🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.69

Radius: 1.49

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 0.53 AU - 0.71 AU

Year: 181 Days

Day: 39.3 Hours

Environment

Temp: 219 °C

Axial Tilt: 45.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.84

Radius: 1.28

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 0.57 AU - 0.83 AU

Year: 217 Days

Day: 13.6 Hours

Environment

Temp: 169 °C

Axial Tilt: 32.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 24,834,299 km

• M1: 238,609 km (0.079 R)
• M2: 347,366 km (0.086 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.84 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.59

Radius: 1.67

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.66 AU - 1.02 AU

Year: 286 Days

Day: 46.3 Hours

Environment

Temp: 111 °C

Axial Tilt: 10.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.25 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.61

Radius: 1.47

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 1 AU - 1.5 AU

Year: 518 Days

Day: 39.6 Hours

Environment

Temp: 3 °C

Axial Tilt: 12.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.69

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 1.24 AU - 1.56 AU

Year: 614 Days

Day: 16.3 Hours

Environment

Temp: -36 °C

Axial Tilt: 6.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.34

Radius: 1.62

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 1.38 AU - 2.04 AU

Year: 829 Days

Day: 23.7 Hours

Environment

Temp: -54 °C

Axial Tilt: 15.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.41

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 1.33 AU - 2.21 AU

Year: 873 Days

Day: 25.5 Hours

Environment

Temp: -66 °C

Axial Tilt: 100.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.29 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 8.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 101.3

Radius: 8.2

Gravity: 1.51 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 8.33 AU - 9.29 AU

Year: 9698 Days

Day: 14.8 Hours

Environment

Temp: -182 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 24,834,299 km

• M1: 102,175 km (0.055 R)
• M2: 546,780 km (0.041 R)
• M3: 831,615 km (0.048 R)
• M4: 1,153,250 km (0.102 R)
• M5: 2,027,500 km (0.06 R)
• M6: 2,416,305 km (0.11 R)
• M7: 3,599,624 km (0.077 R)
• M8: 3,953,273 km (0.068 R)
• M9: 4,682,264 km (0.1 R)
• M10: 5,053,416 km (0.028 R)
• M11: 5,996,331 km (0.045 R)
• M12: 8,051,357 km (0.059 R)
• M13: 9,218,370 km (0.048 R)
• M14: 11,437,206 km (0.098 R)
• M15: 11,748,669 km (0.081 R)
• M16: 12,435,473 km (0.072 R)
• M17: 14,760,971 km (0.115 R)
• M18: 19,549,749 km (0.115 R)
• M19: 21,306,926 km (0.078 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 539 - 17,422 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit