🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 61.1

Radius: 12.2

Gravity: 0.41 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 0.72 AU - 0.76 AU

Year: 418 Days

Day: 13.3 Hours

Environment

Temp: -139 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 23,399,500 km

• M1: 151,991 km (0.093 R)
• M2: 598,691 km (0.112 R)
• M3: 1,122,882 km (0.087 R)
• M4: 1,950,008 km (0.099 R)
• M5: 2,400,447 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 312.4

Radius: 14.9

Gravity: 1.41 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 1 AU - 1.02 AU

Year: 666 Days

Day: 6.3 Hours

Environment

Temp: -168 °C

Axial Tilt: 116.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 23,399,500 km

• M1: 185,501 km (0.08 R)
• M2: 689,197 km (0.098 R)
• M3: 1,256,473 km (0.109 R)
• M4: 1,784,104 km (0.102 R)
• M5: 2,324,153 km (0.084 R)
• M6: 3,038,632 km (0.104 R)
• M7: 3,768,520 km (0.103 R)
• M8: 4,835,901 km (0.082 R)
• M9: 5,465,708 km (0.069 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 60.5

Radius: 12.5

Gravity: 0.39 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 2.37 AU - 3.39 AU

Year: 3206 Days

Day: 14.6 Hours

Environment

Temp: -198 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 23,399,500 km

• M1: 155,582 km (0.069 R)
• M2: 695,630 km (0.101 R)
• M3: 1,415,794 km (0.096 R)
• M4: 2,400,896 km (0.029 R)
• M5: 3,768,969 km (0.088 R)
• M6: 4,562,735 km (0.093 R)
• M7: 5,523,901 km (0.057 R)
• M8: 6,504,665 km (0.057 R)
• M9: 7,002,228 km (0.076 R)
• M10: 7,549,307 km (0.075 R)
• M11: 8,410,392 km (0.058 R)
• M12: 9,001,753 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 269.5

Radius: 14.2

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 2.95 AU - 4.49 AU

Year: 4707 Days

Day: 8.7 Hours

Environment

Temp: -213 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 23,399,500 km

• M1: 188,194 km (0.037 R)
• M2: 768,634 km (0.031 R)
• M3: 1,305,840 km (0.062 R)
• M4: 1,771,688 km (0.078 R)
• M5: 2,858,815 km (0.085 R)
• M6: 3,513,755 km (0.114 R)
• M7: 4,395,933 km (0.083 R)
• M8: 5,127,018 km (0.104 R)
• M9: 5,831,923 km (0.119 R)
• M10: 6,346,540 km (0.101 R)
• M11: 7,467,627 km (0.107 R)
• M12: 8,613,546 km (0.117 R)
• M13: 10,726,317 km (0.117 R)
• M14: 12,802,586 km (0.065 R)
• M15: 14,150,911 km (0.052 R)
• M16: 16,534,454 km (0.092 R)
• M17: 17,459,268 km (0.09 R)
• M18: 18,939,838 km (0.064 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 439.3

Radius: 8.6

Gravity: 5.94 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 3.58 AU - 4.86 AU

Year: 5687 Days

Day: 11.3 Hours

Environment

Temp: -205 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 23,399,500 km

• M1: 106,962 km (0.08 R)
• M2: 391,797 km (0.081 R)
• M3: 714,180 km (0.062 R)
• M4: 1,308,533 km (0.105 R)
• M5: 1,633,609 km (0.038 R)
• M6: 1,957,039 km (0.072 R)
• M7: 2,276,880 km (0.086 R)
• M8: 3,577,035 km (0.059 R)
• M9: 4,484,047 km (0.102 R)
• M10: 5,314,165 km (0.066 R)
• M11: 5,882,787 km (0.079 R)
• M12: 6,974,851 km (0.088 R)
• M13: 8,159,816 km (0.081 R)
• M14: 8,494,765 km (0.12 R)
• M15: 9,514,275 km (0.076 R)
• M16: 10,181,033 km (0.064 R)
• M17: 10,923,188 km (0.061 R)
• M18: 11,700,947 km (0.108 R)
• M19: 12,961,309 km (0.08 R)
• M20: 17,100,981 km (0.077 R)
• M21: 19,832,938 km (0.108 R)
• M22: 20,713,022 km (0.108 R)
• M23: 22,189,403 km (0.05 R)
• M24: 23,809,997 km (0.076 R)
• M25: 24,881,417 km (0.069 R)
• M26: 25,587,070 km (0.075 R)
• M27: 25,984,701 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 171.7

Radius: 9.9

Gravity: 1.75 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 4.5 AU - 5.02 AU

Year: 6813 Days

Day: 10.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 23,399,500 km

• M1: 123,119 km (0.026 R)
• M2: 452,982 km (0.081 R)
• M3: 1,236,426 km (0.103 R)
• M4: 1,847,683 km (0.093 R)
• M5: 2,202,081 km (0.059 R)
• M6: 2,878,413 km (0.113 R)
• M7: 5,252,082 km (0.102 R)
• M8: 5,751,440 km (0.032 R)
• M9: 6,663,987 km (0.079 R)
• M10: 7,474,358 km (0.067 R)
• M11: 8,559,990 km (0.045 R)
• M12: 10,749,505 km (0.061 R)
• M13: 11,862,812 km (0.063 R)
• M14: 14,620,499 km (0.119 R)
• M15: 16,093,739 km (0.107 R)
• M16: 17,954,288 km (0.117 R)
• M17: 19,332,982 km (0.1 R)
• M18: 19,891,281 km (0.058 R)
• M19: 22,571,626 km (0.118 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: 396 - 14,065 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit