🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.57

Radius: 0.8

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 0.55 AU - 0.91 AU

Year: 238 Days

Day: 35.4 Hours

Environment

Temp: 179 °C

Axial Tilt: 3.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 28,073,751 km

• M1: 27,376 km (0.111 R)
• M2: 90,956 km (0.104 R)

Planet 2 - Terrestrial

Semi-Major Axis: 3.04 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.88

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 2.85 AU - 3.23 AU

Year: 2018 Days

Day: 18.1 Hours

Environment

Temp: -120 °C

Axial Tilt: 41.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 5.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 177.3

Radius: 9.9

Gravity: 1.81 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 4.58 AU - 7.32 AU

Year: 5527 Days

Day: 13.4 Hours

Environment

Temp: -165 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 28,073,751 km

• M1: 136,134 km (0.082 R)
• M2: 499,358 km (0.068 R)
• M3: 885,021 km (0.074 R)
• M4: 1,451,548 km (0.103 R)
• M5: 2,356,466 km (0.055 R)
• M6: 2,756,790 km (0.117 R)
• M7: 4,629,157 km (0.105 R)
• M8: 11,111,980 km (0.063 R)
• M9: 14,154,053 km (0.061 R)
• M10: 15,280,525 km (0.11 R)
• M11: 19,487,965 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 8.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 157.3

Radius: 11.9

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 7.63 AU - 9.27 AU

Year: 9354 Days

Day: 12 Hours

Environment

Temp: -176 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 28,073,751 km

• M1: 150,495 km (0.104 R)
• M2: 568,771 km (0.086 R)
• M3: 1,574,069 km (0.091 R)
• M4: 2,030,791 km (0.102 R)
• M5: 3,453,616 km (0.067 R)
• M6: 4,352,700 km (0.113 R)
• M7: 4,896,189 km (0.038 R)
• M8: 6,835,725 km (0.044 R)
• M9: 11,788,312 km (0.046 R)
• M10: 12,310,259 km (0.047 R)
• M11: 17,786,738 km (0.086 R)
• M12: 18,221,918 km (0.115 R)
• M13: 21,751,979 km (0.097 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 173 - 16,414 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit