🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.75

Radius: 1.25

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 0.43 AU - 0.61 AU

Year: 242 Days

Day: 13.2 Hours

Environment

Temp: -124 °C

Axial Tilt: 31.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 18,238,451 km

• M1: 183,257 km (0.097 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.34

Radius: 1.12

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 0.56 AU - 0.66 AU

Year: 308 Days

Day: 40.9 Hours

Environment

Temp: -129 °C

Axial Tilt: 22.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 18,238,451 km

• M1: 31,266 km (0.047 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 593.2

Radius: 11.5

Gravity: 4.49 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 0.8 AU - 0.86 AU

Year: 488 Days

Day: 14.4 Hours

Environment

Temp: -155 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 18,238,451 km

• M1: 143,165 km (0.031 R)
• M2: 524,490 km (0.091 R)
• M3: 957,127 km (0.092 R)
• M4: 1,392,158 km (0.12 R)
• M5: 1,825,543 km (0.119 R)
• M6: 2,349,135 km (0.114 R)
• M7: 2,993,304 km (0.086 R)
• M8: 3,612,938 km (0.119 R)
• M9: 4,288,373 km (0.086 R)
• M10: 4,784,140 km (0.116 R)
• M11: 5,204,809 km (0.087 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 826.7

Radius: 9.9

Gravity: 8.43 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.95 AU - 1.45 AU

Year: 849 Days

Day: 8.7 Hours

Environment

Temp: -178 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 18,238,451 km

• M1: 125,064 km (0.085 R)
• M2: 498,909 km (0.074 R)
• M3: 1,282,353 km (0.12 R)
• M4: 1,724,863 km (0.061 R)
• M5: 2,194,152 km (0.096 R)
• M6: 2,946,928 km (0.049 R)
• M7: 3,577,334 km (0.025 R)
• M8: 5,509,241 km (0.08 R)
• M9: 6,801,318 km (0.104 R)
• M10: 8,336,940 km (0.064 R)
• M11: 9,624,529 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 579.3

Radius: 12.3

Gravity: 3.83 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 2.15 AU - 2.86 AU

Year: 2552 Days

Day: 5.7 Hours

Environment

Temp: -198 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 18,238,451 km

• M1: 153,039 km (0.103 R)
• M2: 707,598 km (0.119 R)
• M3: 1,099,096 km (0.072 R)
• M4: 1,948,063 km (0.117 R)
• M5: 3,502,236 km (0.119 R)
• M6: 3,981,847 km (0.097 R)
• M7: 5,096,799 km (0.059 R)
• M8: 6,172,109 km (0.092 R)
• M9: 9,274,470 km (0.107 R)
• M10: 9,871,515 km (0.116 R)
• M11: 11,456,803 km (0.067 R)
• M12: 14,007,597 km (0.087 R)
• M13: 14,559,762 km (0.111 R)
• M14: 17,279,302 km (0.032 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 160 - 19,379 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit