🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.75 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 466.7

Radius: 9.6

Gravity: 5.06 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 1.43 AU - 1.58 AU

Year: 1291 Days

Day: 14.8 Hours

Environment

Temp: -182 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 52,121,539 km

• M1: 123,717 km (0.108 R)
• M2: 1,247,048 km (0.06 R)
• M3: 1,549,684 km (0.083 R)
• M4: 2,899,805 km (0.099 R)
• M5: 3,353,236 km (0.098 R)
• M6: 3,727,680 km (0.07 R)
• M7: 4,543,437 km (0.066 R)
• M8: 5,313,716 km (0.029 R)
• M9: 6,212,500 km (0.116 R)
• M10: 6,968,568 km (0.104 R)
• M11: 8,498,805 km (0.1 R)
• M12: 9,198,324 km (0.12 R)
• M13: 9,755,128 km (0.069 R)
• M14: 10,149,019 km (0.087 R)
• M15: 10,616,662 km (0.068 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 561.5

Radius: 12.2

Gravity: 3.77 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 2.68 AU - 2.7 AU

Year: 3101 Days

Day: 10.8 Hours

Environment

Temp: -202 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 52,121,539 km

• M1: 151,692 km (0.078 R)
• M2: 571,464 km (0.066 R)
• M3: 1,168,509 km (0.108 R)
• M4: 1,588,879 km (0.088 R)
• M5: 2,794,787 km (0.073 R)
• M6: 3,223,535 km (0.06 R)
• M7: 3,639,417 km (0.099 R)
• M8: 4,111,697 km (0.109 R)
• M9: 5,937,390 km (0.104 R)
• M10: 6,342,800 km (0.1 R)
• M11: 8,587,516 km (0.105 R)
• M12: 9,213,882 km (0.083 R)
• M13: 11,524,272 km (0.105 R)
• M14: 12,592,550 km (0.077 R)
• M15: 14,437,391 km (0.092 R)
• M16: 14,925,380 km (0.047 R)
• M17: 16,508,873 km (0.052 R)
• M18: 18,032,827 km (0.102 R)
• M19: 18,656,650 km (0.082 R)
• M20: 19,947,230 km (0.06 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 987.2

Radius: 10.9

Gravity: 8.31 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 2.22 AU - 3.44 AU

Year: 3346 Days

Day: 14.8 Hours

Environment

Temp: -205 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 52,121,539 km

• M1: 135,536 km (0.119 R)
• M2: 485,595 km (0.088 R)
• M3: 836,551 km (0.109 R)
• M4: 1,239,119 km (0.107 R)
• M5: 1,675,646 km (0.084 R)
• M6: 2,156,753 km (0.092 R)
• M7: 2,988,816 km (0.114 R)
• M8: 3,702,398 km (0.099 R)
• M9: 4,133,389 km (0.116 R)
• M10: 4,573,805 km (0.114 R)
• M11: 5,413,498 km (0.064 R)
• M12: 5,970,601 km (0.114 R)
• M13: 6,565,551 km (0.099 R)
• M14: 8,443,753 km (0.077 R)
• M15: 9,745,254 km (0.087 R)
• M16: 10,111,170 km (0.051 R)
• M17: 10,698,641 km (0.073 R)
• M18: 11,988,025 km (0.081 R)
• M19: 13,527,986 km (0.095 R)
• M20: 15,250,157 km (0.117 R)
• M21: 15,799,630 km (0.037 R)
• M22: 18,131,112 km (0.104 R)
• M23: 18,935,799 km (0.066 R)
• M24: 19,315,179 km (0.065 R)
• M25: 22,676,943 km (0.082 R)
• M26: 24,570,553 km (0.104 R)

Asteroid Belt

Center: 3.29 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 3.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 305.8

Radius: 14.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 2.87 AU - 4.63 AU

Year: 5105 Days

Day: 5 Hours

Environment

Temp: -224 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 52,121,539 km

• M1: 185,352 km (0.071 R)
• M2: 728,392 km (0.079 R)
• M3: 1,459,028 km (0.044 R)
• M4: 2,162,736 km (0.051 R)
• M5: 3,449,278 km (0.092 R)
• M6: 4,005,333 km (0.092 R)
• M7: 5,099,642 km (0.085 R)
• M8: 5,690,853 km (0.061 R)
• M9: 6,356,414 km (0.089 R)
• M10: 7,679,158 km (0.109 R)
• M11: 8,353,844 km (0.118 R)
• M12: 10,215,291 km (0.036 R)
• M13: 11,981,443 km (0.086 R)
• M14: 13,267,237 km (0.108 R)
• M15: 14,390,717 km (0.079 R)
• M16: 15,523,921 km (0.109 R)
• M17: 18,438,386 km (0.085 R)
• M18: 19,159,747 km (0.1 R)
• M19: 20,150,534 km (0.1 R)
• M20: 23,190,064 km (0.084 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 614.4

Radius: 5.9

Gravity: 17.65 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 5.85 AU - 7.39 AU

Year: 11973 Days

Day: 15.9 Hours

Environment

Temp: -231 °C

Axial Tilt: 168.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 52,121,539 km

• M1: 73,453 km (0.116 R)
• M2: 263,442 km (0.117 R)
• M3: 528,380 km (0.055 R)
• M4: 1,329,626 km (0.034 R)
• M5: 1,535,622 km (0.081 R)
• M6: 2,137,155 km (0.046 R)
• M7: 2,362,749 km (0.097 R)
• M8: 2,818,125 km (0.116 R)
• M9: 3,066,756 km (0.056 R)
• M10: 3,739,947 km (0.077 R)
• M11: 4,537,303 km (0.045 R)
• M12: 5,757,872 km (0.067 R)
• M13: 9,262,951 km (0.059 R)
• M14: 9,865,381 km (0.096 R)
• M15: 11,315,733 km (0.049 R)
• M16: 13,212,185 km (0.069 R)
• M17: 20,908,995 km (0.076 R)
• M18: 21,681,668 km (0.108 R)
• M19: 27,326,145 km (0.102 R)
• M20: 29,405,705 km (0.04 R)
• M21: 32,150,378 km (0.044 R)
• M22: 33,294,502 km (0.078 R)
• M23: 38,397,136 km (0.104 R)
• M24: 39,814,875 km (0.096 R)
• M25: 40,734,902 km (0.117 R)
• M26: 41,000,438 km (0.076 R)
• M27: 46,122,220 km (0.096 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 509 - 13,698 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit