🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.63

Radius: 1.85

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 0.48 AU - 0.58 AU

Year: 249 Days

Day: 29.7 Hours

Environment

Temp: -125 °C

Axial Tilt: 11.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 9,257,883 km

• M1: 175,478 km (0.072 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.17

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 0.57 AU - 0.75 AU

Year: 346 Days

Day: 17.6 Hours

Environment

Temp: -130 °C

Axial Tilt: 26.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 9,257,883 km

• M1: 268,678 km (0.084 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 259.2

Radius: 9.7

Gravity: 2.75 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 0.89 AU - 0.89 AU

Year: 542 Days

Day: 5.9 Hours

Environment

Temp: -144 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 9,257,883 km

• M1: 122,221 km (0.108 R)
• M2: 489,933 km (0.107 R)
• M3: 883,675 km (0.099 R)
• M4: 1,247,796 km (0.12 R)
• M5: 1,657,694 km (0.092 R)
• M6: 2,239,331 km (0.056 R)
• M7: 2,724,476 km (0.102 R)
• M8: 3,054,489 km (0.111 R)
• M9: 3,388,990 km (0.097 R)
• M10: 3,724,089 km (0.12 R)
• M11: 4,094,045 km (0.114 R)
• M12: 4,922,668 km (0.042 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 526.6

Radius: 12.5

Gravity: 3.37 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 1 AU - 1.62 AU

Year: 968 Days

Day: 11.7 Hours

Environment

Temp: -176 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 9,257,883 km

• M1: 155,432 km (0.036 R)
• M2: 787,334 km (0.111 R)
• M3: 1,193,941 km (0.115 R)
• M4: 1,885,980 km (0.105 R)
• M5: 2,314,279 km (0.053 R)
• M6: 3,291,004 km (0.066 R)
• M7: 4,135,484 km (0.085 R)
• M8: 4,694,680 km (0.073 R)
• M9: 5,924,973 km (0.117 R)
• M10: 6,659,349 km (0.101 R)
• M11: 7,406,441 km (0.099 R)
• M12: 8,108,504 km (0.068 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 347 - 18,546 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit