🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.78 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.65

Radius: 0.84

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 0.65 AU - 0.91 AU

Year: 253 Days

Day: 47.3 Hours

Environment

Temp: 166 °C

Axial Tilt: 19.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 21,569,627 km

• M1: 21,841 km (0.031 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.88 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.69

Radius: 1.23

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 0.83 AU - 0.93 AU

Year: 303 Days

Day: 23.4 Hours

Environment

Temp: 109 °C

Axial Tilt: 21.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 21,569,627 km

• M1: 300,841 km (0.028 R)
• M2: 458,069 km (0.059 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.74 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.47

Radius: 0.74

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 2.68 AU - 2.8 AU

Year: 1665 Days

Day: 46.3 Hours

Environment

Temp: -98 °C

Axial Tilt: 9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 21,569,627 km

• M1: 17,653 km (0.077 R)
• M2: 595,699 km (0.107 R)

Planet 4 - Terrestrial

Semi-Major Axis: 4.31 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.21

Radius: 0.54

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 3.31 AU - 5.31 AU

Year: 3285 Days

Day: 25 Hours

Environment

Temp: -138 °C

Axial Tilt: 12.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 5.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 343.1

Radius: 9.2

Gravity: 4.05 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 4.52 AU - 5.74 AU

Year: 4265 Days

Day: 14.6 Hours

Environment

Temp: -133 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 21,569,627 km

• M1: 114,442 km (0.071 R)
• M2: 550,969 km (0.079 R)
• M3: 957,726 km (0.032 R)
• M4: 1,518,718 km (0.114 R)
• M5: 1,892,712 km (0.087 R)
• M6: 2,313,681 km (0.118 R)
• M7: 2,669,574 km (0.053 R)
• M8: 3,079,323 km (0.117 R)
• M9: 4,300,640 km (0.09 R)
• M10: 7,101,561 km (0.075 R)
• M11: 7,793,451 km (0.057 R)
• M12: 8,223,096 km (0.09 R)
• M13: 14,194,145 km (0.109 R)
• M14: 16,017,444 km (0.095 R)
• M15: 16,335,788 km (0.119 R)
• M16: 17,150,349 km (0.067 R)
• M17: 18,860,252 km (0.068 R)
• M18: 19,514,893 km (0.085 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 293 - 15,516 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit