🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.74 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.47 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.15

Radius: 1.06

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 1.42 AU - 1.52 AU

Year: 621 Days

Day: 22.2 Hours

Environment

Temp: -12 °C

Axial Tilt: 0.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 3.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.57

Radius: 1.84

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 2.86 AU - 4.48 AU

Year: 2448 Days

Day: 13.7 Hours

Environment

Temp: -96 °C

Axial Tilt: 0.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 6.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 396.6

Radius: 11.8

Gravity: 2.85 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 5.91 AU - 7.77 AU

Year: 6230 Days

Day: 13.3 Hours

Environment

Temp: -145 °C

Axial Tilt: 44.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 29,141,118 km

• M1: 146,756 km (0.103 R)
• M2: 518,207 km (0.072 R)
• M3: 1,061,696 km (0.114 R)
• M4: 1,866,682 km (0.103 R)
• M5: 2,684,534 km (0.093 R)
• M6: 6,535,632 km (0.105 R)
• M7: 8,828,219 km (0.097 R)
• M8: 10,134,508 km (0.088 R)
• M9: 12,232,618 km (0.051 R)
• M10: 13,906,020 km (0.095 R)
• M11: 15,842,714 km (0.034 R)
• M12: 21,072,954 km (0.082 R)

Kuiper Belt

Range: 31.5 - 58.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 406 - 20,009 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit