🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.83 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.89

Radius: 1.29

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 0.73 AU - 0.93 AU

Year: 280 Days

Day: 15.8 Hours

Environment

Temp: 158 °C

Axial Tilt: 34.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 18,925,903 km

• M1: 87,515 km (0.091 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.25 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.04

Radius: 1.56

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 1.15 AU - 1.36 AU

Year: 518 Days

Day: 25.5 Hours

Environment

Temp: -12 °C

Axial Tilt: 22.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.24

Radius: 1.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 1.25 AU - 1.97 AU

Year: 758 Days

Day: 44.1 Hours

Environment

Temp: -45 °C

Axial Tilt: 5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.55

Radius: 0.79

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 1.86 AU - 1.86 AU

Year: 941 Days

Day: 15.7 Hours

Environment

Temp: -72 °C

Axial Tilt: 48.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.45

Radius: 1.43

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 2.32 AU - 3.42 AU

Year: 1803 Days

Day: 42.4 Hours

Environment

Temp: -95 °C

Axial Tilt: 28.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.14 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 7.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 644

Radius: 8.2

Gravity: 9.58 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 7.14 AU - 7.68 AU

Year: 7481 Days

Day: 8.5 Hours

Environment

Temp: -173 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 18,925,903 km

• M1: 102,026 km (0.046 R)
• M2: 406,158 km (0.092 R)
• M3: 669,600 km (0.097 R)
• M4: 1,262,905 km (0.097 R)
• M5: 3,213,362 km (0.094 R)
• M6: 4,370,053 km (0.066 R)
• M7: 5,559,805 km (0.118 R)
• M8: 5,880,094 km (0.077 R)
• M9: 6,418,347 km (0.077 R)
• M10: 7,515,647 km (0.026 R)
• M11: 7,907,893 km (0.085 R)
• M12: 9,433,941 km (0.098 R)
• M13: 10,897,457 km (0.111 R)
• M14: 13,973,189 km (0.074 R)
• M15: 16,124,257 km (0.103 R)
• M16: 18,136,049 km (0.101 R)
• M17: 18,770,793 km (0.099 R)
• M18: 22,089,173 km (0.117 R)
• M19: 25,956,128 km (0.093 R)
• M20: 26,223,011 km (0.08 R)
• M21: 28,993,115 km (0.084 R)
• M22: 30,350,117 km (0.118 R)
• M23: 32,567,606 km (0.094 R)
• M24: 32,981,992 km (0.102 R)
• M25: 36,314,135 km (0.118 R)

Planet 7 - Gas Giant

Semi-Major Axis: 11.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 22.6

Radius: 8.5

Gravity: 0.31 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 10.47 AU - 11.67 AU

Year: 13659 Days

Day: 5.4 Hours

Environment

Temp: -191 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 18,925,903 km

• M1: 593,754 km (0.114 R)
• M2: 1,654,852 km (0.12 R)
• M3: 2,148,225 km (0.08 R)
• M4: 4,294,057 km (0.048 R)
• M5: 4,656,533 km (0.104 R)
• M6: 11,622,857 km (0.034 R)
• M7: 14,381,741 km (0.109 R)
• M8: 15,439,996 km (0.114 R)
• M9: 17,656,887 km (0.071 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: 292 - 15,996 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit