🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.06

Radius: 1.34

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 0.47 AU - 0.67 AU

Year: 162 Days

Day: 26.8 Hours

Environment

Temp: 213 °C

Axial Tilt: 19.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.51

Radius: 1.65

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 0.6 AU - 0.62 AU

Year: 179 Days

Day: 12.2 Hours

Environment

Temp: 201 °C

Axial Tilt: 3.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.78 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.85

Radius: 1.88

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 0.77 AU - 0.79 AU

Year: 260 Days

Day: 16.4 Hours

Environment

Temp: 138 °C

Axial Tilt: 25.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 29,546,802 km

• M1: 127,158 km (0.101 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.19 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2

Radius: 1.32

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 1.14 AU - 1.24 AU

Year: 489 Days

Day: 33.9 Hours

Environment

Temp: -21 °C

Axial Tilt: 9.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 29,546,802 km

• M1: 797,057 km (0.067 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.52

Radius: 1.65

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 3.44 AU - 3.8 AU

Year: 2595 Days

Day: 47.9 Hours

Environment

Temp: -123 °C

Axial Tilt: 34.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 29,546,802 km

• M1: 62,831 km (0.073 R)

Planet 6 - Terrestrial

Semi-Major Axis: 3.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.87

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 2.99 AU - 4.35 AU

Year: 2649 Days

Day: 31.3 Hours

Environment

Temp: -125 °C

Axial Tilt: 8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Gas Giant

Semi-Major Axis: 8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 220.8

Radius: 8.8

Gravity: 2.85 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 7.04 AU - 8.96 AU

Year: 8524 Days

Day: 11.2 Hours

Environment

Temp: -163 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 29,546,802 km

• M1: 109,655 km (0.098 R)
• M2: 663,467 km (0.064 R)
• M3: 1,236,127 km (0.081 R)
• M4: 1,896,303 km (0.111 R)
• M5: 2,213,450 km (0.095 R)
• M6: 2,600,011 km (0.12 R)
• M7: 3,185,238 km (0.09 R)
• M8: 4,060,385 km (0.072 R)
• M9: 4,822,437 km (0.105 R)
• M10: 5,196,432 km (0.034 R)
• M11: 6,002,914 km (0.104 R)
• M12: 6,531,742 km (0.119 R)
• M13: 6,890,179 km (0.094 R)
• M14: 10,077,212 km (0.116 R)
• M15: 11,514,099 km (0.071 R)
• M16: 14,458,485 km (0.037 R)
• M17: 20,931,884 km (0.077 R)
• M18: 22,957,289 km (0.12 R)
• M19: 23,940,746 km (0.06 R)
• M20: 25,910,351 km (0.098 R)
• M21: 26,562,748 km (0.065 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 506 - 14,128 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit