🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.14

Radius: 1.58

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 0.68 AU - 0.76 AU

Year: 223 Days

Day: 31.5 Hours

Environment

Temp: 196 °C

Axial Tilt: 33.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 23,139,213 km

• M1: 46,076 km (0.055 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.05

Radius: 1.02

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 1.82 AU - 2.1 AU

Year: 1002 Days

Day: 14.9 Hours

Environment

Temp: -63 °C

Axial Tilt: 39.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 23,139,213 km

• M1: 454,628 km (0.113 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.5

Radius: 1.18

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 1.87 AU - 2.51 AU

Year: 1184 Days

Day: 28.1 Hours

Environment

Temp: -76 °C

Axial Tilt: 24.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 4.26 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.61

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 4.11 AU - 4.41 AU

Year: 3211 Days

Day: 37.2 Hours

Environment

Temp: -135 °C

Axial Tilt: 33.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.49 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 6.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 191.2

Radius: 13

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 5.13 AU - 8.29 AU

Year: 6349 Days

Day: 5.1 Hours

Environment

Temp: -147 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 23,139,213 km

• M1: 161,715 km (0.103 R)
• M2: 579,692 km (0.038 R)
• M3: 1,056,909 km (0.072 R)
• M4: 1,514,230 km (0.108 R)
• M5: 2,213,899 km (0.098 R)
• M6: 2,999,587 km (0.101 R)
• M7: 3,719,901 km (0.111 R)
• M8: 4,196,968 km (0.111 R)
• M9: 5,300,552 km (0.046 R)
• M10: 5,798,413 km (0.107 R)
• M11: 6,707,819 km (0.105 R)
• M12: 7,644,601 km (0.109 R)
• M13: 14,372,615 km (0.078 R)
• M14: 17,306,230 km (0.107 R)
• M15: 17,879,489 km (0.113 R)
• M16: 22,864,539 km (0.097 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 396 - 16,252 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit