🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.08

Radius: 1.57

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 0.62 AU - 0.68 AU

Year: 190 Days

Day: 31.5 Hours

Environment

Temp: 159 °C

Axial Tilt: 38.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.35

Radius: 1.41

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 0.63 AU - 0.69 AU

Year: 194 Days

Day: 16.2 Hours

Environment

Temp: 127 °C

Axial Tilt: 10.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.99 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.63

Radius: 1.67

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 0.92 AU - 1.06 AU

Year: 356 Days

Day: 22.4 Hours

Environment

Temp: 32 °C

Axial Tilt: 34.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.28 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.73

Radius: 1.49

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 1.05 AU - 1.51 AU

Year: 524 Days

Day: 30.1 Hours

Environment

Temp: -1 °C

Axial Tilt: 39.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 2.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.25

Radius: 1.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 2.25 AU - 2.99 AU

Year: 1534 Days

Day: 34.2 Hours

Environment

Temp: -98 °C

Axial Tilt: 37.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 53,320,240 km

• M1: 594,352 km (0.096 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 919.8

Radius: 10.3

Gravity: 8.67 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 9.14 AU - 9.3 AU

Year: 10125 Days

Day: 6.4 Hours

Environment

Temp: -176 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 53,320,240 km

• M1: 128,205 km (0.118 R)
• M2: 775,216 km (0.116 R)
• M3: 1,152,053 km (0.1 R)
• M4: 1,622,539 km (0.073 R)
• M5: 2,389,228 km (0.09 R)
• M6: 4,386,808 km (0.115 R)
• M7: 5,373,406 km (0.086 R)
• M8: 6,897,509 km (0.098 R)
• M9: 7,650,585 km (0.117 R)
• M10: 8,182,405 km (0.097 R)
• M11: 8,738,760 km (0.1 R)
• M12: 9,671,054 km (0.12 R)
• M13: 12,380,720 km (0.041 R)
• M14: 17,001,349 km (0.058 R)
• M15: 18,139,490 km (0.12 R)
• M16: 20,064,814 km (0.057 R)
• M17: 23,294,333 km (0.096 R)
• M18: 25,467,691 km (0.088 R)
• M19: 26,553,622 km (0.081 R)
• M20: 29,887,859 km (0.112 R)
• M21: 31,318,763 km (0.081 R)
• M22: 38,134,741 km (0.088 R)
• M23: 40,876,571 km (0.081 R)
• M24: 45,303,022 km (0.074 R)

Kuiper Belt

Range: 30.3 - 53.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 377 - 18,235 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit