🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 281.9

Radius: 9.9

Gravity: 2.88 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 0.63 AU - 0.69 AU

Year: 370 Days

Day: 10.8 Hours

Environment

Temp: -161 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 76,312,191 km

• M1: 123,119 km (0.114 R)
• M2: 750,981 km (0.113 R)
• M3: 1,096,253 km (0.047 R)
• M4: 1,549,086 km (0.102 R)
• M5: 1,979,030 km (0.104 R)
• M6: 2,372,772 km (0.1 R)
• M7: 2,892,026 km (0.075 R)
• M8: 3,319,876 km (0.093 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 812.2

Radius: 12.7

Gravity: 5.04 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 0.79 AU - 1.11 AU

Year: 639 Days

Day: 14.4 Hours

Environment

Temp: -170 °C

Axial Tilt: 118.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 76,312,191 km

• M1: 157,975 km (0.098 R)
• M2: 563,984 km (0.104 R)
• M3: 1,110,764 km (0.111 R)
• M4: 1,866,981 km (0.093 R)
• M5: 2,372,173 km (0.096 R)
• M6: 2,839,068 km (0.118 R)
• M7: 3,802,479 km (0.052 R)
• M8: 4,321,733 km (0.077 R)
• M9: 5,145,718 km (0.035 R)
• M10: 5,707,458 km (0.077 R)
• M11: 6,289,693 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 674.2

Radius: 13

Gravity: 3.99 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 1.23 AU - 1.77 AU

Year: 1268 Days

Day: 13.8 Hours

Environment

Temp: -184 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 76,312,191 km

• M1: 161,865 km (0.069 R)
• M2: 711,039 km (0.094 R)
• M3: 1,340,098 km (0.12 R)
• M4: 2,550,793 km (0.102 R)
• M5: 3,018,735 km (0.116 R)
• M6: 3,590,648 km (0.094 R)
• M7: 4,429,144 km (0.088 R)
• M8: 5,373,556 km (0.103 R)
• M9: 6,541,765 km (0.117 R)
• M10: 7,608,697 km (0.097 R)
• M11: 8,645,111 km (0.099 R)
• M12: 9,928,960 km (0.094 R)
• M13: 10,698,941 km (0.093 R)
• M14: 11,166,135 km (0.119 R)

Planet 4 - Ice Giant

Semi-Major Axis: 5.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 269.2

Radius: 3.4

Gravity: 23.29 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 4.32 AU - 6.92 AU

Year: 9196 Days

Day: 21.3 Hours

Environment

Temp: -231 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 76,312,191 km

• M1: 42,486 km (0.111 R)
• M2: 173,085 km (0.117 R)
• M3: 303,534 km (0.081 R)
• M4: 430,094 km (0.081 R)
• M5: 762,500 km (0.055 R)
• M6: 964,757 km (0.065 R)
• M7: 1,277,865 km (0.108 R)
• M8: 2,085,993 km (0.064 R)
• M9: 2,499,032 km (0.096 R)
• M10: 3,228,023 km (0.038 R)
• M11: 4,758,858 km (0.111 R)
• M12: 5,234,878 km (0.119 R)
• M13: 11,078,470 km (0.047 R)
• M14: 11,661,752 km (0.09 R)
• M15: 12,626,808 km (0.118 R)
• M16: 13,534,119 km (0.097 R)
• M17: 14,144,030 km (0.117 R)
• M18: 17,405,263 km (0.117 R)
• M19: 21,060,538 km (0.077 R)
• M20: 21,953,787 km (0.116 R)
• M21: 24,621,266 km (0.041 R)
• M22: 29,380,423 km (0.099 R)
• M23: 29,656,282 km (0.057 R)
• M24: 31,636,210 km (0.113 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 910.2

Radius: 3.2

Gravity: 88.89 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 4.57 AU - 7.51 AU

Year: 10246 Days

Day: 15.1 Hours

Environment

Temp: -217 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 76,312,191 km

• M1: 39,793 km (0.118 R)
• M2: 162,912 km (0.044 R)
• M3: 461,509 km (0.117 R)
• M4: 980,464 km (0.091 R)
• M5: 1,318,256 km (0.099 R)
• M6: 1,680,882 km (0.111 R)
• M7: 2,199,388 km (0.063 R)
• M8: 4,206,393 km (0.066 R)
• M9: 4,755,866 km (0.085 R)
• M10: 5,455,535 km (0.116 R)
• M11: 5,560,852 km (0.112 R)
• M12: 6,221,177 km (0.108 R)
• M13: 6,530,845 km (0.114 R)
• M14: 7,222,884 km (0.118 R)
• M15: 8,189,287 km (0.076 R)
• M16: 8,703,305 km (0.069 R)
• M17: 10,809,344 km (0.086 R)
• M18: 12,856,591 km (0.047 R)
• M19: 14,201,326 km (0.11 R)
• M20: 14,334,019 km (0.094 R)
• M21: 15,566,406 km (0.117 R)
• M22: 18,083,690 km (0.108 R)
• M23: 22,348,127 km (0.064 R)
• M24: 22,981,075 km (0.102 R)
• M25: 23,348,188 km (0.104 R)
• M26: 26,126,969 km (0.109 R)
• M27: 29,332,851 km (0.111 R)
• M28: 31,760,376 km (0.102 R)
• M29: 32,215,752 km (0.079 R)
• M30: 34,677,684 km (0.058 R)
• M31: 34,797,961 km (0.065 R)
• M32: 35,403,533 km (0.063 R)
• M33: 38,408,057 km (0.114 R)
• M34: 40,104,496 km (0.082 R)
• M35: 42,259,902 km (0.04 R)
• M36: 44,067,194 km (0.12 R)
• M37: 44,775,690 km (0.035 R)
• M38: 46,946,953 km (0.117 R)
• M39: 50,256,956 km (0.112 R)
• M40: 52,442,282 km (0.074 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 592.5

Radius: 5.5

Gravity: 19.59 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 6.17 AU - 6.63 AU

Year: 11176 Days

Day: 19.2 Hours

Environment

Temp: -237 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 76,312,191 km

• M1: 73,453 km (0.086 R)
• M2: 309,668 km (0.104 R)
• M3: 570,267 km (0.083 R)
• M4: 931,696 km (0.093 R)
• M5: 1,291,179 km (0.065 R)
• M6: 3,049,553 km (0.035 R)
• M7: 3,478,300 km (0.109 R)
• M8: 3,707,185 km (0.116 R)
• M9: 4,000,696 km (0.118 R)
• M10: 4,943,162 km (0.047 R)
• M11: 6,025,503 km (0.098 R)
• M12: 6,699,292 km (0.108 R)
• M13: 7,054,437 km (0.102 R)
• M14: 7,380,561 km (0.111 R)
• M15: 10,155,601 km (0.082 R)
• M16: 12,001,938 km (0.118 R)
• M17: 12,823,380 km (0.117 R)
• M18: 13,370,758 km (0.088 R)
• M19: 15,924,245 km (0.081 R)
• M20: 18,707,812 km (0.091 R)
• M21: 19,730,014 km (0.096 R)
• M22: 20,214,113 km (0.061 R)
• M23: 20,788,868 km (0.117 R)
• M24: 23,827,201 km (0.049 R)
• M25: 25,977,371 km (0.106 R)
• M26: 26,170,203 km (0.102 R)
• M27: 29,075,393 km (0.116 R)
• M28: 29,387,604 km (0.073 R)
• M29: 30,444,663 km (0.064 R)
• M30: 31,417,498 km (0.102 R)
• M31: 31,636,509 km (0.076 R)
• M32: 35,516,479 km (0.112 R)
• M33: 40,602,807 km (0.115 R)
• M34: 42,178,521 km (0.107 R)
• M35: 46,012,715 km (0.116 R)
• M36: 46,295,155 km (0.102 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 642.9

Radius: 7

Gravity: 13.12 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 8.01 AU - 8.91 AU

Year: 16985 Days

Day: 18.6 Hours

Environment

Temp: -241 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 76,312,191 km

• M1: 87,066 km (0.118 R)
• M2: 335,548 km (0.071 R)
• M3: 1,129,614 km (0.118 R)
• M4: 1,400,386 km (0.105 R)
• M5: 1,834,967 km (0.106 R)
• M6: 3,412,178 km (0.103 R)
• M7: 4,044,827 km (0.089 R)
• M8: 4,486,590 km (0.096 R)
• M9: 5,136,892 km (0.099 R)
• M10: 5,966,561 km (0.039 R)
• M11: 8,081,726 km (0.042 R)
• M12: 14,716,092 km (0.056 R)
• M13: 15,009,154 km (0.068 R)
• M14: 16,065,615 km (0.087 R)
• M15: 19,356,468 km (0.068 R)
• M16: 28,801,629 km (0.119 R)
• M17: 51,535,270 km (0.113 R)
• M18: 53,065,057 km (0.103 R)
• M19: 56,214,990 km (0.041 R)
• M20: 63,850,466 km (0.101 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 728.3

Radius: 7.7

Gravity: 12.28 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 7.21 AU - 11.33 AU

Year: 19482 Days

Day: 23.4 Hours

Environment

Temp: -230 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 76,312,191 km

• M1: 105,317 km (0.111 R)
• M2: 368,759 km (0.073 R)
• M3: 714,629 km (0.055 R)
• M4: 1,786,797 km (0.065 R)
• M5: 2,477,939 km (0.048 R)
• M6: 3,012,752 km (0.099 R)
• M7: 4,019,246 km (0.083 R)
• M8: 4,651,746 km (0.108 R)
• M9: 5,121,483 km (0.076 R)
• M10: 6,948,821 km (0.105 R)
• M11: 9,795,369 km (0.03 R)
• M12: 10,206,016 km (0.109 R)
• M13: 10,628,031 km (0.106 R)
• M14: 12,230,972 km (0.047 R)
• M15: 22,814,124 km (0.103 R)
• M16: 25,681,766 km (0.052 R)
• M17: 28,071,891 km (0.111 R)
• M18: 29,502,196 km (0.104 R)
• M19: 32,121,056 km (0.114 R)
• M20: 34,891,011 km (0.102 R)
• M21: 35,436,145 km (0.086 R)
• M22: 38,103,176 km (0.032 R)
• M23: 40,301,068 km (0.12 R)
• M24: 47,067,529 km (0.062 R)
• M25: 50,284,482 km (0.106 R)
• M26: 52,212,350 km (0.104 R)
• M27: 63,399,877 km (0.117 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 216 - 20,142 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit