🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.99

Radius: 1.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 0.53 AU - 0.55 AU

Year: 140 Days

Day: 13.5 Hours

Environment

Temp: 267 °C

Axial Tilt: 32.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 20,310,582 km

• M1: 149,299 km (0.115 R)
• M2: 408,103 km (0.094 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.12

Radius: 0.43

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 0.6 AU - 0.74 AU

Year: 194 Days

Day: 35.3 Hours

Environment

Temp: 231 °C

Axial Tilt: 1.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 20,310,582 km

• M1: 61,036 km (0.083 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.15 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.79

Radius: 1.7

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 1.12 AU - 1.18 AU

Year: 435 Days

Day: 42.3 Hours

Environment

Temp: 32 °C

Axial Tilt: 29 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.63

Radius: 1.22

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 1.53 AU - 1.87 AU

Year: 783 Days

Day: 16.3 Hours

Environment

Temp: -28 °C

Axial Tilt: 38.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.82 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.12

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 2.16 AU - 3.48 AU

Year: 1672 Days

Day: 13.4 Hours

Environment

Temp: -93 °C

Axial Tilt: 1.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.29 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.45

Radius: 1.64

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 3.98 AU - 4.6 AU

Year: 3138 Days

Day: 35.1 Hours

Environment

Temp: -120 °C

Axial Tilt: 16.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 5.01 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.68

Radius: 1.48

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 4.19 AU - 5.83 AU

Year: 3960 Days

Day: 26.3 Hours

Environment

Temp: -125 °C

Axial Tilt: 2.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.45 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 7.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 85.1

Radius: 11.8

Gravity: 0.61 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 6.56 AU - 9.22 AU

Year: 7826 Days

Day: 14.2 Hours

Environment

Temp: -162 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 20,310,582 km

• M1: 148,401 km (0.103 R)
• M2: 691,142 km (0.1 R)
• M3: 1,119,291 km (0.064 R)
• M4: 1,516,174 km (0.113 R)
• M5: 2,109,480 km (0.072 R)
• M6: 2,548,101 km (0.11 R)
• M7: 4,906,062 km (0.045 R)
• M8: 6,945,081 km (0.111 R)
• M9: 9,068,324 km (0.095 R)
• M10: 9,789,385 km (0.057 R)
• M11: 12,183,550 km (0.089 R)
• M12: 12,573,551 km (0.047 R)
• M13: 14,265,952 km (0.12 R)
• M14: 16,894,536 km (0.109 R)
• M15: 17,875,150 km (0.117 R)
• M16: 19,182,935 km (0.11 R)
• M17: 20,189,878 km (0.102 R)

Kuiper Belt

Range: 31.1 - 50.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 252 - 14,628 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit