🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 27.3

Radius: 8.7

Gravity: 0.36 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 0.59 AU - 0.61 AU

Year: 310 Days

Day: 8.2 Hours

Environment

Temp: -145 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 15,823,240 km

• M1: 108,159 km (0.114 R)
• M2: 390,301 km (0.083 R)
• M3: 807,081 km (0.077 R)
• M4: 1,083,687 km (0.045 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 676.5

Radius: 14

Gravity: 3.45 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 0.84 AU - 0.9 AU

Year: 541 Days

Day: 5.1 Hours

Environment

Temp: -162 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 15,823,240 km

• M1: 174,132 km (0.091 R)
• M2: 622,776 km (0.108 R)
• M3: 1,153,699 km (0.083 R)
• M4: 1,590,076 km (0.085 R)
• M5: 2,052,782 km (0.099 R)
• M6: 2,731,208 km (0.115 R)
• M7: 3,283,972 km (0.117 R)
• M8: 4,261,146 km (0.103 R)
• M9: 4,897,385 km (0.107 R)
• M10: 5,441,174 km (0.061 R)
• M11: 6,592,479 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 11.9

Radius: 11.2

Gravity: 0.09 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 0.83 AU - 1.07 AU

Year: 617 Days

Day: 11 Hours

Environment

Temp: -179 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 15,823,240 km

• M1: 139,874 km (0.084 R)
• M2: 499,657 km (0.041 R)
• M3: 1,605,933 km (0.1 R)

Asteroid Belt

Center: 1.32 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 375

Radius: 12.7

Gravity: 2.33 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 1.59 AU - 1.79 AU

Year: 1465 Days

Day: 12.1 Hours

Environment

Temp: -203 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 15,823,240 km

• M1: 157,975 km (0.069 R)
• M2: 558,150 km (0.068 R)
• M3: 1,123,630 km (0.05 R)
• M4: 2,307,996 km (0.066 R)
• M5: 2,729,862 km (0.117 R)
• M6: 3,273,650 km (0.108 R)
• M7: 4,017,900 km (0.066 R)
• M8: 4,670,595 km (0.065 R)
• M9: 5,718,528 km (0.102 R)
• M10: 6,254,238 km (0.098 R)
• M11: 7,652,529 km (0.064 R)
• M12: 8,412,038 km (0.077 R)
• M13: 9,511,732 km (0.067 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 672.3

Radius: 8.7

Gravity: 8.88 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 1.83 AU - 2.21 AU

Year: 1915 Days

Day: 10.7 Hours

Environment

Temp: -206 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 15,823,240 km

• M1: 108,159 km (0.091 R)
• M2: 397,332 km (0.092 R)
• M3: 770,429 km (0.076 R)
• M4: 1,076,656 km (0.096 R)
• M5: 1,410,708 km (0.077 R)
• M6: 1,760,767 km (0.101 R)
• M7: 2,108,133 km (0.103 R)
• M8: 2,501,127 km (0.077 R)
• M9: 4,423,908 km (0.066 R)
• M10: 4,771,424 km (0.11 R)
• M11: 6,738,038 km (0.08 R)
• M12: 7,226,924 km (0.084 R)
• M13: 7,652,230 km (0.031 R)
• M14: 8,804,732 km (0.09 R)
• M15: 9,224,354 km (0.051 R)
• M16: 10,208,858 km (0.047 R)
• M17: 10,708,365 km (0.117 R)
• M18: 11,717,852 km (0.109 R)
• M19: 13,624,476 km (0.106 R)
• M20: 15,588,697 km (0.096 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 271 - 11,200 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit