🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 355

Radius: 9.2

Gravity: 4.19 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 0.81 AU - 0.85 AU

Year: 481 Days

Day: 7.2 Hours

Environment

Temp: -147 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 38,646,456 km

• M1: 118,182 km (0.058 R)
• M2: 488,437 km (0.099 R)
• M3: 988,393 km (0.104 R)
• M4: 1,340,995 km (0.099 R)
• M5: 1,910,514 km (0.1 R)
• M6: 2,605,397 km (0.048 R)
• M7: 3,181,348 km (0.117 R)
• M8: 3,494,008 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 604.5

Radius: 13.7

Gravity: 3.22 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 1.48 AU - 2.06 AU

Year: 1497 Days

Day: 5.4 Hours

Environment

Temp: -187 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 38,646,456 km

• M1: 170,841 km (0.115 R)
• M2: 894,745 km (0.095 R)
• M3: 1,498,671 km (0.083 R)
• M4: 3,175,364 km (0.044 R)
• M5: 3,881,915 km (0.109 R)
• M6: 4,391,445 km (0.067 R)
• M7: 4,846,672 km (0.098 R)
• M8: 5,632,659 km (0.109 R)
• M9: 6,171,660 km (0.102 R)
• M10: 7,834,590 km (0.056 R)
• M11: 10,560,712 km (0.033 R)
• M12: 11,313,189 km (0.07 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 364.9

Radius: 8.1

Gravity: 5.56 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 3.91 AU - 4.71 AU

Year: 5689 Days

Day: 13.1 Hours

Environment

Temp: -215 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 38,646,456 km

• M1: 100,679 km (0.099 R)
• M2: 441,314 km (0.089 R)
• M3: 931,396 km (0.117 R)
• M4: 1,269,787 km (0.088 R)
• M5: 1,959,433 km (0.078 R)
• M6: 2,687,675 km (0.081 R)
• M7: 5,448,953 km (0.105 R)
• M8: 6,015,480 km (0.104 R)
• M9: 6,434,952 km (0.033 R)
• M10: 7,067,901 km (0.071 R)
• M11: 8,094,292 km (0.099 R)
• M12: 8,831,809 km (0.087 R)
• M13: 9,334,608 km (0.066 R)
• M14: 9,774,874 km (0.06 R)
• M15: 12,520,145 km (0.105 R)
• M16: 12,908,351 km (0.082 R)
• M17: 13,965,260 km (0.083 R)
• M18: 14,277,621 km (0.108 R)
• M19: 14,541,362 km (0.112 R)
• M20: 15,853,485 km (0.067 R)
• M21: 16,136,374 km (0.091 R)
• M22: 16,946,746 km (0.11 R)
• M23: 18,274,577 km (0.117 R)
• M24: 18,585,740 km (0.099 R)
• M25: 18,963,774 km (0.066 R)
• M26: 21,341,034 km (0.108 R)
• M27: 22,672,604 km (0.055 R)
• M28: 23,104,344 km (0.075 R)
• M29: 25,115,538 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 160.1

Radius: 10.8

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 4.56 AU - 5.88 AU

Year: 7583 Days

Day: 9.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 156.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 38,646,456 km

• M1: 134,339 km (0.102 R)
• M2: 476,170 km (0.077 R)
• M3: 1,044,193 km (0.081 R)
• M4: 2,062,207 km (0.114 R)
• M5: 2,419,297 km (0.112 R)
• M6: 3,168,333 km (0.062 R)
• M7: 3,607,403 km (0.053 R)
• M8: 4,065,322 km (0.105 R)
• M9: 4,468,638 km (0.1 R)
• M10: 5,925,721 km (0.096 R)
• M11: 8,581,682 km (0.115 R)
• M12: 9,362,732 km (0.084 R)
• M13: 10,230,998 km (0.113 R)
• M14: 10,684,878 km (0.106 R)
• M15: 11,633,030 km (0.115 R)
• M16: 12,265,081 km (0.088 R)
• M17: 14,146,723 km (0.11 R)
• M18: 18,233,437 km (0.099 R)
• M19: 18,962,876 km (0.114 R)
• M20: 19,838,622 km (0.117 R)
• M21: 20,222,042 km (0.096 R)
• M22: 22,489,048 km (0.056 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 47.8

Radius: 10.9

Gravity: 0.4 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 4.98 AU - 7.16 AU

Year: 9509 Days

Day: 10.2 Hours

Environment

Temp: -224 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 38,646,456 km

• M1: 140,772 km (0.072 R)
• M2: 816,505 km (0.069 R)
• M3: 1,259,464 km (0.089 R)
• M4: 1,641,986 km (0.096 R)
• M5: 2,475,546 km (0.118 R)
• M6: 2,940,346 km (0.07 R)
• M7: 3,889,844 km (0.084 R)
• M8: 4,694,830 km (0.093 R)
• M9: 6,225,366 km (0.081 R)
• M10: 8,584,524 km (0.039 R)
• M11: 11,086,698 km (0.092 R)
• M12: 17,055,803 km (0.062 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 144.1

Radius: 3.7

Gravity: 10.53 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 7.32 AU - 9.7 AU

Year: 15784 Days

Day: 15.3 Hours

Environment

Temp: -237 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 38,646,456 km

• M1: 46,824 km (0.08 R)
• M2: 249,380 km (0.065 R)
• M3: 378,632 km (0.107 R)
• M4: 1,549,834 km (0.115 R)
• M5: 1,831,976 km (0.12 R)
• M6: 2,885,444 km (0.048 R)
• M7: 3,051,198 km (0.109 R)
• M8: 3,424,594 km (0.109 R)
• M9: 3,540,084 km (0.103 R)
• M10: 4,900,078 km (0.085 R)
• M11: 5,858,103 km (0.107 R)
• M12: 7,270,008 km (0.085 R)
• M13: 9,112,754 km (0.095 R)
• M14: 10,355,763 km (0.051 R)
• M15: 11,143,545 km (0.088 R)
• M16: 11,655,619 km (0.07 R)
• M17: 17,599,890 km (0.111 R)
• M18: 18,789,941 km (0.11 R)
• M19: 23,335,622 km (0.107 R)
• M20: 24,769,817 km (0.111 R)
• M21: 26,983,866 km (0.118 R)
• M22: 32,004,669 km (0.096 R)
• M23: 36,154,514 km (0.11 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 465 - 12,748 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit