🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.35

Radius: 1.13

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 0.58 AU - 0.6 AU

Year: 167 Days

Day: 38.6 Hours

Environment

Temp: 171 °C

Axial Tilt: 7.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.86

Radius: 0.94

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 0.63 AU - 0.63 AU

Year: 184 Days

Day: 14.7 Hours

Environment

Temp: 122 °C

Axial Tilt: 4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.69 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.99

Radius: 1.55

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 0.59 AU - 0.79 AU

Year: 211 Days

Day: 28.5 Hours

Environment

Temp: 157 °C

Axial Tilt: 16.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 0.99 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.83

Radius: 1.52

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 0.9 AU - 1.08 AU

Year: 363 Days

Day: 30.7 Hours

Environment

Temp: 19 °C

Axial Tilt: 26.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 1.11 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.52

Radius: 0.77

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 0.95 AU - 1.27 AU

Year: 431 Days

Day: 37.2 Hours

Environment

Temp: -2 °C

Axial Tilt: 2.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 6 - Terrestrial

Semi-Major Axis: 1.17 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.46

Radius: 1.43

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 1.08 AU - 1.26 AU

Year: 467 Days

Day: 21.8 Hours

Environment

Temp: 14 °C

Axial Tilt: 5.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 7 - Terrestrial

Semi-Major Axis: 4.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.47

Radius: 1.44

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 4.29 AU - 4.93 AU

Year: 3652 Days

Day: 28.7 Hours

Environment

Temp: -141 °C

Axial Tilt: 2.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 7.7 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 10.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 842.3

Radius: 10.7

Gravity: 7.36 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 8.73 AU - 12.85 AU

Year: 13077 Days

Day: 9.4 Hours

Environment

Temp: -180 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 61,408,966 km

• M1: 151,543 km (0.106 R)
• M2: 496,366 km (0.096 R)
• M3: 1,612,067 km (0.086 R)
• M4: 2,178,893 km (0.065 R)
• M5: 2,693,360 km (0.082 R)
• M6: 5,569,230 km (0.097 R)
• M7: 6,700,189 km (0.089 R)
• M8: 7,037,533 km (0.061 R)
• M9: 8,454,075 km (0.111 R)
• M10: 8,898,979 km (0.048 R)
• M11: 12,337,785 km (0.03 R)
• M12: 15,021,272 km (0.113 R)
• M13: 15,674,865 km (0.117 R)
• M14: 25,470,234 km (0.113 R)
• M15: 34,665,716 km (0.118 R)
• M16: 38,836,654 km (0.075 R)
• M17: 41,042,475 km (0.109 R)
• M18: 47,692,400 km (0.099 R)
• M19: 56,752,645 km (0.091 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 550 - 11,128 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit