🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.98 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.25

Radius: 0.57

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.77 AU - 1.19 AU

Year: 369 Days

Day: 37.2 Hours

Environment

Temp: 16 °C

Axial Tilt: 17.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 3.26 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.53

Radius: 1.45

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 2.68 AU - 3.84 AU

Year: 2241 Days

Day: 15.5 Hours

Environment

Temp: -111 °C

Axial Tilt: 15.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.17 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 5.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 311.8

Radius: 13.5

Gravity: 1.71 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 4.31 AU - 5.83 AU

Year: 4347 Days

Day: 9.7 Hours

Environment

Temp: -148 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 39,608,547 km

• M1: 170,691 km (0.074 R)
• M2: 685,158 km (0.104 R)
• M3: 1,239,867 km (0.098 R)
• M4: 1,767,948 km (0.088 R)
• M5: 3,603,514 km (0.112 R)
• M6: 6,797,428 km (0.102 R)
• M7: 7,367,994 km (0.058 R)
• M8: 8,743,248 km (0.09 R)
• M9: 10,360,999 km (0.088 R)
• M10: 11,036,882 km (0.053 R)
• M11: 11,826,759 km (0.071 R)
• M12: 12,878,133 km (0.067 R)
• M13: 15,166,531 km (0.076 R)
• M14: 16,835,595 km (0.029 R)
• M15: 20,597,532 km (0.077 R)

Planet 4 - Gas Giant

Semi-Major Axis: 7.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 568.2

Radius: 14.4

Gravity: 2.74 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 6.98 AU - 8.56 AU

Year: 8248 Days

Day: 9.5 Hours

Environment

Temp: -161 °C

Axial Tilt: 45.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 39,608,547 km

• M1: 179,069 km (0.044 R)
• M2: 634,295 km (0.061 R)
• M3: 1,331,122 km (0.074 R)
• M4: 2,112,172 km (0.093 R)
• M5: 4,092,549 km (0.107 R)
• M6: 5,078,249 km (0.066 R)
• M7: 6,632,422 km (0.118 R)
• M8: 9,576,208 km (0.033 R)
• M9: 12,908,052 km (0.086 R)
• M10: 13,703,315 km (0.104 R)
• M11: 14,410,912 km (0.069 R)
• M12: 17,624,724 km (0.077 R)
• M13: 18,962,428 km (0.081 R)
• M14: 20,824,622 km (0.075 R)
• M15: 21,998,816 km (0.069 R)
• M16: 22,561,752 km (0.066 R)
• M17: 29,696,524 km (0.116 R)
• M18: 31,690,215 km (0.072 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: 210 - 12,055 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit