🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.69 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.3

Radius: 1.61

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 0.61 AU - 0.77 AU

Year: 213 Days

Day: 28.4 Hours

Environment

Temp: 140 °C

Axial Tilt: 5.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.9 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.81

Radius: 1.87

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 0.82 AU - 0.98 AU

Year: 317 Days

Day: 41.5 Hours

Environment

Temp: 45 °C

Axial Tilt: 39.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.03 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.15

Radius: 0.47

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 0.9 AU - 1.16 AU

Year: 388 Days

Day: 45.6 Hours

Environment

Temp: 25 °C

Axial Tilt: 15.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 31,664,959 km

• M1: 48,769 km (0.104 R)
• M2: 161,117 km (0.043 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.59

Radius: 1.67

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 1.18 AU - 1.58 AU

Year: 601 Days

Day: 15.4 Hours

Environment

Temp: -43 °C

Axial Tilt: 1.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.38

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 3.37 AU - 3.69 AU

Year: 2460 Days

Day: 44.6 Hours

Environment

Temp: -129 °C

Axial Tilt: 36.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 31,664,959 km

• M1: 44,879 km (0.109 R)
• M2: 70,161 km (0.086 R)

Asteroid Belt

Center: 4.33 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 28.4

Radius: 14.4

Gravity: 0.14 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 4.63 AU - 5.61 AU

Year: 4296 Days

Day: 6.2 Hours

Environment

Temp: -138 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 31,664,959 km

• M1: 179,069 km (0.091 R)
• M2: 758,910 km (0.047 R)
• M3: 1,401,134 km (0.108 R)
• M4: 3,029,058 km (0.069 R)

Planet 7 - Ice Giant

Semi-Major Axis: 18.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 22.9

Radius: 6.4

Gravity: 0.56 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 16.34 AU - 20.54 AU

Year: 29366 Days

Day: 20.6 Hours

Environment

Temp: -192 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 31,664,959 km

• M1: 82,728 km (0.073 R)
• M2: 296,204 km (0.081 R)
• M3: 967,001 km (0.06 R)
• M4: 2,146,879 km (0.118 R)
• M5: 2,487,214 km (0.083 R)
• M6: 3,234,904 km (0.074 R)
• M7: 5,305,937 km (0.096 R)
• M8: 10,054,922 km (0.053 R)
• M9: 13,192,587 km (0.091 R)
• M10: 16,679,564 km (0.094 R)
• M11: 16,989,980 km (0.033 R)
• M12: 25,159,071 km (0.073 R)
• M13: 28,995,957 km (0.112 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: 383 - 10,510 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit