🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.42

Radius: 1.64

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 0.42 AU - 0.62 AU

Year: 242 Days

Day: 13.7 Hours

Environment

Temp: -128 °C

Axial Tilt: 34 °

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: 1.01

Radius: 1

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 0.57 AU - 0.65 AU

Year: 308 Days

Day: 30.8 Hours

Environment

Temp: -124 °C

Axial Tilt: 1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 7,008,001 km

• M1: 116,238 km (0.033 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 62.6

Radius: 12.8

Gravity: 0.38 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 0.92 AU - 1.02 AU

Year: 617 Days

Day: 14.6 Hours

Environment

Temp: -153 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 7,008,001 km

• M1: 159,172 km (0.054 R)
• M2: 1,129,464 km (0.111 R)
• M3: 1,942,828 km (0.034 R)
• M4: 3,284,720 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 928.6

Radius: 11.7

Gravity: 6.78 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 1.08 AU - 1.34 AU

Year: 859 Days

Day: 10.5 Hours

Environment

Temp: -177 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 7,008,001 km

• M1: 145,559 km (0.036 R)
• M2: 514,916 km (0.109 R)
• M3: 878,738 km (0.119 R)
• M4: 1,279,062 km (0.106 R)
• M5: 1,653,356 km (0.063 R)
• M6: 2,132,817 km (0.114 R)
• M7: 3,020,830 km (0.041 R)
• M8: 3,564,768 km (0.114 R)
• M9: 4,960,516 km (0.079 R)
• M10: 5,478,723 km (0.082 R)
• M11: 7,570,699 km (0.074 R)
• M12: 8,232,969 km (0.093 R)
• M13: 8,659,473 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 62.3

Radius: 12.3

Gravity: 0.41 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 1.74 AU - 2.3 AU

Year: 1854 Days

Day: 14.8 Hours

Environment

Temp: -193 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 7,008,001 km

• M1: 153,188 km (0.103 R)
• M2: 798,703 km (0.077 R)
• M3: 1,546,543 km (0.094 R)
• M4: 2,585,799 km (0.081 R)
• M5: 3,294,744 km (0.096 R)
• M6: 4,729,537 km (0.114 R)
• M7: 5,631,313 km (0.102 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: 344 - 20,234 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit