🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.98

Radius: 0.99

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 0.38 AU - 0.64 AU

Year: 139 Days

Day: 18.7 Hours

Environment

Temp: 168 °C

Axial Tilt: 12.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.44

Radius: 1.64

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 0.56 AU - 0.68 AU

Year: 186 Days

Day: 37.7 Hours

Environment

Temp: 161 °C

Axial Tilt: 26.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.5

Radius: 0.76

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 0.66 AU - 0.84 AU

Year: 247 Days

Day: 21.3 Hours

Environment

Temp: 97 °C

Axial Tilt: 23 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 44,805,173 km

• M1: 19,298 km (0.085 R)
• M2: 293,661 km (0.11 R)

Planet 4 - Terrestrial

Semi-Major Axis: 0.9 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.4

Radius: 1.63

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 0.69 AU - 1.11 AU

Year: 325 Days

Day: 46.3 Hours

Environment

Temp: 37 °C

Axial Tilt: 14.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 3.96 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.18

Radius: 1.37

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 3.57 AU - 4.35 AU

Year: 3001 Days

Day: 14.6 Hours

Environment

Temp: -142 °C

Axial Tilt: 13.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.46 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 4.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 108.6

Radius: 10.8

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 4.65 AU - 5.27 AU

Year: 4206 Days

Day: 12.7 Hours

Environment

Temp: -137 °C

Axial Tilt: 49.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 44,805,173 km

• M1: 134,339 km (0.087 R)
• M2: 512,373 km (0.098 R)
• M3: 1,273,676 km (0.119 R)
• M4: 1,801,009 km (0.095 R)
• M5: 2,151,666 km (0.073 R)
• M6: 3,393,628 km (0.116 R)
• M7: 4,936,879 km (0.119 R)
• M8: 6,955,852 km (0.041 R)
• M9: 13,426,858 km (0.056 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 174

Radius: 7.8

Gravity: 2.86 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 12.34 AU - 13.74 AU

Year: 17931 Days

Day: 23.3 Hours

Environment

Temp: -193 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 44,805,173 km

• M1: 168,597 km (0.109 R)
• M2: 1,268,291 km (0.081 R)
• M3: 1,689,110 km (0.113 R)
• M4: 4,225,541 km (0.117 R)
• M5: 6,132,914 km (0.117 R)
• M6: 6,943,136 km (0.104 R)
• M7: 7,374,277 km (0.095 R)
• M8: 7,698,755 km (0.083 R)
• M9: 11,762,133 km (0.097 R)
• M10: 19,033,786 km (0.109 R)
• M11: 24,928,540 km (0.106 R)
• M12: 37,468,432 km (0.071 R)
• M13: 40,023,863 km (0.068 R)
• M14: 40,398,157 km (0.068 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 176 - 17,944 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit