🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.45

Radius: 1.64

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 0.63 AU - 0.65 AU

Year: 197 Days

Day: 34.5 Hours

Environment

Temp: 166 °C

Axial Tilt: 18.7 °

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: 3.39

Radius: 1.63

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 0.7 AU - 0.8 AU

Year: 250 Days

Day: 21.2 Hours

Environment

Temp: 167 °C

Axial Tilt: 34.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.95 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.47

Radius: 1.64

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 0.91 AU - 0.99 AU

Year: 356 Days

Day: 40.1 Hours

Environment

Temp: 15 °C

Axial Tilt: 29 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 46,470,738 km

• M1: 173,384 km (0.029 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.21

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 1.07 AU - 1.59 AU

Year: 591 Days

Day: 47.3 Hours

Environment

Temp: -47 °C

Axial Tilt: 113.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 46,470,738 km

• M1: 672,742 km (0.115 R)

Asteroid Belt

Center: 2.05 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Terrestrial

Semi-Major Axis: 2.76 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.82

Radius: 1.27

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 2.66 AU - 2.86 AU

Year: 1765 Days

Day: 23.4 Hours

Environment

Temp: -102 °C

Axial Tilt: 7.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 46,470,738 km

• M1: 122,521 km (0.028 R)

Planet 6 - Terrestrial

Semi-Major Axis: 3.15 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.88

Radius: 1.53

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 3 AU - 3.3 AU

Year: 2152 Days

Day: 16.8 Hours

Environment

Temp: -123 °C

Axial Tilt: 3.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Gas Giant

Semi-Major Axis: 8.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 347.4

Radius: 8.8

Gravity: 4.49 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 7.46 AU - 8.64 AU

Year: 8794 Days

Day: 6.9 Hours

Environment

Temp: -183 °C

Axial Tilt: 49.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 46,470,738 km

• M1: 113,844 km (0.084 R)
• M2: 424,110 km (0.053 R)
• M3: 724,203 km (0.052 R)
• M4: 1,310,029 km (0.026 R)
• M5: 2,467,467 km (0.099 R)
• M6: 2,851,635 km (0.058 R)
• M7: 3,212,315 km (0.098 R)
• M8: 3,857,830 km (0.096 R)
• M9: 4,249,477 km (0.067 R)
• M10: 4,534,012 km (0.088 R)
• M11: 5,771,187 km (0.108 R)
• M12: 6,056,320 km (0.082 R)
• M13: 6,484,918 km (0.097 R)
• M14: 6,969,017 km (0.09 R)
• M15: 8,324,673 km (0.115 R)
• M16: 10,256,430 km (0.119 R)
• M17: 13,327,824 km (0.114 R)
• M18: 15,042,515 km (0.096 R)
• M19: 15,829,399 km (0.117 R)
• M20: 27,167,273 km (0.107 R)
• M21: 28,606,853 km (0.077 R)
• M22: 30,572,569 km (0.092 R)
• M23: 32,327,801 km (0.105 R)

Planet 8 - Gas Giant

Semi-Major Axis: 8.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 419.7

Radius: 10.4

Gravity: 3.88 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 7.85 AU - 8.79 AU

Year: 9240 Days

Day: 10.1 Hours

Environment

Temp: -169 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 46,470,738 km

• M1: 129,402 km (0.11 R)
• M2: 480,808 km (0.109 R)
• M3: 992,582 km (0.067 R)
• M4: 2,142,989 km (0.081 R)
• M5: 3,254,202 km (0.071 R)
• M6: 5,448,354 km (0.091 R)
• M7: 6,463,675 km (0.077 R)
• M8: 7,446,832 km (0.094 R)
• M9: 8,695,376 km (0.097 R)
• M10: 11,195,456 km (0.061 R)
• M11: 11,914,722 km (0.099 R)
• M12: 14,022,556 km (0.117 R)
• M13: 16,760,646 km (0.059 R)
• M14: 18,395,452 km (0.093 R)
• M15: 23,353,125 km (0.116 R)
• M16: 24,955,169 km (0.103 R)
• M17: 27,724,375 km (0.116 R)
• M18: 33,235,112 km (0.115 R)
• M19: 33,865,667 km (0.082 R)
• M20: 36,025,262 km (0.066 R)
• M21: 36,468,071 km (0.104 R)

Planet 9 - Gas Giant

Semi-Major Axis: 8.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 685.7

Radius: 14.8

Gravity: 3.13 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 7.41 AU - 9.59 AU

Year: 9541 Days

Day: 10.5 Hours

Environment

Temp: -183 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 46,470,738 km

• M1: 190,588 km (0.071 R)
• M2: 1,189,303 km (0.116 R)
• M3: 1,658,592 km (0.117 R)
• M4: 2,134,762 km (0.072 R)
• M5: 2,723,878 km (0.115 R)
• M6: 4,748,386 km (0.116 R)
• M7: 5,497,423 km (0.081 R)
• M8: 6,288,047 km (0.111 R)
• M9: 7,927,042 km (0.119 R)
• M10: 9,215,079 km (0.11 R)
• M11: 11,484,479 km (0.108 R)
• M12: 12,091,697 km (0.102 R)
• M13: 13,734,730 km (0.063 R)
• M14: 14,546,299 km (0.068 R)
• M15: 15,389,582 km (0.057 R)
• M16: 16,541,485 km (0.105 R)
• M17: 21,151,194 km (0.108 R)
• M18: 22,403,927 km (0.085 R)
• M19: 26,650,113 km (0.117 R)
• M20: 28,911,883 km (0.093 R)
• M21: 30,037,756 km (0.075 R)
• M22: 40,752,854 km (0.101 R)
• M23: 41,649,543 km (0.07 R)
• M24: 43,085,234 km (0.07 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 304 - 10,371 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit