🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.2

Radius: 0.53

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 0.51 AU - 0.73 AU

Year: 172 Days

Day: 45 Hours

Environment

Temp: 243 °C

Axial Tilt: 14.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.52

Radius: 1.83

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 0.67 AU - 0.67 AU

Year: 194 Days

Day: 21.5 Hours

Environment

Temp: 211 °C

Axial Tilt: 0.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.68 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.58

Radius: 0.8

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 0.54 AU - 0.82 AU

Year: 198 Days

Day: 23.4 Hours

Environment

Temp: 143 °C

Axial Tilt: 0.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 33,434,213 km

• M1: 18,700 km (0.071 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.16 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.56

Radius: 1.66

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 1.15 AU - 1.17 AU

Year: 441 Days

Day: 14.8 Hours

Environment

Temp: 34 °C

Axial Tilt: 32 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.65

Radius: 1.68

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 1.47 AU - 1.67 AU

Year: 695 Days

Day: 29.4 Hours

Environment

Temp: -18 °C

Axial Tilt: 3.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.88 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.32

Radius: 1.62

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 2.53 AU - 3.23 AU

Year: 1726 Days

Day: 19.4 Hours

Environment

Temp: -89 °C

Axial Tilt: 18.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 2.94 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.13

Radius: 1.35

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 2.37 AU - 3.51 AU

Year: 1780 Days

Day: 46.3 Hours

Environment

Temp: -90 °C

Axial Tilt: 32.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.58 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 8.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 335.7

Radius: 13.2

Gravity: 1.93 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 7.78 AU - 8.66 AU

Year: 8322 Days

Day: 8.2 Hours

Environment

Temp: -152 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 33,434,213 km

• M1: 180,565 km (0.097 R)
• M2: 641,476 km (0.114 R)
• M3: 1,108,071 km (0.06 R)
• M4: 2,092,575 km (0.093 R)
• M5: 3,056,584 km (0.057 R)
• M6: 4,199,362 km (0.112 R)
• M7: 7,531,654 km (0.054 R)
• M8: 9,729,098 km (0.041 R)
• M9: 17,455,229 km (0.082 R)
• M10: 18,777,974 km (0.102 R)
• M11: 21,846,675 km (0.098 R)
• M12: 23,539,524 km (0.058 R)
• M13: 25,818,498 km (0.1 R)
• M14: 28,063,214 km (0.074 R)
• M15: 31,669,720 km (0.101 R)

Kuiper Belt

Range: 31.1 - 56.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 348 - 10,613 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit