🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.52 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.03 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.85

Radius: 1.52

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 0.8 AU - 1.26 AU

Year: 390 Days

Day: 29.6 Hours

Environment

Temp: 4 °C

Axial Tilt: 20.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 10,365,522 km

• M1: 62,532 km (0.104 R)
• M2: 150,346 km (0.079 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.22 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.19

Radius: 1.37

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 1.17 AU - 1.27 AU

Year: 502 Days

Day: 23.1 Hours

Environment

Temp: -15 °C

Axial Tilt: 46.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.14

Radius: 0.46

Gravity: 0.66 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 1.47 AU - 1.49 AU

Year: 671 Days

Day: 15.1 Hours

Environment

Temp: -49 °C

Axial Tilt: 20.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.27 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.18

Radius: 1.59

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 2.53 AU - 4.01 AU

Year: 2204 Days

Day: 46.1 Hours

Environment

Temp: -123 °C

Axial Tilt: 13.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 10,365,522 km

• M1: 56,249 km (0.062 R)
• M2: 1,732,343 km (0.084 R)

Planet 5 - Terrestrial

Semi-Major Axis: 4.44 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.13

Radius: 1.05

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 4.28 AU - 4.6 AU

Year: 3488 Days

Day: 20.3 Hours

Environment

Temp: -127 °C

Axial Tilt: 25.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 4.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 49.9

Radius: 12.6

Gravity: 0.31 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 4.06 AU - 5.22 AU

Year: 3726 Days

Day: 12.5 Hours

Environment

Temp: -136 °C

Axial Tilt: 48.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 10,365,522 km

• M1: 164,109 km (0.094 R)
• M2: 594,352 km (0.12 R)
• M3: 1,321,398 km (0.066 R)
• M4: 2,077,316 km (0.062 R)
• M5: 2,496,788 km (0.114 R)
• M6: 3,172,522 km (0.086 R)
• M7: 4,079,384 km (0.098 R)
• M8: 6,515,137 km (0.073 R)
• M9: 7,137,464 km (0.049 R)
• M10: 8,028,619 km (0.087 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 548 - 15,151 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit