🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.25 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.87

Radius: 1.52

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 1.04 AU - 1.46 AU

Year: 505 Days

Day: 31 Hours

Environment

Temp: 9 °C

Axial Tilt: 39.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.37 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.02

Radius: 1.32

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 1.11 AU - 1.63 AU

Year: 580 Days

Day: 13.3 Hours

Environment

Temp: -6 °C

Axial Tilt: 97 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.28

Radius: 0.6

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 1.56 AU - 1.82 AU

Year: 795 Days

Day: 30.1 Hours

Environment

Temp: -39 °C

Axial Tilt: 6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 54,642,668 km

• M1: 96,790 km (0.08 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.67

Radius: 1.68

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 2.11 AU - 2.39 AU

Year: 1221 Days

Day: 33.2 Hours

Environment

Temp: -83 °C

Axial Tilt: 45.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.33 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.57

Radius: 1.46

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 2.94 AU - 3.72 AU

Year: 2198 Days

Day: 36.7 Hours

Environment

Temp: -101 °C

Axial Tilt: 12.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.09 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.79

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 3.94 AU - 4.24 AU

Year: 2991 Days

Day: 29.7 Hours

Environment

Temp: -118 °C

Axial Tilt: 36 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 8.7 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 13.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 329.8

Radius: 6.7

Gravity: 7.35 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 10.01 AU - 16.59 AU

Year: 17542 Days

Day: 17.7 Hours

Environment

Temp: -177 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 54,642,668 km

• M1: 96,939 km (0.097 R)
• M2: 324,029 km (0.101 R)
• M3: 1,230,442 km (0.107 R)
• M4: 1,804,898 km (0.067 R)
• M5: 2,284,958 km (0.111 R)
• M6: 2,802,417 km (0.073 R)
• M7: 5,188,802 km (0.094 R)
• M8: 6,192,903 km (0.098 R)
• M9: 8,205,892 km (0.11 R)
• M10: 8,438,068 km (0.087 R)
• M11: 9,716,232 km (0.114 R)
• M12: 10,240,573 km (0.086 R)
• M13: 12,774,312 km (0.097 R)
• M14: 15,205,427 km (0.071 R)
• M15: 15,983,784 km (0.103 R)
• M16: 16,862,822 km (0.115 R)
• M17: 27,188,067 km (0.081 R)
• M18: 27,497,136 km (0.096 R)
• M19: 34,184,310 km (0.109 R)
• M20: 35,640,496 km (0.05 R)
• M21: 40,927,135 km (0.086 R)

Kuiper Belt

Range: 30.3 - 46.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 424 - 13,171 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit