🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.25

Radius: 1.78

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 0.61 AU - 0.71 AU

Year: 198 Days

Day: 14.1 Hours

Environment

Temp: 135 °C

Axial Tilt: 19.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.69 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.26

Radius: 1.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 0.67 AU - 0.71 AU

Year: 211 Days

Day: 33.7 Hours

Environment

Temp: 168 °C

Axial Tilt: 28.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.71 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.32

Radius: 1.12

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 0.57 AU - 0.85 AU

Year: 221 Days

Day: 45.6 Hours

Environment

Temp: 159 °C

Axial Tilt: 47.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 0.74 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.24

Radius: 1.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 0.64 AU - 0.84 AU

Year: 235 Days

Day: 37.9 Hours

Environment

Temp: 154 °C

Axial Tilt: 20.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 5 - Terrestrial

Semi-Major Axis: 0.83 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.22

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 0.79 AU - 0.87 AU

Year: 279 Days

Day: 46.9 Hours

Environment

Temp: 159 °C

Axial Tilt: 21.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 55,404,203 km

• M1: 49,816 km (0.074 R)

Planet 6 - Terrestrial

Semi-Major Axis: 1.14 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.57

Radius: 1.46

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 1.1 AU - 1.18 AU

Year: 449 Days

Day: 41.7 Hours

Environment

Temp: -2 °C

Axial Tilt: 11.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Asteroid Belt

Center: 8.11 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 15.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 226.6

Radius: 4.9

Gravity: 9.44 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 11.33 AU - 18.83 AU

Year: 21606 Days

Day: 18.5 Hours

Environment

Temp: -194 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 55,404,203 km

• M1: 61,036 km (0.117 R)
• M2: 978,669 km (0.038 R)
• M3: 1,424,770 km (0.102 R)
• M4: 1,996,084 km (0.102 R)
• M5: 2,454,153 km (0.08 R)
• M6: 2,686,329 km (0.094 R)
• M7: 2,864,201 km (0.062 R)
• M8: 3,097,723 km (0.072 R)
• M9: 7,489,019 km (0.052 R)
• M10: 8,583,327 km (0.106 R)
• M11: 15,899,710 km (0.061 R)
• M12: 16,116,927 km (0.091 R)
• M13: 21,856,997 km (0.083 R)
• M14: 22,853,020 km (0.061 R)
• M15: 23,878,962 km (0.093 R)
• M16: 30,131,106 km (0.045 R)
• M17: 42,041,639 km (0.078 R)
• M18: 43,720,576 km (0.112 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: 491 - 15,257 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit