🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.99 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.02

Radius: 1.32

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 0.76 AU - 1.22 AU

Year: 346 Days

Day: 26 Hours

Environment

Temp: 157 °C

Axial Tilt: 35.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 2.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.32

Radius: 1.4

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 2.02 AU - 3.08 AU

Year: 1431 Days

Day: 37.6 Hours

Environment

Temp: -77 °C

Axial Tilt: 48.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 10.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 87.4

Radius: 12.9

Gravity: 0.53 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 9.51 AU - 11.37 AU

Year: 11856 Days

Day: 8 Hours

Environment

Temp: -174 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 27,030,857 km

• M1: 161,267 km (0.112 R)
• M2: 570,267 km (0.072 R)
• M3: 992,283 km (0.11 R)
• M4: 1,477,877 km (0.086 R)
• M5: 1,945,371 km (0.093 R)
• M6: 2,725,075 km (0.063 R)
• M7: 3,244,927 km (0.082 R)
• M8: 3,788,117 km (0.12 R)
• M9: 9,575,909 km (0.101 R)
• M10: 11,181,992 km (0.055 R)
• M11: 14,177,689 km (0.071 R)
• M12: 16,372,739 km (0.061 R)
• M13: 17,073,306 km (0.093 R)
• M14: 18,161,481 km (0.103 R)
• M15: 21,983,706 km (0.076 R)

Kuiper Belt

Range: 31.2 - 58.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 340 - 15,749 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit