🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.42

Radius: 1.42

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 0.6 AU - 0.86 AU

Year: 280 Days

Day: 45.6 Hours

Environment

Temp: -46 °C

Axial Tilt: 36.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.8

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 0.73 AU - 0.99 AU

Year: 359 Days

Day: 19.4 Hours

Environment

Temp: -52 °C

Axial Tilt: 25.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.66

Radius: 1.68

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 0.98 AU - 1.5 AU

Year: 621 Days

Day: 47.8 Hours

Environment

Temp: -98 °C

Axial Tilt: 18.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 3.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 893.3

Radius: 8

Gravity: 13.96 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 2.59 AU - 3.47 AU

Year: 2371 Days

Day: 13.4 Hours

Environment

Temp: -151 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 29,540,894 km

• M1: 99,483 km (0.057 R)
• M2: 430,543 km (0.082 R)
• M3: 970,142 km (0.072 R)
• M4: 1,675,646 km (0.052 R)
• M5: 2,971,762 km (0.095 R)
• M6: 3,874,884 km (0.034 R)
• M7: 4,857,293 km (0.055 R)
• M8: 5,531,381 km (0.117 R)
• M9: 6,376,609 km (0.1 R)
• M10: 6,801,168 km (0.048 R)
• M11: 7,244,576 km (0.111 R)
• M12: 7,581,770 km (0.073 R)
• M13: 8,254,811 km (0.091 R)
• M14: 8,589,012 km (0.076 R)
• M15: 9,002,052 km (0.055 R)
• M16: 10,320,608 km (0.102 R)
• M17: 11,431,970 km (0.075 R)
• M18: 13,336,201 km (0.082 R)
• M19: 14,172,902 km (0.043 R)
• M20: 15,644,646 km (0.113 R)
• M21: 18,432,402 km (0.109 R)
• M22: 18,946,271 km (0.066 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 717.3

Radius: 11.2

Gravity: 5.72 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 4.26 AU - 5.34 AU

Year: 4728 Days

Day: 10.7 Hours

Environment

Temp: -165 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 29,540,894 km

• M1: 139,276 km (0.119 R)
• M2: 530,624 km (0.082 R)
• M3: 2,020,918 km (0.037 R)
• M4: 2,526,259 km (0.109 R)
• M5: 3,001,083 km (0.114 R)
• M6: 3,598,427 km (0.098 R)
• M7: 4,616,291 km (0.116 R)
• M8: 5,302,646 km (0.117 R)
• M9: 6,055,722 km (0.075 R)
• M10: 6,521,869 km (0.086 R)
• M11: 7,810,654 km (0.108 R)
• M12: 8,213,671 km (0.036 R)
• M13: 8,863,973 km (0.04 R)
• M14: 9,343,434 km (0.076 R)
• M15: 10,441,632 km (0.064 R)
• M16: 11,343,558 km (0.068 R)
• M17: 11,957,208 km (0.056 R)
• M18: 12,444,149 km (0.098 R)
• M19: 15,080,363 km (0.085 R)
• M20: 15,648,984 km (0.118 R)
• M21: 17,194,929 km (0.101 R)
• M22: 19,903,698 km (0.111 R)
• M23: 21,501,702 km (0.117 R)
• M24: 22,149,760 km (0.101 R)
• M25: 23,484,771 km (0.116 R)
• M26: 24,095,131 km (0.062 R)
• M27: 27,223,073 km (0.115 R)
• M28: 29,277,051 km (0.075 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 403 - 16,252 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit