🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.11

Radius: 0.41

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 0.56 AU - 0.78 AU

Year: 191 Days

Day: 39.3 Hours

Environment

Temp: 188 °C

Axial Tilt: 16.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.35

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 0.65 AU - 0.85 AU

Year: 226 Days

Day: 34 Hours

Environment

Temp: 212 °C

Axial Tilt: 1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.86 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.71

Radius: 1.49

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 0.65 AU - 1.08 AU

Year: 278 Days

Day: 45.8 Hours

Environment

Temp: 202 °C

Axial Tilt: 43.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 0.98 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.88

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.77 AU - 1.19 AU

Year: 338 Days

Day: 15.6 Hours

Environment

Temp: 133 °C

Axial Tilt: 26.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 46,950,604 km

• M1: 395,537 km (0.107 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.45 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.67

Radius: 1.48

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 1.12 AU - 1.78 AU

Year: 608 Days

Day: 18.4 Hours

Environment

Temp: 2 °C

Axial Tilt: 31.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 6 - Terrestrial

Semi-Major Axis: 3.86 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.45

Radius: 0.73

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 3.33 AU - 4.39 AU

Year: 2641 Days

Day: 36 Hours

Environment

Temp: -112 °C

Axial Tilt: 39.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 4.8 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.47

Radius: 1.44

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 4.09 AU - 5.51 AU

Year: 3662 Days

Day: 19.7 Hours

Environment

Temp: -118 °C

Axial Tilt: 6.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 8.26 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 11.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 243.6

Radius: 13.2

Gravity: 1.4 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 9.09 AU - 14.35 AU

Year: 13973 Days

Day: 14.6 Hours

Environment

Temp: -170 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 46,950,604 km

• M1: 164,109 km (0.103 R)
• M2: 1,870,273 km (0.113 R)
• M3: 3,341,568 km (0.055 R)
• M4: 3,790,361 km (0.073 R)
• M5: 12,823,529 km (0.096 R)
• M6: 13,399,780 km (0.111 R)
• M7: 16,143,256 km (0.12 R)
• M8: 18,072,470 km (0.113 R)
• M9: 20,151,132 km (0.035 R)
• M10: 22,137,942 km (0.077 R)
• M11: 24,426,939 km (0.116 R)
• M12: 40,447,075 km (0.051 R)

Planet 9 - Ice Giant

Semi-Major Axis: 17.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 93.8

Radius: 5.8

Gravity: 2.79 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 14.01 AU - 21.63 AU

Year: 26197 Days

Day: 15.8 Hours

Environment

Temp: -199 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 46,950,604 km

• M1: 72,106 km (0.107 R)
• M2: 383,569 km (0.12 R)
• M3: 831,315 km (0.108 R)
• M4: 1,275,621 km (0.106 R)
• M5: 1,963,771 km (0.075 R)
• M6: 2,389,377 km (0.058 R)
• M7: 2,726,571 km (0.095 R)
• M8: 3,117,620 km (0.058 R)
• M9: 3,545,320 km (0.108 R)
• M10: 7,999,896 km (0.058 R)
• M11: 10,660,344 km (0.094 R)
• M12: 10,923,337 km (0.088 R)
• M13: 15,338,569 km (0.087 R)
• M14: 20,895,382 km (0.084 R)
• M15: 24,254,303 km (0.085 R)
• M16: 25,263,041 km (0.084 R)
• M17: 32,897,769 km (0.108 R)
• M18: 33,792,962 km (0.117 R)
• M19: 34,704,163 km (0.115 R)
• M20: 40,137,707 km (0.097 R)
• M21: 46,530,024 km (0.03 R)

Kuiper Belt

Range: 31.5 - 47.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 301 - 15,384 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit