🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.86 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.36

Radius: 1.41

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 0.7 AU - 1.02 AU

Year: 282 Days

Day: 22.6 Hours

Environment

Temp: 158 °C

Axial Tilt: 13.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 42,432,643 km

• M1: 44,281 km (0.083 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.89 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.12

Radius: 1.05

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 0.75 AU - 1.03 AU

Year: 296 Days

Day: 35.8 Hours

Environment

Temp: 102 °C

Axial Tilt: 28.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 42,432,643 km

• M1: 24,534 km (0.097 R)
• M2: 219,610 km (0.109 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.16 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.23

Radius: 0.56

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 1.11 AU - 1.21 AU

Year: 441 Days

Day: 13.9 Hours

Environment

Temp: 28 °C

Axial Tilt: 152.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.23 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.12

Radius: 1.35

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.95 AU - 1.51 AU

Year: 482 Days

Day: 12.3 Hours

Environment

Temp: 23 °C

Axial Tilt: 16.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 1.39 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.35

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 1.29 AU - 1.49 AU

Year: 579 Days

Day: 25.7 Hours

Environment

Temp: -7 °C

Axial Tilt: 47.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 6 - Terrestrial

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.93

Radius: 1.3

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 1.32 AU - 1.98 AU

Year: 748 Days

Day: 35.8 Hours

Environment

Temp: -26 °C

Axial Tilt: 6.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 3.88 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.2

Radius: 1.59

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 3.23 AU - 4.53 AU

Year: 2699 Days

Day: 32.8 Hours

Environment

Temp: -114 °C

Axial Tilt: 3.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.24 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 8.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 191.7

Radius: 8.7

Gravity: 2.53 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 6.74 AU - 10.46 AU

Year: 8905 Days

Day: 13.5 Hours

Environment

Temp: -169 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 42,432,643 km

• M1: 110,254 km (0.109 R)
• M2: 850,464 km (0.077 R)
• M3: 1,166,265 km (0.093 R)
• M4: 1,584,541 km (0.118 R)
• M5: 2,204,624 km (0.098 R)
• M6: 3,765,827 km (0.119 R)
• M7: 5,322,991 km (0.025 R)
• M8: 8,803,984 km (0.064 R)
• M9: 12,305,622 km (0.059 R)
• M10: 15,702,241 km (0.092 R)
• M11: 17,001,050 km (0.105 R)
• M12: 21,538,653 km (0.091 R)
• M13: 25,290,567 km (0.069 R)

Planet 9 - Ice Giant

Semi-Major Axis: 17.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 54

Radius: 4.9

Gravity: 2.25 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 16.77 AU - 17.85 AU

Year: 25430 Days

Day: 24.3 Hours

Environment

Temp: -185 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 42,432,643 km

• M1: 61,186 km (0.116 R)
• M2: 400,025 km (0.082 R)
• M3: 2,734,499 km (0.077 R)
• M4: 3,757,899 km (0.089 R)
• M5: 5,374,603 km (0.093 R)
• M6: 7,714,613 km (0.052 R)
• M7: 8,032,957 km (0.108 R)
• M8: 10,224,266 km (0.118 R)
• M9: 12,674,530 km (0.043 R)
• M10: 15,932,622 km (0.112 R)
• M11: 16,776,803 km (0.071 R)
• M12: 18,483,715 km (0.079 R)
• M13: 21,294,359 km (0.113 R)
• M14: 28,965,140 km (0.077 R)
• M15: 30,024,891 km (0.029 R)

Planet 10 - Ice Giant

Semi-Major Axis: 18.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 60.1

Radius: 3.5

Gravity: 4.91 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 17.16 AU - 19.86 AU

Year: 28120 Days

Day: 19.6 Hours

Environment

Temp: -189 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 42,432,643 km

• M1: 43,533 km (0.059 R)
• M2: 170,093 km (0.102 R)
• M3: 343,626 km (0.045 R)
• M4: 513,569 km (0.092 R)
• M5: 1,066,633 km (0.104 R)
• M6: 1,188,106 km (0.103 R)
• M7: 1,876,556 km (0.105 R)
• M8: 2,406,431 km (0.072 R)
• M9: 5,535,271 km (0.074 R)
• M10: 6,792,791 km (0.11 R)
• M11: 7,729,572 km (0.108 R)
• M12: 7,893,681 km (0.11 R)
• M13: 8,356,986 km (0.113 R)
• M14: 8,882,822 km (0.098 R)
• M15: 9,245,448 km (0.091 R)
• M16: 12,285,725 km (0.058 R)
• M17: 13,787,837 km (0.103 R)
• M18: 14,396,850 km (0.096 R)
• M19: 14,770,695 km (0.092 R)
• M20: 16,669,541 km (0.09 R)
• M21: 23,501,077 km (0.088 R)
• M22: 27,288,596 km (0.118 R)
• M23: 31,671,814 km (0.061 R)
• M24: 37,196,164 km (0.038 R)

Kuiper Belt

Range: 31.1 - 57.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 539 - 13,748 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit