🌌 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: 1.55

Radius: 1.19

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 0.5 AU - 0.54 AU

Year: 246 Days

Day: 31 Hours

Environment

Temp: -122 °C

Axial Tilt: 1.5 °

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: 0.29

Radius: 0.61

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 0.55 AU - 0.67 AU

Year: 313 Days

Day: 35.7 Hours

Environment

Temp: -135 °C

Axial Tilt: 37.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 811.8

Radius: 13.9

Gravity: 4.2 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 0.93 AU - 1.27 AU

Year: 757 Days

Day: 12.5 Hours

Environment

Temp: -170 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 23,093,186 km

• M1: 172,935 km (0.113 R)
• M2: 623,823 km (0.119 R)
• M3: 1,127,070 km (0.1 R)
• M4: 1,614,011 km (0.074 R)
• M5: 2,067,143 km (0.113 R)
• M6: 2,910,875 km (0.074 R)
• M7: 3,679,060 km (0.118 R)
• M8: 4,365,415 km (0.106 R)
• M9: 4,904,267 km (0.083 R)
• M10: 5,601,842 km (0.061 R)
• M11: 6,076,067 km (0.045 R)
• M12: 7,638,467 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 597.5

Radius: 14.2

Gravity: 2.96 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 2.95 AU - 3.25 AU

Year: 3581 Days

Day: 14.4 Hours

Environment

Temp: -196 °C

Axial Tilt: 158.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 23,093,186 km

• M1: 176,675 km (0.107 R)
• M2: 653,144 km (0.114 R)
• M3: 1,167,611 km (0.028 R)
• M4: 2,237,087 km (0.068 R)
• M5: 2,823,510 km (0.079 R)
• M6: 3,627,150 km (0.077 R)
• M7: 4,244,391 km (0.08 R)
• M8: 4,741,056 km (0.08 R)
• M9: 6,557,623 km (0.037 R)
• M10: 7,038,281 km (0.118 R)
• M11: 7,607,201 km (0.079 R)
• M12: 9,652,503 km (0.045 R)
• M13: 11,822,121 km (0.042 R)
• M14: 12,951,286 km (0.03 R)
• M15: 13,759,414 km (0.107 R)
• M16: 15,267,211 km (0.099 R)
• M17: 15,846,902 km (0.116 R)
• M18: 16,938,518 km (0.075 R)
• M19: 17,847,475 km (0.083 R)
• M20: 20,136,621 km (0.094 R)
• M21: 21,482,404 km (0.108 R)
• M22: 22,751,143 km (0.043 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 476 - 15,721 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit