🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.86

Radius: 1.88

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 0.59 AU - 0.61 AU

Year: 171 Days

Day: 17.1 Hours

Environment

Temp: 218 °C

Axial Tilt: 35.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 50,996,570 km

• M1: 58,942 km (0.076 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.03 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.02

Radius: 1.01

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 1.01 AU - 1.05 AU

Year: 384 Days

Day: 19.5 Hours

Environment

Temp: 33 °C

Axial Tilt: 27 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 50,996,570 km

• M1: 521,199 km (0.115 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.85

Radius: 1.28

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 1.2 AU - 1.58 AU

Year: 602 Days

Day: 27.9 Hours

Environment

Temp: -36 °C

Axial Tilt: 4.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.16

Radius: 1.36

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 1.52 AU - 1.64 AU

Year: 729 Days

Day: 20.7 Hours

Environment

Temp: -41 °C

Axial Tilt: 22.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.19

Radius: 0.51

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 1.33 AU - 1.99 AU

Year: 785 Days

Day: 39.8 Hours

Environment

Temp: -49 °C

Axial Tilt: 39.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.24

Radius: 1.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 1.62 AU - 1.7 AU

Year: 785 Days

Day: 15 Hours

Environment

Temp: -42 °C

Axial Tilt: 23.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.65

Radius: 0.84

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 2.06 AU - 2.62 AU

Year: 1314 Days

Day: 45.1 Hours

Environment

Temp: -84 °C

Axial Tilt: 37.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.43 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 10.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 525.8

Radius: 13.7

Gravity: 2.8 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 8.47 AU - 12.57 AU

Year: 12526 Days

Day: 11.1 Hours

Environment

Temp: -185 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 50,996,570 km

• M1: 170,392 km (0.101 R)
• M2: 890,706 km (0.099 R)
• M3: 1,529,040 km (0.117 R)
• M4: 2,132,966 km (0.088 R)
• M5: 2,662,244 km (0.104 R)
• M6: 3,139,162 km (0.109 R)
• M7: 4,183,355 km (0.117 R)
• M8: 4,709,939 km (0.114 R)
• M9: 6,113,467 km (0.12 R)
• M10: 7,072,389 km (0.048 R)
• M11: 9,001,005 km (0.027 R)
• M12: 10,876,663 km (0.082 R)
• M13: 13,369,711 km (0.063 R)
• M14: 15,663,346 km (0.075 R)
• M15: 21,102,126 km (0.04 R)
• M16: 23,464,725 km (0.041 R)
• M17: 24,012,852 km (0.071 R)
• M18: 30,510,935 km (0.054 R)
• M19: 32,611,588 km (0.109 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 153 - 16,209 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit