🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.58

Radius: 1.84

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 0.47 AU - 0.77 AU

Year: 176 Days

Day: 27.6 Hours

Environment

Temp: 216 °C

Axial Tilt: 39.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.7

Radius: 1.49

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 0.68 AU - 0.72 AU

Year: 211 Days

Day: 40.7 Hours

Environment

Temp: 211 °C

Axial Tilt: 25.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.43 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.56

Radius: 1.83

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 1.12 AU - 1.74 AU

Year: 615 Days

Day: 38.6 Hours

Environment

Temp: -18 °C

Axial Tilt: 40 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 31,490,870 km

• M1: 592,707 km (0.079 R)
• M2: 1,225,955 km (0.116 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.46 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.12

Radius: 1.05

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 1.89 AU - 3.03 AU

Year: 1389 Days

Day: 43.8 Hours

Environment

Temp: -78 °C

Axial Tilt: 38.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 31,490,870 km

• M1: 29,471 km (0.088 R)
• M2: 1,514,230 km (0.117 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.41

Radius: 1.63

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 3.11 AU - 4.19 AU

Year: 2510 Days

Day: 14.8 Hours

Environment

Temp: -124 °C

Axial Tilt: 21.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.62

Radius: 1.47

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 3.74 AU - 5.56 AU

Year: 3609 Days

Day: 38.5 Hours

Environment

Temp: -123 °C

Axial Tilt: 4.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 4.95 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.36

Radius: 1.62

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 3.95 AU - 5.95 AU

Year: 3964 Days

Day: 25.1 Hours

Environment

Temp: -142 °C

Axial Tilt: 23.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.48 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 694.3

Radius: 11.8

Gravity: 4.99 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 5.66 AU - 6.34 AU

Year: 5289 Days

Day: 5.2 Hours

Environment

Temp: -143 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 31,490,870 km

• M1: 147,055 km (0.085 R)
• M2: 2,107,984 km (0.103 R)
• M3: 2,502,324 km (0.057 R)
• M4: 3,380,313 km (0.056 R)
• M5: 4,231,675 km (0.118 R)
• M6: 5,109,814 km (0.111 R)
• M7: 7,616,925 km (0.08 R)
• M8: 10,177,293 km (0.101 R)
• M9: 16,928,046 km (0.104 R)
• M10: 21,072,954 km (0.11 R)
• M11: 22,243,408 km (0.075 R)
• M12: 23,456,647 km (0.073 R)
• M13: 31,397,003 km (0.097 R)

Kuiper Belt

Range: 30.5 - 57.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 506 - 20,446 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit