🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.44

Radius: 1.16

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 0.5 AU - 0.68 AU

Year: 293 Days

Day: 13.9 Hours

Environment

Temp: -136 °C

Axial Tilt: 32.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 774.4

Radius: 13.3

Gravity: 4.38 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 0.6 AU - 0.82 AU

Year: 386 Days

Day: 14.5 Hours

Environment

Temp: -129 °C

Axial Tilt: 47.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 36,477,500 km

• M1: 165,455 km (0.09 R)
• M2: 596,746 km (0.081 R)
• M3: 1,191,397 km (0.107 R)
• M4: 2,474,947 km (0.066 R)
• M5: 2,907,435 km (0.059 R)
• M6: 3,966,887 km (0.11 R)
• M7: 4,409,846 km (0.117 R)
• M8: 5,144,372 km (0.071 R)
• M9: 5,672,751 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 423.6

Radius: 12.6

Gravity: 2.67 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 5.26 AU - 5.84 AU

Year: 8442 Days

Day: 10.6 Hours

Environment

Temp: -211 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 36,477,500 km

• M1: 156,629 km (0.106 R)
• M2: 652,546 km (0.076 R)
• M3: 1,450,052 km (0.101 R)
• M4: 2,925,237 km (0.053 R)
• M5: 3,533,053 km (0.118 R)
• M6: 5,060,148 km (0.105 R)
• M7: 5,472,739 km (0.115 R)
• M8: 8,360,277 km (0.047 R)
• M9: 9,633,355 km (0.111 R)
• M10: 11,277,435 km (0.095 R)
• M11: 13,377,191 km (0.111 R)
• M12: 13,997,723 km (0.07 R)
• M13: 14,637,404 km (0.094 R)
• M14: 15,357,269 km (0.09 R)
• M15: 16,867,908 km (0.095 R)
• M16: 22,383,581 km (0.092 R)
• M17: 24,572,348 km (0.077 R)
• M18: 25,077,390 km (0.047 R)
• M19: 28,624,057 km (0.059 R)
• M20: 30,614,007 km (0.093 R)
• M21: 32,694,315 km (0.058 R)
• M22: 33,511,120 km (0.084 R)
• M23: 34,132,699 km (0.073 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: 384 - 14,828 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit