🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.78 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.76

Radius: 1.87

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 0.73 AU - 0.83 AU

Year: 261 Days

Day: 38.1 Hours

Environment

Temp: 126 °C

Axial Tilt: 38.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 42,826,372 km

• M1: 665,711 km (0.11 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.87 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.96

Radius: 1.54

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 0.82 AU - 0.92 AU

Year: 307 Days

Day: 37.6 Hours

Environment

Temp: 27 °C

Axial Tilt: 20.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.17 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.17

Radius: 1.06

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 1.13 AU - 1.21 AU

Year: 479 Days

Day: 47.7 Hours

Environment

Temp: -22 °C

Axial Tilt: 19.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.69

Radius: 1.23

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 1.18 AU - 1.84 AU

Year: 703 Days

Day: 47.4 Hours

Environment

Temp: -53 °C

Axial Tilt: 34 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.32

Radius: 0.63

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 1.42 AU - 1.8 AU

Year: 774 Days

Day: 13.4 Hours

Environment

Temp: -47 °C

Axial Tilt: 14.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.61 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 329.4

Radius: 8.1

Gravity: 5.02 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 4.56 AU - 6.66 AU

Year: 5033 Days

Day: 7 Hours

Environment

Temp: -163 °C

Axial Tilt: 42.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 42,826,372 km

• M1: 100,979 km (0.1 R)
• M2: 403,914 km (0.113 R)
• M3: 745,895 km (0.052 R)
• M4: 1,419,534 km (0.071 R)
• M5: 1,767,349 km (0.105 R)
• M6: 2,157,650 km (0.114 R)
• M7: 2,572,784 km (0.118 R)
• M8: 5,876,803 km (0.105 R)
• M9: 7,409,283 km (0.105 R)
• M10: 7,771,909 km (0.113 R)
• M11: 10,282,759 km (0.092 R)
• M12: 10,901,795 km (0.114 R)
• M13: 11,721,292 km (0.09 R)
• M14: 12,214,068 km (0.092 R)
• M15: 12,488,729 km (0.064 R)
• M16: 14,784,608 km (0.04 R)
• M17: 15,044,310 km (0.067 R)
• M18: 15,896,120 km (0.105 R)
• M19: 16,389,045 km (0.093 R)
• M20: 16,723,396 km (0.072 R)
• M21: 17,988,246 km (0.08 R)
• M22: 19,877,069 km (0.085 R)
• M23: 22,029,184 km (0.073 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 151.5

Radius: 5.1

Gravity: 5.82 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 10.32 AU - 15.88 AU

Year: 17958 Days

Day: 18.3 Hours

Environment

Temp: -182 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 42,826,372 km

• M1: 63,429 km (0.111 R)
• M2: 1,600,248 km (0.085 R)
• M3: 2,561,265 km (0.052 R)
• M4: 9,533,124 km (0.065 R)
• M5: 12,190,730 km (0.091 R)
• M6: 13,808,183 km (0.093 R)
• M7: 13,989,645 km (0.089 R)
• M8: 18,031,929 km (0.086 R)
• M9: 30,823,744 km (0.058 R)
• M10: 38,253,073 km (0.078 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 548 - 16,378 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit