🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.67

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.43 AU - 0.67 AU

Year: 150 Days

Day: 27.5 Hours

Environment

Temp: 187 °C

Axial Tilt: 2.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 53,751,405 km

• M1: 132,993 km (0.083 R)
• M2: 470,037 km (0.116 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.94 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.37

Radius: 1.13

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 0.87 AU - 1.01 AU

Year: 335 Days

Day: 32.9 Hours

Environment

Temp: 24 °C

Axial Tilt: 3.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1

Radius: 1

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 2.31 AU - 3.43 AU

Year: 1785 Days

Day: 45.6 Hours

Environment

Temp: -100 °C

Axial Tilt: 21 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 5.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 385.5

Radius: 12.1

Gravity: 2.63 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 4.51 AU - 6.91 AU

Year: 5009 Days

Day: 5 Hours

Environment

Temp: -154 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 53,751,405 km

• M1: 150,495 km (0.091 R)
• M2: 576,550 km (0.113 R)
• M3: 994,227 km (0.098 R)
• M4: 1,644,829 km (0.094 R)
• M5: 2,998,241 km (0.098 R)
• M6: 4,056,945 km (0.106 R)
• M7: 4,648,754 km (0.073 R)
• M8: 5,977,632 km (0.111 R)
• M9: 6,623,446 km (0.074 R)
• M10: 7,882,461 km (0.03 R)
• M11: 9,142,823 km (0.04 R)
• M12: 9,722,366 km (0.111 R)
• M13: 12,059,832 km (0.054 R)
• M14: 12,852,551 km (0.093 R)
• M15: 15,711,068 km (0.118 R)
• M16: 18,296,268 km (0.061 R)
• M17: 21,086,717 km (0.043 R)

Planet 5 - Gas Giant

Semi-Major Axis: 9.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 865.8

Radius: 11.8

Gravity: 6.22 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 8.67 AU - 10.11 AU

Year: 10563 Days

Day: 12.3 Hours

Environment

Temp: -165 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 53,751,405 km

• M1: 146,756 km (0.104 R)
• M2: 562,787 km (0.097 R)
• M3: 2,073,127 km (0.039 R)
• M4: 5,196,132 km (0.095 R)
• M5: 6,001,268 km (0.097 R)
• M6: 7,091,388 km (0.102 R)
• M7: 8,082,175 km (0.101 R)
• M8: 8,824,180 km (0.03 R)
• M9: 9,712,642 km (0.079 R)
• M10: 10,768,803 km (0.115 R)
• M11: 13,872,061 km (0.102 R)
• M12: 14,732,398 km (0.117 R)
• M13: 16,413,878 km (0.119 R)
• M14: 17,225,896 km (0.108 R)
• M15: 17,987,050 km (0.065 R)
• M16: 19,494,996 km (0.045 R)
• M17: 20,321,824 km (0.059 R)
• M18: 21,344,475 km (0.074 R)
• M19: 21,868,666 km (0.11 R)
• M20: 23,033,734 km (0.118 R)
• M21: 23,957,650 km (0.109 R)
• M22: 24,714,466 km (0.118 R)
• M23: 25,487,288 km (0.095 R)
• M24: 26,077,302 km (0.1 R)
• M25: 32,032,046 km (0.106 R)
• M26: 33,533,709 km (0.084 R)
• M27: 34,600,342 km (0.076 R)
• M28: 36,057,724 km (0.064 R)
• M29: 36,552,445 km (0.059 R)
• M30: 40,408,629 km (0.041 R)
• M31: 48,467,466 km (0.116 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 290 - 17,909 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit