🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.75

Radius: 1.5

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 0.52 AU - 0.6 AU

Year: 147 Days

Day: 36.2 Hours

Environment

Temp: 219 °C

Axial Tilt: 6.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.1 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.19

Radius: 1.07

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 0.85 AU - 1.35 AU

Year: 404 Days

Day: 16.9 Hours

Environment

Temp: 137 °C

Axial Tilt: 6.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.38 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.5

Radius: 1.83

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 1.12 AU - 1.64 AU

Year: 567 Days

Day: 29.7 Hours

Environment

Temp: 18 °C

Axial Tilt: 27.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 87,815,364 km

• M1: 1,235,080 km (0.036 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.83 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.5

Radius: 1.65

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 2.33 AU - 3.33 AU

Year: 1666 Days

Day: 46.1 Hours

Environment

Temp: -93 °C

Axial Tilt: 35.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.09 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.36

Radius: 1.62

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 2.72 AU - 3.46 AU

Year: 1900 Days

Day: 23.2 Hours

Environment

Temp: -90 °C

Axial Tilt: 27.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 87,815,364 km

• M1: 284,535 km (0.092 R)
• M2: 2,430,217 km (0.115 R)

Planet 6 - Terrestrial

Semi-Major Axis: 3.84 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.14

Radius: 1.05

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 3.65 AU - 4.03 AU

Year: 2633 Days

Day: 44 Hours

Environment

Temp: -111 °C

Axial Tilt: 33.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 5.33 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.05

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 5.24 AU - 5.42 AU

Year: 4305 Days

Day: 13.7 Hours

Environment

Temp: -141 °C

Axial Tilt: 1.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 87,815,364 km

• M1: 3,970,028 km (0.117 R)

Planet 8 - Ice Giant

Semi-Major Axis: 20.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 403

Radius: 4.5

Gravity: 19.9 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 20.26 AU - 20.62 AU

Year: 32329 Days

Day: 24.2 Hours

Environment

Temp: -197 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 87,815,364 km

• M1: 59,091 km (0.072 R)
• M2: 244,293 km (0.097 R)
• M3: 450,140 km (0.071 R)
• M4: 1,109,867 km (0.098 R)
• M5: 1,783,356 km (0.045 R)
• M6: 2,130,573 km (0.094 R)
• M7: 3,982,146 km (0.102 R)
• M8: 5,842,694 km (0.066 R)
• M9: 6,511,547 km (0.07 R)
• M10: 6,745,368 km (0.116 R)
• M11: 7,082,262 km (0.072 R)
• M12: 7,480,791 km (0.09 R)
• M13: 8,106,409 km (0.049 R)
• M14: 19,393,718 km (0.107 R)
• M15: 42,184,804 km (0.037 R)
• M16: 49,513,604 km (0.069 R)
• M17: 67,948,400 km (0.064 R)

Kuiper Belt

Range: 31.4 - 52.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 451 - 10,533 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit