🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 29.8

Radius: 8.1

Gravity: 0.45 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 0.48 AU - 0.7 AU

Year: 313 Days

Day: 14.8 Hours

Environment

Temp: -142 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 49,792,469 km

• M1: 123,867 km (0.086 R)
• M2: 428,747 km (0.057 R)
• M3: 695,181 km (0.055 R)
• M4: 1,301,801 km (0.077 R)
• M5: 1,599,351 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 541.5

Radius: 12.3

Gravity: 3.58 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 2.14 AU - 2.7 AU

Year: 2599 Days

Day: 6.5 Hours

Environment

Temp: -210 °C

Axial Tilt: 41 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 49,792,469 km

• M1: 153,338 km (0.112 R)
• M2: 567,275 km (0.086 R)
• M3: 953,537 km (0.055 R)
• M4: 1,404,425 km (0.118 R)
• M5: 1,860,998 km (0.074 R)
• M6: 2,698,297 km (0.069 R)
• M7: 3,590,648 km (0.088 R)
• M8: 3,979,752 km (0.032 R)
• M9: 4,542,839 km (0.11 R)
• M10: 5,274,372 km (0.046 R)
• M11: 5,804,547 km (0.118 R)
• M12: 6,860,110 km (0.107 R)
• M13: 7,762,933 km (0.076 R)
• M14: 9,592,814 km (0.063 R)
• M15: 10,949,816 km (0.076 R)
• M16: 11,337,723 km (0.06 R)
• M17: 13,549,378 km (0.06 R)
• M18: 14,639,947 km (0.095 R)
• M19: 15,447,177 km (0.067 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 811.2

Radius: 10.1

Gravity: 7.95 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 2.52 AU - 3.8 AU

Year: 3877 Days

Day: 6.4 Hours

Environment

Temp: -211 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 49,792,469 km

• M1: 125,662 km (0.098 R)
• M2: 1,895,405 km (0.084 R)
• M3: 3,187,631 km (0.066 R)
• M4: 4,212,526 km (0.078 R)
• M5: 6,039,715 km (0.064 R)
• M6: 6,646,933 km (0.085 R)
• M7: 7,227,672 km (0.081 R)
• M8: 10,739,332 km (0.063 R)
• M9: 11,539,531 km (0.065 R)
• M10: 14,336,562 km (0.092 R)
• M11: 18,856,213 km (0.107 R)
• M12: 20,019,785 km (0.099 R)
• M13: 24,697,412 km (0.095 R)
• M14: 26,644,578 km (0.064 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 701.4

Radius: 8.5

Gravity: 9.71 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 2.62 AU - 4.24 AU

Year: 4385 Days

Day: 11.9 Hours

Environment

Temp: -208 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 49,792,469 km

• M1: 106,364 km (0.084 R)
• M2: 434,881 km (0.039 R)
• M3: 783,145 km (0.058 R)
• M4: 1,113,158 km (0.044 R)
• M5: 1,830,779 km (0.114 R)
• M6: 2,238,134 km (0.027 R)
• M7: 2,603,452 km (0.1 R)
• M8: 3,900,016 km (0.111 R)
• M9: 4,727,442 km (0.063 R)
• M10: 5,304,441 km (0.106 R)
• M11: 5,667,067 km (0.106 R)
• M12: 6,410,867 km (0.074 R)
• M13: 6,822,710 km (0.084 R)
• M14: 7,421,850 km (0.104 R)
• M15: 9,271,029 km (0.104 R)
• M16: 9,798,062 km (0.088 R)
• M17: 10,344,992 km (0.064 R)
• M18: 10,823,556 km (0.102 R)
• M19: 11,684,790 km (0.074 R)
• M20: 12,396,428 km (0.095 R)
• M21: 13,136,638 km (0.046 R)
• M22: 14,169,013 km (0.096 R)
• M23: 16,046,616 km (0.087 R)
• M24: 18,209,502 km (0.109 R)
• M25: 18,524,405 km (0.118 R)
• M26: 19,754,848 km (0.109 R)
• M27: 20,764,035 km (0.07 R)
• M28: 21,316,051 km (0.1 R)
• M29: 21,948,850 km (0.071 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 251.3

Radius: 4.2

Gravity: 14.25 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 6.8 AU - 7.98 AU

Year: 13867 Days

Day: 21.3 Hours

Environment

Temp: -226 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 49,792,469 km

• M1: 52,210 km (0.102 R)
• M2: 304,880 km (0.114 R)
• M3: 891,005 km (0.064 R)
• M4: 1,802,206 km (0.106 R)
• M5: 2,158,847 km (0.109 R)
• M6: 3,032,648 km (0.083 R)
• M7: 3,232,212 km (0.107 R)
• M8: 3,416,965 km (0.078 R)
• M9: 3,909,890 km (0.08 R)
• M10: 4,309,615 km (0.097 R)
• M11: 6,361,201 km (0.102 R)
• M12: 6,837,819 km (0.103 R)
• M13: 8,028,020 km (0.104 R)
• M14: 8,805,031 km (0.076 R)
• M15: 10,810,391 km (0.075 R)
• M16: 12,028,267 km (0.11 R)
• M17: 12,248,924 km (0.108 R)
• M18: 14,732,698 km (0.061 R)
• M19: 15,177,003 km (0.058 R)
• M20: 15,761,033 km (0.085 R)
• M21: 17,816,508 km (0.059 R)
• M22: 18,612,967 km (0.116 R)
• M23: 19,281,969 km (0.054 R)
• M24: 21,385,016 km (0.057 R)
• M25: 22,366,976 km (0.106 R)
• M26: 24,508,470 km (0.063 R)
• M27: 24,952,626 km (0.073 R)
• M28: 27,539,322 km (0.097 R)
• M29: 28,504,827 km (0.099 R)
• M30: 28,700,651 km (0.082 R)
• M31: 33,129,795 km (0.057 R)
• M32: 33,346,263 km (0.025 R)
• M33: 35,903,339 km (0.027 R)
• M34: 37,054,794 km (0.088 R)
• M35: 38,588,322 km (0.049 R)
• M36: 41,278,690 km (0.079 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 394.5

Radius: 4.7

Gravity: 17.86 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 5.68 AU - 9.16 AU

Year: 13951 Days

Day: 19.3 Hours

Environment

Temp: -224 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 49,792,469 km

• M1: 58,493 km (0.111 R)
• M2: 247,285 km (0.099 R)
• M3: 493,224 km (0.092 R)
• M4: 647,908 km (0.108 R)
• M5: 1,271,432 km (0.07 R)
• M6: 1,483,412 km (0.11 R)
• M7: 1,911,562 km (0.056 R)
• M8: 3,587,507 km (0.11 R)
• M9: 4,123,965 km (0.08 R)
• M10: 4,441,112 km (0.114 R)
• M11: 5,558,608 km (0.088 R)
• M12: 6,812,238 km (0.11 R)
• M13: 7,674,221 km (0.092 R)
• M14: 9,317,404 km (0.1 R)
• M15: 13,466,052 km (0.114 R)
• M16: 17,485,448 km (0.116 R)
• M17: 18,009,639 km (0.119 R)
• M18: 18,313,921 km (0.076 R)
• M19: 19,168,274 km (0.096 R)
• M20: 24,579,229 km (0.098 R)
• M21: 33,835,448 km (0.108 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 431 - 17,047 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit