🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.94

Radius: 1.54

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 0.5 AU - 0.68 AU

Year: 297 Days

Day: 37 Hours

Environment

Temp: -121 °C

Axial Tilt: 0 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 17,151,311 km

• M1: 428,299 km (0.105 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.39

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 0.47 AU - 0.73 AU

Year: 305 Days

Day: 38.9 Hours

Environment

Temp: -123 °C

Axial Tilt: 24.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 5.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 45.8

Radius: 10.1

Gravity: 0.45 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 4.38 AU - 6.46 AU

Year: 8278 Days

Day: 10.6 Hours

Environment

Temp: -217 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 17,151,311 km

• M1: 127,009 km (0.085 R)
• M2: 491,429 km (0.101 R)
• M3: 830,867 km (0.114 R)
• M4: 2,203,128 km (0.08 R)
• M5: 3,345,457 km (0.117 R)
• M6: 4,105,265 km (0.12 R)
• M7: 6,748,958 km (0.047 R)
• M8: 10,804,557 km (0.106 R)
• M9: 11,688,680 km (0.094 R)
• M10: 14,357,356 km (0.12 R)
• M11: 15,664,543 km (0.115 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: 549 - 15,932 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit