🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 276.4

Radius: 14.8

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 0.49 AU - 0.67 AU

Year: 295 Days

Day: 10.6 Hours

Environment

Temp: -141 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 22,837,014 km

• M1: 184,005 km (0.119 R)
• M2: 709,692 km (0.067 R)
• M3: 1,376,300 km (0.072 R)
• M4: 3,054,489 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 420.4

Radius: 10.7

Gravity: 3.67 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 0.56 AU - 0.86 AU

Year: 399 Days

Day: 6.1 Hours

Environment

Temp: -155 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 22,837,014 km

• M1: 133,142 km (0.104 R)
• M2: 495,468 km (0.088 R)
• M3: 936,183 km (0.111 R)
• M4: 1,684,921 km (0.119 R)
• M5: 2,036,925 km (0.092 R)
• M6: 2,455,799 km (0.11 R)
• M7: 2,952,164 km (0.041 R)
• M8: 3,414,123 km (0.067 R)
• M9: 3,815,643 km (0.076 R)
• M10: 4,577,994 km (0.036 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 870

Radius: 12.4

Gravity: 5.66 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 0.89 AU - 1.25 AU

Year: 738 Days

Day: 8.8 Hours

Environment

Temp: -181 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 22,837,014 km

• M1: 154,235 km (0.094 R)
• M2: 569,669 km (0.108 R)
• M3: 1,092,513 km (0.098 R)
• M4: 1,834,668 km (0.093 R)
• M5: 2,497,088 km (0.109 R)
• M6: 3,260,635 km (0.118 R)
• M7: 4,065,023 km (0.103 R)
• M8: 4,464,748 km (0.084 R)
• M9: 5,069,124 km (0.11 R)
• M10: 6,128,576 km (0.12 R)
• M11: 6,634,965 km (0.097 R)
• M12: 7,100,962 km (0.047 R)
• M13: 8,024,430 km (0.091 R)
• M14: 8,657,528 km (0.039 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 753.7

Radius: 13.2

Gravity: 4.33 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 0.89 AU - 1.27 AU

Year: 748 Days

Day: 11.7 Hours

Environment

Temp: -184 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 22,837,014 km

• M1: 164,109 km (0.106 R)
• M2: 590,463 km (0.081 R)
• M3: 1,148,014 km (0.08 R)
• M4: 1,662,481 km (0.111 R)
• M5: 2,362,001 km (0.047 R)
• M6: 2,972,809 km (0.093 R)
• M7: 3,980,051 km (0.057 R)
• M8: 5,404,672 km (0.116 R)
• M9: 7,304,565 km (0.057 R)
• M10: 8,059,735 km (0.091 R)
• M11: 8,481,750 km (0.082 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 617

Radius: 13.9

Gravity: 3.19 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 2.54 AU - 3.46 AU

Year: 3465 Days

Day: 13 Hours

Environment

Temp: -209 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 22,837,014 km

• M1: 179,069 km (0.116 R)
• M2: 719,865 km (0.105 R)
• M3: 1,645,277 km (0.074 R)
• M4: 2,556,029 km (0.106 R)
• M5: 3,702,099 km (0.078 R)
• M6: 4,617,787 km (0.083 R)
• M7: 5,759,368 km (0.099 R)
• M8: 7,330,744 km (0.032 R)
• M9: 8,387,803 km (0.105 R)
• M10: 9,394,148 km (0.025 R)
• M11: 11,389,634 km (0.094 R)
• M12: 12,991,977 km (0.069 R)
• M13: 13,605,926 km (0.096 R)
• M14: 14,189,956 km (0.103 R)
• M15: 17,478,118 km (0.098 R)
• M16: 22,498,772 km (0.11 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: 231 - 19,195 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit