🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.52 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.04 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.85

Radius: 1.88

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 0.86 AU - 1.22 AU

Year: 385 Days

Day: 27.5 Hours

Environment

Temp: 38 °C

Axial Tilt: 46.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 27,398,017 km

• M1: 51,013 km (0.041 R)
• M2: 996,920 km (0.098 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.64

Radius: 1.22

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 1.91 AU - 2.41 AU

Year: 1154 Days

Day: 19.6 Hours

Environment

Temp: -65 °C

Axial Tilt: 7.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 3.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.23

Radius: 0.56

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 3.38 AU - 3.76 AU

Year: 2451 Days

Day: 17.2 Hours

Environment

Temp: -107 °C

Axial Tilt: 42.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 27,398,017 km

• M1: 30,219 km (0.071 R)
• M2: 117,883 km (0.052 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.83 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.34

Radius: 1.41

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 3.54 AU - 4.12 AU

Year: 2724 Days

Day: 46.6 Hours

Environment

Temp: -113 °C

Axial Tilt: 16.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 8.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 157.7

Radius: 10.5

Gravity: 1.43 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 7.23 AU - 9.78 AU

Year: 9007 Days

Day: 13.8 Hours

Environment

Temp: -165 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 27,398,017 km

• M1: 143,464 km (0.04 R)
• M2: 1,032,525 km (0.104 R)
• M3: 2,209,112 km (0.056 R)
• M4: 5,048,629 km (0.109 R)
• M5: 5,874,260 km (0.082 R)
• M6: 8,185,547 km (0.106 R)
• M7: 9,685,116 km (0.117 R)
• M8: 11,405,491 km (0.078 R)
• M9: 16,817,194 km (0.12 R)
• M10: 19,353,327 km (0.038 R)
• M11: 22,778,520 km (0.111 R)
• M12: 23,509,006 km (0.068 R)
• M13: 26,110,064 km (0.099 R)

Kuiper Belt

Range: 30.2 - 45.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 207 - 12,254 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit