🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.79

Radius: 1.51

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 0.55 AU - 0.61 AU

Year: 290 Days

Day: 44.9 Hours

Environment

Temp: -123 °C

Axial Tilt: 6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 12,949,762 km

• M1: 146,456 km (0.116 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.83

Radius: 1.88

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 0.6 AU - 0.68 AU

Year: 336 Days

Day: 33.8 Hours

Environment

Temp: -125 °C

Axial Tilt: 48.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 500.4

Radius: 13.6

Gravity: 2.71 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 0.68 AU - 0.9 AU

Year: 461 Days

Day: 8.1 Hours

Environment

Temp: -144 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 12,949,762 km

• M1: 169,195 km (0.109 R)
• M2: 605,722 km (0.072 R)
• M3: 1,123,779 km (0.084 R)
• M4: 1,715,289 km (0.115 R)
• M5: 2,201,632 km (0.082 R)
• M6: 2,750,806 km (0.08 R)
• M7: 4,221,951 km (0.084 R)
• M8: 4,678,973 km (0.082 R)
• M9: 5,169,205 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 341.8

Radius: 10

Gravity: 3.42 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 0.84 AU - 0.96 AU

Year: 560 Days

Day: 11.2 Hours

Environment

Temp: -162 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 12,949,762 km

• M1: 124,316 km (0.031 R)
• M2: 643,720 km (0.084 R)
• M3: 1,100,592 km (0.074 R)
• M4: 1,703,022 km (0.077 R)
• M5: 2,267,305 km (0.06 R)
• M6: 3,732,168 km (0.051 R)
• M7: 4,543,587 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 930

Radius: 11.2

Gravity: 7.41 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 1.2 AU - 1.8 AU

Year: 1205 Days

Day: 11.6 Hours

Environment

Temp: -169 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 12,949,762 km

• M1: 143,016 km (0.046 R)
• M2: 647,310 km (0.073 R)
• M3: 1,028,635 km (0.04 R)
• M4: 1,460,823 km (0.088 R)
• M5: 2,167,673 km (0.045 R)
• M6: 2,587,445 km (0.117 R)
• M7: 3,061,371 km (0.105 R)
• M8: 3,592,742 km (0.116 R)
• M9: 4,477,015 km (0.09 R)
• M10: 4,920,723 km (0.05 R)
• M11: 7,597,328 km (0.035 R)
• M12: 7,978,802 km (0.112 R)
• M13: 8,750,727 km (0.115 R)
• M14: 9,385,022 km (0.087 R)
• M15: 9,761,111 km (0.11 R)
• M16: 10,711,656 km (0.12 R)
• M17: 11,227,021 km (0.097 R)
• M18: 12,122,663 km (0.109 R)
• M19: 12,949,790 km (0.038 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 147 - 15,983 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit