🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.2

Radius: 1.37

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 0.51 AU - 0.69 AU

Year: 170 Days

Day: 35.7 Hours

Environment

Temp: 181 °C

Axial Tilt: 28.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.06 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.59

Radius: 0.81

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 0.97 AU - 1.15 AU

Year: 399 Days

Day: 23.7 Hours

Environment

Temp: 29 °C

Axial Tilt: 9.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.08 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.79

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 0.97 AU - 1.19 AU

Year: 410 Days

Day: 45.5 Hours

Environment

Temp: 11 °C

Axial Tilt: 18.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 2.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.59

Radius: 1.67

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 2.19 AU - 2.91 AU

Year: 1487 Days

Day: 33.2 Hours

Environment

Temp: -86 °C

Axial Tilt: 33.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.35 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.41

Radius: 1.15

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 3.09 AU - 3.61 AU

Year: 2240 Days

Day: 33.7 Hours

Environment

Temp: -116 °C

Axial Tilt: 9.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 11.46 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 19.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 174

Radius: 4.6

Gravity: 8.22 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 17.78 AU - 21.34 AU

Year: 31597 Days

Day: 23.2 Hours

Environment

Temp: -196 °C

Axial Tilt: 138.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 65,365,516 km

• M1: 57,296 km (0.102 R)
• M2: 228,885 km (0.096 R)
• M3: 697,276 km (0.12 R)
• M4: 851,810 km (0.115 R)
• M5: 1,342,641 km (0.119 R)
• M6: 1,617,303 km (0.1 R)
• M7: 1,820,456 km (0.098 R)
• M8: 2,217,340 km (0.051 R)
• M9: 2,447,122 km (0.054 R)
• M10: 2,857,319 km (0.1 R)
• M11: 3,078,874 km (0.065 R)
• M12: 5,544,845 km (0.056 R)
• M13: 7,978,354 km (0.108 R)
• M14: 9,507,543 km (0.117 R)
• M15: 14,735,689 km (0.064 R)
• M16: 14,880,949 km (0.096 R)
• M17: 16,078,330 km (0.107 R)
• M18: 17,909,857 km (0.102 R)
• M19: 18,158,638 km (0.103 R)
• M20: 18,493,738 km (0.085 R)
• M21: 25,883,124 km (0.086 R)
• M22: 30,339,645 km (0.045 R)
• M23: 30,693,145 km (0.115 R)
• M24: 52,928,026 km (0.087 R)
• M25: 59,846,927 km (0.105 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 417 - 13,972 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit