🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 479.7

Radius: 8.9

Gravity: 6.06 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 0.5 AU - 0.54 AU

Year: 259 Days

Day: 5.9 Hours

Environment

Temp: -144 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 4,526,303 km

• M1: 111,750 km (0.085 R)
• M2: 522,994 km (0.087 R)
• M3: 808,576 km (0.025 R)
• M4: 1,232,088 km (0.06 R)
• M5: 1,516,474 km (0.099 R)
• M6: 1,878,949 km (0.111 R)
• M7: 2,523,417 km (0.101 R)
• M8: 2,924,788 km (0.096 R)
• M9: 3,327,954 km (0.117 R)
• M10: 3,681,304 km (0.081 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 636.6

Radius: 13.5

Gravity: 3.49 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.52 AU - 0.86 AU

Year: 396 Days

Day: 6.1 Hours

Environment

Temp: -148 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 4,526,303 km

• M1: 167,849 km (0.117 R)
• M2: 622,327 km (0.117 R)
• M3: 1,127,220 km (0.095 R)
• M4: 1,667,268 km (0.116 R)
• M5: 2,379,354 km (0.105 R)
• M6: 3,254,053 km (0.082 R)
• M7: 3,693,721 km (0.101 R)
• M8: 5,336,904 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 715.2

Radius: 13.3

Gravity: 4.04 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 0.79 AU - 0.79 AU

Year: 485 Days

Day: 9.5 Hours

Environment

Temp: -172 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 4,526,303 km

• M1: 165,455 km (0.049 R)
• M2: 666,159 km (0.115 R)
• M3: 1,219,073 km (0.108 R)
• M4: 1,725,462 km (0.1 R)
• M5: 2,585,650 km (0.104 R)
• M6: 3,018,586 km (0.094 R)
• M7: 3,587,806 km (0.039 R)
• M8: 4,635,888 km (0.092 R)
• M9: 5,134,498 km (0.112 R)
• M10: 5,634,305 km (0.038 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 372.5

Radius: 8

Gravity: 5.82 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 1.19 AU - 1.31 AU

Year: 965 Days

Day: 11.5 Hours

Environment

Temp: -179 °C

Axial Tilt: 44.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 4,526,303 km

• M1: 99,483 km (0.069 R)
• M2: 391,647 km (0.03 R)
• M3: 647,609 km (0.049 R)
• M4: 1,109,567 km (0.069 R)
• M5: 1,408,314 km (0.084 R)
• M6: 1,769,144 km (0.113 R)
• M7: 2,142,092 km (0.084 R)
• M8: 2,522,818 km (0.092 R)
• M9: 2,876,019 km (0.069 R)
• M10: 3,529,313 km (0.081 R)
• M11: 3,898,521 km (0.092 R)
• M12: 4,277,602 km (0.091 R)
• M13: 4,681,067 km (0.079 R)
• M14: 5,127,467 km (0.114 R)
• M15: 5,639,690 km (0.09 R)
• M16: 5,908,368 km (0.094 R)
• M17: 6,450,810 km (0.1 R)
• M18: 6,702,284 km (0.058 R)
• M19: 7,405,244 km (0.082 R)
• M20: 7,940,057 km (0.036 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 59.1

Radius: 10.8

Gravity: 0.51 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 1.06 AU - 1.48 AU

Year: 988 Days

Day: 6.6 Hours

Environment

Temp: -193 °C

Axial Tilt: 42.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 4,526,303 km

• M1: 134,638 km (0.086 R)
• M2: 485,894 km (0.106 R)
• M3: 849,267 km (0.116 R)
• M4: 1,467,106 km (0.095 R)
• M5: 1,950,307 km (0.089 R)
• M6: 2,672,865 km (0.063 R)
• M7: 3,632,984 km (0.058 R)
• M8: 4,032,261 km (0.107 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 228 - 18,612 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit