🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.79 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.04

Radius: 1.33

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 1.53 AU - 1.61 AU

Year: 737 Days

Day: 36 Hours

Environment

Temp: -61 °C

Axial Tilt: 25.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.62

Radius: 1.47

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 1.39 AU - 2.03 AU

Year: 838 Days

Day: 12.4 Hours

Environment

Temp: -54 °C

Axial Tilt: 25.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.31 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.66

Radius: 1.48

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 2.24 AU - 2.38 AU

Year: 1316 Days

Day: 47.4 Hours

Environment

Temp: -81 °C

Axial Tilt: 4.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.81 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 11.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 697.8

Radius: 13.7

Gravity: 3.72 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 9.65 AU - 12.95 AU

Year: 14235 Days

Day: 9.5 Hours

Environment

Temp: -180 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 73,433,800 km

• M1: 183,557 km (0.114 R)
• M2: 970,292 km (0.059 R)
• M3: 1,492,089 km (0.078 R)
• M4: 2,713,257 km (0.088 R)
• M5: 3,483,536 km (0.094 R)
• M6: 5,940,980 km (0.074 R)
• M7: 7,915,672 km (0.105 R)
• M8: 11,800,878 km (0.091 R)
• M9: 19,391,175 km (0.079 R)
• M10: 20,955,969 km (0.042 R)
• M11: 25,234,318 km (0.078 R)
• M12: 27,524,063 km (0.115 R)
• M13: 28,829,903 km (0.083 R)
• M14: 29,610,505 km (0.11 R)
• M15: 31,330,581 km (0.11 R)
• M16: 32,036,982 km (0.076 R)
• M17: 39,559,661 km (0.114 R)
• M18: 49,917,219 km (0.114 R)
• M19: 60,302,752 km (0.086 R)

Planet 5 - Ice Giant

Semi-Major Axis: 13.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 750.6

Radius: 6.9

Gravity: 15.77 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 10.48 AU - 16.06 AU

Year: 18115 Days

Day: 20.2 Hours

Environment

Temp: -199 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 73,433,800 km

• M1: 86,468 km (0.114 R)
• M2: 304,880 km (0.07 R)
• M3: 888,312 km (0.091 R)
• M4: 1,245,701 km (0.1 R)
• M5: 2,026,902 km (0.042 R)
• M6: 2,534,637 km (0.063 R)
• M7: 3,831,351 km (0.12 R)
• M8: 4,958,272 km (0.108 R)
• M9: 5,876,952 km (0.079 R)
• M10: 8,982,006 km (0.081 R)
• M11: 9,815,565 km (0.096 R)
• M12: 11,699,750 km (0.056 R)
• M13: 11,959,303 km (0.059 R)
• M14: 15,692,517 km (0.106 R)
• M15: 27,462,728 km (0.105 R)
• M16: 35,566,894 km (0.058 R)
• M17: 45,130,686 km (0.114 R)
• M18: 54,272,612 km (0.036 R)
• M19: 62,181,552 km (0.12 R)
• M20: 65,385,789 km (0.105 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 530 - 20,442 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit