🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.73

Radius: 1.25

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 0.46 AU - 0.66 AU

Year: 149 Days

Day: 34.2 Hours

Environment

Temp: 228 °C

Axial Tilt: 32.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.74 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.45

Radius: 1.16

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 0.61 AU - 0.87 AU

Year: 226 Days

Day: 48 Hours

Environment

Temp: 137 °C

Axial Tilt: 39.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.78 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.77

Radius: 0.9

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 0.63 AU - 0.93 AU

Year: 244 Days

Day: 22.4 Hours

Environment

Temp: 132 °C

Axial Tilt: 22.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 0.95 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.8

Radius: 1.71

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 0.9 AU - 1 AU

Year: 328 Days

Day: 16.9 Hours

Environment

Temp: 116 °C

Axial Tilt: 51.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 28,150,499 km

• M1: 318,643 km (0.111 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.74

Radius: 1.25

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 1.6 AU - 2.14 AU

Year: 907 Days

Day: 28.6 Hours

Environment

Temp: -43 °C

Axial Tilt: 4.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.31

Radius: 1.11

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 2.34 AU - 2.92 AU

Year: 1513 Days

Day: 29 Hours

Environment

Temp: -75 °C

Axial Tilt: 43.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 4.48 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.1

Radius: 1.76

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 4.34 AU - 4.62 AU

Year: 3364 Days

Day: 37.8 Hours

Environment

Temp: -117 °C

Axial Tilt: 12.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 28,150,499 km

• M1: 1,434,344 km (0.116 R)

Asteroid Belt

Center: 5.27 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 6.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 495.4

Radius: 14.2

Gravity: 2.46 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 4.78 AU - 7.34 AU

Year: 5292 Days

Day: 10.6 Hours

Environment

Temp: -149 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 28,150,499 km

• M1: 176,974 km (0.114 R)
• M2: 668,254 km (0.089 R)
• M3: 2,118,755 km (0.078 R)
• M4: 3,270,209 km (0.071 R)
• M5: 3,757,899 km (0.115 R)
• M6: 5,248,791 km (0.09 R)
• M7: 9,207,450 km (0.105 R)
• M8: 10,969,713 km (0.098 R)
• M9: 11,697,058 km (0.117 R)
• M10: 12,456,416 km (0.052 R)
• M11: 13,299,101 km (0.088 R)
• M12: 15,431,768 km (0.047 R)
• M13: 15,884,452 km (0.117 R)
• M14: 17,599,741 km (0.083 R)
• M15: 18,156,394 km (0.109 R)
• M16: 20,842,723 km (0.116 R)
• M17: 22,532,730 km (0.111 R)
• M18: 23,263,217 km (0.069 R)
• M19: 24,009,561 km (0.111 R)

Kuiper Belt

Range: 30.9 - 59.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 447 - 18,220 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit