🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.76

Radius: 1.25

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 0.52 AU - 0.64 AU

Year: 281 Days

Day: 27.9 Hours

Environment

Temp: -129 °C

Axial Tilt: 47.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 442.3

Radius: 14.5

Gravity: 2.1 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 0.77 AU - 0.79 AU

Year: 438 Days

Day: 6.7 Hours

Environment

Temp: -138 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 8,901,924 km

• M1: 180,265 km (0.043 R)
• M2: 676,631 km (0.043 R)
• M3: 1,179,878 km (0.103 R)
• M4: 1,654,403 km (0.076 R)
• M5: 2,430,517 km (0.07 R)
• M6: 3,093,235 km (0.112 R)
• M7: 3,565,516 km (0.086 R)
• M8: 4,240,800 km (0.111 R)
• M9: 5,000,309 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 550.8

Radius: 13.3

Gravity: 3.11 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 0.78 AU - 0.98 AU

Year: 525 Days

Day: 6.2 Hours

Environment

Temp: -151 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 8,901,924 km

• M1: 165,455 km (0.096 R)
• M2: 603,328 km (0.102 R)
• M3: 1,020,706 km (0.071 R)
• M4: 1,608,177 km (0.113 R)
• M5: 2,407,628 km (0.096 R)
• M6: 2,825,156 km (0.087 R)
• M7: 3,494,905 km (0.056 R)
• M8: 4,048,118 km (0.088 R)
• M9: 4,511,872 km (0.072 R)
• M10: 4,948,698 km (0.082 R)
• M11: 5,700,128 km (0.119 R)
• M12: 6,157,598 km (0.039 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 838.1

Radius: 14.1

Gravity: 4.22 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 1.06 AU - 1.12 AU

Year: 724 Days

Day: 14.6 Hours

Environment

Temp: -173 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 8,901,924 km

• M1: 175,478 km (0.093 R)
• M2: 650,452 km (0.107 R)
• M3: 1,098,796 km (0.111 R)
• M4: 1,564,794 km (0.113 R)
• M5: 2,088,685 km (0.112 R)
• M6: 2,571,887 km (0.088 R)
• M7: 3,365,204 km (0.118 R)
• M8: 4,143,861 km (0.091 R)
• M9: 4,847,420 km (0.102 R)
• M10: 5,668,114 km (0.111 R)
• M11: 6,389,774 km (0.113 R)
• M12: 7,680,953 km (0.116 R)
• M13: 8,797,552 km (0.039 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 344 - 11,879 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit