🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.87 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.1

Radius: 1.04

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.74 AU - 1 AU

Year: 299 Days

Day: 45.2 Hours

Environment

Temp: 72 °C

Axial Tilt: 7.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 22,148,589 km

• M1: 24,235 km (0.047 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.94

Radius: 1.3

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 1.77 AU - 2.45 AU

Year: 1131 Days

Day: 24.6 Hours

Environment

Temp: -65 °C

Axial Tilt: 12.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 4.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 114.7

Radius: 12.7

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 4.37 AU - 5.09 AU

Year: 3795 Days

Day: 9.1 Hours

Environment

Temp: -133 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 22,148,589 km

• M1: 157,975 km (0.105 R)
• M2: 585,825 km (0.095 R)
• M3: 2,061,010 km (0.07 R)
• M4: 3,071,244 km (0.065 R)
• M5: 3,780,937 km (0.074 R)
• M6: 4,331,457 km (0.087 R)
• M7: 5,204,660 km (0.062 R)
• M8: 6,144,583 km (0.035 R)
• M9: 9,712,791 km (0.116 R)
• M10: 12,195,817 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 311.8

Radius: 11.7

Gravity: 2.28 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 4.54 AU - 6.3 AU

Year: 4656 Days

Day: 8.8 Hours

Environment

Temp: -154 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 22,148,589 km

• M1: 145,559 km (0.116 R)
• M2: 893,847 km (0.053 R)
• M3: 1,305,840 km (0.112 R)
• M4: 1,764,058 km (0.068 R)
• M5: 2,640,253 km (0.07 R)
• M6: 3,168,483 km (0.105 R)
• M7: 4,505,589 km (0.103 R)
• M8: 5,389,413 km (0.089 R)
• M9: 9,842,493 km (0.068 R)
• M10: 11,035,087 km (0.069 R)
• M11: 12,232,917 km (0.04 R)
• M12: 12,817,695 km (0.119 R)
• M13: 13,994,731 km (0.101 R)
• M14: 14,634,561 km (0.076 R)
• M15: 17,503,549 km (0.119 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 457 - 11,139 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit