🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.42

Radius: 0.71

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 0.54 AU - 0.86 AU

Year: 213 Days

Day: 31.8 Hours

Environment

Temp: 146 °C

Axial Tilt: 20.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 13,393,504 km

• M1: 213,626 km (0.064 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.77 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.47

Radius: 0.74

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 0.65 AU - 0.89 AU

Year: 246 Days

Day: 29.3 Hours

Environment

Temp: 101 °C

Axial Tilt: 66.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 2.28 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.39

Radius: 0.69

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 2.05 AU - 2.51 AU

Year: 1251 Days

Day: 24.9 Hours

Environment

Temp: -84 °C

Axial Tilt: 82.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 4.05 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.66

Radius: 0.85

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 4.03 AU - 4.07 AU

Year: 2962 Days

Day: 30.4 Hours

Environment

Temp: -124 °C

Axial Tilt: 4.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 13,393,504 km

• M1: 210,484 km (0.073 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 81.4

Radius: 12.8

Gravity: 0.5 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 4.01 AU - 6.35 AU

Year: 4285 Days

Day: 9.2 Hours

Environment

Temp: -130 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (44)

Outer Limit: 13,393,504 km

• M1: 168,597 km (0.116 R)
• M2: 441,912 km (0.093 R)
• M3: 603,029 km (0.08 R)
• M4: 737,069 km (0.103 R)
• M5: 889,958 km (0.103 R)
• M6: 1,054,216 km (0.063 R)
• M7: 1,220,868 km (0.09 R)
• M8: 2,322,956 km (0.071 R)
• M9: 2,487,813 km (0.101 R)
• M10: 2,806,157 km (0.096 R)
• M11: 3,174,018 km (0.084 R)
• M12: 3,545,021 km (0.036 R)
• M13: 3,995,460 km (0.082 R)
• M14: 4,450,686 km (0.113 R)
• M15: 4,838,294 km (0.069 R)
• M16: 5,150,355 km (0.119 R)
• M17: 5,323,440 km (0.086 R)
• M18: 5,425,316 km (0.108 R)
• M19: 6,080,705 km (0.117 R)
• M20: 6,309,889 km (0.081 R)
• M21: 6,542,064 km (0.108 R)
• M22: 6,840,063 km (0.103 R)
• M23: 7,255,198 km (0.09 R)
• M24: 7,335,980 km (0.038 R)
• M25: 7,662,253 km (0.097 R)
• M26: 8,244,488 km (0.114 R)
• M27: 8,345,766 km (0.097 R)
• M28: 8,720,808 km (0.113 R)
• M29: 8,962,259 km (0.099 R)
• M30: 9,170,948 km (0.117 R)
• M31: 9,717,878 km (0.091 R)
• M32: 9,860,594 km (0.095 R)
• M33: 10,022,160 km (0.092 R)
• M34: 10,166,522 km (0.105 R)
• M35: 10,439,089 km (0.065 R)
• M36: 10,585,396 km (0.119 R)
• M37: 11,121,555 km (0.116 R)
• M38: 11,383,650 km (0.099 R)
• M39: 11,515,446 km (0.107 R)
• M40: 11,818,531 km (0.116 R)
• M41: 12,162,756 km (0.092 R)
• M42: 12,626,958 km (0.118 R)
• M43: 12,724,346 km (0.093 R)
• M44: 13,037,754 km (0.046 R)

Kuiper Belt

Range: 30.2 - 48.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 402 - 15,550 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit