🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.04

Radius: 1.02

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 0.52 AU - 0.58 AU

Year: 268 Days

Day: 20.5 Hours

Environment

Temp: -117 °C

Axial Tilt: 32.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.13

Radius: 1.35

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 0.62 AU - 0.66 AU

Year: 336 Days

Day: 23.8 Hours

Environment

Temp: -132 °C

Axial Tilt: 7.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 375.1

Radius: 11

Gravity: 3.1 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 1.01 AU - 1.15 AU

Year: 736 Days

Day: 14 Hours

Environment

Temp: -172 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 11,661,318 km

• M1: 136,882 km (0.117 R)
• M2: 568,921 km (0.049 R)
• M3: 945,907 km (0.12 R)
• M4: 1,407,118 km (0.08 R)
• M5: 1,999,675 km (0.075 R)
• M6: 2,731,208 km (0.104 R)
• M7: 3,089,046 km (0.117 R)
• M8: 3,478,450 km (0.086 R)
• M9: 3,914,378 km (0.101 R)
• M10: 4,476,567 km (0.117 R)
• M11: 5,480,817 km (0.064 R)
• M12: 5,889,369 km (0.099 R)
• M13: 6,375,861 km (0.066 R)
• M14: 6,728,164 km (0.078 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 539.1

Radius: 8.9

Gravity: 6.81 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 1.27 AU - 1.97 AU

Year: 1353 Days

Day: 12.1 Hours

Environment

Temp: -173 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 11,661,318 km

• M1: 113,395 km (0.115 R)
• M2: 428,897 km (0.096 R)
• M3: 754,572 km (0.025 R)
• M4: 1,412,204 km (0.073 R)
• M5: 2,139,100 km (0.1 R)
• M6: 2,423,186 km (0.099 R)
• M7: 3,282,776 km (0.118 R)
• M8: 4,368,258 km (0.073 R)
• M9: 4,697,074 km (0.088 R)
• M10: 5,655,548 km (0.081 R)
• M11: 6,024,605 km (0.054 R)
• M12: 7,179,202 km (0.083 R)
• M13: 7,534,646 km (0.103 R)
• M14: 8,117,031 km (0.115 R)
• M15: 9,431,547 km (0.105 R)
• M16: 9,827,383 km (0.116 R)
• M17: 10,882,497 km (0.086 R)
• M18: 11,182,890 km (0.107 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 409 - 20,371 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit