🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.78 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.22

Radius: 1.6

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 1.29 AU - 1.81 AU

Year: 723 Days

Day: 45.2 Hours

Environment

Temp: -43 °C

Axial Tilt: 12.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.74

Radius: 1.5

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 1.98 AU - 2.02 AU

Year: 1060 Days

Day: 36.7 Hours

Environment

Temp: -84 °C

Axial Tilt: 6.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 34,044,397 km

• M1: 76,145 km (0.118 R)
• M2: 334,501 km (0.118 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.46 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.72

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 2.27 AU - 2.65 AU

Year: 1446 Days

Day: 34.1 Hours

Environment

Temp: -90 °C

Axial Tilt: 7.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.94 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 5.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 161.8

Radius: 11.1

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 4.86 AU - 5.96 AU

Year: 4715 Days

Day: 9.1 Hours

Environment

Temp: -159 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 34,044,397 km

• M1: 138,079 km (0.055 R)
• M2: 934,987 km (0.081 R)
• M3: 1,392,906 km (0.109 R)
• M4: 1,838,109 km (0.113 R)
• M5: 2,404,935 km (0.077 R)
• M6: 2,850,438 km (0.116 R)
• M7: 3,985,586 km (0.04 R)
• M8: 4,763,795 km (0.052 R)
• M9: 5,305,788 km (0.107 R)
• M10: 5,788,390 km (0.107 R)
• M11: 6,326,644 km (0.105 R)
• M12: 7,297,683 km (0.037 R)
• M13: 8,461,704 km (0.099 R)
• M14: 8,887,011 km (0.114 R)
• M15: 9,709,949 km (0.11 R)
• M16: 10,470,953 km (0.117 R)
• M17: 11,038,677 km (0.032 R)
• M18: 11,626,597 km (0.103 R)
• M19: 14,604,791 km (0.067 R)
• M20: 16,445,444 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 636.4

Radius: 14.9

Gravity: 2.87 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 4.99 AU - 8.01 AU

Year: 6210 Days

Day: 8.4 Hours

Environment

Temp: -158 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 34,044,397 km

• M1: 185,801 km (0.114 R)
• M2: 985,700 km (0.095 R)
• M3: 1,551,629 km (0.116 R)
• M4: 2,057,868 km (0.05 R)
• M5: 2,802,866 km (0.066 R)
• M6: 4,783,242 km (0.076 R)
• M7: 6,227,610 km (0.096 R)
• M8: 7,210,169 km (0.067 R)
• M9: 7,946,489 km (0.085 R)
• M10: 8,854,848 km (0.101 R)
• M11: 9,569,925 km (0.084 R)
• M12: 10,598,560 km (0.118 R)
• M13: 12,613,644 km (0.117 R)
• M14: 14,242,316 km (0.109 R)
• M15: 15,343,954 km (0.107 R)
• M16: 15,946,235 km (0.086 R)
• M17: 17,070,015 km (0.104 R)
• M18: 17,980,168 km (0.049 R)
• M19: 18,514,681 km (0.109 R)
• M20: 19,545,560 km (0.06 R)
• M21: 21,496,915 km (0.109 R)
• M22: 22,481,568 km (0.076 R)
• M23: 24,054,889 km (0.105 R)
• M24: 24,868,552 km (0.041 R)
• M25: 25,616,541 km (0.084 R)
• M26: 29,491,126 km (0.099 R)
• M27: 32,445,085 km (0.068 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 310 - 12,480 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit