🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.94 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.24

Radius: 1.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 0.76 AU - 1.12 AU

Year: 326 Days

Day: 40.3 Hours

Environment

Temp: 99 °C

Axial Tilt: 37.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.97 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.42

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 0.95 AU - 0.99 AU

Year: 342 Days

Day: 36.9 Hours

Environment

Temp: 144 °C

Axial Tilt: 16.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 19,611,852 km

• M1: 544,835 km (0.066 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.02 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.41

Radius: 1.42

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 0.88 AU - 1.16 AU

Year: 369 Days

Day: 26.7 Hours

Environment

Temp: 43 °C

Axial Tilt: 47.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.06 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.82

Radius: 1.51

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 1.06 AU - 1.06 AU

Year: 391 Days

Day: 32.3 Hours

Environment

Temp: 45 °C

Axial Tilt: 4.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 3.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.67

Radius: 1.48

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 3 AU - 4.3 AU

Year: 2498 Days

Day: 40.6 Hours

Environment

Temp: -119 °C

Axial Tilt: 33.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 19,611,852 km

• M1: 53,855 km (0.073 R)

Asteroid Belt

Center: 4.52 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 508.6

Radius: 12.5

Gravity: 3.26 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 4.57 AU - 6.21 AU

Year: 4482 Days

Day: 12 Hours

Environment

Temp: -146 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 19,611,852 km

• M1: 158,574 km (0.089 R)
• M2: 823,985 km (0.118 R)
• M3: 1,247,945 km (0.104 R)
• M4: 1,858,754 km (0.09 R)
• M5: 2,337,018 km (0.089 R)
• M6: 3,002,130 km (0.091 R)
• M7: 4,497,810 km (0.083 R)
• M8: 5,059,250 km (0.113 R)
• M9: 6,412,662 km (0.065 R)
• M10: 7,093,632 km (0.116 R)
• M11: 8,491,026 km (0.109 R)
• M12: 9,197,726 km (0.064 R)
• M13: 9,862,988 km (0.051 R)
• M14: 11,114,972 km (0.072 R)
• M15: 14,705,770 km (0.036 R)
• M16: 15,780,481 km (0.076 R)
• M17: 20,150,684 km (0.102 R)
• M18: 21,072,506 km (0.08 R)
• M19: 21,611,656 km (0.088 R)
• M20: 23,284,609 km (0.039 R)
• M21: 25,268,128 km (0.066 R)

Planet 7 - Gas Giant

Semi-Major Axis: 12.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 19.8

Radius: 12

Gravity: 0.14 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 10.59 AU - 13.95 AU

Year: 15394 Days

Day: 6.5 Hours

Environment

Temp: -175 °C

Axial Tilt: 145.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 19,611,852 km

• M1: 150,944 km (0.08 R)
• M2: 633,846 km (0.086 R)
• M3: 1,510,340 km (0.086 R)
• M4: 2,626,041 km (0.099 R)
• M5: 4,946,603 km (0.073 R)
• M6: 5,872,764 km (0.107 R)
• M7: 6,542,812 km (0.034 R)
• M8: 6,939,995 km (0.064 R)
• M9: 8,659,174 km (0.076 R)
• M10: 15,653,173 km (0.091 R)

Kuiper Belt

Range: 30.6 - 53.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 184 - 13,862 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit