🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.21

Radius: 1.59

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 0.56 AU - 0.62 AU

Year: 297 Days

Day: 19.2 Hours

Environment

Temp: -119 °C

Axial Tilt: 23.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 5

Radius: 1.9

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 0.55 AU - 0.67 AU

Year: 313 Days

Day: 19.5 Hours

Environment

Temp: -135 °C

Axial Tilt: 31.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 31,525,660 km

• M1: 44,580 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 220.1

Radius: 8

Gravity: 3.44 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 1.57 AU - 2.35 AU

Year: 1800 Days

Day: 8.3 Hours

Environment

Temp: -196 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 31,525,660 km

• M1: 104,419 km (0.081 R)
• M2: 362,924 km (0.108 R)
• M3: 1,814,921 km (0.103 R)
• M4: 2,228,709 km (0.097 R)
• M5: 6,556,426 km (0.101 R)
• M6: 9,016,114 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 908.7

Radius: 11

Gravity: 7.51 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 3.01 AU - 4.35 AU

Year: 4631 Days

Day: 8.6 Hours

Environment

Temp: -206 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 31,525,660 km

• M1: 136,882 km (0.089 R)
• M2: 669,600 km (0.094 R)
• M3: 1,099,245 km (0.115 R)
• M4: 1,505,852 km (0.114 R)
• M5: 1,970,204 km (0.095 R)
• M6: 2,380,252 km (0.099 R)
• M7: 2,738,389 km (0.069 R)
• M8: 4,474,323 km (0.116 R)
• M9: 5,106,972 km (0.1 R)
• M10: 5,828,333 km (0.098 R)
• M11: 6,388,727 km (0.091 R)
• M12: 7,018,982 km (0.074 R)
• M13: 7,690,228 km (0.069 R)
• M14: 13,273,370 km (0.095 R)
• M15: 13,753,280 km (0.104 R)
• M16: 16,087,605 km (0.074 R)
• M17: 17,317,300 km (0.12 R)
• M18: 18,345,336 km (0.092 R)
• M19: 19,277,780 km (0.1 R)
• M20: 21,381,874 km (0.068 R)
• M21: 22,190,451 km (0.058 R)
• M22: 23,019,223 km (0.111 R)
• M23: 24,261,483 km (0.094 R)
• M24: 26,124,725 km (0.1 R)
• M25: 26,963,969 km (0.065 R)
• M26: 27,994,549 km (0.111 R)
• M27: 30,871,166 km (0.07 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 442 - 19,879 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit