🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.98

Radius: 1.55

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 0.41 AU - 0.67 AU

Year: 144 Days

Day: 17.3 Hours

Environment

Temp: 245 °C

Axial Tilt: 20.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.63

Radius: 1.67

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 0.67 AU - 0.79 AU

Year: 227 Days

Day: 14.2 Hours

Environment

Temp: 128 °C

Axial Tilt: 32.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.89 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.6

Radius: 0.82

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 0.74 AU - 1.04 AU

Year: 305 Days

Day: 29.5 Hours

Environment

Temp: 143 °C

Axial Tilt: 18.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.25 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.2

Radius: 1.59

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 1.19 AU - 1.31 AU

Year: 508 Days

Day: 26.6 Hours

Environment

Temp: 15 °C

Axial Tilt: 18.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 30,609,366 km

• M1: 985,401 km (0.111 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.28

Radius: 0.6

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 2.23 AU - 2.37 AU

Year: 1268 Days

Day: 43 Hours

Environment

Temp: -76 °C

Axial Tilt: 5.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 30,609,366 km

• M1: 260,001 km (0.04 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.76 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.73

Radius: 1.69

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 2.4 AU - 3.12 AU

Year: 1666 Days

Day: 46 Hours

Environment

Temp: -103 °C

Axial Tilt: 35.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 3.09 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.14

Radius: 1.58

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 2.32 AU - 3.86 AU

Year: 1974 Days

Day: 31.2 Hours

Environment

Temp: -106 °C

Axial Tilt: 42.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.09 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 9.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 180.4

Radius: 10.8

Gravity: 1.55 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 7.86 AU - 10.3 AU

Year: 9944 Days

Day: 11.8 Hours

Environment

Temp: -175 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 30,609,366 km

• M1: 186,997 km (0.106 R)
• M2: 555,606 km (0.11 R)
• M3: 908,807 km (0.096 R)
• M4: 1,290,282 km (0.08 R)
• M5: 1,653,056 km (0.114 R)
• M6: 2,328,192 km (0.102 R)
• M7: 3,218,299 km (0.099 R)
• M8: 3,675,919 km (0.098 R)
• M9: 5,287,986 km (0.083 R)
• M10: 6,142,040 km (0.089 R)
• M11: 6,716,944 km (0.042 R)
• M12: 7,827,260 km (0.076 R)
• M13: 8,388,102 km (0.088 R)
• M14: 9,341,190 km (0.098 R)
• M15: 11,892,432 km (0.096 R)
• M16: 15,446,878 km (0.067 R)
• M17: 18,132,608 km (0.086 R)
• M18: 20,831,503 km (0.092 R)
• M19: 29,793,912 km (0.072 R)

Kuiper Belt

Range: 30.2 - 57.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 349 - 15,360 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit