🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.98 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.24

Radius: 1.09

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 0.81 AU - 1.15 AU

Year: 346 Days

Day: 43.2 Hours

Environment

Temp: 156 °C

Axial Tilt: 8.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.07 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.26

Radius: 1.79

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 0.88 AU - 1.26 AU

Year: 395 Days

Day: 25.2 Hours

Environment

Temp: 19 °C

Axial Tilt: 37.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.19 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.99

Radius: 1.32

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 1.09 AU - 1.29 AU

Year: 463 Days

Day: 46.2 Hours

Environment

Temp: 3 °C

Axial Tilt: 11.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.24 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.66

Radius: 1.48

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 1.18 AU - 1.3 AU

Year: 492 Days

Day: 27.7 Hours

Environment

Temp: 20 °C

Axial Tilt: 172.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 33,532,678 km

• M1: 294,259 km (0.04 R)
• M2: 585,227 km (0.075 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.36 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.78

Radius: 1.26

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 1.06 AU - 1.66 AU

Year: 565 Days

Day: 13.3 Hours

Environment

Temp: -13 °C

Axial Tilt: 6.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 6 - Terrestrial

Semi-Major Axis: 2.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.49

Radius: 0.75

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 2.37 AU - 2.91 AU

Year: 1529 Days

Day: 37.7 Hours

Environment

Temp: -90 °C

Axial Tilt: 20.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 33,532,678 km

• M1: 51,462 km (0.062 R)

Planet 7 - Terrestrial

Semi-Major Axis: 4.03 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.34

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 3.99 AU - 4.07 AU

Year: 2884 Days

Day: 14.5 Hours

Environment

Temp: -113 °C

Axial Tilt: 27.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 33,532,678 km

• M1: 2,927,780 km (0.116 R)

Asteroid Belt

Center: 4.99 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 5.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 876.3

Radius: 12.4

Gravity: 5.7 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 4.88 AU - 7.02 AU

Year: 5173 Days

Day: 14.8 Hours

Environment

Temp: -142 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 33,532,678 km

• M1: 164,258 km (0.1 R)
• M2: 747,690 km (0.114 R)
• M3: 1,804,150 km (0.04 R)
• M4: 2,771,151 km (0.063 R)
• M5: 4,129,500 km (0.083 R)
• M6: 4,984,152 km (0.077 R)
• M7: 5,768,344 km (0.064 R)
• M8: 7,509,065 km (0.05 R)
• M9: 10,929,770 km (0.096 R)
• M10: 11,602,960 km (0.071 R)
• M11: 16,925,503 km (0.056 R)
• M12: 18,223,414 km (0.06 R)
• M13: 20,797,844 km (0.091 R)
• M14: 23,369,132 km (0.092 R)
• M15: 26,230,491 km (0.027 R)

Kuiper Belt

Range: 30.8 - 50.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 172 - 13,940 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit