🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.84 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.6

Radius: 0.82

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 1.34 AU - 2 AU

Year: 762 Days

Day: 33.9 Hours

Environment

Temp: -35 °C

Axial Tilt: 1.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.92

Radius: 1.89

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 1.89 AU - 1.91 AU

Year: 925 Days

Day: 37.6 Hours

Environment

Temp: -54 °C

Axial Tilt: 35.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.23

Radius: 1.09

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 2.02 AU - 3.04 AU

Year: 1421 Days

Day: 47.7 Hours

Environment

Temp: -74 °C

Axial Tilt: 36.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.49 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 6.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 138.8

Radius: 9.5

Gravity: 1.54 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 6.18 AU - 6.72 AU

Year: 5784 Days

Day: 5.5 Hours

Environment

Temp: -144 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 36,178,712 km

• M1: 141,220 km (0.071 R)
• M2: 440,267 km (0.053 R)
• M3: 881,730 km (0.088 R)
• M4: 1,252,882 km (0.091 R)
• M5: 1,641,238 km (0.058 R)
• M6: 2,033,783 km (0.115 R)
• M7: 2,897,262 km (0.118 R)
• M8: 3,640,614 km (0.106 R)
• M9: 4,398,776 km (0.109 R)
• M10: 4,975,625 km (0.074 R)
• M11: 5,577,158 km (0.112 R)
• M12: 6,226,413 km (0.055 R)
• M13: 6,954,207 km (0.114 R)
• M14: 10,289,940 km (0.075 R)
• M15: 11,266,066 km (0.118 R)
• M16: 11,839,026 km (0.108 R)
• M17: 12,910,446 km (0.103 R)
• M18: 13,311,667 km (0.042 R)
• M19: 16,668,793 km (0.104 R)
• M20: 17,091,407 km (0.103 R)
• M21: 17,958,028 km (0.09 R)

Planet 5 - Gas Giant

Semi-Major Axis: 9.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 293.7

Radius: 8

Gravity: 4.59 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 8.39 AU - 10.21 AU

Year: 10014 Days

Day: 5.9 Hours

Environment

Temp: -167 °C

Axial Tilt: 46.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 36,178,712 km

• M1: 99,483 km (0.115 R)
• M2: 561,740 km (0.048 R)
• M3: 1,113,158 km (0.109 R)
• M4: 1,384,379 km (0.119 R)
• M5: 1,659,639 km (0.103 R)
• M6: 2,094,969 km (0.047 R)
• M7: 2,531,944 km (0.103 R)
• M8: 2,968,022 km (0.105 R)
• M9: 3,750,568 km (0.11 R)
• M10: 4,015,207 km (0.072 R)
• M11: 5,686,514 km (0.118 R)
• M12: 6,300,763 km (0.034 R)
• M13: 8,208,435 km (0.109 R)
• M14: 8,615,192 km (0.097 R)
• M15: 9,250,534 km (0.073 R)
• M16: 12,527,774 km (0.064 R)
• M17: 13,454,085 km (0.105 R)
• M18: 14,366,931 km (0.05 R)
• M19: 15,812,645 km (0.035 R)
• M20: 17,220,959 km (0.088 R)
• M21: 19,202,532 km (0.093 R)
• M22: 21,407,455 km (0.11 R)
• M23: 22,178,483 km (0.094 R)
• M24: 22,729,152 km (0.032 R)
• M25: 26,313,667 km (0.118 R)
• M26: 32,723,487 km (0.052 R)
• M27: 33,129,944 km (0.054 R)
• M28: 34,684,566 km (0.064 R)

Kuiper Belt

Range: 31.1 - 59.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 207 - 16,624 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit