🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 431.8

Radius: 11.9

Gravity: 3.05 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 0.63 AU - 0.99 AU

Year: 464 Days

Day: 10.3 Hours

Environment

Temp: -144 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 59,464,511 km

• M1: 147,952 km (0.1 R)
• M2: 529,876 km (0.084 R)
• M3: 1,102,686 km (0.117 R)
• M4: 1,550,732 km (0.067 R)
• M5: 1,946,717 km (0.092 R)
• M6: 2,465,074 km (0.095 R)
• M7: 2,857,319 km (0.067 R)
• M8: 3,843,917 km (0.105 R)
• M9: 4,241,399 km (0.088 R)
• M10: 4,694,680 km (0.045 R)
• M11: 5,134,947 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 330.6

Radius: 10.9

Gravity: 2.78 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 0.91 AU - 1.09 AU

Year: 636 Days

Day: 14.4 Hours

Environment

Temp: -156 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 59,464,511 km

• M1: 135,536 km (0.108 R)
• M2: 515,813 km (0.096 R)
• M3: 982,708 km (0.044 R)
• M4: 1,706,463 km (0.051 R)
• M5: 2,266,408 km (0.112 R)
• M6: 2,624,994 km (0.119 R)
• M7: 3,010,807 km (0.102 R)
• M8: 3,458,703 km (0.116 R)
• M9: 4,003,688 km (0.11 R)
• M10: 4,546,878 km (0.095 R)
• M11: 5,314,764 km (0.048 R)
• M12: 5,954,444 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 812

Radius: 13.2

Gravity: 4.66 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 2.07 AU - 2.09 AU

Year: 1907 Days

Day: 6.9 Hours

Environment

Temp: -193 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 59,464,511 km

• M1: 164,558 km (0.07 R)
• M2: 669,750 km (0.119 R)
• M3: 1,121,386 km (0.084 R)
• M4: 1,660,836 km (0.054 R)
• M5: 2,219,883 km (0.098 R)
• M6: 3,118,667 km (0.048 R)
• M7: 3,548,013 km (0.104 R)
• M8: 4,426,003 km (0.036 R)
• M9: 5,655,996 km (0.101 R)
• M10: 6,454,849 km (0.114 R)
• M11: 7,130,134 km (0.086 R)
• M12: 8,063,026 km (0.076 R)
• M13: 9,612,860 km (0.109 R)
• M14: 10,422,334 km (0.093 R)
• M15: 12,017,347 km (0.05 R)
• M16: 13,252,427 km (0.101 R)
• M17: 14,752,744 km (0.105 R)
• M18: 15,355,473 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 243.3

Radius: 9.9

Gravity: 2.48 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 3.34 AU - 3.96 AU

Year: 4434 Days

Day: 7.2 Hours

Environment

Temp: -211 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 59,464,511 km

• M1: 123,418 km (0.102 R)
• M2: 626,665 km (0.086 R)
• M3: 1,242,410 km (0.109 R)
• M4: 1,628,822 km (0.077 R)
• M5: 2,185,625 km (0.118 R)
• M6: 3,549,359 km (0.034 R)
• M7: 3,970,028 km (0.099 R)
• M8: 4,843,231 km (0.065 R)
• M9: 5,337,652 km (0.08 R)
• M10: 6,594,723 km (0.096 R)
• M11: 7,054,886 km (0.098 R)
• M12: 7,659,860 km (0.102 R)
• M13: 8,631,947 km (0.096 R)
• M14: 11,057,227 km (0.072 R)
• M15: 12,642,666 km (0.104 R)
• M16: 13,719,172 km (0.099 R)
• M17: 14,661,938 km (0.112 R)
• M18: 16,623,615 km (0.075 R)
• M19: 16,940,313 km (0.077 R)
• M20: 19,097,664 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 345.5

Radius: 10.2

Gravity: 3.32 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 3.86 AU - 6 AU

Year: 6960 Days

Day: 14.1 Hours

Environment

Temp: -221 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 59,464,511 km

• M1: 130,599 km (0.052 R)
• M2: 524,041 km (0.12 R)
• M3: 1,208,900 km (0.111 R)
• M4: 1,725,611 km (0.089 R)
• M5: 2,974,754 km (0.105 R)
• M6: 3,510,015 km (0.05 R)
• M7: 3,992,618 km (0.099 R)
• M8: 6,412,214 km (0.1 R)
• M9: 9,801,802 km (0.073 R)
• M10: 14,616,161 km (0.07 R)
• M11: 20,669,788 km (0.026 R)
• M12: 28,296,886 km (0.04 R)
• M13: 28,642,756 km (0.111 R)
• M14: 29,697,720 km (0.047 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 838.5

Radius: 6

Gravity: 23.29 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 6.28 AU - 8.28 AU

Year: 12489 Days

Day: 18.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 59,464,511 km

• M1: 75,397 km (0.115 R)
• M2: 275,110 km (0.057 R)
• M3: 463,005 km (0.1 R)
• M4: 715,676 km (0.083 R)
• M5: 1,282,951 km (0.099 R)
• M6: 1,759,720 km (0.085 R)
• M7: 2,002,517 km (0.116 R)
• M8: 3,034,443 km (0.119 R)
• M9: 3,490,268 km (0.115 R)
• M10: 4,997,018 km (0.116 R)
• M11: 6,201,430 km (0.091 R)
• M12: 8,377,182 km (0.104 R)
• M13: 8,668,449 km (0.089 R)
• M14: 9,955,589 km (0.064 R)
• M15: 12,396,577 km (0.071 R)
• M16: 13,357,145 km (0.105 R)
• M17: 16,840,382 km (0.032 R)
• M18: 17,382,824 km (0.077 R)
• M19: 22,426,965 km (0.106 R)
• M20: 28,475,506 km (0.079 R)
• M21: 29,134,335 km (0.106 R)
• M22: 44,387,932 km (0.051 R)
• M23: 47,845,289 km (0.094 R)
• M24: 54,110,747 km (0.095 R)
• M25: 56,143,183 km (0.099 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: 184 - 18,517 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit