🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.98 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.7

Radius: 0.87

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 0.94 AU - 1.02 AU

Year: 367 Days

Day: 38.5 Hours

Environment

Temp: 28 °C

Axial Tilt: 17.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 4.04 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.2

Radius: 0.53

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 3.86 AU - 4.22 AU

Year: 3076 Days

Day: 25.3 Hours

Environment

Temp: -135 °C

Axial Tilt: 18.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Ice Giant

Semi-Major Axis: 14.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 18.3

Radius: 5.8

Gravity: 0.54 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 11.56 AU - 16.64 AU

Year: 20053 Days

Day: 17.3 Hours

Environment

Temp: -188 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 22,786,201 km

• M1: 72,256 km (0.086 R)
• M2: 285,433 km (0.087 R)
• M3: 1,088,325 km (0.073 R)
• M4: 1,472,043 km (0.114 R)
• M5: 2,810,346 km (0.106 R)
• M6: 3,550,406 km (0.115 R)
• M7: 4,808,674 km (0.1 R)
• M8: 5,407,365 km (0.091 R)
• M9: 7,151,377 km (0.064 R)
• M10: 11,313,638 km (0.118 R)
• M11: 12,232,917 km (0.049 R)
• M12: 12,780,146 km (0.102 R)
• M13: 17,188,795 km (0.11 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 453 - 11,235 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit