🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.97

Radius: 1.31

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 0.56 AU - 0.84 AU

Year: 216 Days

Day: 31.3 Hours

Environment

Temp: 180 °C

Axial Tilt: 15.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.99

Radius: 1.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 0.56 AU - 0.94 AU

Year: 240 Days

Day: 45.2 Hours

Environment

Temp: 164 °C

Axial Tilt: 12.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.91 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.37

Radius: 1.8

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 0.89 AU - 0.93 AU

Year: 320 Days

Day: 19.5 Hours

Environment

Temp: 88 °C

Axial Tilt: 11.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 73,455,955 km

• M1: 162,164 km (0.052 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.09 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.83

Radius: 0.93

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 1.03 AU - 1.15 AU

Year: 420 Days

Day: 13.2 Hours

Environment

Temp: 25 °C

Axial Tilt: 18.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 73,455,955 km

• M1: 57,296 km (0.097 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.74

Radius: 1.69

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 1.82 AU - 1.96 AU

Year: 959 Days

Day: 18.8 Hours

Environment

Temp: -70 °C

Axial Tilt: 7.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.15

Radius: 1.36

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 2.18 AU - 2.18 AU

Year: 1188 Days

Day: 43.2 Hours

Environment

Temp: -68 °C

Axial Tilt: 19.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 73,455,955 km

• M1: 336,595 km (0.09 R)

Planet 7 - Terrestrial

Semi-Major Axis: 4.32 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.53

Radius: 1.83

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 3.41 AU - 5.23 AU

Year: 3313 Days

Day: 21.9 Hours

Environment

Temp: -125 °C

Axial Tilt: 18.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.27 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 6.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 303.2

Radius: 12.3

Gravity: 2 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 5.58 AU - 6.84 AU

Year: 5710 Days

Day: 13.7 Hours

Environment

Temp: -159 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 73,455,955 km

• M1: 153,039 km (0.074 R)
• M2: 707,448 km (0.117 R)
• M3: 1,428,959 km (0.06 R)
• M4: 2,252,645 km (0.085 R)
• M5: 3,039,230 km (0.09 R)
• M6: 3,894,332 km (0.079 R)
• M7: 4,659,974 km (0.074 R)
• M8: 5,937,240 km (0.119 R)
• M9: 7,078,971 km (0.085 R)
• M10: 8,433,430 km (0.094 R)
• M11: 9,286,886 km (0.104 R)
• M12: 11,561,073 km (0.076 R)
• M13: 12,614,092 km (0.102 R)
• M14: 17,356,644 km (0.112 R)
• M15: 17,947,705 km (0.034 R)
• M16: 18,369,571 km (0.097 R)
• M17: 19,930,176 km (0.116 R)
• M18: 24,399,263 km (0.084 R)
• M19: 24,917,171 km (0.107 R)

Planet 9 - Ice Giant

Semi-Major Axis: 14.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 551.9

Radius: 6.5

Gravity: 13.06 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 14.37 AU - 15.35 AU

Year: 21135 Days

Day: 16.5 Hours

Environment

Temp: -197 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 73,455,955 km

• M1: 85,121 km (0.111 R)
• M2: 333,454 km (0.04 R)
• M3: 560,693 km (0.04 R)
• M4: 962,064 km (0.098 R)
• M5: 1,186,610 km (0.071 R)
• M6: 1,477,429 km (0.082 R)
• M7: 2,245,614 km (0.062 R)
• M8: 2,599,712 km (0.092 R)
• M9: 3,308,357 km (0.111 R)
• M10: 3,561,626 km (0.08 R)
• M11: 7,601,965 km (0.087 R)
• M12: 9,034,365 km (0.119 R)
• M13: 11,763,629 km (0.066 R)
• M14: 14,030,186 km (0.101 R)
• M15: 14,249,646 km (0.11 R)
• M16: 14,921,789 km (0.093 R)
• M17: 17,399,429 km (0.083 R)
• M18: 18,167,165 km (0.114 R)
• M19: 20,984,692 km (0.089 R)
• M20: 24,290,206 km (0.067 R)
• M21: 32,037,132 km (0.1 R)
• M22: 33,840,684 km (0.074 R)
• M23: 35,035,223 km (0.102 R)
• M24: 36,948,879 km (0.057 R)
• M25: 37,789,918 km (0.071 R)
• M26: 46,588,966 km (0.108 R)
• M27: 53,571,297 km (0.088 R)
• M28: 55,739,568 km (0.105 R)
• M29: 59,865,478 km (0.104 R)
• M30: 66,428,934 km (0.062 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 392 - 13,455 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit