🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.79

Radius: 1.7

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 0.41 AU - 0.67 AU

Year: 165 Days

Day: 28.5 Hours

Environment

Temp: 160 °C

Axial Tilt: 31.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.55

Radius: 1.66

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 0.46 AU - 0.66 AU

Year: 174 Days

Day: 33.2 Hours

Environment

Temp: 88 °C

Axial Tilt: 6.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.33

Radius: 1.12

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 0.59 AU - 0.67 AU

Year: 208 Days

Day: 12.2 Hours

Environment

Temp: 27 °C

Axial Tilt: 67.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 11,808,286 km

• M1: 129,552 km (0.093 R)
• M2: 262,095 km (0.116 R)

Planet 4 - Terrestrial

Semi-Major Axis: 0.85 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.82

Radius: 1.51

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 0.77 AU - 0.93 AU

Year: 326 Days

Day: 35.4 Hours

Environment

Temp: -5 °C

Axial Tilt: 37 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 11,808,286 km

• M1: 745,297 km (0.089 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.06

Radius: 1.75

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 1.49 AU - 2.29 AU

Year: 1082 Days

Day: 17.1 Hours

Environment

Temp: -112 °C

Axial Tilt: 8.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.61

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 1.81 AU - 1.99 AU

Year: 1090 Days

Day: 15.9 Hours

Environment

Temp: -113 °C

Axial Tilt: 43.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 11,808,286 km

• M1: 255,812 km (0.099 R)

Asteroid Belt

Center: 4.28 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 6.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 20.1

Radius: 14.9

Gravity: 0.09 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 5.03 AU - 8.27 AU

Year: 7138 Days

Day: 5.8 Hours

Environment

Temp: -172 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 11,808,286 km

• M1: 369,058 km (0.074 R)
• M2: 468,241 km (0.089 R)
• M3: 723,754 km (0.112 R)
• M4: 1,117,646 km (0.042 R)
• M5: 1,400,984 km (0.072 R)
• M6: 1,699,581 km (0.103 R)
• M7: 2,038,121 km (0.06 R)
• M8: 2,220,631 km (0.114 R)
• M9: 2,540,621 km (0.066 R)
• M10: 2,654,165 km (0.071 R)
• M11: 3,048,805 km (0.11 R)
• M12: 3,192,119 km (0.09 R)
• M13: 3,371,637 km (0.082 R)
• M14: 3,764,331 km (0.05 R)
• M15: 3,906,599 km (0.061 R)
• M16: 4,568,869 km (0.081 R)
• M17: 5,017,064 km (0.114 R)
• M18: 5,147,663 km (0.054 R)
• M19: 5,372,508 km (0.094 R)
• M20: 5,573,717 km (0.03 R)
• M21: 5,804,697 km (0.088 R)
• M22: 6,659,648 km (0.087 R)
• M23: 6,919,650 km (0.12 R)
• M24: 7,539,284 km (0.099 R)
• M25: 7,704,440 km (0.091 R)
• M26: 8,238,355 km (0.108 R)
• M27: 8,894,940 km (0.047 R)
• M28: 9,165,562 km (0.088 R)
• M29: 9,600,892 km (0.099 R)
• M30: 9,944,219 km (0.098 R)
• M31: 11,083,706 km (0.091 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 302 - 17,657 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit