🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.76 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.46

Radius: 1.43

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 0.63 AU - 0.89 AU

Year: 251 Days

Day: 19.1 Hours

Environment

Temp: 98 °C

Axial Tilt: 26.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.84 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.35

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 0.64 AU - 1.04 AU

Year: 292 Days

Day: 17.3 Hours

Environment

Temp: 30 °C

Axial Tilt: 49.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 48,167,326 km

• M1: 662,120 km (0.108 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.13

Radius: 0.44

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 1.36 AU - 1.38 AU

Year: 607 Days

Day: 40.7 Hours

Environment

Temp: -31 °C

Axial Tilt: 6.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.5

Radius: 1.65

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 2.32 AU - 2.36 AU

Year: 1356 Days

Day: 32.8 Hours

Environment

Temp: -87 °C

Axial Tilt: 19.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.7 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.31

Radius: 1.79

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 2.42 AU - 2.98 AU

Year: 1680 Days

Day: 43.1 Hours

Environment

Temp: -99 °C

Axial Tilt: 34 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 48,167,326 km

• M1: 42,785 km (0.092 R)

Planet 6 - Terrestrial

Semi-Major Axis: 3.04 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.81

Radius: 1.51

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 2.28 AU - 3.8 AU

Year: 2008 Days

Day: 47.2 Hours

Environment

Temp: -122 °C

Axial Tilt: 23 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 48,167,326 km

• M1: 159,322 km (0.098 R)

Planet 7 - Gas Giant

Semi-Major Axis: 11.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 352.4

Radius: 13

Gravity: 2.09 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 9.54 AU - 12.7 AU

Year: 14044 Days

Day: 10 Hours

Environment

Temp: -181 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 48,167,326 km

• M1: 170,990 km (0.116 R)
• M2: 808,876 km (0.063 R)
• M3: 1,272,928 km (0.071 R)
• M4: 2,382,795 km (0.042 R)
• M5: 2,795,835 km (0.044 R)
• M6: 3,422,051 km (0.114 R)
• M7: 9,576,657 km (0.074 R)
• M8: 10,582,853 km (0.063 R)
• M9: 11,713,812 km (0.073 R)
• M10: 12,923,910 km (0.103 R)
• M11: 13,467,249 km (0.107 R)
• M12: 13,900,485 km (0.098 R)
• M13: 14,925,679 km (0.057 R)
• M14: 15,456,901 km (0.104 R)
• M15: 17,054,606 km (0.108 R)
• M16: 18,229,398 km (0.115 R)
• M17: 20,658,120 km (0.056 R)
• M18: 21,401,771 km (0.102 R)
• M19: 25,204,249 km (0.104 R)
• M20: 28,818,534 km (0.073 R)
• M21: 31,339,557 km (0.085 R)
• M22: 35,274,580 km (0.109 R)
• M23: 46,600,485 km (0.102 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 552 - 13,052 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit