🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.64

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.43 AU - 0.67 AU

Year: 154 Days

Day: 30.1 Hours

Environment

Temp: 177 °C

Axial Tilt: 21.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.46

Radius: 1.16

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 0.56 AU - 0.84 AU

Year: 222 Days

Day: 13.4 Hours

Environment

Temp: 114 °C

Axial Tilt: 0.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.85 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.82

Radius: 0.92

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 0.81 AU - 0.89 AU

Year: 297 Days

Day: 34.7 Hours

Environment

Temp: 25 °C

Axial Tilt: 26 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 0.86 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.31

Radius: 1.11

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 0.84 AU - 0.88 AU

Year: 302 Days

Day: 47.8 Hours

Environment

Temp: 29 °C

Axial Tilt: 8.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 1.06 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.1

Radius: 1.76

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.84 AU - 1.28 AU

Year: 413 Days

Day: 38.3 Hours

Environment

Temp: 4 °C

Axial Tilt: 6.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 6 - Terrestrial

Semi-Major Axis: 3.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.87

Radius: 1.28

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 3.38 AU - 3.74 AU

Year: 2544 Days

Day: 38 Hours

Environment

Temp: -124 °C

Axial Tilt: 35.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.29 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 5.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 77.9

Radius: 14

Gravity: 0.4 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 4.39 AU - 5.63 AU

Year: 4247 Days

Day: 11.7 Hours

Environment

Temp: -153 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 13,121,576 km

• M1: 174,132 km (0.086 R)
• M2: 890,257 km (0.114 R)
• M3: 1,434,344 km (0.092 R)
• M4: 1,891,665 km (0.063 R)
• M5: 2,340,010 km (0.118 R)
• M6: 3,055,537 km (0.064 R)
• M7: 3,845,862 km (0.08 R)
• M8: 6,131,269 km (0.103 R)
• M9: 8,937,426 km (0.086 R)
• M10: 9,963,218 km (0.05 R)
• M11: 12,623,218 km (0.088 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 348 - 12,662 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit