🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.07

Radius: 1.75

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 0.47 AU - 0.67 AU

Year: 157 Days

Day: 19.1 Hours

Environment

Temp: 215 °C

Axial Tilt: 38.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.48

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 0.51 AU - 0.71 AU

Year: 174 Days

Day: 25.4 Hours

Environment

Temp: 210 °C

Axial Tilt: 43.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.93

Radius: 1.54

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 0.55 AU - 0.91 AU

Year: 228 Days

Day: 45.9 Hours

Environment

Temp: 186 °C

Axial Tilt: 19.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 22,621,726 km

• M1: 51,611 km (0.071 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.18 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.5

Radius: 1.83

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 1 AU - 1.36 AU

Year: 468 Days

Day: 20.5 Hours

Environment

Temp: 4 °C

Axial Tilt: 13.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 22,621,726 km

• M1: 47,871 km (0.12 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.8

Radius: 1.51

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 1.67 AU - 1.75 AU

Year: 817 Days

Day: 45.3 Hours

Environment

Temp: -42 °C

Axial Tilt: 38.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.68

Radius: 0.86

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 2.57 AU - 2.73 AU

Year: 1576 Days

Day: 39.9 Hours

Environment

Temp: -83 °C

Axial Tilt: 19.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 22,621,726 km

• M1: 335,249 km (0.113 R)

Planet 7 - Terrestrial

Semi-Major Axis: 4.06 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.42

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 3.51 AU - 4.61 AU

Year: 2988 Days

Day: 20.1 Hours

Environment

Temp: -134 °C

Axial Tilt: 44.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.79 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 5.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 320.9

Radius: 8.5

Gravity: 4.44 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 5.5 AU - 5.54 AU

Year: 4737 Days

Day: 7.6 Hours

Environment

Temp: -139 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 22,621,726 km

• M1: 106,514 km (0.103 R)
• M2: 376,089 km (0.111 R)
• M3: 660,624 km (0.029 R)
• M4: 952,190 km (0.111 R)
• M5: 1,503,907 km (0.116 R)
• M6: 1,933,552 km (0.064 R)
• M7: 3,308,357 km (0.028 R)
• M8: 5,017,961 km (0.038 R)
• M9: 5,762,660 km (0.108 R)
• M10: 6,147,575 km (0.117 R)
• M11: 7,061,319 km (0.06 R)
• M12: 7,374,577 km (0.077 R)
• M13: 8,615,192 km (0.032 R)
• M14: 9,491,087 km (0.049 R)
• M15: 10,028,742 km (0.07 R)
• M16: 14,277,770 km (0.102 R)
• M17: 15,293,390 km (0.03 R)
• M18: 16,684,501 km (0.117 R)
• M19: 18,569,434 km (0.091 R)
• M20: 19,471,360 km (0.115 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 551 - 15,529 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit