🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.27

Radius: 1.39

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.48 AU - 0.78 AU

Year: 328 Days

Day: 18.1 Hours

Environment

Temp: -134 °C

Axial Tilt: 24.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 38,695,646 km

• M1: 86,916 km (0.051 R)
• M2: 659,427 km (0.093 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 22.5

Radius: 9

Gravity: 0.28 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 0.69 AU - 1.03 AU

Year: 523 Days

Day: 13.8 Hours

Environment

Temp: -159 °C

Axial Tilt: 41.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 38,695,646 km

• M1: 111,899 km (0.106 R)
• M2: 477,068 km (0.041 R)
• M3: 1,146,219 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 755.2

Radius: 11.4

Gravity: 5.81 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 2.32 AU - 2.44 AU

Year: 2409 Days

Day: 6 Hours

Environment

Temp: -189 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 38,695,646 km

• M1: 141,819 km (0.078 R)
• M2: 916,287 km (0.072 R)
• M3: 1,531,433 km (0.086 R)
• M4: 2,005,958 km (0.112 R)
• M5: 4,049,614 km (0.051 R)
• M6: 4,720,561 km (0.065 R)
• M7: 5,223,808 km (0.054 R)
• M8: 5,762,660 km (0.092 R)
• M9: 7,184,737 km (0.082 R)
• M10: 8,265,731 km (0.059 R)
• M11: 9,067,576 km (0.065 R)
• M12: 9,702,320 km (0.064 R)
• M13: 10,366,534 km (0.085 R)
• M14: 10,826,099 km (0.103 R)
• M15: 11,951,224 km (0.101 R)
• M16: 12,371,445 km (0.072 R)
• M17: 14,861,950 km (0.1 R)
• M18: 15,545,612 km (0.115 R)
• M19: 16,352,693 km (0.074 R)
• M20: 17,454,032 km (0.073 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 534.8

Radius: 8.8

Gravity: 6.91 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 4.54 AU - 6.24 AU

Year: 8209 Days

Day: 10.3 Hours

Environment

Temp: -217 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 38,695,646 km

• M1: 109,506 km (0.104 R)
• M2: 404,513 km (0.077 R)
• M3: 993,330 km (0.114 R)
• M4: 1,470,996 km (0.116 R)
• M5: 1,985,762 km (0.108 R)
• M6: 3,989,027 km (0.063 R)
• M7: 5,379,988 km (0.094 R)
• M8: 7,406,890 km (0.097 R)
• M9: 9,041,247 km (0.101 R)
• M10: 10,706,121 km (0.086 R)
• M11: 11,456,803 km (0.058 R)
• M12: 13,007,086 km (0.084 R)
• M13: 14,154,651 km (0.093 R)
• M14: 15,745,475 km (0.109 R)
• M15: 16,649,794 km (0.108 R)
• M16: 17,249,233 km (0.083 R)
• M17: 17,862,883 km (0.084 R)
• M18: 18,703,773 km (0.074 R)
• M19: 19,497,390 km (0.116 R)
• M20: 22,898,048 km (0.09 R)
• M21: 25,782,295 km (0.075 R)
• M22: 29,186,844 km (0.06 R)
• M23: 29,475,418 km (0.087 R)
• M24: 30,549,680 km (0.11 R)
• M25: 34,354,852 km (0.117 R)
• M26: 35,435,098 km (0.104 R)
• M27: 36,426,483 km (0.101 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: 480 - 13,070 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit