🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.83 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.14

Radius: 1.36

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 0.78 AU - 0.88 AU

Year: 271 Days

Day: 18.7 Hours

Environment

Temp: 145 °C

Axial Tilt: 3.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.13

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 2.74 AU - 3 AU

Year: 1741 Days

Day: 26.4 Hours

Environment

Temp: -100 °C

Axial Tilt: 23.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 56,702,346 km

• M1: 68,815 km (0.118 R)
• M2: 1,606,532 km (0.044 R)

Planet 3 - Terrestrial

Semi-Major Axis: 3.72 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.59

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 3.43 AU - 4.01 AU

Year: 2570 Days

Day: 28.5 Hours

Environment

Temp: -104 °C

Axial Tilt: 24.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 56,702,346 km

• M1: 116,387 km (0.036 R)

Planet 4 - Gas Giant

Semi-Major Axis: 10.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 779.1

Radius: 8

Gravity: 12.17 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 9.17 AU - 11.69 AU

Year: 12064 Days

Day: 14.7 Hours

Environment

Temp: -171 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 56,702,346 km

• M1: 99,483 km (0.106 R)
• M2: 435,180 km (0.067 R)
• M3: 1,152,801 km (0.1 R)
• M4: 1,753,287 km (0.103 R)
• M5: 2,464,475 km (0.089 R)
• M6: 2,897,412 km (0.118 R)
• M7: 3,508,968 km (0.095 R)
• M8: 4,568,420 km (0.077 R)
• M9: 5,976,136 km (0.066 R)
• M10: 7,132,527 km (0.085 R)
• M11: 7,432,621 km (0.114 R)
• M12: 8,336,940 km (0.094 R)
• M13: 9,111,857 km (0.106 R)
• M14: 10,692,657 km (0.094 R)
• M15: 11,029,552 km (0.053 R)
• M16: 12,203,895 km (0.117 R)
• M17: 13,852,314 km (0.063 R)
• M18: 14,456,091 km (0.083 R)
• M19: 15,501,032 km (0.113 R)
• M20: 17,353,203 km (0.078 R)
• M21: 18,054,668 km (0.084 R)
• M22: 18,774,982 km (0.11 R)
• M23: 19,431,118 km (0.057 R)
• M24: 21,669,551 km (0.103 R)
• M25: 26,549,284 km (0.08 R)
• M26: 27,063,900 km (0.108 R)
• M27: 29,188,938 km (0.056 R)
• M28: 30,628,369 km (0.114 R)
• M29: 35,106,731 km (0.034 R)
• M30: 47,715,587 km (0.112 R)
• M31: 51,919,287 km (0.077 R)

Kuiper Belt

Range: 30.6 - 49.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 177 - 18,550 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit