🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.96

Radius: 0.98

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 0.52 AU - 0.6 AU

Year: 275 Days

Day: 23.1 Hours

Environment

Temp: -116 °C

Axial Tilt: 21.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 288.8

Radius: 9.4

Gravity: 3.27 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 0.62 AU - 0.74 AU

Year: 368 Days

Day: 14.9 Hours

Environment

Temp: -139 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 17,414,301 km

• M1: 117,135 km (0.067 R)
• M2: 421,567 km (0.085 R)
• M3: 801,845 km (0.064 R)
• M4: 1,211,144 km (0.091 R)
• M5: 1,569,132 km (0.093 R)
• M6: 1,913,058 km (0.108 R)
• M7: 2,486,466 km (0.062 R)
• M8: 2,986,422 km (0.089 R)
• M9: 3,301,326 km (0.1 R)
• M10: 3,682,202 km (0.08 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 40.7

Radius: 9.5

Gravity: 0.45 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 0.8 AU - 1.24 AU

Year: 676 Days

Day: 6.2 Hours

Environment

Temp: -156 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 17,414,301 km

• M1: 118,631 km (0.085 R)
• M2: 484,548 km (0.096 R)
• M3: 857,495 km (0.089 R)
• M4: 1,204,712 km (0.092 R)
• M5: 1,545,645 km (0.097 R)
• M6: 2,152,414 km (0.118 R)
• M7: 2,970,864 km (0.082 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 77.7

Radius: 14.4

Gravity: 0.37 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 1.31 AU - 1.99 AU

Year: 1390 Days

Day: 7.9 Hours

Environment

Temp: -172 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 17,414,301 km

• M1: 182,360 km (0.042 R)
• M2: 704,905 km (0.088 R)
• M3: 1,293,274 km (0.116 R)
• M4: 3,429,232 km (0.083 R)
• M5: 4,588,167 km (0.08 R)
• M6: 5,218,722 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 282.7

Radius: 14.5

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 2.48 AU - 3.52 AU

Year: 3409 Days

Day: 14.8 Hours

Environment

Temp: -205 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 17,414,301 km

• M1: 180,265 km (0.107 R)
• M2: 664,514 km (0.11 R)
• M3: 1,202,617 km (0.064 R)
• M4: 1,890,917 km (0.037 R)
• M5: 2,849,091 km (0.09 R)
• M6: 3,321,821 km (0.083 R)
• M7: 3,828,958 km (0.089 R)
• M8: 5,090,068 km (0.073 R)
• M9: 6,479,832 km (0.049 R)
• M10: 7,715,809 km (0.104 R)
• M11: 8,233,568 km (0.037 R)
• M12: 9,004,146 km (0.088 R)
• M13: 9,682,573 km (0.049 R)
• M14: 11,027,757 km (0.088 R)
• M15: 11,528,910 km (0.065 R)
• M16: 12,996,913 km (0.094 R)
• M17: 13,600,242 km (0.099 R)
• M18: 15,332,735 km (0.073 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: 434 - 17,309 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit