🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.76 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.51 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.98

Radius: 1.74

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 1.45 AU - 1.57 AU

Year: 658 Days

Day: 32.9 Hours

Environment

Temp: -3 °C

Axial Tilt: 29.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 3.28 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.29

Radius: 1.11

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 2.67 AU - 3.89 AU

Year: 2107 Days

Day: 21.3 Hours

Environment

Temp: -106 °C

Axial Tilt: 29.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 6.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 213.6

Radius: 8.5

Gravity: 2.96 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 4.88 AU - 7.6 AU

Year: 5530 Days

Day: 5.9 Hours

Environment

Temp: -152 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 16,459,407 km

• M1: 107,860 km (0.101 R)
• M2: 813,064 km (0.068 R)
• M3: 1,227,600 km (0.098 R)
• M4: 2,091,528 km (0.086 R)
• M5: 2,368,284 km (0.117 R)
• M6: 3,537,242 km (0.103 R)
• M7: 4,401,917 km (0.081 R)
• M8: 5,980,773 km (0.087 R)
• M9: 6,456,794 km (0.09 R)
• M10: 6,808,049 km (0.071 R)
• M11: 7,327,304 km (0.037 R)
• M12: 9,824,092 km (0.118 R)
• M13: 11,644,399 km (0.102 R)
• M14: 13,022,345 km (0.098 R)
• M15: 14,655,206 km (0.051 R)
• M16: 17,353,652 km (0.083 R)
• M17: 19,872,581 km (0.066 R)
• M18: 21,702,911 km (0.035 R)

Planet 4 - Gas Giant

Semi-Major Axis: 7.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 50.6

Radius: 13.8

Gravity: 0.27 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 6.52 AU - 8.64 AU

Year: 7404 Days

Day: 10.5 Hours

Environment

Temp: -153 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 16,459,407 km

• M1: 171,589 km (0.065 R)
• M2: 607,068 km (0.071 R)
• M3: 1,051,374 km (0.101 R)
• M4: 1,777,821 km (0.119 R)
• M5: 2,665,834 km (0.069 R)
• M6: 3,760,591 km (0.043 R)
• M7: 6,852,480 km (0.055 R)
• M8: 7,578,628 km (0.086 R)
• M9: 8,232,670 km (0.039 R)
• M10: 9,620,041 km (0.034 R)
• M11: 13,315,108 km (0.116 R)
• M12: 15,407,833 km (0.112 R)

Kuiper Belt

Range: 30.9 - 50.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 387 - 10,873 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit