🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.9

Radius: 1.53

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 0.53 AU - 0.57 AU

Year: 145 Days

Day: 30.6 Hours

Environment

Temp: 217 °C

Axial Tilt: 18.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 73,289,198 km

• M1: 36,203 km (0.077 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.19

Radius: 0.51

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 0.52 AU - 0.7 AU

Year: 169 Days

Day: 26.9 Hours

Environment

Temp: 159 °C

Axial Tilt: 13.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.12 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.4

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 1.05 AU - 1.19 AU

Year: 420 Days

Day: 22.8 Hours

Environment

Temp: 36 °C

Axial Tilt: 27.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.46 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.96

Radius: 1.9

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 1.33 AU - 1.59 AU

Year: 626 Days

Day: 12.5 Hours

Environment

Temp: -15 °C

Axial Tilt: 22.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 73,289,198 km

• M1: 151,543 km (0.116 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.51 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.52

Radius: 1.45

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 1.48 AU - 1.54 AU

Year: 658 Days

Day: 28.3 Hours

Environment

Temp: -6 °C

Axial Tilt: 46.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 6 - Terrestrial

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.31

Radius: 1.11

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 1.53 AU - 2.11 AU

Year: 871 Days

Day: 45.2 Hours

Environment

Temp: -49 °C

Axial Tilt: 19.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 3.25 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.22

Radius: 1.08

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 2.94 AU - 3.56 AU

Year: 2079 Days

Day: 28.4 Hours

Environment

Temp: -105 °C

Axial Tilt: 0.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Terrestrial

Semi-Major Axis: 5.13 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.88

Radius: 0.95

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 4.05 AU - 6.21 AU

Year: 4122 Days

Day: 33.3 Hours

Environment

Temp: -131 °C

Axial Tilt: 27.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.53 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Gas Giant

Semi-Major Axis: 5.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 589

Radius: 8.6

Gravity: 7.96 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 4.89 AU - 6.97 AU

Year: 5123 Days

Day: 7.8 Hours

Environment

Temp: -135 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 73,289,198 km

• M1: 106,962 km (0.064 R)
• M2: 433,684 km (0.114 R)
• M3: 794,365 km (0.081 R)
• M4: 2,170,067 km (0.116 R)
• M5: 3,030,404 km (0.065 R)
• M6: 3,851,547 km (0.117 R)
• M7: 5,750,692 km (0.09 R)
• M8: 6,674,159 km (0.068 R)
• M9: 7,411,827 km (0.107 R)
• M10: 8,054,948 km (0.114 R)
• M11: 8,428,045 km (0.094 R)
• M12: 9,493,331 km (0.071 R)
• M13: 9,825,588 km (0.104 R)
• M14: 10,251,792 km (0.119 R)
• M15: 11,651,879 km (0.042 R)
• M16: 12,373,090 km (0.116 R)
• M17: 13,226,247 km (0.094 R)
• M18: 14,118,149 km (0.074 R)
• M19: 14,826,795 km (0.057 R)
• M20: 15,558,777 km (0.088 R)
• M21: 19,187,273 km (0.077 R)
• M22: 19,921,051 km (0.077 R)
• M23: 22,234,732 km (0.094 R)
• M24: 23,949,572 km (0.036 R)
• M25: 24,644,005 km (0.113 R)
• M26: 25,272,466 km (0.12 R)

Planet 10 - Ice Giant

Semi-Major Axis: 18.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 294.2

Radius: 7.8

Gravity: 4.84 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 16.74 AU - 20.8 AU

Year: 28849 Days

Day: 20 Hours

Environment

Temp: -190 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 73,289,198 km

• M1: 97,239 km (0.105 R)
• M2: 450,290 km (0.058 R)
• M3: 1,134,251 km (0.079 R)
• M4: 2,133,116 km (0.098 R)
• M5: 2,406,581 km (0.068 R)
• M6: 2,656,260 km (0.103 R)
• M7: 4,405,358 km (0.104 R)
• M8: 5,366,225 km (0.098 R)
• M9: 5,916,297 km (0.069 R)
• M10: 7,647,593 km (0.078 R)
• M11: 7,891,736 km (0.097 R)
• M12: 8,191,531 km (0.099 R)
• M13: 10,748,757 km (0.118 R)
• M14: 13,794,868 km (0.111 R)
• M15: 14,976,841 km (0.095 R)
• M16: 15,670,527 km (0.111 R)
• M17: 17,966,255 km (0.116 R)
• M18: 18,224,761 km (0.062 R)
• M19: 19,554,985 km (0.103 R)
• M20: 37,431,033 km (0.112 R)
• M21: 40,305,406 km (0.081 R)
• M22: 51,002,701 km (0.054 R)
• M23: 57,463,384 km (0.119 R)
• M24: 61,864,554 km (0.069 R)

Kuiper Belt

Range: 30.9 - 47.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 364 - 15,028 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit