🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.15

Radius: 0.47

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 0.42 AU - 0.62 AU

Year: 136 Days

Day: 13.7 Hours

Environment

Temp: 256 °C

Axial Tilt: 38.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.43

Radius: 1.15

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 0.55 AU - 0.57 AU

Year: 152 Days

Day: 27 Hours

Environment

Temp: 216 °C

Axial Tilt: 45 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.22

Radius: 1.6

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 0.59 AU - 0.61 AU

Year: 169 Days

Day: 18.3 Hours

Environment

Temp: 228 °C

Axial Tilt: 15.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 0.68 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.67

Radius: 1.48

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 0.55 AU - 0.81 AU

Year: 204 Days

Day: 15.7 Hours

Environment

Temp: 185 °C

Axial Tilt: 35.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 5 - Terrestrial

Semi-Major Axis: 0.81 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.01

Radius: 1.74

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 0.78 AU - 0.84 AU

Year: 265 Days

Day: 14 Hours

Environment

Temp: 178 °C

Axial Tilt: 49.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 2,661,481 km

• M1: 133,591 km (0.093 R)
• M2: 473,776 km (0.025 R)

Planet 6 - Terrestrial

Semi-Major Axis: 0.97 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.39

Radius: 0.69

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.77 AU - 1.17 AU

Year: 347 Days

Day: 12.1 Hours

Environment

Temp: 26 °C

Axial Tilt: 10.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 2,661,481 km

• M1: 145,110 km (0.083 R)
• M2: 355,893 km (0.116 R)

Planet 7 - Terrestrial

Semi-Major Axis: 1.29 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.64

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 1.12 AU - 1.46 AU

Year: 532 Days

Day: 34.8 Hours

Environment

Temp: -1 °C

Axial Tilt: 10 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 8 - Terrestrial

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.94

Radius: 1.89

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 1.76 AU - 2.16 AU

Year: 997 Days

Day: 36.2 Hours

Environment

Temp: -60 °C

Axial Tilt: 35.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.53 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Terrestrial

Semi-Major Axis: 3.1 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.98

Radius: 1.55

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 2.68 AU - 3.52 AU

Year: 1984 Days

Day: 15.6 Hours

Environment

Temp: -100 °C

Axial Tilt: 27 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 2,661,481 km

• M1: 511,326 km (0.098 R)
• M2: 1,238,072 km (0.114 R)

Kuiper Belt

Range: 30.2 - 51.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 442 - 15,344 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit