🌌 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: 0.65 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.8

Radius: 1.71

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 0.64 AU - 0.66 AU

Year: 218 Days

Day: 32.6 Hours

Environment

Temp: 35 °C

Axial Tilt: 3.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 17,914,040 km

• M1: 56,997 km (0.077 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.74

Radius: 1.69

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 0.7 AU - 0.7 AU

Year: 244 Days

Day: 22.4 Hours

Environment

Temp: 6 °C

Axial Tilt: 41.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 17,914,040 km

• M1: 39,344 km (0.075 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.7

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 1.12 AU - 1.22 AU

Year: 527 Days

Day: 25.2 Hours

Environment

Temp: -57 °C

Axial Tilt: 23.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.79

Radius: 1.51

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 1.34 AU - 1.82 AU

Year: 827 Days

Day: 35.9 Hours

Environment

Temp: -86 °C

Axial Tilt: 5.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.38 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.37

Radius: 1.8

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 1.98 AU - 2.78 AU

Year: 1528 Days

Day: 17.6 Hours

Environment

Temp: -117 °C

Axial Tilt: 3.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 6.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 75.5

Radius: 8.5

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 5.37 AU - 7.61 AU

Year: 6882 Days

Day: 14.6 Hours

Environment

Temp: -166 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 17,914,040 km

• M1: 105,766 km (0.095 R)
• M2: 418,724 km (0.077 R)
• M3: 711,338 km (0.116 R)
• M4: 1,706,912 km (0.119 R)
• M5: 2,112,322 km (0.067 R)
• M6: 2,399,251 km (0.104 R)
• M7: 3,266,769 km (0.056 R)
• M8: 4,537,453 km (0.079 R)
• M9: 4,906,661 km (0.06 R)
• M10: 5,390,161 km (0.114 R)
• M11: 6,506,460 km (0.111 R)
• M12: 7,292,896 km (0.085 R)
• M13: 9,189,498 km (0.064 R)
• M14: 9,710,697 km (0.068 R)
• M15: 12,533,459 km (0.108 R)
• M16: 13,525,592 km (0.1 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 358 - 15,985 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit