🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.17 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 954.5

Radius: 11.6

Gravity: 7.09 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 2.13 AU - 2.53 AU

Year: 2372 Days

Day: 7.2 Hours

Environment

Temp: -207 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 43,142,645 km

• M1: 147,803 km (0.069 R)
• M2: 733,628 km (0.11 R)
• M3: 1,094,608 km (0.108 R)
• M4: 1,939,237 km (0.114 R)
• M5: 2,313,531 km (0.057 R)
• M6: 3,211,268 km (0.12 R)
• M7: 4,139,074 km (0.1 R)
• M8: 4,767,684 km (0.081 R)
• M9: 7,281,676 km (0.098 R)
• M10: 7,970,874 km (0.032 R)
• M11: 9,552,572 km (0.113 R)
• M12: 9,959,927 km (0.072 R)
• M13: 11,917,864 km (0.094 R)
• M14: 12,830,860 km (0.112 R)
• M15: 14,025,249 km (0.05 R)
• M16: 15,799,480 km (0.101 R)
• M17: 16,265,477 km (0.107 R)
• M18: 18,053,172 km (0.061 R)
• M19: 18,448,559 km (0.091 R)
• M20: 19,023,613 km (0.092 R)
• M21: 19,729,266 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 903.4

Radius: 14.1

Gravity: 4.54 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 2.27 AU - 2.97 AU

Year: 2828 Days

Day: 6.4 Hours

Environment

Temp: -205 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 43,142,645 km

• M1: 175,478 km (0.036 R)
• M2: 690,095 km (0.102 R)
• M3: 1,163,871 km (0.076 R)
• M4: 1,602,792 km (0.03 R)
• M5: 2,405,833 km (0.115 R)
• M6: 2,967,573 km (0.113 R)
• M7: 3,558,933 km (0.053 R)
• M8: 4,185,599 km (0.098 R)
• M9: 4,790,573 km (0.103 R)
• M10: 6,205,469 km (0.082 R)
• M11: 7,850,298 km (0.079 R)
• M12: 9,318,451 km (0.044 R)
• M13: 10,196,591 km (0.071 R)
• M14: 10,839,563 km (0.085 R)
• M15: 12,430,237 km (0.071 R)
• M16: 15,333,333 km (0.099 R)
• M17: 17,674,091 km (0.106 R)
• M18: 21,325,775 km (0.031 R)
• M19: 22,378,794 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 173.8

Radius: 14.6

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 3.02 AU - 3.84 AU

Year: 4236 Days

Day: 10.1 Hours

Environment

Temp: -224 °C

Axial Tilt: 149.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 43,142,645 km

• M1: 181,612 km (0.075 R)
• M2: 715,975 km (0.101 R)
• M3: 1,436,140 km (0.087 R)
• M4: 2,260,424 km (0.094 R)
• M5: 3,301,176 km (0.117 R)
• M6: 4,237,060 km (0.095 R)
• M7: 4,940,320 km (0.118 R)
• M8: 5,577,009 km (0.118 R)
• M9: 6,216,988 km (0.116 R)
• M10: 7,212,113 km (0.119 R)
• M11: 8,373,292 km (0.089 R)
• M12: 10,398,997 km (0.112 R)
• M13: 10,990,357 km (0.078 R)
• M14: 11,721,891 km (0.104 R)
• M15: 15,023,965 km (0.114 R)
• M16: 15,541,723 km (0.051 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 884

Radius: 13.2

Gravity: 5.07 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 3.53 AU - 3.91 AU

Year: 4785 Days

Day: 13 Hours

Environment

Temp: -228 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 43,142,645 km

• M1: 164,258 km (0.068 R)
• M2: 603,179 km (0.117 R)
• M3: 1,423,424 km (0.056 R)
• M4: 3,378,070 km (0.047 R)
• M5: 7,587,903 km (0.073 R)
• M6: 9,759,167 km (0.097 R)
• M7: 10,964,626 km (0.119 R)
• M8: 11,627,644 km (0.098 R)
• M9: 12,417,970 km (0.071 R)
• M10: 12,929,894 km (0.12 R)
• M11: 18,521,563 km (0.04 R)
• M12: 21,440,816 km (0.115 R)
• M13: 22,857,059 km (0.067 R)
• M14: 24,734,213 km (0.108 R)
• M15: 25,958,372 km (0.092 R)
• M16: 27,222,624 km (0.069 R)
• M17: 28,087,898 km (0.086 R)
• M18: 30,516,170 km (0.083 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 470.5

Radius: 10.2

Gravity: 4.52 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 4.64 AU - 5.34 AU

Year: 7433 Days

Day: 9.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 42 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 43,142,645 km

• M1: 126,859 km (0.112 R)
• M2: 629,209 km (0.052 R)
• M3: 978,968 km (0.075 R)
• M4: 1,302,848 km (0.067 R)
• M5: 1,794,426 km (0.093 R)
• M6: 2,440,839 km (0.094 R)
• M7: 2,856,871 km (0.103 R)
• M8: 3,256,746 km (0.106 R)
• M9: 4,047,221 km (0.119 R)
• M10: 4,822,287 km (0.114 R)
• M11: 5,245,500 km (0.102 R)
• M12: 6,199,037 km (0.093 R)
• M13: 7,228,270 km (0.082 R)
• M14: 8,288,021 km (0.097 R)
• M15: 9,448,302 km (0.118 R)
• M16: 10,387,179 km (0.101 R)
• M17: 15,305,358 km (0.067 R)
• M18: 16,535,352 km (0.102 R)
• M19: 18,844,844 km (0.12 R)
• M20: 26,183,068 km (0.092 R)
• M21: 27,939,048 km (0.112 R)
• M22: 28,390,086 km (0.105 R)
• M23: 29,959,816 km (0.083 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 488.1

Radius: 11.2

Gravity: 3.89 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 4.83 AU - 5.77 AU

Year: 8137 Days

Day: 9.2 Hours

Environment

Temp: -232 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 43,142,645 km

• M1: 139,575 km (0.111 R)
• M2: 2,084,048 km (0.12 R)
• M3: 3,437,310 km (0.118 R)
• M4: 4,433,034 km (0.062 R)
• M5: 5,705,064 km (0.074 R)
• M6: 7,169,628 km (0.108 R)
• M7: 7,658,214 km (0.041 R)
• M8: 8,168,941 km (0.119 R)
• M9: 9,302,444 km (0.111 R)
• M10: 9,793,275 km (0.078 R)
• M11: 10,537,973 km (0.072 R)
• M12: 10,973,153 km (0.043 R)
• M13: 13,110,009 km (0.066 R)
• M14: 16,201,599 km (0.1 R)
• M15: 24,703,246 km (0.107 R)
• M16: 27,693,558 km (0.042 R)
• M17: 33,753,618 km (0.043 R)
• M18: 34,594,807 km (0.09 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 783.4

Radius: 9.7

Gravity: 8.33 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 4.98 AU - 6.38 AU

Year: 9027 Days

Day: 13.1 Hours

Environment

Temp: -233 °C

Axial Tilt: 44.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 43,142,645 km

• M1: 120,576 km (0.072 R)
• M2: 941,419 km (0.032 R)
• M3: 1,331,720 km (0.067 R)
• M4: 1,679,685 km (0.063 R)
• M5: 2,299,469 km (0.109 R)
• M6: 2,622,899 km (0.113 R)
• M7: 3,315,687 km (0.079 R)
• M8: 3,655,125 km (0.114 R)
• M9: 3,964,643 km (0.12 R)
• M10: 4,577,844 km (0.054 R)
• M11: 6,462,329 km (0.105 R)
• M12: 7,932,726 km (0.026 R)
• M13: 8,543,385 km (0.052 R)
• M14: 9,422,123 km (0.078 R)
• M15: 9,858,799 km (0.107 R)
• M16: 10,616,662 km (0.09 R)
• M17: 14,166,170 km (0.111 R)
• M18: 17,406,311 km (0.06 R)
• M19: 18,064,541 km (0.12 R)
• M20: 18,587,835 km (0.051 R)
• M21: 24,938,713 km (0.095 R)
• M22: 25,308,220 km (0.054 R)
• M23: 28,097,173 km (0.119 R)
• M24: 31,513,091 km (0.038 R)
• M25: 41,179,656 km (0.118 R)
• M26: 42,347,716 km (0.091 R)
• M27: 43,006,246 km (0.106 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 815.4

Radius: 3.1

Gravity: 84.85 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 8.13 AU - 8.73 AU

Year: 16322 Days

Day: 22.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 43,142,645 km

• M1: 39,494 km (0.112 R)
• M2: 163,211 km (0.108 R)
• M3: 728,392 km (0.077 R)
• M4: 952,041 km (0.098 R)
• M5: 1,151,604 km (0.111 R)
• M6: 1,393,355 km (0.046 R)
• M7: 1,719,927 km (0.083 R)
• M8: 2,094,969 km (0.07 R)
• M9: 2,878,712 km (0.062 R)
• M10: 3,840,028 km (0.056 R)
• M11: 4,409,248 km (0.089 R)
• M12: 4,818,847 km (0.105 R)
• M13: 7,069,696 km (0.105 R)
• M14: 7,299,479 km (0.116 R)
• M15: 11,121,405 km (0.105 R)
• M16: 12,267,025 km (0.12 R)
• M17: 13,985,307 km (0.109 R)
• M18: 16,171,829 km (0.073 R)
• M19: 22,760,269 km (0.055 R)
• M20: 23,871,033 km (0.061 R)
• M21: 27,194,499 km (0.065 R)
• M22: 30,935,194 km (0.079 R)
• M23: 33,182,752 km (0.048 R)
• M24: 33,696,621 km (0.061 R)
• M25: 33,826,023 km (0.054 R)
• M26: 38,703,812 km (0.05 R)
• M27: 41,755,010 km (0.091 R)
• M28: 43,415,396 km (0.091 R)
• M29: 45,276,394 km (0.042 R)
• M30: 66,485,782 km (0.049 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 147.1

Radius: 4

Gravity: 9.19 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 8.63 AU - 9.65 AU

Year: 18427 Days

Day: 17.6 Hours

Environment

Temp: -240 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 43,142,645 km

• M1: 49,816 km (0.089 R)
• M2: 265,237 km (0.069 R)
• M3: 432,039 km (0.089 R)
• M4: 739,313 km (0.064 R)
• M5: 879,187 km (0.043 R)
• M6: 2,162,437 km (0.079 R)
• M7: 2,828,447 km (0.045 R)
• M8: 2,976,549 km (0.114 R)
• M9: 3,898,521 km (0.104 R)
• M10: 6,501,673 km (0.097 R)
• M11: 8,114,488 km (0.049 R)
• M12: 8,501,198 km (0.088 R)
• M13: 8,632,844 km (0.058 R)
• M14: 14,329,681 km (0.048 R)
• M15: 14,957,693 km (0.112 R)
• M16: 17,441,317 km (0.09 R)
• M17: 18,669,365 km (0.088 R)
• M18: 23,549,996 km (0.083 R)
• M19: 25,409,049 km (0.033 R)
• M20: 26,420,929 km (0.071 R)
• M21: 30,326,630 km (0.066 R)
• M22: 31,151,363 km (0.081 R)
• M23: 31,569,339 km (0.115 R)
• M24: 34,266,439 km (0.087 R)
• M25: 36,071,039 km (0.083 R)
• M26: 36,879,914 km (0.103 R)
• M27: 37,230,422 km (0.092 R)
• M28: 38,654,145 km (0.114 R)
• M29: 39,015,723 km (0.103 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 208 - 15,046 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit