🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.45

Radius: 0.73

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 0.43 AU - 0.61 AU

Year: 136 Days

Day: 26.4 Hours

Environment

Temp: 232 °C

Axial Tilt: 30 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 31,747,292 km

• M1: 17,054 km (0.082 R)
• M2: 149,747 km (0.054 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.08 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.29

Radius: 1.61

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 1.02 AU - 1.14 AU

Year: 406 Days

Day: 28.4 Hours

Environment

Temp: 14 °C

Axial Tilt: 36.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.35 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.38

Radius: 1.14

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 1.05 AU - 1.65 AU

Year: 567 Days

Day: 32.3 Hours

Environment

Temp: -1 °C

Axial Tilt: 45.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.86

Radius: 1.28

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 1.43 AU - 1.97 AU

Year: 802 Days

Day: 38.6 Hours

Environment

Temp: -36 °C

Axial Tilt: 23 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 31,747,292 km

• M1: 1,083,388 km (0.049 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.09 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.62

Radius: 1.67

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 3.04 AU - 3.14 AU

Year: 1964 Days

Day: 36.7 Hours

Environment

Temp: -101 °C

Axial Tilt: 38.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 31,747,292 km

• M1: 39,494 km (0.115 R)

Asteroid Belt

Center: 3.99 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Terrestrial

Semi-Major Axis: 4.88 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.05

Radius: 1.56

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 4.85 AU - 4.91 AU

Year: 3899 Days

Day: 43.8 Hours

Environment

Temp: -137 °C

Axial Tilt: 9.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Gas Giant

Semi-Major Axis: 5.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 441.2

Radius: 14.8

Gravity: 2.01 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 5.15 AU - 5.37 AU

Year: 4363 Days

Day: 14.8 Hours

Environment

Temp: -148 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 31,747,292 km

• M1: 205,547 km (0.071 R)
• M2: 680,820 km (0.084 R)
• M3: 1,480,570 km (0.093 R)
• M4: 2,252,196 km (0.065 R)
• M5: 3,411,430 km (0.054 R)
• M6: 4,245,139 km (0.088 R)
• M7: 4,770,377 km (0.06 R)
• M8: 5,897,447 km (0.105 R)
• M9: 6,976,945 km (0.101 R)
• M10: 7,548,110 km (0.085 R)
• M11: 8,115,984 km (0.091 R)
• M12: 9,225,401 km (0.095 R)
• M13: 10,232,046 km (0.086 R)
• M14: 11,922,202 km (0.116 R)
• M15: 13,451,541 km (0.113 R)
• M16: 14,439,934 km (0.098 R)
• M17: 17,180,119 km (0.104 R)
• M18: 20,505,979 km (0.11 R)
• M19: 21,023,288 km (0.104 R)

Planet 8 - Gas Giant

Semi-Major Axis: 6.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 396

Radius: 12.5

Gravity: 2.53 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 6.68 AU - 7.3 AU

Year: 6684 Days

Day: 5.8 Hours

Environment

Temp: -166 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 31,747,292 km

• M1: 155,432 km (0.032 R)
• M2: 549,623 km (0.095 R)
• M3: 1,769,743 km (0.1 R)
• M4: 2,325,948 km (0.073 R)
• M5: 2,795,685 km (0.042 R)
• M6: 4,255,311 km (0.102 R)
• M7: 4,858,191 km (0.054 R)
• M8: 5,691,152 km (0.043 R)
• M9: 6,747,911 km (0.08 R)
• M10: 7,219,444 km (0.115 R)
• M11: 8,041,933 km (0.114 R)
• M12: 10,527,202 km (0.098 R)
• M13: 17,771,928 km (0.117 R)
• M14: 20,015,447 km (0.092 R)
• M15: 21,348,514 km (0.114 R)
• M16: 22,739,774 km (0.102 R)
• M17: 24,978,506 km (0.045 R)
• M18: 26,855,810 km (0.05 R)
• M19: 28,129,785 km (0.069 R)
• M20: 29,800,793 km (0.112 R)

Planet 9 - Gas Giant

Semi-Major Axis: 7.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 360.7

Radius: 14.3

Gravity: 1.76 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 6.73 AU - 8.27 AU

Year: 7428 Days

Day: 9.8 Hours

Environment

Temp: -154 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 31,747,292 km

• M1: 274,063 km (0.089 R)
• M2: 806,183 km (0.054 R)
• M3: 1,396,945 km (0.115 R)
• M4: 2,183,231 km (0.071 R)
• M5: 3,035,490 km (0.085 R)
• M6: 3,539,934 km (0.077 R)
• M7: 4,316,497 km (0.082 R)
• M8: 12,661,814 km (0.047 R)
• M9: 14,200,877 km (0.107 R)
• M10: 16,893,040 km (0.115 R)
• M11: 19,840,418 km (0.118 R)
• M12: 21,618,239 km (0.117 R)
• M13: 23,115,414 km (0.112 R)
• M14: 28,812,550 km (0.073 R)

Kuiper Belt

Range: 30.3 - 48.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 289 - 16,446 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit