🌌 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: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 62.3

Radius: 13.6

Gravity: 0.34 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 0.47 AU - 0.71 AU

Year: 302 Days

Day: 11.2 Hours

Environment

Temp: -153 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 33,018,084 km

• M1: 169,345 km (0.079 R)
• M2: 656,735 km (0.087 R)
• M3: 1,217,427 km (0.058 R)
• M4: 1,765,704 km (0.097 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 99.6

Radius: 13.2

Gravity: 0.57 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 1 AU - 1.48 AU

Year: 921 Days

Day: 7.2 Hours

Environment

Temp: -193 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 33,018,084 km

• M1: 166,353 km (0.065 R)
• M2: 590,912 km (0.091 R)
• M3: 1,160,281 km (0.093 R)
• M4: 1,640,640 km (0.113 R)
• M5: 2,296,926 km (0.086 R)
• M6: 2,808,251 km (0.118 R)
• M7: 3,925,897 km (0.078 R)
• M8: 4,484,047 km (0.064 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 210.8

Radius: 14.9

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 3.43 AU - 4.73 AU

Year: 5496 Days

Day: 8.7 Hours

Environment

Temp: -218 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 33,018,084 km

• M1: 185,352 km (0.082 R)
• M2: 924,216 km (0.046 R)
• M3: 1,462,319 km (0.063 R)
• M4: 1,945,072 km (0.118 R)
• M5: 2,749,010 km (0.119 R)
• M6: 3,353,984 km (0.119 R)
• M7: 3,965,840 km (0.09 R)
• M8: 4,629,007 km (0.118 R)
• M9: 6,179,439 km (0.092 R)
• M10: 6,954,057 km (0.092 R)
• M11: 8,732,925 km (0.089 R)
• M12: 9,449,798 km (0.089 R)
• M13: 13,405,615 km (0.038 R)
• M14: 14,458,933 km (0.089 R)
• M15: 16,088,653 km (0.08 R)
• M16: 17,951,445 km (0.106 R)
• M17: 19,171,566 km (0.108 R)
• M18: 20,076,483 km (0.075 R)
• M19: 21,455,027 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 25.6

Radius: 8.1

Gravity: 0.39 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 4.47 AU - 4.47 AU

Year: 6302 Days

Day: 10.2 Hours

Environment

Temp: -224 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 33,018,084 km

• M1: 100,679 km (0.115 R)
• M2: 483,500 km (0.096 R)
• M3: 798,853 km (0.113 R)
• M4: 1,668,315 km (0.059 R)
• M5: 8,251,220 km (0.117 R)
• M6: 9,525,345 km (0.061 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 246.4

Radius: 5.5

Gravity: 8.15 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 4.51 AU - 7.27 AU

Year: 9532 Days

Day: 21 Hours

Environment

Temp: -221 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 33,018,084 km

• M1: 68,366 km (0.069 R)
• M2: 667,805 km (0.096 R)
• M3: 1,178,682 km (0.116 R)
• M4: 1,592,918 km (0.092 R)
• M5: 2,406,431 km (0.112 R)
• M6: 3,275,595 km (0.103 R)
• M7: 3,599,624 km (0.064 R)
• M8: 4,162,411 km (0.039 R)
• M9: 5,979,726 km (0.12 R)
• M10: 7,584,163 km (0.088 R)
• M11: 9,285,241 km (0.084 R)
• M12: 12,112,341 km (0.079 R)
• M13: 18,772,738 km (0.114 R)
• M14: 21,246,338 km (0.075 R)
• M15: 21,765,892 km (0.1 R)
• M16: 32,624,304 km (0.116 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 275 - 13,072 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit