🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.23

Radius: 1.38

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 0.51 AU - 0.75 AU

Year: 180 Days

Day: 14.1 Hours

Environment

Temp: 185 °C

Axial Tilt: 10.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 95,475,561 km

• M1: 32,164 km (0.092 R)
• M2: 250,128 km (0.113 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.42 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.78

Radius: 1.7

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 1.92 AU - 2.92 AU

Year: 1355 Days

Day: 38.3 Hours

Environment

Temp: -84 °C

Axial Tilt: 2.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.79

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 2.26 AU - 2.8 AU

Year: 1448 Days

Day: 19.5 Hours

Environment

Temp: -94 °C

Axial Tilt: 35.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.73 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.13

Radius: 1.58

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 2.28 AU - 3.18 AU

Year: 1623 Days

Day: 47.6 Hours

Environment

Temp: -89 °C

Axial Tilt: 0.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.85 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.79

Radius: 1.26

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 2.31 AU - 3.39 AU

Year: 1732 Days

Day: 15.3 Hours

Environment

Temp: -101 °C

Axial Tilt: 12.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 5.02 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.3

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 3.77 AU - 6.27 AU

Year: 4048 Days

Day: 42.8 Hours

Environment

Temp: -139 °C

Axial Tilt: 3.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 95,475,561 km

• M1: 42,785 km (0.117 R)

Planet 7 - Ice Giant

Semi-Major Axis: 19.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 590.5

Radius: 4.8

Gravity: 25.63 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 17.68 AU - 20.72 AU

Year: 30278 Days

Day: 23.1 Hours

Environment

Temp: -202 °C

Axial Tilt: 136.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 95,475,561 km

• M1: 59,690 km (0.112 R)
• M2: 305,030 km (0.115 R)
• M3: 1,146,518 km (0.08 R)
• M4: 1,428,809 km (0.116 R)
• M5: 2,268,502 km (0.042 R)
• M6: 2,661,795 km (0.114 R)
• M7: 3,910,040 km (0.059 R)
• M8: 5,895,652 km (0.111 R)
• M9: 6,635,862 km (0.1 R)
• M10: 7,540,630 km (0.064 R)
• M11: 16,283,429 km (0.068 R)
• M12: 19,064,304 km (0.103 R)
• M13: 19,457,447 km (0.039 R)
• M14: 27,741,579 km (0.058 R)
• M15: 35,822,108 km (0.094 R)
• M16: 42,944,911 km (0.07 R)
• M17: 43,620,196 km (0.099 R)
• M18: 45,513,806 km (0.071 R)
• M19: 47,821,652 km (0.099 R)
• M20: 73,393,912 km (0.109 R)
• M21: 81,866,836 km (0.105 R)
• M22: 90,968,520 km (0.103 R)

Kuiper Belt

Range: 30.5 - 50.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 435 - 15,280 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit