🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.44

Radius: 1.82

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 0.59 AU - 0.75 AU

Year: 195 Days

Day: 30.4 Hours

Environment

Temp: 137 °C

Axial Tilt: 26.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.26 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.26

Radius: 0.58

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 1.17 AU - 1.35 AU

Year: 504 Days

Day: 40.2 Hours

Environment

Temp: 15 °C

Axial Tilt: 76.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.32

Radius: 1.8

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 1.57 AU - 2.03 AU

Year: 861 Days

Day: 17.1 Hours

Environment

Temp: -39 °C

Axial Tilt: 4.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 7.04 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 12.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 127.7

Radius: 14.2

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 9.71 AU - 14.85 AU

Year: 15339 Days

Day: 14.4 Hours

Environment

Temp: -174 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 89,540,433 km

• M1: 203,902 km (0.099 R)
• M2: 665,262 km (0.119 R)
• M3: 1,215,034 km (0.105 R)
• M4: 2,228,709 km (0.044 R)
• M5: 3,658,416 km (0.114 R)
• M6: 4,388,454 km (0.101 R)
• M7: 5,633,557 km (0.059 R)
• M8: 9,195,781 km (0.097 R)
• M9: 9,947,062 km (0.082 R)
• M10: 11,927,887 km (0.081 R)
• M11: 12,554,553 km (0.081 R)
• M12: 24,706,836 km (0.104 R)
• M13: 26,334,012 km (0.095 R)
• M14: 28,214,458 km (0.097 R)
• M15: 30,279,058 km (0.098 R)

Planet 5 - Ice Giant

Semi-Major Axis: 19.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 456.2

Radius: 4.7

Gravity: 20.65 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 18.72 AU - 20.78 AU

Year: 31286 Days

Day: 15.5 Hours

Environment

Temp: -195 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 89,540,433 km

• M1: 65,075 km (0.05 R)
• M2: 354,397 km (0.11 R)
• M3: 840,740 km (0.069 R)
• M4: 998,267 km (0.083 R)
• M5: 2,173,807 km (0.118 R)
• M6: 5,531,381 km (0.033 R)
• M7: 5,915,100 km (0.09 R)
• M8: 6,500,327 km (0.109 R)
• M9: 10,393,761 km (0.111 R)
• M10: 24,746,031 km (0.09 R)
• M11: 28,693,919 km (0.066 R)
• M12: 34,017,209 km (0.079 R)
• M13: 41,872,294 km (0.089 R)
• M14: 46,217,664 km (0.072 R)
• M15: 47,261,408 km (0.118 R)
• M16: 49,757,897 km (0.086 R)
• M17: 65,945,285 km (0.049 R)
• M18: 67,045,876 km (0.107 R)
• M19: 77,507,106 km (0.094 R)
• M20: 79,722,201 km (0.098 R)
• M21: 80,720,019 km (0.112 R)

Kuiper Belt

Range: 30.8 - 53.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 506 - 16,990 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit