🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.22

Radius: 0.55

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 0.53 AU - 0.79 AU

Year: 199 Days

Day: 44 Hours

Environment

Temp: 186 °C

Axial Tilt: 31 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.25 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.73

Radius: 1.69

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 1.09 AU - 1.41 AU

Year: 518 Days

Day: 12.6 Hours

Environment

Temp: -6 °C

Axial Tilt: 5.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 56,738,008 km

• M1: 39,494 km (0.054 R)

Asteroid Belt

Center: 6.16 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 11.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 550.4

Radius: 13

Gravity: 3.26 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 8.39 AU - 13.75 AU

Year: 13659 Days

Day: 10.4 Hours

Environment

Temp: -175 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 56,738,008 km

• M1: 170,242 km (0.085 R)
• M2: 619,186 km (0.088 R)
• M3: 1,179,579 km (0.086 R)
• M4: 1,698,385 km (0.118 R)
• M5: 2,273,738 km (0.089 R)
• M6: 2,932,268 km (0.114 R)
• M7: 3,481,741 km (0.086 R)
• M8: 3,903,906 km (0.104 R)
• M9: 4,420,019 km (0.076 R)
• M10: 5,625,778 km (0.041 R)
• M11: 6,479,233 km (0.081 R)
• M12: 7,164,242 km (0.072 R)
• M13: 8,121,818 km (0.086 R)
• M14: 13,451,541 km (0.1 R)
• M15: 15,673,369 km (0.046 R)
• M16: 16,908,898 km (0.075 R)
• M17: 19,738,392 km (0.038 R)
• M18: 21,615,097 km (0.119 R)
• M19: 25,819,994 km (0.113 R)
• M20: 33,280,590 km (0.085 R)
• M21: 38,851,614 km (0.085 R)
• M22: 47,503,308 km (0.056 R)
• M23: 49,161,600 km (0.083 R)
• M24: 51,484,706 km (0.096 R)
• M25: 52,593,525 km (0.084 R)

Planet 4 - Gas Giant

Semi-Major Axis: 11.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 13

Radius: 8

Gravity: 0.2 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 8.61 AU - 13.69 AU

Year: 13808 Days

Day: 5.8 Hours

Environment

Temp: -185 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 56,738,008 km

• M1: 99,931 km (0.065 R)
• M2: 884,572 km (0.12 R)
• M3: 1,352,066 km (0.057 R)
• M4: 4,732,529 km (0.089 R)
• M5: 7,896,374 km (0.08 R)
• M6: 9,470,443 km (0.072 R)
• M7: 9,774,575 km (0.102 R)
• M8: 11,854,285 km (0.103 R)

Planet 5 - Ice Giant

Semi-Major Axis: 18.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 140.7

Radius: 3.9

Gravity: 9.25 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 14.02 AU - 22.06 AU

Year: 28416 Days

Day: 16.3 Hours

Environment

Temp: -205 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 56,738,008 km

• M1: 55,202 km (0.075 R)
• M2: 373,695 km (0.068 R)
• M3: 1,240,316 km (0.074 R)
• M4: 1,770,192 km (0.061 R)
• M5: 3,159,208 km (0.106 R)
• M6: 4,976,972 km (0.077 R)
• M7: 5,179,976 km (0.087 R)
• M8: 7,568,455 km (0.096 R)
• M9: 10,602,300 km (0.074 R)
• M10: 16,495,110 km (0.109 R)
• M11: 27,892,673 km (0.059 R)
• M12: 37,507,627 km (0.091 R)
• M13: 39,743,966 km (0.042 R)
• M14: 42,486,992 km (0.111 R)
• M15: 55,221,062 km (0.104 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: 227 - 16,364 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit