🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.63 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.25 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.88

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 1.24 AU - 1.26 AU

Year: 521 Days

Day: 28.8 Hours

Environment

Temp: -12 °C

Axial Tilt: 0 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 61,693,598 km

• M1: 687,402 km (0.047 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.22

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 1.85 AU - 1.85 AU

Year: 938 Days

Day: 38.1 Hours

Environment

Temp: -56 °C

Axial Tilt: 35.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 61,693,598 km

• M1: 55,650 km (0.117 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.92

Radius: 1.54

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 1.96 AU - 2.58 AU

Year: 1275 Days

Day: 28.8 Hours

Environment

Temp: -89 °C

Axial Tilt: 38.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 61,693,598 km

• M1: 718,967 km (0.108 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.67

Radius: 1.48

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 2.23 AU - 2.99 AU

Year: 1572 Days

Day: 23.4 Hours

Environment

Temp: -94 °C

Axial Tilt: 23.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.26 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.32

Radius: 1.8

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 2.8 AU - 3.72 AU

Year: 2194 Days

Day: 29 Hours

Environment

Temp: -115 °C

Axial Tilt: 46.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 61,693,598 km

• M1: 1,719,328 km (0.107 R)

Asteroid Belt

Center: 8.91 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 14.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 340.5

Radius: 5.5

Gravity: 11.26 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 10.93 AU - 18.19 AU

Year: 20711 Days

Day: 23.1 Hours

Environment

Temp: -183 °C

Axial Tilt: 44.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 61,693,598 km

• M1: 68,366 km (0.052 R)
• M2: 289,173 km (0.091 R)
• M3: 576,401 km (0.115 R)
• M4: 1,066,334 km (0.11 R)
• M5: 2,243,070 km (0.106 R)
• M6: 2,733,303 km (0.113 R)
• M7: 3,292,200 km (0.058 R)
• M8: 3,752,064 km (0.105 R)
• M9: 4,284,633 km (0.079 R)
• M10: 5,835,065 km (0.094 R)
• M11: 8,147,250 km (0.05 R)
• M12: 9,036,759 km (0.083 R)
• M13: 9,826,187 km (0.034 R)
• M14: 11,421,049 km (0.12 R)
• M15: 11,783,974 km (0.065 R)
• M16: 11,968,278 km (0.04 R)
• M17: 12,342,722 km (0.089 R)
• M18: 12,918,973 km (0.106 R)
• M19: 13,114,946 km (0.063 R)
• M20: 13,987,401 km (0.114 R)
• M21: 19,189,966 km (0.074 R)
• M22: 23,649,778 km (0.106 R)
• M23: 33,674,929 km (0.114 R)
• M24: 34,924,221 km (0.119 R)
• M25: 35,816,722 km (0.104 R)
• M26: 36,855,380 km (0.089 R)
• M27: 37,382,264 km (0.099 R)
• M28: 38,181,715 km (0.097 R)
• M29: 45,594,888 km (0.051 R)
• M30: 49,317,930 km (0.106 R)
• M31: 52,904,240 km (0.071 R)
• M32: 53,574,588 km (0.055 R)
• M33: 55,103,179 km (0.114 R)
• M34: 56,660,642 km (0.075 R)
• M35: 59,501,655 km (0.089 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 255 - 16,833 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit