🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.83 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.21

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 0.66 AU - 1 AU

Year: 268 Days

Day: 25.3 Hours

Environment

Temp: 163 °C

Axial Tilt: 36.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 60,435,255 km

• M1: 186,100 km (0.087 R)
• M2: 263,591 km (0.096 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.62

Radius: 1.47

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 1.51 AU - 2.47 AU

Year: 996 Days

Day: 43.5 Hours

Environment

Temp: -56 °C

Axial Tilt: 24.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.82 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.17

Radius: 1.06

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 2.43 AU - 3.21 AU

Year: 1680 Days

Day: 21.9 Hours

Environment

Temp: -95 °C

Axial Tilt: 29.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 4.8 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.61

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 3.65 AU - 5.95 AU

Year: 3731 Days

Day: 31.9 Hours

Environment

Temp: -121 °C

Axial Tilt: 7.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Ice Giant

Semi-Major Axis: 17.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 203.9

Radius: 4.9

Gravity: 8.49 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 16.95 AU - 18.03 AU

Year: 25949 Days

Day: 20.9 Hours

Environment

Temp: -202 °C

Axial Tilt: 48.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 60,435,255 km

• M1: 60,886 km (0.039 R)
• M2: 413,040 km (0.109 R)
• M3: 1,097,749 km (0.118 R)
• M4: 1,564,046 km (0.066 R)
• M5: 1,824,944 km (0.066 R)
• M6: 1,984,117 km (0.112 R)
• M7: 2,671,668 km (0.06 R)
• M8: 3,810,108 km (0.025 R)
• M9: 3,983,193 km (0.091 R)
• M10: 4,761,401 km (0.117 R)
• M11: 5,562,498 km (0.064 R)
• M12: 6,654,712 km (0.096 R)
• M13: 7,163,943 km (0.079 R)
• M14: 9,410,155 km (0.115 R)
• M15: 9,780,559 km (0.105 R)
• M16: 11,779,935 km (0.117 R)
• M17: 16,949,289 km (0.11 R)
• M18: 19,636,815 km (0.119 R)
• M19: 38,596,550 km (0.097 R)
• M20: 41,767,875 km (0.094 R)
• M21: 42,479,662 km (0.098 R)
• M22: 45,108,844 km (0.109 R)
• M23: 45,407,442 km (0.05 R)
• M24: 50,688,546 km (0.11 R)

Kuiper Belt

Range: 30.9 - 58.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 168 - 16,628 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit