🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.56 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 812.4

Radius: 11.5

Gravity: 6.14 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 0.93 AU - 1.31 AU

Year: 818 Days

Day: 6 Hours

Environment

Temp: -178 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 38,418,160 km

• M1: 143,016 km (0.08 R)
• M2: 533,167 km (0.113 R)
• M3: 961,914 km (0.057 R)
• M4: 1,467,406 km (0.074 R)
• M5: 1,896,602 km (0.094 R)
• M6: 2,777,733 km (0.049 R)
• M7: 3,346,205 km (0.097 R)
• M8: 3,792,156 km (0.052 R)
• M9: 4,804,635 km (0.059 R)
• M10: 5,355,454 km (0.061 R)
• M11: 6,453,054 km (0.032 R)
• M12: 7,194,311 km (0.1 R)
• M13: 7,941,403 km (0.109 R)
• M14: 8,346,813 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 362.8

Radius: 13.1

Gravity: 2.11 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 1.22 AU - 1.88 AU

Year: 1332 Days

Day: 8.7 Hours

Environment

Temp: -189 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 38,418,160 km

• M1: 162,912 km (0.114 R)
• M2: 571,613 km (0.115 R)
• M3: 1,243,009 km (0.119 R)
• M4: 1,891,964 km (0.101 R)
• M5: 2,432,910 km (0.069 R)
• M6: 3,169,530 km (0.043 R)
• M7: 3,846,610 km (0.113 R)
• M8: 5,956,838 km (0.092 R)
• M9: 6,470,856 km (0.114 R)
• M10: 6,921,893 km (0.093 R)
• M11: 8,116,432 km (0.095 R)
• M12: 9,616,002 km (0.055 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 287.4

Radius: 10

Gravity: 2.87 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 1.62 AU - 2.06 AU

Year: 1723 Days

Day: 8.4 Hours

Environment

Temp: -195 °C

Axial Tilt: 43.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 38,418,160 km

• M1: 124,615 km (0.07 R)
• M2: 501,452 km (0.081 R)
• M3: 949,946 km (0.049 R)
• M4: 1,272,180 km (0.067 R)
• M5: 1,769,144 km (0.1 R)
• M6: 2,169,618 km (0.099 R)
• M7: 2,533,141 km (0.03 R)
• M8: 3,764,780 km (0.059 R)
• M9: 4,156,876 km (0.077 R)
• M10: 5,257,916 km (0.098 R)
• M11: 5,833,868 km (0.098 R)
• M12: 6,635,713 km (0.073 R)
• M13: 7,509,364 km (0.059 R)
• M14: 8,651,095 km (0.097 R)
• M15: 9,220,016 km (0.113 R)
• M16: 10,058,213 km (0.074 R)
• M17: 10,591,380 km (0.068 R)
• M18: 11,011,750 km (0.064 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 38.1

Radius: 10.4

Gravity: 0.35 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 1.91 AU - 2.57 AU

Year: 2314 Days

Day: 6.9 Hours

Environment

Temp: -207 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 38,418,160 km

• M1: 137,630 km (0.075 R)
• M2: 891,903 km (0.117 R)
• M3: 2,201,333 km (0.111 R)
• M4: 3,053,293 km (0.091 R)
• M5: 4,270,570 km (0.098 R)
• M6: 5,029,780 km (0.077 R)
• M7: 5,714,339 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 339.2

Radius: 9.4

Gravity: 3.84 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 2.82 AU - 3.7 AU

Year: 4063 Days

Day: 13.6 Hours

Environment

Temp: -204 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 38,418,160 km

• M1: 116,836 km (0.075 R)
• M2: 501,901 km (0.045 R)
• M3: 807,529 km (0.089 R)
• M4: 1,279,062 km (0.101 R)
• M5: 2,104,244 km (0.098 R)
• M6: 2,641,001 km (0.092 R)
• M7: 3,042,222 km (0.113 R)
• M8: 3,447,034 km (0.118 R)
• M9: 4,518,304 km (0.11 R)
• M10: 4,835,302 km (0.08 R)
• M11: 5,564,891 km (0.108 R)
• M12: 6,765,564 km (0.119 R)
• M13: 8,601,578 km (0.056 R)
• M14: 9,125,769 km (0.068 R)
• M15: 10,238,329 km (0.091 R)
• M16: 10,827,445 km (0.091 R)
• M17: 12,820,388 km (0.096 R)
• M18: 13,597,998 km (0.117 R)
• M19: 13,974,535 km (0.114 R)
• M20: 15,146,485 km (0.112 R)
• M21: 15,500,284 km (0.053 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 225.1

Radius: 12.2

Gravity: 1.51 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 4.12 AU - 4.44 AU

Year: 6112 Days

Day: 7.2 Hours

Environment

Temp: -221 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 38,418,160 km

• M1: 151,842 km (0.1 R)
• M2: 607,367 km (0.119 R)
• M3: 1,041,650 km (0.049 R)
• M4: 1,712,596 km (0.069 R)
• M5: 2,337,616 km (0.115 R)
• M6: 2,835,478 km (0.092 R)
• M7: 3,899,717 km (0.071 R)
• M8: 5,188,204 km (0.12 R)
• M9: 5,765,801 km (0.106 R)
• M10: 6,562,559 km (0.113 R)
• M11: 7,334,784 km (0.076 R)
• M12: 8,986,643 km (0.052 R)
• M13: 10,666,029 km (0.07 R)
• M14: 12,045,172 km (0.097 R)
• M15: 12,965,498 km (0.081 R)
• M16: 14,484,066 km (0.071 R)
• M17: 17,292,616 km (0.088 R)
• M18: 18,106,877 km (0.086 R)
• M19: 19,562,016 km (0.073 R)
• M20: 21,956,031 km (0.105 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 347.9

Radius: 4.7

Gravity: 15.75 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 5.37 AU - 6.57 AU

Year: 10069 Days

Day: 22.5 Hours

Environment

Temp: -230 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 38,418,160 km

• M1: 58,493 km (0.09 R)
• M2: 240,404 km (0.062 R)
• M3: 629,508 km (0.099 R)
• M4: 955,781 km (0.103 R)
• M5: 1,893,311 km (0.104 R)
• M6: 2,179,940 km (0.117 R)
• M7: 2,531,944 km (0.114 R)
• M8: 2,961,739 km (0.104 R)
• M9: 3,303,869 km (0.103 R)
• M10: 3,507,621 km (0.101 R)
• M11: 4,824,681 km (0.094 R)
• M12: 6,098,656 km (0.055 R)
• M13: 6,580,810 km (0.12 R)
• M14: 7,659,561 km (0.053 R)
• M15: 11,187,228 km (0.102 R)
• M16: 11,544,019 km (0.088 R)
• M17: 13,729,943 km (0.069 R)
• M18: 17,776,416 km (0.092 R)
• M19: 19,332,682 km (0.112 R)
• M20: 23,285,058 km (0.099 R)
• M21: 25,231,476 km (0.087 R)
• M22: 27,836,723 km (0.117 R)
• M23: 28,303,319 km (0.12 R)
• M24: 30,516,918 km (0.095 R)
• M25: 31,313,228 km (0.091 R)
• M26: 31,716,544 km (0.072 R)
• M27: 37,391,689 km (0.059 R)
• M28: 38,188,447 km (0.09 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 510 - 19,310 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit