🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.9 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 3.79 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.1

Radius: 0.4

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 3.57 AU - 4.01 AU

Year: 2618 Days

Day: 20.3 Hours

Environment

Temp: -123 °C

Axial Tilt: 41.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 14,943,159 km

• M1: 14,960 km (0.082 R)
• M2: 865,723 km (0.08 R)

Planet 2 - Terrestrial

Semi-Major Axis: 4.26 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.16

Radius: 1.36

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 3.91 AU - 4.61 AU

Year: 3119 Days

Day: 43.5 Hours

Environment

Temp: -126 °C

Axial Tilt: 6.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.71 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Terrestrial

Semi-Major Axis: 5.15 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.7

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 4.84 AU - 5.46 AU

Year: 4146 Days

Day: 38.7 Hours

Environment

Temp: -132 °C

Axial Tilt: 38.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 5.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 105.9

Radius: 14.5

Gravity: 0.5 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 4.51 AU - 6.25 AU

Year: 4427 Days

Day: 13.4 Hours

Environment

Temp: -140 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (60)

Outer Limit: 14,943,159 km

• M1: 181,612 km (0.027 R)
• M2: 281,094 km (0.08 R)
• M3: 408,253 km (0.051 R)
• M4: 612,603 km (0.07 R)
• M5: 718,967 km (0.102 R)
• M6: 1,151,904 km (0.118 R)
• M7: 1,279,660 km (0.063 R)
• M8: 1,500,766 km (0.116 R)
• M9: 1,745,358 km (0.066 R)
• M10: 2,092,575 km (0.102 R)
• M11: 2,205,671 km (0.114 R)
• M12: 2,332,530 km (0.109 R)
• M13: 2,438,296 km (0.071 R)
• M14: 2,545,707 km (0.058 R)
• M15: 2,654,764 km (0.055 R)
• M16: 2,978,942 km (0.031 R)
• M17: 3,145,894 km (0.1 R)
• M18: 3,369,094 km (0.052 R)
• M19: 3,543,375 km (0.089 R)
• M20: 3,720,649 km (0.077 R)
• M21: 3,887,151 km (0.087 R)
• M22: 4,112,894 km (0.09 R)
• M23: 4,227,337 km (0.09 R)
• M24: 4,386,658 km (0.102 R)
• M25: 4,503,793 km (0.114 R)
• M26: 4,846,373 km (0.058 R)
• M27: 4,982,806 km (0.118 R)
• M28: 5,074,360 km (0.11 R)
• M29: 5,166,662 km (0.092 R)
• M30: 5,572,969 km (0.093 R)
• M31: 5,941,130 km (0.069 R)
• M32: 6,169,117 km (0.094 R)
• M33: 6,317,219 km (0.051 R)
• M34: 6,650,822 km (0.053 R)
• M35: 7,041,422 km (0.053 R)
• M36: 7,213,759 km (0.035 R)
• M37: 7,439,801 km (0.066 R)
• M38: 8,258,401 km (0.087 R)
• M39: 8,403,810 km (0.06 R)
• M40: 8,770,774 km (0.115 R)
• M41: 9,539,856 km (0.064 R)
• M42: 9,654,299 km (0.091 R)
• M43: 10,000,169 km (0.106 R)
• M44: 10,096,959 km (0.072 R)
• M45: 10,194,048 km (0.066 R)
• M46: 10,408,870 km (0.075 R)
• M47: 10,783,314 km (0.107 R)
• M48: 10,922,440 km (0.088 R)
• M49: 11,222,683 km (0.045 R)
• M50: 11,343,408 km (0.09 R)
• M51: 11,545,814 km (0.119 R)
• M52: 11,749,417 km (0.116 R)
• M53: 11,933,572 km (0.092 R)
• M54: 12,785,083 km (0.07 R)
• M55: 13,016,810 km (0.085 R)
• M56: 13,785,145 km (0.077 R)
• M57: 14,131,464 km (0.084 R)
• M58: 14,392,961 km (0.034 R)
• M59: 14,546,299 km (0.111 R)
• M60: 14,943,182 km (0.114 R)

Kuiper Belt

Range: 30.9 - 51.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 444 - 14,591 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit