🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.5

Radius: 1.83

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 0.73 AU - 0.77 AU

Year: 245 Days

Day: 28.3 Hours

Environment

Temp: 146 °C

Axial Tilt: 39.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.17 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.25

Radius: 0.57

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.92 AU - 1.42 AU

Year: 477 Days

Day: 38.5 Hours

Environment

Temp: 10 °C

Axial Tilt: 152.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 47,851,514 km

• M1: 70,909 km (0.042 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.08 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 5

Radius: 1.9

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 1.77 AU - 2.39 AU

Year: 1130 Days

Day: 43 Hours

Environment

Temp: -77 °C

Axial Tilt: 35.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.1 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.08

Radius: 1.03

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 2.97 AU - 3.23 AU

Year: 2056 Days

Day: 33.2 Hours

Environment

Temp: -103 °C

Axial Tilt: 2.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.73

Radius: 1.25

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 2.92 AU - 4.42 AU

Year: 2649 Days

Day: 20.3 Hours

Environment

Temp: -121 °C

Axial Tilt: 7.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.07 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 4.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 357.6

Radius: 13.6

Gravity: 1.93 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 3.78 AU - 5.14 AU

Year: 3548 Days

Day: 12.6 Hours

Environment

Temp: -130 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 47,851,514 km

• M1: 170,990 km (0.113 R)
• M2: 697,276 km (0.106 R)
• M3: 1,188,405 km (0.069 R)
• M4: 3,089,046 km (0.079 R)
• M5: 3,720,200 km (0.093 R)
• M6: 4,941,068 km (0.119 R)
• M7: 5,410,805 km (0.066 R)
• M8: 8,034,303 km (0.07 R)
• M9: 9,164,216 km (0.101 R)
• M10: 11,656,516 km (0.112 R)
• M11: 12,752,620 km (0.06 R)
• M12: 13,778,413 km (0.064 R)

Planet 7 - Gas Giant

Semi-Major Axis: 10.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 420.8

Radius: 14.6

Gravity: 1.97 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 8.72 AU - 12.18 AU

Year: 12726 Days

Day: 14.3 Hours

Environment

Temp: -175 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 47,851,514 km

• M1: 181,612 km (0.064 R)
• M2: 724,502 km (0.097 R)
• M3: 1,216,829 km (0.105 R)
• M4: 1,729,052 km (0.088 R)
• M5: 2,260,723 km (0.047 R)
• M6: 2,715,650 km (0.111 R)
• M7: 3,419,209 km (0.119 R)
• M8: 4,105,414 km (0.063 R)
• M9: 5,858,851 km (0.104 R)
• M10: 6,807,302 km (0.101 R)
• M11: 7,940,805 km (0.052 R)
• M12: 8,825,227 km (0.093 R)
• M13: 9,291,374 km (0.099 R)
• M14: 10,273,783 km (0.051 R)
• M15: 11,433,017 km (0.12 R)
• M16: 17,171,143 km (0.108 R)
• M17: 20,051,949 km (0.088 R)
• M18: 21,607,019 km (0.076 R)
• M19: 23,684,784 km (0.105 R)
• M20: 24,956,515 km (0.105 R)
• M21: 26,177,832 km (0.051 R)
• M22: 27,934,261 km (0.083 R)
• M23: 33,112,292 km (0.038 R)
• M24: 41,831,903 km (0.051 R)
• M25: 45,461,447 km (0.12 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: 344 - 11,826 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit