🌌 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: 1.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.03

Radius: 1.01

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 1.38 AU - 1.78 AU

Year: 722 Days

Day: 39.4 Hours

Environment

Temp: -49 °C

Axial Tilt: 37.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 3.81 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.85

Radius: 1.71

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 3.64 AU - 3.98 AU

Year: 2703 Days

Day: 31.8 Hours

Environment

Temp: -118 °C

Axial Tilt: 36.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.05 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 8.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 133.7

Radius: 11.6

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 7.44 AU - 9.12 AU

Year: 8659 Days

Day: 5.5 Hours

Environment

Temp: -159 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 23,705,711 km

• M1: 144,212 km (0.115 R)
• M2: 555,756 km (0.055 R)
• M3: 1,479,373 km (0.036 R)
• M4: 3,398,116 km (0.106 R)
• M5: 4,771,125 km (0.033 R)
• M6: 11,835,136 km (0.109 R)
• M7: 20,938,316 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 9.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 82.7

Radius: 10.3

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 8.25 AU - 9.99 AU

Year: 10010 Days

Day: 12.3 Hours

Environment

Temp: -166 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 23,705,711 km

• M1: 134,937 km (0.072 R)
• M2: 618,438 km (0.118 R)
• M3: 1,165,218 km (0.098 R)
• M4: 1,659,788 km (0.054 R)
• M5: 2,654,913 km (0.096 R)
• M6: 4,008,176 km (0.087 R)
• M7: 4,657,281 km (0.098 R)
• M8: 6,814,482 km (0.113 R)
• M9: 7,219,294 km (0.042 R)
• M10: 8,180,610 km (0.091 R)
• M11: 8,674,133 km (0.109 R)
• M12: 9,489,891 km (0.073 R)
• M13: 11,974,861 km (0.104 R)
• M14: 14,202,672 km (0.098 R)
• M15: 18,909,919 km (0.103 R)
• M16: 19,586,550 km (0.04 R)
• M17: 20,088,750 km (0.076 R)
• M18: 21,118,731 km (0.066 R)
• M19: 23,423,885 km (0.093 R)

Kuiper Belt

Range: 30.2 - 48.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 406 - 14,907 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit