🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.17

Radius: 0.49

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 0.49 AU - 0.53 AU

Year: 137 Days

Day: 22.7 Hours

Environment

Temp: 221 °C

Axial Tilt: 35.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.69 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.05

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 0.65 AU - 0.73 AU

Year: 216 Days

Day: 34.8 Hours

Environment

Temp: 95 °C

Axial Tilt: 48.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 18,130,553 km

• M1: 99,034 km (0.078 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.97 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.71

Radius: 0.87

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 0.9 AU - 1.04 AU

Year: 360 Days

Day: 44.9 Hours

Environment

Temp: 31 °C

Axial Tilt: 16.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Asteroid Belt

Center: 1.78 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Terrestrial

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.82

Radius: 0.92

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 2.41 AU - 2.77 AU

Year: 1570 Days

Day: 47.9 Hours

Environment

Temp: -105 °C

Axial Tilt: 9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.75 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.84

Radius: 1.71

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 2.13 AU - 3.37 AU

Year: 1718 Days

Day: 34.2 Hours

Environment

Temp: -100 °C

Axial Tilt: 15.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 18,130,553 km

• M1: 1,860,698 km (0.09 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.7

Radius: 0.87

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 2.14 AU - 3.44 AU

Year: 1756 Days

Day: 14.3 Hours

Environment

Temp: -104 °C

Axial Tilt: 36.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 3.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.08

Radius: 1.03

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 2.96 AU - 4.04 AU

Year: 2467 Days

Day: 18.5 Hours

Environment

Temp: -121 °C

Axial Tilt: 7.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.42 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 5.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 172.5

Radius: 9.9

Gravity: 1.76 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 5.23 AU - 5.43 AU

Year: 4636 Days

Day: 8.8 Hours

Environment

Temp: -142 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 18,130,553 km

• M1: 123,119 km (0.047 R)
• M2: 462,108 km (0.114 R)
• M3: 856,149 km (0.082 R)
• M4: 1,199,476 km (0.111 R)
• M5: 1,595,162 km (0.08 R)
• M6: 1,957,189 km (0.096 R)
• M7: 2,804,062 km (0.11 R)
• M8: 3,528,715 km (0.11 R)
• M9: 4,332,205 km (0.088 R)
• M10: 6,142,189 km (0.111 R)
• M11: 6,985,323 km (0.065 R)
• M12: 7,420,204 km (0.108 R)
• M13: 7,842,220 km (0.12 R)
• M14: 8,153,383 km (0.105 R)
• M15: 8,701,510 km (0.118 R)
• M16: 13,206,799 km (0.118 R)
• M17: 15,807,259 km (0.069 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 465 - 14,744 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit