🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.07

Radius: 1.75

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 0.55 AU - 0.55 AU

Year: 153 Days

Day: 43.5 Hours

Environment

Temp: 223 °C

Axial Tilt: 3.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 20,275,629 km

• M1: 42,037 km (0.068 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.45

Radius: 1.82

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 0.7 AU - 0.74 AU

Year: 229 Days

Day: 31.6 Hours

Environment

Temp: 138 °C

Axial Tilt: 25.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.74 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.4

Radius: 0.69

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 0.59 AU - 0.89 AU

Year: 239 Days

Day: 33.6 Hours

Environment

Temp: 182 °C

Axial Tilt: 18.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.04 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.42

Radius: 1.42

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 0.97 AU - 1.11 AU

Year: 397 Days

Day: 21.3 Hours

Environment

Temp: 23 °C

Axial Tilt: 10.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 20,275,629 km

• M1: 673,490 km (0.08 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.2 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1

Radius: 1

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 1.12 AU - 1.28 AU

Year: 493 Days

Day: 29.7 Hours

Environment

Temp: 7 °C

Axial Tilt: 35.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 20,275,629 km

• M1: 50,564 km (0.066 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.52

Radius: 1.83

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 1.52 AU - 2.52 AU

Year: 1076 Days

Day: 39.6 Hours

Environment

Temp: -78 °C

Axial Tilt: 33.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 3.23 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.04

Radius: 1.02

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 2.53 AU - 3.93 AU

Year: 2175 Days

Day: 34.5 Hours

Environment

Temp: -108 °C

Axial Tilt: 15.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 20,275,629 km

• M1: 54,154 km (0.104 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 379.3

Radius: 14

Gravity: 1.94 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 3.72 AU - 5.48 AU

Year: 3697 Days

Day: 14.2 Hours

Environment

Temp: -137 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 20,275,629 km

• M1: 174,132 km (0.113 R)
• M2: 629,657 km (0.081 R)
• M3: 1,065,885 km (0.061 R)
• M4: 1,728,155 km (0.107 R)
• M5: 2,247,858 km (0.043 R)
• M6: 2,887,987 km (0.058 R)
• M7: 3,464,088 km (0.09 R)
• M8: 3,995,610 km (0.092 R)
• M9: 4,759,307 km (0.042 R)
• M10: 5,874,708 km (0.065 R)
• M11: 7,993,912 km (0.12 R)
• M12: 9,786,842 km (0.117 R)
• M13: 14,585,194 km (0.109 R)
• M14: 15,073,781 km (0.092 R)
• M15: 15,573,138 km (0.111 R)
• M16: 16,186,938 km (0.107 R)
• M17: 17,354,251 km (0.065 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 203 - 19,407 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit