🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.65 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.29 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.42

Radius: 1.42

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 1.27 AU - 1.31 AU

Year: 535 Days

Day: 22.7 Hours

Environment

Temp: -0 °C

Axial Tilt: 4.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 37,090,889 km

• M1: 53,556 km (0.099 R)
• M2: 99,782 km (0.099 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.31

Radius: 1.79

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 2.06 AU - 2.16 AU

Year: 1119 Days

Day: 13.6 Hours

Environment

Temp: -68 °C

Axial Tilt: 22.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.14

Radius: 1.77

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 1.78 AU - 2.54 AU

Year: 1160 Days

Day: 37.6 Hours

Environment

Temp: -65 °C

Axial Tilt: 17.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.33

Radius: 0.64

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 2.27 AU - 2.47 AU

Year: 1333 Days

Day: 38 Hours

Environment

Temp: -87 °C

Axial Tilt: 22.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.39

Radius: 1.14

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 2.06 AU - 3.12 AU

Year: 1522 Days

Day: 43.4 Hours

Environment

Temp: -81 °C

Axial Tilt: 176.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 37,090,889 km

• M1: 83,476 km (0.107 R)
• M2: 952,190 km (0.025 R)

Planet 6 - Terrestrial

Semi-Major Axis: 3.15 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.48

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 3.01 AU - 3.29 AU

Year: 2042 Days

Day: 46.7 Hours

Environment

Temp: -106 °C

Axial Tilt: 8.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 4.76 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.77

Radius: 1.7

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 4.63 AU - 4.89 AU

Year: 3793 Days

Day: 44.3 Hours

Environment

Temp: -127 °C

Axial Tilt: 34.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.92 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 9.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 317.8

Radius: 10.8

Gravity: 2.72 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 7.75 AU - 10.41 AU

Year: 9994 Days

Day: 8.2 Hours

Environment

Temp: -177 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 37,090,889 km

• M1: 134,638 km (0.116 R)
• M2: 506,688 km (0.076 R)
• M3: 1,044,941 km (0.074 R)
• M4: 1,625,680 km (0.078 R)
• M5: 2,553,187 km (0.102 R)
• M6: 3,995,759 km (0.076 R)
• M7: 5,482,014 km (0.036 R)
• M8: 5,825,341 km (0.117 R)
• M9: 6,906,634 km (0.078 R)
• M10: 8,942,063 km (0.112 R)
• M11: 9,419,280 km (0.057 R)
• M12: 10,097,258 km (0.063 R)
• M13: 11,349,392 km (0.066 R)
• M14: 11,857,426 km (0.119 R)
• M15: 13,194,532 km (0.105 R)
• M16: 13,813,718 km (0.097 R)
• M17: 14,217,632 km (0.063 R)
• M18: 15,787,811 km (0.074 R)
• M19: 18,914,556 km (0.095 R)
• M20: 20,436,565 km (0.025 R)
• M21: 20,885,957 km (0.055 R)
• M22: 21,804,787 km (0.104 R)
• M23: 22,990,799 km (0.078 R)
• M24: 23,722,931 km (0.119 R)
• M25: 26,012,377 km (0.105 R)
• M26: 29,669,297 km (0.112 R)
• M27: 30,052,716 km (0.114 R)
• M28: 30,439,726 km (0.109 R)
• M29: 31,819,916 km (0.069 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 222 - 11,990 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit