🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 861.5

Radius: 13.5

Gravity: 4.73 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 0.87 AU - 1.01 AU

Year: 579 Days

Day: 13.1 Hours

Environment

Temp: -152 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 48,847,251 km

• M1: 168,746 km (0.099 R)
• M2: 635,043 km (0.068 R)
• M3: 1,092,812 km (0.067 R)
• M4: 1,685,370 km (0.116 R)
• M5: 2,427,225 km (0.107 R)
• M6: 2,903,844 km (0.101 R)
• M7: 3,404,100 km (0.078 R)
• M8: 4,122,020 km (0.085 R)
• M9: 4,806,430 km (0.078 R)
• M10: 5,583,741 km (0.072 R)
• M11: 6,166,873 km (0.074 R)
• M12: 6,790,547 km (0.084 R)
• M13: 7,478,098 km (0.086 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 620

Radius: 8.7

Gravity: 8.19 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 3.02 AU - 4.32 AU

Year: 4470 Days

Day: 7.8 Hours

Environment

Temp: -201 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 48,847,251 km

• M1: 108,907 km (0.1 R)
• M2: 633,697 km (0.051 R)
• M3: 904,768 km (0.117 R)
• M4: 1,188,256 km (0.12 R)
• M5: 2,195,498 km (0.067 R)
• M6: 2,685,132 km (0.086 R)
• M7: 3,169,380 km (0.084 R)
• M8: 3,860,822 km (0.108 R)
• M9: 4,173,481 km (0.082 R)
• M10: 4,600,135 km (0.094 R)
• M11: 5,766,848 km (0.117 R)
• M12: 7,285,865 km (0.083 R)
• M13: 7,765,027 km (0.063 R)
• M14: 8,522,890 km (0.106 R)
• M15: 9,528,636 km (0.047 R)
• M16: 10,143,633 km (0.096 R)
• M17: 11,589,945 km (0.097 R)
• M18: 12,675,876 km (0.101 R)
• M19: 14,777,876 km (0.046 R)
• M20: 15,601,861 km (0.099 R)
• M21: 16,167,939 km (0.095 R)
• M22: 17,042,788 km (0.075 R)
• M23: 18,257,672 km (0.098 R)
• M24: 19,399,553 km (0.064 R)
• M25: 20,120,465 km (0.102 R)
• M26: 21,476,869 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 169.8

Radius: 8.3

Gravity: 2.46 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 4.62 AU - 5.82 AU

Year: 7583 Days

Day: 12.1 Hours

Environment

Temp: -224 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 48,847,251 km

• M1: 103,671 km (0.103 R)
• M2: 365,168 km (0.074 R)
• M3: 674,387 km (0.097 R)
• M4: 1,074,711 km (0.064 R)
• M5: 1,460,674 km (0.036 R)
• M6: 2,030,941 km (0.079 R)
• M7: 2,741,979 km (0.085 R)
• M8: 3,072,890 km (0.117 R)
• M9: 3,568,956 km (0.075 R)
• M10: 3,900,166 km (0.051 R)
• M11: 4,320,087 km (0.074 R)
• M12: 7,469,272 km (0.104 R)
• M13: 8,294,753 km (0.057 R)
• M14: 8,619,381 km (0.072 R)
• M15: 9,843,390 km (0.084 R)
• M16: 10,248,651 km (0.065 R)
• M17: 11,755,251 km (0.034 R)
• M18: 12,073,446 km (0.1 R)
• M19: 12,397,325 km (0.094 R)
• M20: 12,870,054 km (0.099 R)
• M21: 14,104,835 km (0.051 R)
• M22: 15,147,981 km (0.119 R)
• M23: 16,750,773 km (0.118 R)
• M24: 17,038,001 km (0.067 R)
• M25: 19,205,225 km (0.116 R)
• M26: 23,933,116 km (0.065 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 65.1

Radius: 11.7

Gravity: 0.48 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 4.73 AU - 6.21 AU

Year: 8134 Days

Day: 13.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 48,847,251 km

• M1: 145,559 km (0.033 R)
• M2: 782,846 km (0.058 R)
• M3: 1,320,052 km (0.096 R)
• M4: 2,509,953 km (0.079 R)
• M5: 3,140,508 km (0.096 R)
• M6: 3,557,138 km (0.109 R)
• M7: 4,050,063 km (0.036 R)
• M8: 5,244,752 km (0.035 R)
• M9: 6,972,906 km (0.12 R)
• M10: 7,966,835 km (0.097 R)
• M11: 16,158,964 km (0.091 R)
• M12: 16,672,234 km (0.116 R)
• M13: 17,355,597 km (0.099 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 588.3

Radius: 4.3

Gravity: 31.82 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 5.56 AU - 7.9 AU

Year: 11101 Days

Day: 15.9 Hours

Environment

Temp: -228 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 48,847,251 km

• M1: 59,540 km (0.074 R)
• M2: 306,077 km (0.072 R)
• M3: 872,156 km (0.071 R)
• M4: 1,887,925 km (0.087 R)
• M5: 2,545,109 km (0.115 R)
• M6: 2,947,826 km (0.095 R)
• M7: 3,668,439 km (0.09 R)
• M8: 5,184,314 km (0.115 R)
• M9: 5,620,093 km (0.076 R)
• M10: 7,483,484 km (0.078 R)
• M11: 8,305,075 km (0.09 R)
• M12: 11,403,247 km (0.072 R)
• M13: 13,268,733 km (0.033 R)
• M14: 13,702,417 km (0.107 R)
• M15: 20,474,114 km (0.084 R)
• M16: 21,136,384 km (0.115 R)
• M17: 23,476,843 km (0.085 R)
• M18: 40,322,610 km (0.114 R)
• M19: 42,819,698 km (0.094 R)
• M20: 46,542,441 km (0.083 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: 381 - 16,396 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit