🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.35

Radius: 0.66

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 0.41 AU - 0.63 AU

Year: 165 Days

Day: 36 Hours

Environment

Temp: 36 °C

Axial Tilt: 32.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 0.68 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.25

Radius: 1.38

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 0.65 AU - 0.71 AU

Year: 247 Days

Day: 30.7 Hours

Environment

Temp: -6 °C

Axial Tilt: 25 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 18,203,207 km

• M1: 464,202 km (0.066 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.23

Radius: 1.6

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 1.26 AU - 1.8 AU

Year: 832 Days

Day: 45.6 Hours

Environment

Temp: -99 °C

Axial Tilt: 27.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.85

Radius: 1.52

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 1.37 AU - 1.83 AU

Year: 890 Days

Day: 14.8 Hours

Environment

Temp: -103 °C

Axial Tilt: 18.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 18,203,207 km

• M1: 376,239 km (0.088 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 744

Radius: 13.3

Gravity: 4.21 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 3.26 AU - 3.58 AU

Year: 2781 Days

Day: 9.2 Hours

Environment

Temp: -147 °C

Axial Tilt: 89.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 18,203,207 km

• M1: 165,455 km (0.036 R)
• M2: 662,868 km (0.029 R)
• M3: 1,081,593 km (0.116 R)
• M4: 1,518,418 km (0.098 R)
• M5: 2,497,686 km (0.12 R)
• M6: 2,993,603 km (0.119 R)
• M7: 3,555,493 km (0.099 R)
• M8: 4,986,396 km (0.093 R)
• M9: 5,548,735 km (0.113 R)
• M10: 6,044,951 km (0.078 R)
• M11: 6,888,982 km (0.087 R)
• M12: 7,463,288 km (0.114 R)
• M13: 8,673,685 km (0.098 R)
• M14: 9,973,092 km (0.094 R)
• M15: 10,630,125 km (0.029 R)
• M16: 13,785,743 km (0.091 R)
• M17: 14,749,153 km (0.064 R)
• M18: 18,362,540 km (0.096 R)
• M19: 20,008,715 km (0.109 R)
• M20: 20,435,219 km (0.106 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 251

Radius: 15

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 4.13 AU - 4.39 AU

Year: 3866 Days

Day: 7.5 Hours

Environment

Temp: -170 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 18,203,207 km

• M1: 186,997 km (0.113 R)
• M2: 816,505 km (0.03 R)
• M3: 1,348,326 km (0.111 R)
• M4: 1,817,465 km (0.099 R)
• M5: 2,319,216 km (0.06 R)
• M6: 3,384,652 km (0.093 R)
• M7: 4,235,864 km (0.054 R)
• M8: 5,088,871 km (0.055 R)
• M9: 6,028,345 km (0.059 R)
• M10: 7,878,871 km (0.082 R)
• M11: 8,901,821 km (0.118 R)
• M12: 10,903,291 km (0.114 R)
• M13: 13,585,132 km (0.07 R)
• M14: 14,079,104 km (0.077 R)
• M15: 16,579,034 km (0.107 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 531 - 17,624 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit