🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.64 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.28 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.25

Radius: 1.38

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 1.02 AU - 1.54 AU

Year: 516 Days

Day: 19.9 Hours

Environment

Temp: -5 °C

Axial Tilt: 17.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.37

Radius: 1.13

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 1.62 AU - 1.8 AU

Year: 797 Days

Day: 25.7 Hours

Environment

Temp: -42 °C

Axial Tilt: 13.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 3.81 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.95

Radius: 1.31

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 3.66 AU - 3.96 AU

Year: 2651 Days

Day: 40.1 Hours

Environment

Temp: -108 °C

Axial Tilt: 39.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 45,792,312 km

• M1: 31,864 km (0.091 R)
• M2: 131,945 km (0.11 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.99 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.46

Radius: 1.64

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 3.39 AU - 4.59 AU

Year: 2841 Days

Day: 41.6 Hours

Environment

Temp: -109 °C

Axial Tilt: 28 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 45,792,312 km

• M1: 2,696,502 km (0.055 R)

Asteroid Belt

Center: 6.02 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 8.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 904.5

Radius: 8.4

Gravity: 12.82 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 7.31 AU - 8.77 AU

Year: 8126 Days

Day: 14.1 Hours

Environment

Temp: -170 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 45,792,312 km

• M1: 106,962 km (0.078 R)
• M2: 459,116 km (0.071 R)
• M3: 954,734 km (0.075 R)
• M4: 1,546,094 km (0.05 R)
• M5: 1,932,057 km (0.117 R)
• M6: 2,200,734 km (0.066 R)
• M7: 2,533,141 km (0.092 R)
• M8: 2,920,150 km (0.11 R)
• M9: 3,323,018 km (0.099 R)
• M10: 4,609,858 km (0.102 R)
• M11: 4,908,755 km (0.036 R)
• M12: 5,918,840 km (0.114 R)
• M13: 9,018,657 km (0.108 R)
• M14: 9,298,256 km (0.036 R)
• M15: 11,583,064 km (0.051 R)
• M16: 13,359,239 km (0.112 R)
• M17: 14,218,230 km (0.04 R)
• M18: 14,983,274 km (0.046 R)
• M19: 16,250,218 km (0.069 R)
• M20: 16,874,789 km (0.036 R)
• M21: 18,693,451 km (0.109 R)
• M22: 20,160,407 km (0.117 R)
• M23: 21,043,783 km (0.099 R)
• M24: 22,459,727 km (0.114 R)
• M25: 24,026,914 km (0.114 R)
• M26: 26,322,793 km (0.089 R)
• M27: 28,861,468 km (0.116 R)
• M28: 29,265,981 km (0.038 R)
• M29: 29,983,004 km (0.059 R)
• M30: 30,816,862 km (0.09 R)
• M31: 31,988,363 km (0.114 R)
• M32: 32,639,712 km (0.097 R)
• M33: 36,853,735 km (0.076 R)
• M34: 40,526,213 km (0.096 R)
• M35: 45,518,743 km (0.087 R)

Kuiper Belt

Range: 30.8 - 54.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 426 - 18,473 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit