🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.37

Radius: 1.63

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 0.45 AU - 0.65 AU

Year: 146 Days

Day: 30.8 Hours

Environment

Temp: 220 °C

Axial Tilt: 46.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.77 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.22

Radius: 0.55

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 0.75 AU - 0.79 AU

Year: 242 Days

Day: 12.6 Hours

Environment

Temp: 125 °C

Axial Tilt: 31.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 23,787,743 km

• M1: 123,269 km (0.037 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.89 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.68

Radius: 1.23

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 0.82 AU - 0.96 AU

Year: 301 Days

Day: 38.8 Hours

Environment

Temp: 181 °C

Axial Tilt: 32.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 23,787,743 km

• M1: 143,315 km (0.081 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.25 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.87

Radius: 1.88

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 1.12 AU - 1.38 AU

Year: 501 Days

Day: 40.9 Hours

Environment

Temp: 6 °C

Axial Tilt: 6.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.57

Radius: 1.84

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 1.67 AU - 1.71 AU

Year: 787 Days

Day: 22.8 Hours

Environment

Temp: -36 °C

Axial Tilt: 16.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.41

Radius: 1.42

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 1.39 AU - 2.21 AU

Year: 865 Days

Day: 37.9 Hours

Environment

Temp: -56 °C

Axial Tilt: 45 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 3.45 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.18

Radius: 1.59

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 2.97 AU - 3.93 AU

Year: 2295 Days

Day: 37.9 Hours

Environment

Temp: -102 °C

Axial Tilt: 20.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.02 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 6.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 229.1

Radius: 8.8

Gravity: 2.96 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 5.7 AU - 7.46 AU

Year: 6045 Days

Day: 14.5 Hours

Environment

Temp: -145 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 23,787,743 km

• M1: 109,506 km (0.11 R)
• M2: 497,413 km (0.109 R)
• M3: 801,246 km (0.112 R)
• M4: 1,789,639 km (0.042 R)
• M5: 2,878,113 km (0.118 R)
• M6: 4,357,487 km (0.093 R)
• M7: 5,352,911 km (0.07 R)
• M8: 5,780,013 km (0.111 R)
• M9: 6,672,364 km (0.115 R)
• M10: 7,327,154 km (0.071 R)
• M11: 7,955,764 km (0.063 R)
• M12: 9,358,544 km (0.106 R)
• M13: 11,088,643 km (0.086 R)
• M14: 12,461,503 km (0.093 R)
• M15: 16,081,023 km (0.066 R)
• M16: 18,129,766 km (0.107 R)
• M17: 21,387,559 km (0.074 R)
• M18: 22,327,183 km (0.089 R)

Kuiper Belt

Range: 30.6 - 52.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 532 - 20,321 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit