🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.53 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.05 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.41

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 1.03 AU - 1.07 AU

Year: 403 Days

Day: 13.5 Hours

Environment

Temp: 8 °C

Axial Tilt: 11.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 33,827,051 km

• M1: 790,475 km (0.118 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.99

Radius: 1.32

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 1.36 AU - 1.9 AU

Year: 780 Days

Day: 24.9 Hours

Environment

Temp: -49 °C

Axial Tilt: 4.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.49

Radius: 1.44

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 1.53 AU - 1.79 AU

Year: 801 Days

Day: 31.4 Hours

Environment

Temp: -61 °C

Axial Tilt: 0.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 33,827,051 km

• M1: 34,707 km (0.034 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.38 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.21

Radius: 1.08

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 2.11 AU - 2.65 AU

Year: 1376 Days

Day: 39.9 Hours

Environment

Temp: -97 °C

Axial Tilt: 46 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 33,827,051 km

• M1: 25,132 km (0.092 R)

Planet 5 - Terrestrial

Semi-Major Axis: 4.04 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.2

Radius: 1.37

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 3.7 AU - 4.38 AU

Year: 3043 Days

Day: 47.2 Hours

Environment

Temp: -127 °C

Axial Tilt: 15.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 33,827,051 km

• M1: 1,050,027 km (0.087 R)

Asteroid Belt

Center: 4.82 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 981.5

Radius: 13.7

Gravity: 5.23 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 4.44 AU - 6.74 AU

Year: 4953 Days

Day: 5.2 Hours

Environment

Temp: -152 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 33,827,051 km

• M1: 171,140 km (0.08 R)
• M2: 641,476 km (0.075 R)
• M3: 1,540,409 km (0.104 R)
• M4: 3,554,445 km (0.047 R)
• M5: 4,154,333 km (0.088 R)
• M6: 4,687,649 km (0.068 R)
• M7: 5,558,907 km (0.111 R)
• M8: 7,082,711 km (0.109 R)
• M9: 9,413,296 km (0.089 R)
• M10: 9,890,514 km (0.09 R)
• M11: 11,371,682 km (0.084 R)
• M12: 12,165,598 km (0.088 R)
• M13: 12,890,400 km (0.082 R)
• M14: 14,712,801 km (0.09 R)
• M15: 20,839,731 km (0.119 R)
• M16: 23,106,438 km (0.12 R)
• M17: 27,769,703 km (0.045 R)
• M18: 28,573,492 km (0.064 R)
• M19: 30,040,748 km (0.091 R)
• M20: 31,847,741 km (0.099 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 243 - 10,592 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit