🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.8 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.46

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 0.72 AU - 0.88 AU

Year: 255 Days

Day: 39.6 Hours

Environment

Temp: 189 °C

Axial Tilt: 14.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Asteroid Belt

Center: 2.61 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Terrestrial

Semi-Major Axis: 4.42 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.95

Radius: 1.73

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 3.82 AU - 5.02 AU

Year: 3312 Days

Day: 15 Hours

Environment

Temp: -117 °C

Axial Tilt: 20.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.93 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 9.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 372.8

Radius: 10.9

Gravity: 3.14 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 8.7 AU - 10.16 AU

Year: 10322 Days

Day: 14.2 Hours

Environment

Temp: -172 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 42,185,922 km

• M1: 135,536 km (0.119 R)
• M2: 509,830 km (0.092 R)
• M3: 885,320 km (0.106 R)
• M4: 1,276,967 km (0.118 R)
• M5: 1,785,600 km (0.106 R)
• M6: 2,572,036 km (0.088 R)
• M7: 3,003,327 km (0.1 R)
• M8: 3,391,833 km (0.066 R)
• M9: 4,089,258 km (0.072 R)
• M10: 4,996,419 km (0.116 R)
• M11: 6,373,318 km (0.119 R)
• M12: 7,512,655 km (0.09 R)
• M13: 8,442,257 km (0.03 R)
• M14: 14,453,099 km (0.107 R)
• M15: 18,321,401 km (0.108 R)
• M16: 20,684,299 km (0.119 R)
• M17: 21,227,040 km (0.112 R)
• M18: 22,260,313 km (0.113 R)
• M19: 32,801,128 km (0.076 R)
• M20: 34,831,022 km (0.073 R)

Planet 4 - Gas Giant

Semi-Major Axis: 9.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 391.7

Radius: 12.7

Gravity: 2.43 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 7.72 AU - 11.86 AU

Year: 10919 Days

Day: 9.4 Hours

Environment

Temp: -180 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 42,185,922 km

• M1: 158,723 km (0.09 R)
• M2: 599,439 km (0.094 R)
• M3: 1,041,500 km (0.117 R)
• M4: 1,640,939 km (0.04 R)
• M5: 2,070,135 km (0.072 R)
• M6: 3,140,209 km (0.106 R)
• M7: 3,617,426 km (0.113 R)
• M8: 4,169,293 km (0.112 R)
• M9: 5,700,277 km (0.114 R)
• M10: 6,775,886 km (0.101 R)
• M11: 7,738,249 km (0.047 R)
• M12: 8,571,958 km (0.06 R)
• M13: 9,372,905 km (0.087 R)
• M14: 10,467,961 km (0.095 R)
• M15: 10,970,012 km (0.051 R)
• M16: 11,806,713 km (0.114 R)
• M17: 12,855,095 km (0.073 R)
• M18: 14,635,459 km (0.045 R)
• M19: 15,584,807 km (0.066 R)
• M20: 16,440,507 km (0.095 R)
• M21: 17,959,524 km (0.061 R)
• M22: 20,879,375 km (0.106 R)
• M23: 22,493,386 km (0.094 R)
• M24: 23,415,657 km (0.098 R)
• M25: 26,059,650 km (0.117 R)
• M26: 27,453,453 km (0.074 R)
• M27: 28,798,787 km (0.089 R)
• M28: 36,763,677 km (0.098 R)

Kuiper Belt

Range: 30.8 - 46.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 434 - 12,416 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit