🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.2

Radius: 1.59

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 0.53 AU - 0.79 AU

Year: 237 Days

Day: 22 Hours

Environment

Temp: 3 °C

Axial Tilt: 8.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 30,489,702 km

• M1: 207,193 km (0.106 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.27

Radius: 1.39

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 0.64 AU - 0.84 AU

Year: 282 Days

Day: 20.5 Hours

Environment

Temp: -39 °C

Axial Tilt: 32.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.8

Radius: 1.27

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 1.16 AU - 1.66 AU

Year: 742 Days

Day: 47.4 Hours

Environment

Temp: -86 °C

Axial Tilt: 2.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 30,489,702 km

• M1: 57,595 km (0.094 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.49

Radius: 1.44

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 1.75 AU - 2.03 AU

Year: 1151 Days

Day: 36.8 Hours

Environment

Temp: -117 °C

Axial Tilt: 0.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 6.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 405.8

Radius: 13.2

Gravity: 2.33 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 4.71 AU - 7.39 AU

Year: 6591 Days

Day: 13.4 Hours

Environment

Temp: -184 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 30,489,702 km

• M1: 166,054 km (0.028 R)
• M2: 1,602,792 km (0.09 R)
• M3: 3,135,272 km (0.096 R)
• M4: 3,602,466 km (0.111 R)
• M5: 4,527,280 km (0.075 R)
• M6: 5,182,070 km (0.095 R)
• M7: 5,721,371 km (0.078 R)
• M8: 7,855,833 km (0.107 R)
• M9: 10,972,256 km (0.098 R)
• M10: 11,720,544 km (0.113 R)
• M11: 12,303,976 km (0.097 R)
• M12: 12,957,719 km (0.07 R)
• M13: 14,946,174 km (0.039 R)
• M14: 16,884,663 km (0.027 R)
• M15: 17,755,771 km (0.056 R)
• M16: 18,461,125 km (0.045 R)
• M17: 19,655,515 km (0.067 R)
• M18: 21,470,735 km (0.062 R)
• M19: 23,167,624 km (0.096 R)
• M20: 23,778,282 km (0.091 R)
• M21: 24,556,790 km (0.034 R)
• M22: 25,031,913 km (0.077 R)
• M23: 26,000,708 km (0.095 R)
• M24: 27,078,262 km (0.101 R)
• M25: 28,444,988 km (0.117 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: 495 - 10,652 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit