M4: 2,886,940 km (0.118 R)
• M5: 3,790,212 km (0.087 R)
• M6: 4,339,385 km (0.056 R)
• M7: 5,077,651 km (0.082 R)
• M8: 5,772,084 km (0.1 R)
• M9: 7,003,275 km (0.096 R)
• M10: 7,865,407 km (0.082 R)
• M11: 8,435,226 km (0.069 R)
• M12: 9,032,570 km (0.117 R)
• M13: 9,729,247 km (0.093 R)
• M14: 10,274,980 km (0.071 R)
• M15: 10,802,761 km (0.083 R)
• M16: 11,508,115 km (0.087 R)
• M17: 13,185,407 km (0.071 R)
• M18: 13,673,993 km (0.073 R)
• M19: 16,453,522 km (0.103 R)
• M20: 17,334,952 km (0.071 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 691.3

Radius: 8.7

Gravity: 9.13 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 2.27 AU - 2.33 AU

Year: 2366 Days

Day: 5.7 Hours

Environment

Temp: -203 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 57,469,142 km

• M1: 108,309 km (0.117 R)
• M2: 393,891 km (0.072 R)
• M3: 685,158 km (0.1 R)
• M4: 1,295,966 km (0.114 R)
• M5: 1,697,637 km (0.112 R)
• M6: 2,055,325 km (0.09 R)
• M7: 3,117,021 km (0.097 R)
• M8: 3,620,418 km (0.111 R)
• M9: 4,767,535 km (0.097 R)
• M10: 5,806,492 km (0.117 R)
• M11: 6,140,544 km (0.064 R)
• M12: 8,651,694 km (0.08 R)
• M13: 8,952,385 km (0.073 R)
• M14: 9,574,862 km (0.098 R)
• M15: 10,152,160 km (0.057 R)
• M16: 10,867,537 km (0.084 R)
• M17: 12,440,709 km (0.105 R)
• M18: 13,128,111 km (0.117 R)
• M19: 14,206,263 km (0.107 R)
• M20: 15,833,289 km (0.095 R)
• M21: 16,950,037 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 860.6

Radius: 8.2

Gravity: 12.8 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 2.63 AU - 3.01 AU

Year: 3212 Days

Day: 10.1 Hours

Environment

Temp: -214 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 57,469,142 km

• M1: 102,026 km (0.069 R)
• M2: 536,458 km (0.096 R)
• M3: 871,408 km (0.106 R)
• M4: 1,480,421 km (0.087 R)
• M5: 2,062,955 km (0.054 R)
• M6: 2,892,026 km (0.111 R)
• M7: 3,577,483 km (0.081 R)
• M8: 4,670,296 km (0.084 R)
• M9: 5,190,298 km (0.056 R)
• M10: 6,890,029 km (0.032 R)
• M11: 7,334,634 km (0.056 R)
• M12: 8,351,900 km (0.092 R)
• M13: 10,705,672 km (0.104 R)
• M14: 11,129,782 km (0.093 R)
• M15: 13,863,983 km (0.117 R)
• M16: 15,359,363 km (0.081 R)
• M17: 16,619,575 km (0.084 R)
• M18: 17,594,206 km (0.098 R)
• M19: 18,065,888 km (0.113 R)
• M20: 19,720,291 km (0.111 R)
• M21: 20,877,879 km (0.077 R)
• M22: 21,876,445 km (0.102 R)
• M23: 23,398,304 km (0.114 R)
• M24: 23,753,898 km (0.104 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 223.6

Radius: 4.5

Gravity: 11.04 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 8.27 AU - 12.67 AU

Year: 22978 Days

Day: 22.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 57,469,142 km

• M1: 58,044 km (0.1 R)
• M2: 249,679 km (0.055 R)
• M3: 488,287 km (0.043 R)
• M4: 675,734 km (0.036 R)
• M5: 2,434,107 km (0.101 R)
• M6: 2,602,853 km (0.092 R)
• M7: 3,256,297 km (0.097 R)
• M8: 3,869,947 km (0.106 R)
• M9: 6,405,332 km (0.106 R)
• M10: 6,565,402 km (0.09 R)
• M11: 10,411,114 km (0.09 R)
• M12: 11,609,244 km (0.09 R)
• M13: 16,189,781 km (0.111 R)
• M14: 18,268,294 km (0.079 R)
• M15: 20,173,722 km (0.105 R)
• M16: 21,485,246 km (0.081 R)
• M17: 24,374,131 km (0.073 R)
• M18: 30,117,941 km (0.072 R)
• M19: 46,385,812 km (0.099 R)
• M20: 51,649,263 km (0.069 R)
• M21: 54,590,507 km (0.092 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 219 - 12,642 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit