🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 828.1

Radius: 14.1

Gravity: 4.17 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 0.57 AU - 0.57 AU

Year: 297 Days

Day: 7.3 Hours

Environment

Temp: -154 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 38,703,203 km

• M1: 175,628 km (0.088 R)
• M2: 626,067 km (0.113 R)
• M3: 1,082,490 km (0.115 R)
• M4: 1,760,617 km (0.099 R)
• M5: 2,264,762 km (0.025 R)
• M6: 3,004,374 km (0.11 R)
• M7: 3,493,110 km (0.091 R)
• M8: 4,619,881 km (0.073 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 558.2

Radius: 11.1

Gravity: 4.53 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 1.16 AU - 1.74 AU

Year: 1205 Days

Day: 13.9 Hours

Environment

Temp: -184 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 38,703,203 km

• M1: 138,079 km (0.079 R)
• M2: 580,889 km (0.098 R)
• M3: 1,001,558 km (0.107 R)
• M4: 1,391,559 km (0.11 R)
• M5: 1,903,334 km (0.058 R)
• M6: 2,733,602 km (0.114 R)
• M7: 3,168,932 km (0.087 R)
• M8: 3,998,452 km (0.067 R)
• M9: 4,652,045 km (0.111 R)
• M10: 5,785,548 km (0.096 R)
• M11: 6,282,961 km (0.106 R)
• M12: 6,926,830 km (0.117 R)
• M13: 7,314,289 km (0.051 R)
• M14: 7,974,763 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 157.2

Radius: 9.3

Gravity: 1.82 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 3.04 AU - 5.06 AU

Year: 5626 Days

Day: 10.4 Hours

Environment

Temp: -210 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 38,703,203 km

• M1: 115,789 km (0.089 R)
• M2: 426,354 km (0.047 R)
• M3: 817,253 km (0.094 R)
• M4: 1,397,843 km (0.062 R)
• M5: 1,903,483 km (0.104 R)
• M6: 2,863,303 km (0.053 R)
• M7: 3,177,608 km (0.113 R)
• M8: 3,514,802 km (0.12 R)
• M9: 4,475,220 km (0.028 R)
• M10: 5,158,883 km (0.101 R)
• M11: 5,601,393 km (0.043 R)
• M12: 6,534,734 km (0.104 R)
• M13: 7,202,240 km (0.106 R)
• M14: 8,470,531 km (0.114 R)
• M15: 9,734,184 km (0.068 R)
• M16: 11,321,268 km (0.078 R)
• M17: 13,254,371 km (0.108 R)
• M18: 13,851,416 km (0.06 R)
• M19: 14,659,245 km (0.083 R)
• M20: 18,263,058 km (0.052 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 624.4

Radius: 14.3

Gravity: 3.05 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 3.96 AU - 4.4 AU

Year: 5899 Days

Day: 6.6 Hours

Environment

Temp: -226 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 38,703,203 km

• M1: 207,492 km (0.071 R)
• M2: 782,846 km (0.054 R)
• M3: 1,433,297 km (0.063 R)
• M4: 4,670,595 km (0.114 R)
• M5: 6,620,155 km (0.039 R)
• M6: 10,765,661 km (0.096 R)
• M7: 12,929,594 km (0.1 R)
• M8: 14,058,909 km (0.079 R)
• M9: 16,146,547 km (0.099 R)
• M10: 23,330,087 km (0.034 R)
• M11: 24,677,665 km (0.096 R)
• M12: 26,328,776 km (0.062 R)
• M13: 27,701,935 km (0.094 R)
• M14: 28,317,381 km (0.116 R)
• M15: 30,684,019 km (0.071 R)
• M16: 31,819,467 km (0.043 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 313

Radius: 5.7

Gravity: 9.63 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 4.96 AU - 7.5 AU

Year: 10734 Days

Day: 17.8 Hours

Environment

Temp: -229 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 38,703,203 km

• M1: 74,949 km (0.043 R)
• M2: 288,724 km (0.071 R)
• M3: 510,877 km (0.108 R)
• M4: 2,344,947 km (0.11 R)
• M5: 2,599,413 km (0.078 R)
• M6: 3,685,942 km (0.106 R)
• M7: 4,005,483 km (0.118 R)
• M8: 5,378,492 km (0.118 R)
• M9: 8,753,719 km (0.044 R)
• M10: 10,103,541 km (0.066 R)
• M11: 10,341,252 km (0.097 R)
• M12: 11,431,820 km (0.086 R)
• M13: 13,095,947 km (0.064 R)
• M14: 13,897,792 km (0.114 R)
• M15: 18,474,589 km (0.089 R)
• M16: 20,073,940 km (0.1 R)
• M17: 20,830,606 km (0.1 R)
• M18: 23,297,026 km (0.109 R)
• M19: 26,667,915 km (0.119 R)
• M20: 28,421,950 km (0.106 R)
• M21: 29,471,977 km (0.119 R)
• M22: 29,860,034 km (0.105 R)
• M23: 30,448,702 km (0.119 R)
• M24: 33,507,978 km (0.098 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 509 - 12,607 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit