🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.95

Radius: 1.73

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 0.44 AU - 0.62 AU

Year: 142 Days

Day: 38.1 Hours

Environment

Temp: 237 °C

Axial Tilt: 27.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.42

Radius: 1.64

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 0.48 AU - 0.7 AU

Year: 166 Days

Day: 28 Hours

Environment

Temp: 151 °C

Axial Tilt: 12.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 3.76 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.74

Radius: 0.89

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 2.94 AU - 4.58 AU

Year: 2676 Days

Day: 27.8 Hours

Environment

Temp: -122 °C

Axial Tilt: 39.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.86 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.38

Radius: 1.63

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 3.08 AU - 4.64 AU

Year: 2784 Days

Day: 41.2 Hours

Environment

Temp: -116 °C

Axial Tilt: 35.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 5.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 279.1

Radius: 9.9

Gravity: 2.85 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 5.28 AU - 5.72 AU

Year: 4735 Days

Day: 14.8 Hours

Environment

Temp: -136 °C

Axial Tilt: 171.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 33,938,734 km

• M1: 123,119 km (0.108 R)
• M2: 564,582 km (0.12 R)
• M3: 1,012,179 km (0.101 R)
• M4: 1,329,027 km (0.054 R)
• M5: 2,695,006 km (0.089 R)
• M6: 4,311,111 km (0.096 R)
• M7: 4,713,231 km (0.093 R)
• M8: 5,388,665 km (0.066 R)
• M9: 6,812,837 km (0.034 R)
• M10: 7,903,256 km (0.028 R)
• M11: 10,746,064 km (0.067 R)
• M12: 11,320,220 km (0.114 R)
• M13: 11,742,685 km (0.064 R)
• M14: 14,160,186 km (0.077 R)
• M15: 17,276,908 km (0.058 R)
• M16: 21,076,395 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 929.6

Radius: 12.9

Gravity: 5.59 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 5.51 AU - 6.07 AU

Year: 5114 Days

Day: 9.4 Hours

Environment

Temp: -150 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 33,938,734 km

• M1: 314,904 km (0.114 R)
• M2: 1,196,185 km (0.113 R)
• M3: 1,857,557 km (0.07 R)
• M4: 2,698,895 km (0.109 R)
• M5: 3,826,414 km (0.09 R)
• M6: 4,909,952 km (0.075 R)
• M7: 7,239,789 km (0.117 R)
• M8: 7,941,104 km (0.111 R)
• M9: 9,056,805 km (0.051 R)
• M10: 9,696,036 km (0.082 R)
• M11: 10,734,545 km (0.107 R)
• M12: 13,032,667 km (0.101 R)
• M13: 14,988,360 km (0.093 R)
• M14: 18,446,016 km (0.059 R)
• M15: 20,252,560 km (0.077 R)
• M16: 23,494,794 km (0.062 R)
• M17: 25,698,820 km (0.117 R)
• M18: 26,206,705 km (0.099 R)
• M19: 28,847,556 km (0.106 R)
• M20: 30,138,735 km (0.081 R)
• M21: 31,468,211 km (0.043 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 353 - 11,962 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit