🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.5

Radius: 0.76

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 0.66 AU - 0.74 AU

Year: 221 Days

Day: 44.2 Hours

Environment

Temp: 144 °C

Axial Tilt: 22.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Asteroid Belt

Center: 1.1 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Terrestrial

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.53

Radius: 1.19

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 1.31 AU - 1.67 AU

Year: 685 Days

Day: 46.8 Hours

Environment

Temp: -48 °C

Axial Tilt: 18.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 7.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 91.3

Radius: 10.6

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 6.4 AU - 9.32 AU

Year: 8302 Days

Day: 6.3 Hours

Environment

Temp: -176 °C

Axial Tilt: 82.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 66,271,966 km

• M1: 132,095 km (0.101 R)
• M2: 545,583 km (0.116 R)
• M3: 1,151,455 km (0.077 R)
• M4: 1,713,045 km (0.093 R)
• M5: 2,553,935 km (0.066 R)
• M6: 4,347,613 km (0.081 R)
• M7: 4,705,601 km (0.055 R)
• M8: 5,329,574 km (0.059 R)
• M9: 5,740,369 km (0.087 R)
• M10: 8,666,953 km (0.069 R)
• M11: 9,272,974 km (0.057 R)
• M12: 10,371,770 km (0.116 R)
• M13: 10,932,313 km (0.055 R)
• M14: 12,736,164 km (0.109 R)
• M15: 16,598,632 km (0.066 R)
• M16: 17,089,313 km (0.101 R)
• M17: 17,702,215 km (0.089 R)
• M18: 19,209,115 km (0.113 R)

Planet 4 - Ice Giant

Semi-Major Axis: 18.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 213

Radius: 7.9

Gravity: 3.41 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 14.95 AU - 21.37 AU

Year: 29154 Days

Day: 16.5 Hours

Environment

Temp: -192 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 66,271,966 km

• M1: 99,333 km (0.094 R)
• M2: 349,461 km (0.119 R)
• M3: 1,884,933 km (0.106 R)
• M4: 2,519,827 km (0.111 R)
• M5: 4,207,590 km (0.115 R)
• M6: 13,143,519 km (0.05 R)
• M7: 13,688,953 km (0.044 R)
• M8: 14,391,764 km (0.119 R)
• M9: 23,983,231 km (0.079 R)
• M10: 33,097,631 km (0.102 R)
• M11: 33,979,212 km (0.114 R)
• M12: 35,005,752 km (0.112 R)
• M13: 40,593,981 km (0.109 R)
• M14: 41,895,482 km (0.041 R)
• M15: 45,193,816 km (0.109 R)
• M16: 47,539,361 km (0.11 R)
• M17: 49,147,388 km (0.083 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 481 - 19,415 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit