🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.43

Radius: 0.71

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 0.41 AU - 0.63 AU

Year: 141 Days

Day: 36.7 Hours

Environment

Temp: 197 °C

Axial Tilt: 0.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.68

Radius: 1.23

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 0.54 AU - 0.66 AU

Year: 175 Days

Day: 46.5 Hours

Environment

Temp: 122 °C

Axial Tilt: 37.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 55,329,222 km

• M1: 34,258 km (0.091 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.4

Radius: 1.63

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 0.51 AU - 0.69 AU

Year: 175 Days

Day: 31.5 Hours

Environment

Temp: 128 °C

Axial Tilt: 1.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 55,329,222 km

• M1: 60,737 km (0.074 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.22

Radius: 1.6

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 1.64 AU - 2.46 AU

Year: 1106 Days

Day: 28.4 Hours

Environment

Temp: -88 °C

Axial Tilt: 1.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 55,329,222 km

• M1: 50,714 km (0.078 R)
• M2: 78,838 km (0.101 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.79 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.97

Radius: 1.31

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 3.35 AU - 4.23 AU

Year: 2780 Days

Day: 39.4 Hours

Environment

Temp: -119 °C

Axial Tilt: 19.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 55,329,222 km

• M1: 2,296,776 km (0.111 R)

Asteroid Belt

Center: 6.92 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 10.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 733.5

Radius: 12.5

Gravity: 4.69 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 8.74 AU - 11.34 AU

Year: 11985 Days

Day: 5.4 Hours

Environment

Temp: -173 °C

Axial Tilt: 47.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 55,329,222 km

• M1: 155,582 km (0.11 R)
• M2: 775,515 km (0.104 R)
• M3: 1,946,418 km (0.077 R)
• M4: 2,665,834 km (0.073 R)
• M5: 3,135,422 km (0.105 R)
• M6: 5,421,427 km (0.037 R)
• M7: 6,928,775 km (0.101 R)
• M8: 8,093,694 km (0.05 R)
• M9: 8,891,649 km (0.101 R)
• M10: 9,435,437 km (0.084 R)
• M11: 9,844,886 km (0.099 R)
• M12: 11,544,767 km (0.073 R)
• M13: 12,013,457 km (0.086 R)
• M14: 13,051,965 km (0.104 R)
• M15: 16,162,404 km (0.086 R)
• M16: 18,677,444 km (0.101 R)
• M17: 20,577,786 km (0.067 R)
• M18: 21,530,874 km (0.06 R)
• M19: 22,242,361 km (0.077 R)
• M20: 30,243,902 km (0.106 R)
• M21: 33,562,881 km (0.097 R)
• M22: 35,741,026 km (0.081 R)
• M23: 36,487,519 km (0.071 R)
• M24: 38,529,231 km (0.081 R)
• M25: 44,965,679 km (0.108 R)
• M26: 50,200,258 km (0.095 R)
• M27: 51,925,720 km (0.12 R)
• M28: 53,044,263 km (0.116 R)
• M29: 55,163,916 km (0.116 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: 369 - 17,304 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit