🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.15

Radius: 0.47

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 0.82 AU - 1.18 AU

Year: 365 Days

Day: 23.8 Hours

Environment

Temp: 15 °C

Axial Tilt: 22.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.08 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.83

Radius: 1.27

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 1.03 AU - 1.13 AU

Year: 410 Days

Day: 17.9 Hours

Environment

Temp: 5 °C

Axial Tilt: 21.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 38,408,938 km

• M1: 36,053 km (0.114 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.68

Radius: 1.23

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 1.8 AU - 1.82 AU

Year: 889 Days

Day: 22.3 Hours

Environment

Temp: -67 °C

Axial Tilt: 25 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.21

Radius: 1.08

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 1.48 AU - 2.3 AU

Year: 949 Days

Day: 47.5 Hours

Environment

Temp: -69 °C

Axial Tilt: 45.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 38,408,938 km

• M1: 29,022 km (0.072 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.72 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.2

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 2.94 AU - 4.5 AU

Year: 2621 Days

Day: 26.9 Hours

Environment

Temp: -113 °C

Axial Tilt: 6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 38,408,938 km

• M1: 875,596 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 368.5

Radius: 12.7

Gravity: 2.28 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 8.15 AU - 9.75 AU

Year: 9780 Days

Day: 8.3 Hours

Environment

Temp: -171 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 38,408,938 km

• M1: 158,275 km (0.114 R)
• M2: 587,920 km (0.1 R)
• M3: 1,201,121 km (0.029 R)
• M4: 2,017,926 km (0.077 R)
• M5: 3,528,715 km (0.079 R)
• M6: 4,521,745 km (0.114 R)
• M7: 5,113,554 km (0.071 R)
• M8: 8,925,907 km (0.04 R)
• M9: 11,406,838 km (0.073 R)
• M10: 12,132,238 km (0.028 R)
• M11: 14,674,354 km (0.07 R)
• M12: 15,222,481 km (0.102 R)
• M13: 18,732,197 km (0.095 R)
• M14: 21,402,967 km (0.08 R)
• M15: 24,487,675 km (0.104 R)
• M16: 25,000,497 km (0.116 R)
• M17: 25,871,007 km (0.116 R)
• M18: 26,403,127 km (0.075 R)
• M19: 27,214,695 km (0.059 R)
• M20: 28,042,869 km (0.102 R)
• M21: 31,726,268 km (0.067 R)
• M22: 32,540,828 km (0.109 R)
• M23: 35,720,381 km (0.08 R)
• M24: 36,491,109 km (0.108 R)
• M25: 38,294,362 km (0.065 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: 234 - 13,925 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit