🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.88 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.99

Radius: 1.55

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 0.71 AU - 1.05 AU

Year: 294 Days

Day: 41.9 Hours

Environment

Temp: 141 °C

Axial Tilt: 9.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 79,734,860 km

• M1: 50,714 km (0.087 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.02 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.91

Radius: 0.96

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 1 AU - 1.04 AU

Year: 367 Days

Day: 21.7 Hours

Environment

Temp: 78 °C

Axial Tilt: 39.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.12 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.21

Radius: 1.37

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 0.87 AU - 1.37 AU

Year: 422 Days

Day: 17.1 Hours

Environment

Temp: 19 °C

Axial Tilt: 67.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.43 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.59

Radius: 1.46

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 1.39 AU - 1.47 AU

Year: 610 Days

Day: 25.6 Hours

Environment

Temp: 2 °C

Axial Tilt: 7.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.15

Radius: 1.36

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 1.67 AU - 2.13 AU

Year: 934 Days

Day: 16.4 Hours

Environment

Temp: -60 °C

Axial Tilt: 6.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.14 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.5

Radius: 0.76

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 2.14 AU - 2.14 AU

Year: 1116 Days

Day: 27.1 Hours

Environment

Temp: -65 °C

Axial Tilt: 43.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 2.49 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.33

Radius: 1.62

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 2.25 AU - 2.73 AU

Year: 1401 Days

Day: 18.9 Hours

Environment

Temp: -80 °C

Axial Tilt: 18.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Terrestrial

Semi-Major Axis: 3.37 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.53

Radius: 1.66

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 2.92 AU - 3.82 AU

Year: 2205 Days

Day: 24.3 Hours

Environment

Temp: -97 °C

Axial Tilt: 34 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 79,734,860 km

• M1: 115,340 km (0.093 R)

Asteroid Belt

Center: 7.47 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Gas Giant

Semi-Major Axis: 11.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 450.3

Radius: 9.1

Gravity: 5.44 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 11.2 AU - 11.94 AU

Year: 14028 Days

Day: 11.7 Hours

Environment

Temp: -173 °C

Axial Tilt: 143.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 79,734,860 km

• M1: 114,293 km (0.066 R)
• M2: 536,308 km (0.067 R)
• M3: 851,810 km (0.109 R)
• M4: 2,905,639 km (0.119 R)
• M5: 3,324,962 km (0.083 R)
• M6: 4,057,543 km (0.115 R)
• M7: 4,767,834 km (0.061 R)
• M8: 5,252,232 km (0.068 R)
• M9: 6,021,913 km (0.059 R)
• M10: 6,549,694 km (0.112 R)
• M11: 8,410,841 km (0.102 R)
• M12: 9,216,426 km (0.077 R)
• M13: 20,890,595 km (0.114 R)
• M14: 22,990,201 km (0.097 R)
• M15: 23,628,236 km (0.07 R)
• M16: 27,299,218 km (0.11 R)
• M17: 31,222,871 km (0.036 R)
• M18: 31,668,373 km (0.029 R)
• M19: 33,376,631 km (0.1 R)
• M20: 38,613,454 km (0.039 R)
• M21: 40,959,299 km (0.111 R)
• M22: 41,896,828 km (0.102 R)
• M23: 43,814,374 km (0.104 R)

Planet 10 - Ice Giant

Semi-Major Axis: 18.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 420.6

Radius: 5.9

Gravity: 12.08 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 16.71 AU - 19.43 AU

Year: 27380 Days

Day: 24.2 Hours

Environment

Temp: -187 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 79,734,860 km

• M1: 73,602 km (0.095 R)
• M2: 273,764 km (0.082 R)
• M3: 749,635 km (0.1 R)
• M4: 1,094,009 km (0.082 R)
• M5: 2,807,952 km (0.074 R)
• M6: 3,068,252 km (0.089 R)
• M7: 3,316,136 km (0.081 R)
• M8: 3,637,323 km (0.089 R)
• M9: 4,410,145 km (0.096 R)
• M10: 6,017,574 km (0.1 R)
• M11: 6,540,569 km (0.114 R)
• M12: 7,577,132 km (0.046 R)
• M13: 8,031,311 km (0.119 R)
• M14: 11,145,640 km (0.103 R)
• M15: 13,183,013 km (0.109 R)
• M16: 14,138,345 km (0.111 R)
• M17: 14,981,928 km (0.057 R)
• M18: 18,784,705 km (0.055 R)
• M19: 19,897,714 km (0.072 R)
• M20: 20,278,440 km (0.032 R)
• M21: 20,470,524 km (0.103 R)
• M22: 23,289,397 km (0.111 R)
• M23: 23,712,160 km (0.029 R)
• M24: 25,790,374 km (0.055 R)
• M25: 27,163,682 km (0.088 R)
• M26: 45,294,346 km (0.094 R)
• M27: 58,534,655 km (0.06 R)
• M28: 62,713,671 km (0.102 R)
• M29: 69,675,358 km (0.091 R)
• M30: 74,592,041 km (0.095 R)
• M31: 75,971,932 km (0.101 R)
• M32: 78,782,727 km (0.087 R)

Kuiper Belt

Range: 30.8 - 50.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 410 - 13,248 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit