🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.8 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.01

Radius: 1

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 1.2 AU - 1.98 AU

Year: 729 Days

Day: 22.3 Hours

Environment

Temp: -39 °C

Axial Tilt: 7.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 20,594,776 km

• M1: 595,549 km (0.116 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.34

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 1.68 AU - 2.26 AU

Year: 1005 Days

Day: 12.1 Hours

Environment

Temp: -69 °C

Axial Tilt: 31.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Ice Giant

Semi-Major Axis: 15.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 11.9

Radius: 5.4

Gravity: 0.41 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 12.22 AU - 18.02 AU

Year: 21368 Days

Day: 24.9 Hours

Environment

Temp: -198 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 20,594,776 km

• M1: 67,319 km (0.034 R)
• M2: 599,588 km (0.1 R)
• M3: 1,202,468 km (0.104 R)
• M4: 1,925,325 km (0.057 R)
• M5: 2,726,571 km (0.099 R)
• M6: 7,017,935 km (0.115 R)
• M7: 7,260,134 km (0.106 R)
• M8: 10,577,317 km (0.055 R)
• M9: 13,445,258 km (0.082 R)
• M10: 13,819,103 km (0.091 R)
• M11: 14,636,207 km (0.091 R)

Kuiper Belt

Range: 30.2 - 54.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 160 - 11,170 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit