🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.5

Radius: 1.83

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 0.56 AU - 0.56 AU

Year: 161 Days

Day: 47.9 Hours

Environment

Temp: 147 °C

Axial Tilt: 32.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 43,055,693 km

• M1: 87,814 km (0.112 R)
• M2: 370,853 km (0.106 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.91 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.56

Radius: 1.66

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.72 AU - 1.1 AU

Year: 334 Days

Day: 42.4 Hours

Environment

Temp: 23 °C

Axial Tilt: 35.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.24

Radius: 1.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 1.87 AU - 2.39 AU

Year: 1197 Days

Day: 21.4 Hours

Environment

Temp: -98 °C

Axial Tilt: 4.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.89 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 7.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 748.1

Radius: 14.7

Gravity: 3.46 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 7.34 AU - 7.96 AU

Year: 8146 Days

Day: 6.1 Hours

Environment

Temp: -180 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 43,055,693 km

• M1: 182,958 km (0.117 R)
• M2: 945,010 km (0.111 R)
• M3: 1,614,161 km (0.118 R)
• M4: 3,544,123 km (0.075 R)
• M5: 4,089,557 km (0.074 R)
• M6: 6,821,813 km (0.092 R)
• M7: 9,443,366 km (0.114 R)
• M8: 11,264,420 km (0.076 R)
• M9: 12,230,524 km (0.05 R)
• M10: 15,985,879 km (0.095 R)
• M11: 19,151,968 km (0.104 R)
• M12: 28,707,831 km (0.053 R)
• M13: 31,022,260 km (0.068 R)
• M14: 36,134,318 km (0.113 R)
• M15: 37,759,550 km (0.111 R)
• M16: 40,164,934 km (0.117 R)
• M17: 42,415,783 km (0.048 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: 284 - 16,521 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit