🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.85 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.35

Radius: 1.41

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 0.84 AU - 0.86 AU

Year: 298 Days

Day: 44.9 Hours

Environment

Temp: 41 °C

Axial Tilt: 21.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 8,514,820 km

• M1: 141,819 km (0.069 R)

Planet 2 - Terrestrial

Semi-Major Axis: 3.94 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.4

Radius: 0.69

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 3.09 AU - 4.79 AU

Year: 2978 Days

Day: 17.5 Hours

Environment

Temp: -131 °C

Axial Tilt: 46.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 8,514,820 km

• M1: 744,249 km (0.092 R)

Planet 3 - Terrestrial

Semi-Major Axis: 3.99 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.29

Radius: 1.39

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 3.04 AU - 4.94 AU

Year: 3035 Days

Day: 33 Hours

Environment

Temp: -131 °C

Axial Tilt: 9.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 8,514,820 km

• M1: 170,691 km (0.064 R)

Planet 4 - Terrestrial

Semi-Major Axis: 4.09 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.05

Radius: 1.56

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 3.87 AU - 4.31 AU

Year: 3150 Days

Day: 36.3 Hours

Environment

Temp: -130 °C

Axial Tilt: 37.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 8,514,820 km

• M1: 3,304,019 km (0.11 R)

Asteroid Belt

Center: 4.62 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 5.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 19.5

Radius: 12.8

Gravity: 0.12 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 4.73 AU - 5.55 AU

Year: 4438 Days

Day: 12.9 Hours

Environment

Temp: -151 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 8,514,820 km

• M1: 202,556 km (0.115 R)
• M2: 317,297 km (0.047 R)
• M3: 447,597 km (0.085 R)
• M4: 770,878 km (0.034 R)
• M5: 884,273 km (0.118 R)
• M6: 1,166,265 km (0.105 R)
• M7: 1,491,192 km (0.113 R)
• M8: 1,573,620 km (0.104 R)
• M9: 1,801,158 km (0.076 R)
• M10: 1,926,521 km (0.049 R)
• M11: 2,047,396 km (0.071 R)
• M12: 2,304,854 km (0.03 R)
• M13: 2,449,815 km (0.079 R)
• M14: 2,631,277 km (0.059 R)
• M15: 2,732,106 km (0.036 R)
• M16: 2,955,306 km (0.096 R)
• M17: 3,095,629 km (0.033 R)
• M18: 3,576,735 km (0.071 R)
• M19: 4,198,913 km (0.077 R)
• M20: 4,327,418 km (0.096 R)
• M21: 4,649,502 km (0.097 R)
• M22: 4,762,149 km (0.115 R)
• M23: 4,875,544 km (0.115 R)
• M24: 5,126,420 km (0.087 R)
• M25: 5,413,648 km (0.094 R)
• M26: 5,510,587 km (0.094 R)
• M27: 5,959,530 km (0.107 R)
• M28: 6,295,677 km (0.096 R)
• M29: 6,409,072 km (0.085 R)
• M30: 6,592,030 km (0.098 R)
• M31: 6,927,877 km (0.056 R)
• M32: 7,021,675 km (0.078 R)
• M33: 7,269,559 km (0.101 R)
• M34: 7,460,446 km (0.092 R)
• M35: 7,568,605 km (0.084 R)
• M36: 7,822,921 km (0.105 R)
• M37: 7,944,993 km (0.111 R)
• M38: 8,253,015 km (0.119 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 301 - 15,127 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit