🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.56

Radius: 0.79

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 0.47 AU - 0.71 AU

Year: 297 Days

Day: 32.8 Hours

Environment

Temp: -126 °C

Axial Tilt: 0.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 115.7

Radius: 11.8

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 0.81 AU - 1.01 AU

Year: 569 Days

Day: 7.2 Hours

Environment

Temp: -145 °C

Axial Tilt: 73.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 21,797,562 km

• M1: 157,975 km (0.106 R)
• M2: 632,949 km (0.037 R)
• M3: 1,603,240 km (0.117 R)
• M4: 2,213,001 km (0.104 R)
• M5: 2,889,632 km (0.062 R)
• M6: 3,539,186 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 470.2

Radius: 12.8

Gravity: 2.87 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 0.93 AU - 1.23 AU

Year: 736 Days

Day: 9 Hours

Environment

Temp: -170 °C

Axial Tilt: 43.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 21,797,562 km

• M1: 159,172 km (0.058 R)
• M2: 660,175 km (0.055 R)
• M3: 1,106,426 km (0.112 R)
• M4: 1,629,420 km (0.057 R)
• M5: 2,064,600 km (0.084 R)
• M6: 2,738,838 km (0.119 R)
• M7: 3,140,508 km (0.094 R)
• M8: 3,568,807 km (0.086 R)
• M9: 4,181,560 km (0.06 R)
• M10: 4,879,883 km (0.103 R)
• M11: 5,654,650 km (0.102 R)
• M12: 6,630,327 km (0.108 R)

Asteroid Belt

Center: 2.44 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 3.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 272.8

Radius: 14.7

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 3.73 AU - 3.87 AU

Year: 4859 Days

Day: 8.3 Hours

Environment

Temp: -207 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 21,797,562 km

• M1: 182,809 km (0.083 R)
• M2: 778,208 km (0.063 R)
• M3: 1,242,560 km (0.097 R)
• M4: 2,528,653 km (0.12 R)
• M5: 3,437,310 km (0.086 R)
• M6: 4,227,935 km (0.035 R)
• M7: 4,690,043 km (0.068 R)
• M8: 5,691,152 km (0.12 R)
• M9: 6,173,755 km (0.066 R)
• M10: 8,556,849 km (0.118 R)
• M11: 9,596,404 km (0.093 R)
• M12: 12,319,833 km (0.069 R)
• M13: 17,964,311 km (0.078 R)
• M14: 18,539,814 km (0.117 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 201 - 15,045 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit