🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.69 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.86

Radius: 0.94

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 0.6 AU - 0.78 AU

Year: 214 Days

Day: 42.1 Hours

Environment

Temp: 101 °C

Axial Tilt: 12.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.96 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.73

Radius: 1.86

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 0.77 AU - 1.15 AU

Year: 351 Days

Day: 46.4 Hours

Environment

Temp: 23 °C

Axial Tilt: 0.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.02 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.59

Radius: 0.81

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 0.96 AU - 1.08 AU

Year: 384 Days

Day: 44.2 Hours

Environment

Temp: 3 °C

Axial Tilt: 32.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.31

Radius: 1.11

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 1.03 AU - 1.59 AU

Year: 559 Days

Day: 26.7 Hours

Environment

Temp: -38 °C

Axial Tilt: 35.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.83

Radius: 1.27

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 1.15 AU - 1.49 AU

Year: 565 Days

Day: 43.6 Hours

Environment

Temp: -31 °C

Axial Tilt: 44.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.67

Radius: 1.48

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 2.78 AU - 2.96 AU

Year: 1812 Days

Day: 31.9 Hours

Environment

Temp: -107 °C

Axial Tilt: 9.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 30,489,499 km

• M1: 543,788 km (0.091 R)

Planet 7 - Terrestrial

Semi-Major Axis: 4.06 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.24

Radius: 1.78

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 3.06 AU - 5.06 AU

Year: 3050 Days

Day: 18.7 Hours

Environment

Temp: -137 °C

Axial Tilt: 42.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.85 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 7.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 285.6

Radius: 9.8

Gravity: 2.97 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 6.11 AU - 9.15 AU

Year: 7857 Days

Day: 14.7 Hours

Environment

Temp: -167 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 30,489,499 km

• M1: 122,072 km (0.097 R)
• M2: 445,203 km (0.107 R)
• M3: 1,154,746 km (0.116 R)
• M4: 1,550,582 km (0.076 R)
• M5: 3,376,424 km (0.096 R)
• M6: 5,426,364 km (0.112 R)
• M7: 6,046,896 km (0.058 R)
• M8: 6,681,340 km (0.054 R)
• M9: 9,296,311 km (0.099 R)
• M10: 9,839,950 km (0.092 R)
• M11: 11,935,367 km (0.089 R)
• M12: 13,558,055 km (0.106 R)
• M13: 18,640,044 km (0.119 R)
• M14: 19,912,823 km (0.119 R)
• M15: 23,309,143 km (0.115 R)
• M16: 25,830,765 km (0.105 R)
• M17: 28,441,996 km (0.114 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 485 - 12,353 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit