🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.51

Radius: 1.83

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 0.49 AU - 0.59 AU

Year: 138 Days

Day: 13.2 Hours

Environment

Temp: 253 °C

Axial Tilt: 33.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 37,944,031 km

• M1: 135,236 km (0.102 R)
• M2: 156,928 km (0.087 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.32

Radius: 1.62

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 0.59 AU - 0.73 AU

Year: 187 Days

Day: 32.1 Hours

Environment

Temp: 229 °C

Axial Tilt: 25 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.51 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.62

Radius: 1.21

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 1.43 AU - 1.59 AU

Year: 646 Days

Day: 42 Hours

Environment

Temp: -17 °C

Axial Tilt: 35.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 37,944,031 km

• M1: 29,620 km (0.065 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.94

Radius: 1.3

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 2.43 AU - 2.69 AU

Year: 1426 Days

Day: 12.5 Hours

Environment

Temp: -69 °C

Axial Tilt: 34.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.72 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.57

Radius: 1.46

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 3.44 AU - 4 AU

Year: 2499 Days

Day: 35.8 Hours

Environment

Temp: -115 °C

Axial Tilt: 0.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 37,944,031 km

• M1: 862,282 km (0.038 R)

Planet 6 - Terrestrial

Semi-Major Axis: 3.73 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.69

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 3.35 AU - 4.11 AU

Year: 2509 Days

Day: 19.2 Hours

Environment

Temp: -104 °C

Axial Tilt: 32.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 37,944,031 km

• M1: 63,579 km (0.068 R)
• M2: 916,736 km (0.084 R)

Planet 7 - Terrestrial

Semi-Major Axis: 4.24 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.11

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 4.18 AU - 4.3 AU

Year: 3040 Days

Day: 12.4 Hours

Environment

Temp: -126 °C

Axial Tilt: 36.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 37,944,031 km

• M1: 930,050 km (0.072 R)

Asteroid Belt

Center: 11 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 17.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 50.1

Radius: 3

Gravity: 5.57 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 17.32 AU - 18.18 AU

Year: 26043 Days

Day: 24.8 Hours

Environment

Temp: -201 °C

Axial Tilt: 46.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 37,944,031 km

• M1: 37,399 km (0.089 R)
• M2: 340,634 km (0.052 R)
• M3: 457,620 km (0.115 R)
• M4: 800,199 km (0.101 R)
• M5: 1,050,626 km (0.062 R)
• M6: 3,222,488 km (0.071 R)
• M7: 5,306,087 km (0.095 R)
• M8: 9,697,532 km (0.084 R)
• M9: 12,928,248 km (0.088 R)
• M10: 13,719,471 km (0.117 R)
• M11: 20,257,197 km (0.105 R)
• M12: 21,014,462 km (0.075 R)

Kuiper Belt

Range: 31.5 - 55.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 384 - 14,992 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit