🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.94 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.13

Radius: 0.44

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 0.72 AU - 1.16 AU

Year: 328 Days

Day: 42.5 Hours

Environment

Temp: 149 °C

Axial Tilt: 13.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 29,970,773 km

• M1: 147,952 km (0.117 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.97 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.03

Radius: 1.56

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 0.73 AU - 1.21 AU

Year: 344 Days

Day: 18.5 Hours

Environment

Temp: 112 °C

Axial Tilt: 12.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 29,970,773 km

• M1: 40,242 km (0.079 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.06 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.32

Radius: 1.62

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 0.9 AU - 1.22 AU

Year: 393 Days

Day: 37.4 Hours

Environment

Temp: 44 °C

Axial Tilt: 26.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 4.19 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.26

Radius: 0.58

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 4 AU - 4.38 AU

Year: 3087 Days

Day: 34.4 Hours

Environment

Temp: -117 °C

Axial Tilt: 1.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 29,970,773 km

• M1: 382,671 km (0.115 R)

Asteroid Belt

Center: 5.56 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 6.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 19.2

Radius: 12.3

Gravity: 0.13 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 6.63 AU - 7.23 AU

Year: 6566 Days

Day: 8.4 Hours

Environment

Temp: -153 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 29,970,773 km

• M1: 155,133 km (0.062 R)
• M2: 738,714 km (0.094 R)
• M3: 1,174,642 km (0.116 R)
• M4: 1,634,357 km (0.078 R)
• M5: 3,299,531 km (0.09 R)
• M6: 4,067,716 km (0.07 R)
• M7: 9,393,400 km (0.054 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 300.4

Radius: 12.4

Gravity: 1.95 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 6.02 AU - 9.08 AU

Year: 7466 Days

Day: 11 Hours

Environment

Temp: -153 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 29,970,773 km

• M1: 154,834 km (0.092 R)
• M2: 571,613 km (0.081 R)
• M3: 1,000,211 km (0.068 R)
• M4: 2,347,490 km (0.072 R)
• M5: 3,056,434 km (0.032 R)
• M6: 5,418,584 km (0.1 R)
• M7: 5,852,269 km (0.084 R)
• M8: 7,260,284 km (0.118 R)
• M9: 9,737,774 km (0.075 R)
• M10: 11,007,262 km (0.08 R)
• M11: 11,516,642 km (0.034 R)
• M12: 15,363,103 km (0.12 R)
• M13: 16,235,857 km (0.089 R)
• M14: 17,826,531 km (0.097 R)
• M15: 18,790,390 km (0.081 R)
• M16: 19,924,192 km (0.072 R)
• M17: 20,473,366 km (0.097 R)
• M18: 27,366,986 km (0.062 R)
• M19: 29,525,683 km (0.05 R)

Kuiper Belt

Range: 30.5 - 49.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 374 - 16,542 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit