🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.74 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.37

Radius: 1.13

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 0.71 AU - 0.77 AU

Year: 223 Days

Day: 20.2 Hours

Environment

Temp: 177 °C

Axial Tilt: 76.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.19 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.76

Radius: 0.9

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 0.95 AU - 1.43 AU

Year: 454 Days

Day: 13.6 Hours

Environment

Temp: 38 °C

Axial Tilt: 37.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 74,805,850 km

• M1: 29,920 km (0.032 R)
• M2: 360,082 km (0.117 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.3 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.31

Radius: 1.79

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 1.1 AU - 1.5 AU

Year: 519 Days

Day: 26.7 Hours

Environment

Temp: 25 °C

Axial Tilt: 16.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.05

Radius: 1.56

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 1.53 AU - 1.73 AU

Year: 728 Days

Day: 27.8 Hours

Environment

Temp: -37 °C

Axial Tilt: 7.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 74,805,850 km

• M1: 248,332 km (0.097 R)
• M2: 1,296,266 km (0.071 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.8

Radius: 0.91

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 1.9 AU - 1.94 AU

Year: 931 Days

Day: 13.6 Hours

Environment

Temp: -51 °C

Axial Tilt: 25.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 7.44 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 12.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 977.3

Radius: 12.4

Gravity: 6.36 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 11.26 AU - 14.66 AU

Year: 16322 Days

Day: 11.4 Hours

Environment

Temp: -177 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 74,805,850 km

• M1: 208,689 km (0.081 R)
• M2: 982,110 km (0.104 R)
• M3: 3,011,405 km (0.112 R)
• M4: 4,650,998 km (0.115 R)
• M5: 5,150,206 km (0.119 R)
• M6: 6,470,108 km (0.074 R)
• M7: 8,410,093 km (0.06 R)
• M8: 10,291,586 km (0.089 R)
• M9: 11,714,261 km (0.107 R)
• M10: 17,434,285 km (0.118 R)
• M11: 19,815,584 km (0.092 R)
• M12: 22,107,723 km (0.084 R)
• M13: 23,113,021 km (0.062 R)
• M14: 23,627,039 km (0.068 R)
• M15: 29,075,842 km (0.073 R)
• M16: 29,795,857 km (0.114 R)
• M17: 35,308,538 km (0.076 R)
• M18: 37,522,288 km (0.114 R)
• M19: 40,121,700 km (0.041 R)
• M20: 40,715,304 km (0.077 R)
• M21: 44,242,673 km (0.107 R)
• M22: 50,508,729 km (0.063 R)
• M23: 58,855,093 km (0.102 R)
• M24: 73,028,445 km (0.064 R)
• M25: 74,582,168 km (0.114 R)

Kuiper Belt

Range: 31.4 - 59.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 223 - 10,387 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit