🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.36

Radius: 0.66

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 0.53 AU - 0.63 AU

Year: 168 Days

Day: 29.7 Hours

Environment

Temp: 158 °C

Axial Tilt: 1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.88 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.17

Radius: 1.06

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 0.84 AU - 0.92 AU

Year: 314 Days

Day: 33.3 Hours

Environment

Temp: 18 °C

Axial Tilt: 6.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 42,997,248 km

• M1: 399,277 km (0.083 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.01 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.08

Radius: 1.03

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 0.95 AU - 1.07 AU

Year: 387 Days

Day: 41.4 Hours

Environment

Temp: 2 °C

Axial Tilt: 96.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Asteroid Belt

Center: 1.36 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Terrestrial

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.09

Radius: 1.04

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 1.43 AU - 1.99 AU

Year: 852 Days

Day: 13.4 Hours

Environment

Temp: -64 °C

Axial Tilt: 6.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.22

Radius: 1.6

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 2.15 AU - 2.25 AU

Year: 1243 Days

Day: 15.3 Hours

Environment

Temp: -87 °C

Axial Tilt: 2.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 8.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 257.8

Radius: 10.1

Gravity: 2.53 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 7.04 AU - 9.86 AU

Year: 9354 Days

Day: 13.6 Hours

Environment

Temp: -171 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 42,997,248 km

• M1: 127,009 km (0.109 R)
• M2: 746,194 km (0.105 R)
• M3: 1,257,520 km (0.055 R)
• M4: 1,782,309 km (0.091 R)
• M5: 4,448,293 km (0.038 R)
• M6: 10,493,543 km (0.102 R)
• M7: 14,147,919 km (0.094 R)
• M8: 15,179,247 km (0.069 R)
• M9: 15,833,588 km (0.083 R)
• M10: 16,506,629 km (0.116 R)
• M11: 23,923,841 km (0.079 R)
• M12: 29,572,956 km (0.069 R)

Planet 7 - Ice Giant

Semi-Major Axis: 16.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 81.4

Radius: 5

Gravity: 3.26 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 13.01 AU - 19.23 AU

Year: 24646 Days

Day: 17.9 Hours

Environment

Temp: -196 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 42,997,248 km

• M1: 62,233 km (0.105 R)
• M2: 296,204 km (0.117 R)
• M3: 782,546 km (0.092 R)
• M4: 1,391,410 km (0.065 R)
• M5: 2,308,295 km (0.116 R)
• M6: 3,499,693 km (0.096 R)
• M7: 3,719,601 km (0.096 R)
• M8: 4,780,849 km (0.058 R)
• M9: 5,995,284 km (0.098 R)
• M10: 8,790,820 km (0.108 R)
• M11: 11,853,238 km (0.083 R)
• M12: 13,922,924 km (0.092 R)
• M13: 16,221,496 km (0.105 R)
• M14: 17,460,465 km (0.112 R)
• M15: 18,835,419 km (0.12 R)
• M16: 23,304,805 km (0.085 R)
• M17: 24,346,605 km (0.119 R)
• M18: 24,789,863 km (0.056 R)
• M19: 30,025,041 km (0.114 R)
• M20: 42,997,270 km (0.103 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 273 - 16,952 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit