🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.63 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.25 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.61

Radius: 1.47

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 1.18 AU - 1.32 AU

Year: 489 Days

Day: 17.5 Hours

Environment

Temp: 33 °C

Axial Tilt: 31.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 3.87 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.29

Radius: 1.39

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 3.74 AU - 4 AU

Year: 2663 Days

Day: 39.4 Hours

Environment

Temp: -111 °C

Axial Tilt: 49.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 5.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 190.3

Radius: 12

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 4.37 AU - 7.29 AU

Year: 4925 Days

Day: 8.6 Hours

Environment

Temp: -139 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 36,219,106 km

• M1: 149,299 km (0.112 R)
• M2: 651,200 km (0.078 R)
• M3: 1,342,042 km (0.115 R)
• M4: 1,924,726 km (0.081 R)
• M5: 2,597,767 km (0.059 R)
• M6: 3,129,737 km (0.09 R)
• M7: 4,144,609 km (0.072 R)
• M8: 4,988,939 km (0.112 R)
• M9: 5,367,123 km (0.118 R)
• M10: 6,262,017 km (0.113 R)
• M11: 8,056,294 km (0.118 R)
• M12: 9,369,763 km (0.111 R)
• M13: 11,017,584 km (0.09 R)
• M14: 11,580,222 km (0.112 R)
• M15: 14,071,924 km (0.055 R)
• M16: 14,638,900 km (0.096 R)
• M17: 17,220,061 km (0.088 R)

Planet 4 - Gas Giant

Semi-Major Axis: 9.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 304.1

Radius: 9

Gravity: 3.75 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 7.84 AU - 10.68 AU

Year: 9858 Days

Day: 7.3 Hours

Environment

Temp: -172 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 36,219,106 km

• M1: 115,041 km (0.066 R)
• M2: 1,594,564 km (0.113 R)
• M3: 2,337,168 km (0.111 R)
• M4: 2,982,682 km (0.091 R)
• M5: 3,468,427 km (0.107 R)
• M6: 6,624,343 km (0.111 R)
• M7: 7,641,310 km (0.063 R)
• M8: 7,989,274 km (0.108 R)
• M9: 8,592,902 km (0.094 R)
• M10: 10,492,645 km (0.067 R)
• M11: 11,717,403 km (0.074 R)
• M12: 14,802,859 km (0.075 R)
• M13: 17,712,089 km (0.073 R)
• M14: 19,300,818 km (0.106 R)
• M15: 21,057,546 km (0.095 R)
• M16: 22,208,103 km (0.085 R)
• M17: 25,738,314 km (0.116 R)
• M18: 26,698,134 km (0.099 R)
• M19: 28,045,113 km (0.114 R)
• M20: 29,720,759 km (0.092 R)
• M21: 32,458,250 km (0.109 R)

Kuiper Belt

Range: 31.4 - 61.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 173 - 17,777 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit