🌌 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: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.41

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.39 AU - 0.63 AU

Year: 127 Days

Day: 42.3 Hours

Environment

Temp: 282 °C

Axial Tilt: 19.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.02

Radius: 1.56

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 0.42 AU - 0.66 AU

Year: 138 Days

Day: 31.1 Hours

Environment

Temp: 204 °C

Axial Tilt: 1.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 48,924,897 km

• M1: 37,100 km (0.07 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.31

Radius: 1.4

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 0.55 AU - 0.61 AU

Year: 154 Days

Day: 35.8 Hours

Environment

Temp: 253 °C

Axial Tilt: 98.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 48,924,897 km

• M1: 320,139 km (0.065 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.04

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 1.54 AU - 2.16 AU

Year: 876 Days

Day: 23.9 Hours

Environment

Temp: -43 °C

Axial Tilt: 25.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Ice Giant

Semi-Major Axis: 15.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 174.1

Radius: 4.4

Gravity: 8.99 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 14.76 AU - 15.46 AU

Year: 20455 Days

Day: 22.8 Hours

Environment

Temp: -177 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 48,924,897 km

• M1: 55,800 km (0.046 R)
• M2: 457,470 km (0.069 R)
• M3: 688,898 km (0.067 R)
• M4: 1,538,913 km (0.118 R)
• M5: 1,908,570 km (0.047 R)
• M6: 2,167,972 km (0.112 R)
• M7: 2,821,865 km (0.096 R)
• M8: 3,398,265 km (0.056 R)
• M9: 3,967,485 km (0.099 R)
• M10: 4,507,982 km (0.083 R)
• M11: 4,688,547 km (0.094 R)
• M12: 4,873,899 km (0.12 R)
• M13: 5,839,553 km (0.088 R)
• M14: 6,499,279 km (0.066 R)
• M15: 8,319,287 km (0.047 R)
• M16: 13,662,325 km (0.089 R)
• M17: 16,319,333 km (0.061 R)
• M18: 17,251,926 km (0.035 R)
• M19: 17,472,134 km (0.093 R)
• M20: 19,301,416 km (0.101 R)
• M21: 27,496,089 km (0.088 R)
• M22: 28,403,998 km (0.106 R)
• M23: 32,793,948 km (0.059 R)
• M24: 38,482,855 km (0.05 R)
• M25: 40,001,274 km (0.118 R)
• M26: 40,516,040 km (0.093 R)
• M27: 44,795,287 km (0.097 R)
• M28: 45,350,445 km (0.106 R)
• M29: 47,186,609 km (0.088 R)

Kuiper Belt

Range: 31.5 - 55.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 534 - 18,184 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit