🌌 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: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.22

Radius: 1.08

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 0.65 AU - 0.67 AU

Year: 203 Days

Day: 12.8 Hours

Environment

Temp: 114 °C

Axial Tilt: 10.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 54,377,021 km

• M1: 47,572 km (0.108 R)
• M2: 100,979 km (0.096 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.36

Radius: 1.13

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 1.78 AU - 2.06 AU

Year: 1008 Days

Day: 35.3 Hours

Environment

Temp: -69 °C

Axial Tilt: 37.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.47

Radius: 0.74

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 1.84 AU - 2.84 AU

Year: 1356 Days

Day: 22.7 Hours

Environment

Temp: -101 °C

Axial Tilt: 11.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.81 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.61

Radius: 0.82

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 2.14 AU - 3.48 AU

Year: 1784 Days

Day: 39.4 Hours

Environment

Temp: -105 °C

Axial Tilt: 3.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.49 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.84

Radius: 1.28

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 3.21 AU - 3.77 AU

Year: 2469 Days

Day: 40.7 Hours

Environment

Temp: -128 °C

Axial Tilt: 16.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 54,377,021 km

• M1: 29,920 km (0.099 R)

Planet 6 - Ice Giant

Semi-Major Axis: 11.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 425.4

Radius: 6.9

Gravity: 8.94 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 10.98 AU - 12.6 AU

Year: 15333 Days

Day: 24.2 Hours

Environment

Temp: -196 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 54,377,021 km

• M1: 143,464 km (0.096 R)
• M2: 500,854 km (0.107 R)
• M3: 808,576 km (0.071 R)
• M4: 1,029,084 km (0.091 R)
• M5: 1,566,439 km (0.064 R)
• M6: 1,898,397 km (0.078 R)
• M7: 2,163,634 km (0.103 R)
• M8: 2,556,029 km (0.082 R)
• M9: 3,431,775 km (0.037 R)
• M10: 4,523,989 km (0.104 R)
• M11: 4,742,103 km (0.068 R)
• M12: 5,166,213 km (0.055 R)
• M13: 5,722,418 km (0.112 R)
• M14: 6,015,181 km (0.047 R)
• M15: 13,532,324 km (0.086 R)
• M16: 19,271,946 km (0.07 R)
• M17: 20,349,948 km (0.059 R)
• M18: 21,119,330 km (0.032 R)
• M19: 21,819,448 km (0.091 R)
• M20: 22,898,348 km (0.049 R)
• M21: 23,358,361 km (0.054 R)
• M22: 25,750,880 km (0.09 R)
• M23: 27,159,643 km (0.116 R)
• M24: 29,801,691 km (0.051 R)
• M25: 30,571,222 km (0.077 R)
• M26: 31,016,725 km (0.068 R)
• M27: 35,468,159 km (0.072 R)
• M28: 38,618,092 km (0.05 R)
• M29: 39,138,693 km (0.032 R)
• M30: 39,532,285 km (0.052 R)
• M31: 44,321,212 km (0.032 R)
• M32: 44,748,912 km (0.114 R)
• M33: 51,497,721 km (0.11 R)
• M34: 52,764,515 km (0.107 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 454 - 14,882 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit