🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 644.1

Radius: 10.6

Gravity: 5.73 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 0.63 AU - 0.91 AU

Year: 451 Days

Day: 13.3 Hours

Environment

Temp: -153 °C

Axial Tilt: 45 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 76,165,888 km

• M1: 131,796 km (0.09 R)
• M2: 498,311 km (0.109 R)
• M3: 858,542 km (0.097 R)
• M4: 1,191,697 km (0.099 R)
• M5: 1,592,619 km (0.08 R)
• M6: 2,109,031 km (0.107 R)
• M7: 2,487,962 km (0.113 R)
• M8: 2,827,849 km (0.088 R)
• M9: 3,615,033 km (0.049 R)
• M10: 4,040,339 km (0.108 R)
• M11: 4,470,134 km (0.082 R)
• M12: 5,471,243 km (0.085 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 824.6

Radius: 14.2

Gravity: 4.09 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 0.59 AU - 0.95 AU

Year: 451 Days

Day: 6.1 Hours

Environment

Temp: -167 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 76,165,888 km

• M1: 176,525 km (0.108 R)
• M2: 807,978 km (0.099 R)
• M3: 1,315,264 km (0.099 R)
• M4: 1,909,168 km (0.116 R)
• M5: 2,530,298 km (0.077 R)
• M6: 3,021,279 km (0.095 R)
• M7: 3,464,836 km (0.078 R)
• M8: 4,383,666 km (0.036 R)
• M9: 5,493,084 km (0.092 R)
• M10: 5,979,277 km (0.078 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 189.3

Radius: 9.2

Gravity: 2.24 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 0.93 AU - 0.93 AU

Year: 598 Days

Day: 9.8 Hours

Environment

Temp: -174 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 76,165,888 km

• M1: 114,442 km (0.068 R)
• M2: 419,472 km (0.115 R)
• M3: 728,990 km (0.06 R)
• M4: 1,193,193 km (0.115 R)
• M5: 1,995,336 km (0.11 R)
• M6: 2,317,570 km (0.11 R)
• M7: 2,674,660 km (0.041 R)
• M8: 3,130,635 km (0.111 R)
• M9: 3,802,927 km (0.096 R)
• M10: 4,160,766 km (0.083 R)
• M11: 4,719,065 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 567.7

Radius: 9.9

Gravity: 5.79 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 1.4 AU - 1.84 AU

Year: 1375 Days

Day: 9.1 Hours

Environment

Temp: -191 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 76,165,888 km

• M1: 123,867 km (0.098 R)
• M2: 463,305 km (0.094 R)
• M3: 838,197 km (0.044 R)
• M4: 1,155,195 km (0.054 R)
• M5: 1,502,711 km (0.111 R)
• M6: 1,870,572 km (0.075 R)
• M7: 2,264,313 km (0.07 R)
• M8: 2,636,363 km (0.117 R)
• M9: 3,177,160 km (0.059 R)
• M10: 3,598,427 km (0.113 R)
• M11: 4,371,998 km (0.08 R)
• M12: 6,837,670 km (0.118 R)
• M13: 7,209,570 km (0.089 R)
• M14: 7,806,316 km (0.087 R)
• M15: 8,240,599 km (0.064 R)
• M16: 9,826,635 km (0.097 R)
• M17: 10,173,254 km (0.105 R)
• M18: 10,527,950 km (0.111 R)
• M19: 10,991,255 km (0.06 R)
• M20: 11,433,616 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 209.8

Radius: 13.1

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 1.59 AU - 2.47 AU

Year: 1929 Days

Day: 11.4 Hours

Environment

Temp: -198 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 76,165,888 km

• M1: 163,062 km (0.09 R)
• M2: 773,870 km (0.106 R)
• M3: 1,315,863 km (0.11 R)
• M4: 2,058,616 km (0.073 R)
• M5: 2,609,884 km (0.104 R)
• M6: 3,372,235 km (0.083 R)
• M7: 3,997,255 km (0.118 R)
• M8: 4,432,735 km (0.025 R)
• M9: 5,107,720 km (0.036 R)
• M10: 7,182,343 km (0.104 R)
• M11: 8,300,737 km (0.095 R)
• M12: 8,958,070 km (0.039 R)
• M13: 10,407,973 km (0.032 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 408.1

Radius: 6.5

Gravity: 9.66 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 6.49 AU - 7.43 AU

Year: 12245 Days

Day: 20.5 Hours

Environment

Temp: -229 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 76,165,888 km

• M1: 80,783 km (0.091 R)
• M2: 483,650 km (0.11 R)
• M3: 977,772 km (0.082 R)
• M4: 1,204,712 km (0.062 R)
• M5: 1,751,941 km (0.104 R)
• M6: 2,022,862 km (0.042 R)
• M7: 2,396,109 km (0.102 R)
• M8: 3,744,584 km (0.119 R)
• M9: 5,370,564 km (0.092 R)
• M10: 5,910,462 km (0.106 R)
• M11: 9,212,087 km (0.111 R)
• M12: 11,879,866 km (0.106 R)
• M13: 12,503,839 km (0.103 R)
• M14: 15,550,549 km (0.066 R)
• M15: 18,007,395 km (0.077 R)
• M16: 20,070,948 km (0.098 R)
• M17: 23,941,045 km (0.082 R)
• M18: 24,299,332 km (0.108 R)
• M19: 24,570,403 km (0.117 R)
• M20: 25,956,278 km (0.051 R)
• M21: 28,082,063 km (0.077 R)
• M22: 28,883,010 km (0.11 R)
• M23: 30,635,400 km (0.105 R)
• M24: 32,566,858 km (0.06 R)
• M25: 36,198,496 km (0.074 R)
• M26: 39,714,794 km (0.112 R)
• M27: 40,850,840 km (0.069 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 707.8

Radius: 7.4

Gravity: 12.93 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 6.16 AU - 8.02 AU

Year: 12589 Days

Day: 22.8 Hours

Environment

Temp: -230 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 76,165,888 km

• M1: 92,003 km (0.069 R)
• M2: 323,131 km (0.104 R)
• M3: 743,202 km (0.027 R)
• M4: 1,129,913 km (0.112 R)
• M5: 2,573,233 km (0.089 R)
• M6: 3,542,029 km (0.112 R)
• M7: 3,811,455 km (0.063 R)
• M8: 4,483,598 km (0.095 R)
• M9: 8,023,233 km (0.12 R)
• M10: 8,489,679 km (0.105 R)
• M11: 8,778,104 km (0.104 R)
• M12: 11,326,952 km (0.096 R)
• M13: 11,559,427 km (0.106 R)
• M14: 12,336,888 km (0.111 R)
• M15: 12,832,505 km (0.11 R)
• M16: 13,470,391 km (0.108 R)
• M17: 13,995,778 km (0.069 R)
• M18: 15,157,705 km (0.113 R)
• M19: 16,235,109 km (0.116 R)
• M20: 17,057,149 km (0.087 R)
• M21: 22,764,607 km (0.069 R)
• M22: 28,434,217 km (0.079 R)
• M23: 34,246,094 km (0.118 R)
• M24: 44,015,284 km (0.108 R)
• M25: 44,880,259 km (0.109 R)
• M26: 46,051,161 km (0.115 R)
• M27: 46,942,615 km (0.119 R)
• M28: 47,392,605 km (0.075 R)
• M29: 48,301,263 km (0.102 R)
• M30: 54,327,364 km (0.099 R)
• M31: 55,155,837 km (0.051 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 504.5

Radius: 7.7

Gravity: 8.51 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 10.31 AU - 11.09 AU

Year: 23340 Days

Day: 17 Hours

Environment

Temp: -240 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 76,165,888 km

• M1: 97,388 km (0.11 R)
• M2: 368,160 km (0.116 R)
• M3: 810,372 km (0.097 R)
• M4: 1,057,956 km (0.09 R)
• M5: 1,402,181 km (0.066 R)
• M6: 2,191,010 km (0.076 R)
• M7: 2,565,155 km (0.102 R)
• M8: 3,734,412 km (0.109 R)
• M9: 5,611,715 km (0.119 R)
• M10: 5,976,585 km (0.104 R)
• M11: 10,245,958 km (0.031 R)
• M12: 10,915,708 km (0.057 R)
• M13: 13,170,597 km (0.102 R)
• M14: 14,407,023 km (0.047 R)
• M15: 19,573,385 km (0.099 R)
• M16: 21,570,367 km (0.101 R)
• M17: 21,866,422 km (0.112 R)
• M18: 33,488,680 km (0.09 R)
• M19: 36,893,677 km (0.084 R)
• M20: 38,030,172 km (0.107 R)
• M21: 44,541,719 km (0.04 R)
• M22: 50,361,076 km (0.114 R)
• M23: 59,717,824 km (0.11 R)
• M24: 65,316,375 km (0.109 R)
• M25: 75,030,513 km (0.196 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 418 - 19,966 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit