🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.85 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.12

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 0.72 AU - 0.98 AU

Year: 283 Days

Day: 26.8 Hours

Environment

Temp: 153 °C

Axial Tilt: 32.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.95 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.19

Radius: 1.37

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 0.76 AU - 1.14 AU

Year: 335 Days

Day: 32.8 Hours

Environment

Temp: 67 °C

Axial Tilt: 32.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 33,629,969 km

• M1: 242,049 km (0.036 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.36 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.38

Radius: 1.41

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 1.05 AU - 1.67 AU

Year: 574 Days

Day: 12.3 Hours

Environment

Temp: -21 °C

Axial Tilt: 29.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.16

Radius: 1.58

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 1.23 AU - 1.91 AU

Year: 711 Days

Day: 32.4 Hours

Environment

Temp: -29 °C

Axial Tilt: 16.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.51

Radius: 1.83

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 1.85 AU - 1.99 AU

Year: 962 Days

Day: 29.1 Hours

Environment

Temp: -57 °C

Axial Tilt: 12.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 33,629,969 km

• M1: 375,191 km (0.111 R)
• M2: 1,623,436 km (0.038 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 315.2

Radius: 9.1

Gravity: 3.81 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 6.66 AU - 9.96 AU

Year: 8663 Days

Day: 12.4 Hours

Environment

Temp: -166 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 33,629,969 km

• M1: 113,096 km (0.067 R)
• M2: 432,487 km (0.107 R)
• M3: 872,904 km (0.079 R)
• M4: 1,501,514 km (0.114 R)
• M5: 2,055,774 km (0.078 R)
• M6: 2,474,199 km (0.093 R)
• M7: 2,796,583 km (0.051 R)
• M8: 3,936,967 km (0.036 R)
• M9: 6,961,836 km (0.111 R)
• M10: 7,389,088 km (0.094 R)
• M11: 10,559,216 km (0.093 R)
• M12: 10,886,087 km (0.119 R)
• M13: 11,907,542 km (0.053 R)
• M14: 13,530,529 km (0.108 R)
• M15: 13,860,841 km (0.111 R)
• M16: 14,309,635 km (0.1 R)
• M17: 15,295,784 km (0.083 R)
• M18: 17,728,245 km (0.111 R)
• M19: 18,593,220 km (0.063 R)
• M20: 21,283,289 km (0.119 R)
• M21: 25,038,794 km (0.118 R)
• M22: 26,640,090 km (0.115 R)
• M23: 28,849,650 km (0.085 R)
• M24: 33,329,209 km (0.12 R)

Kuiper Belt

Range: 30.3 - 59.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 527 - 17,907 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit