🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.15

Radius: 0.47

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 0.47 AU - 0.75 AU

Year: 169 Days

Day: 47.1 Hours

Environment

Temp: 235 °C

Axial Tilt: 18.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.66

Radius: 1.22

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 1.47 AU - 1.71 AU

Year: 711 Days

Day: 47.8 Hours

Environment

Temp: -39 °C

Axial Tilt: 21.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.37

Radius: 1.41

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 1.7 AU - 2.54 AU

Year: 1095 Days

Day: 38.5 Hours

Environment

Temp: -66 °C

Axial Tilt: 18.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 6.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 853

Radius: 13.5

Gravity: 4.68 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 4.91 AU - 7.45 AU

Year: 5450 Days

Day: 13.4 Hours

Environment

Temp: -155 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 34,408,544 km

• M1: 167,849 km (0.084 R)
• M2: 749,037 km (0.064 R)
• M3: 1,289,833 km (0.039 R)
• M4: 2,183,381 km (0.08 R)
• M5: 2,759,482 km (0.109 R)
• M6: 3,393,179 km (0.111 R)
• M7: 5,294,418 km (0.086 R)
• M8: 5,771,935 km (0.062 R)
• M9: 7,527,017 km (0.067 R)
• M10: 9,018,208 km (0.108 R)
• M11: 10,792,439 km (0.06 R)
• M12: 13,270,378 km (0.07 R)
• M13: 14,269,243 km (0.113 R)
• M14: 15,377,464 km (0.084 R)
• M15: 15,922,001 km (0.083 R)
• M16: 18,096,555 km (0.111 R)
• M17: 19,255,041 km (0.075 R)
• M18: 20,535,001 km (0.095 R)
• M19: 22,871,270 km (0.072 R)
• M20: 24,469,574 km (0.061 R)
• M21: 25,129,301 km (0.075 R)
• M22: 26,484,358 km (0.046 R)
• M23: 26,917,743 km (0.106 R)
• M24: 29,247,730 km (0.061 R)
• M25: 33,290,912 km (0.101 R)

Kuiper Belt

Range: 30.9 - 52.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 519 - 17,740 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit