🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.08 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.19

Radius: 1.37

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 1 AU - 1.16 AU

Year: 404 Days

Day: 17.3 Hours

Environment

Temp: 40 °C

Axial Tilt: 2.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.3 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.72

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 1.13 AU - 1.47 AU

Year: 533 Days

Day: 18.2 Hours

Environment

Temp: -12 °C

Axial Tilt: 39.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.36 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.08

Radius: 1.03

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 1.26 AU - 1.46 AU

Year: 571 Days

Day: 22 Hours

Environment

Temp: -7 °C

Axial Tilt: 6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.86

Radius: 1.28

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 1.35 AU - 1.61 AU

Year: 648 Days

Day: 21.4 Hours

Environment

Temp: -24 °C

Axial Tilt: 15.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.59

Radius: 1.46

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 1.86 AU - 2.56 AU

Year: 1182 Days

Day: 16.9 Hours

Environment

Temp: -66 °C

Axial Tilt: 21.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.2

Radius: 1.37

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 2.49 AU - 2.79 AU

Year: 1544 Days

Day: 43 Hours

Environment

Temp: -92 °C

Axial Tilt: 44.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Terrestrial

Semi-Major Axis: 3.92 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.23

Radius: 1.6

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 3.46 AU - 4.38 AU

Year: 2793 Days

Day: 46.4 Hours

Environment

Temp: -124 °C

Axial Tilt: 37.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Ice Giant

Semi-Major Axis: 19.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 388.9

Radius: 5.7

Gravity: 11.97 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 17.03 AU - 22.39 AU

Year: 31492 Days

Day: 24.4 Hours

Environment

Temp: -204 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 85,274,064 km

• M1: 123,269 km (0.108 R)
• M2: 882,777 km (0.034 R)
• M3: 2,708,769 km (0.044 R)
• M4: 3,882,813 km (0.118 R)
• M5: 5,282,151 km (0.061 R)
• M6: 7,939,009 km (0.12 R)
• M7: 8,472,924 km (0.064 R)
• M8: 8,973,479 km (0.1 R)
• M9: 9,791,181 km (0.087 R)
• M10: 13,412,945 km (0.077 R)
• M11: 15,033,988 km (0.095 R)
• M12: 15,275,738 km (0.118 R)
• M13: 30,437,332 km (0.082 R)
• M14: 34,179,074 km (0.097 R)
• M15: 39,272,882 km (0.071 R)
• M16: 45,016,692 km (0.097 R)
• M17: 57,542,671 km (0.053 R)
• M18: 67,724,153 km (0.104 R)
• M19: 70,613,636 km (0.05 R)
• M20: 77,353,469 km (0.083 R)
• M21: 81,994,144 km (0.099 R)

Kuiper Belt

Range: 30.5 - 47.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 173 - 14,314 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit