🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 557.1

Radius: 8.6

Gravity: 7.53 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 0.74 AU - 0.96 AU

Year: 532 Days

Day: 6.3 Hours

Environment

Temp: -164 °C

Axial Tilt: 48.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 48,471,765 km

• M1: 107,112 km (0.073 R)
• M2: 467,344 km (0.081 R)
• M3: 773,421 km (0.082 R)
• M4: 1,270,684 km (0.105 R)
• M5: 1,646,923 km (0.072 R)
• M6: 2,027,799 km (0.094 R)
• M7: 2,341,805 km (0.099 R)
• M8: 2,709,217 km (0.05 R)
• M9: 3,423,697 km (0.086 R)
• M10: 3,779,291 km (0.109 R)
• M11: 5,189,550 km (0.036 R)
• M12: 6,085,641 km (0.061 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 605.1

Radius: 11.4

Gravity: 4.66 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 0.71 AU - 1.01 AU

Year: 541 Days

Day: 9.9 Hours

Environment

Temp: -159 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 48,471,765 km

• M1: 141,819 km (0.11 R)
• M2: 532,419 km (0.103 R)
• M3: 1,272,180 km (0.048 R)
• M4: 1,720,675 km (0.112 R)
• M5: 2,416,305 km (0.111 R)
• M6: 2,813,936 km (0.082 R)
• M7: 3,243,431 km (0.111 R)
• M8: 3,600,522 km (0.12 R)
• M9: 4,052,756 km (0.073 R)
• M10: 4,424,207 km (0.085 R)
• M11: 5,642,832 km (0.052 R)
• M12: 6,034,329 km (0.063 R)
• M13: 6,405,930 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 933.3

Radius: 8.5

Gravity: 12.92 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 1 AU - 1.24 AU

Year: 804 Days

Day: 8.2 Hours

Environment

Temp: -175 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 48,471,765 km

• M1: 106,663 km (0.12 R)
• M2: 417,677 km (0.081 R)
• M3: 691,142 km (0.117 R)
• M4: 1,009,935 km (0.048 R)
• M5: 1,337,106 km (0.062 R)
• M6: 1,797,867 km (0.068 R)
• M7: 2,394,613 km (0.109 R)
• M8: 2,684,833 km (0.082 R)
• M9: 3,336,631 km (0.05 R)
• M10: 3,655,125 km (0.105 R)
• M11: 3,978,107 km (0.119 R)
• M12: 4,404,311 km (0.08 R)
• M13: 4,878,985 km (0.051 R)
• M14: 6,077,114 km (0.065 R)
• M15: 6,985,921 km (0.086 R)
• M16: 7,316,084 km (0.111 R)
• M17: 7,805,867 km (0.109 R)
• M18: 9,098,393 km (0.103 R)
• M19: 9,781,158 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 991.1

Radius: 9.1

Gravity: 11.97 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 0.99 AU - 1.27 AU

Year: 815 Days

Day: 6.8 Hours

Environment

Temp: -187 °C

Axial Tilt: 48.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 48,471,765 km

• M1: 113,246 km (0.092 R)
• M2: 404,662 km (0.081 R)
• M3: 743,651 km (0.059 R)
• M4: 1,305,840 km (0.119 R)
• M5: 1,762,263 km (0.076 R)
• M6: 2,182,483 km (0.11 R)
• M7: 2,549,447 km (0.06 R)
• M8: 2,892,924 km (0.113 R)
• M9: 3,569,106 km (0.102 R)
• M10: 3,889,545 km (0.058 R)
• M11: 4,518,604 km (0.091 R)
• M12: 5,061,943 km (0.072 R)
• M13: 5,527,342 km (0.103 R)
• M14: 5,915,997 km (0.03 R)
• M15: 6,611,627 km (0.105 R)
• M16: 7,192,067 km (0.083 R)
• M17: 7,655,821 km (0.05 R)
• M18: 9,280,304 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 268.6

Radius: 13.4

Gravity: 1.5 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 1.49 AU - 1.87 AU

Year: 1477 Days

Day: 8.4 Hours

Environment

Temp: -200 °C

Axial Tilt: 42.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 48,471,765 km

• M1: 166,652 km (0.057 R)
• M2: 703,708 km (0.067 R)
• M3: 1,135,448 km (0.091 R)
• M4: 2,155,705 km (0.11 R)
• M5: 2,599,113 km (0.082 R)
• M6: 4,792,368 km (0.093 R)
• M7: 6,021,913 km (0.051 R)
• M8: 6,936,853 km (0.091 R)
• M9: 7,572,644 km (0.088 R)
• M10: 9,601,640 km (0.112 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 773.1

Radius: 4.4

Gravity: 39.93 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 4.7 AU - 6.98 AU

Year: 9572 Days

Day: 21.8 Hours

Environment

Temp: -219 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 48,471,765 km

• M1: 54,753 km (0.102 R)
• M2: 238,459 km (0.115 R)
• M3: 591,660 km (0.102 R)
• M4: 775,515 km (0.048 R)
• M5: 1,050,626 km (0.086 R)
• M6: 1,272,629 km (0.092 R)
• M7: 2,817,676 km (0.079 R)
• M8: 3,515,251 km (0.112 R)
• M9: 4,263,988 km (0.104 R)
• M10: 4,954,233 km (0.083 R)
• M11: 5,962,822 km (0.114 R)
• M12: 6,668,026 km (0.071 R)
• M13: 6,980,985 km (0.07 R)
• M14: 8,331,853 km (0.047 R)
• M15: 9,847,579 km (0.092 R)
• M16: 9,998,523 km (0.071 R)
• M17: 10,253,588 km (0.08 R)
• M18: 12,393,286 km (0.1 R)
• M19: 15,345,899 km (0.06 R)
• M20: 22,072,717 km (0.059 R)
• M21: 27,241,623 km (0.091 R)
• M22: 30,422,971 km (0.083 R)
• M23: 32,157,857 km (0.063 R)
• M24: 41,566,217 km (0.118 R)
• M25: 48,181,884 km (0.064 R)
• M26: 48,326,695 km (0.087 R)
• M27: 48,471,804 km (0.067 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 389 - 17,611 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit