🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.68 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.3

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 0.63 AU - 0.73 AU

Year: 210 Days

Day: 45.9 Hours

Environment

Temp: 103 °C

Axial Tilt: 5.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.04 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.2

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 0.91 AU - 1.17 AU

Year: 397 Days

Day: 23.2 Hours

Environment

Temp: 21 °C

Axial Tilt: 7.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.34

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 1.39 AU - 1.73 AU

Year: 730 Days

Day: 41.2 Hours

Environment

Temp: -41 °C

Axial Tilt: 0.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.38 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.01

Radius: 1.55

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 2.29 AU - 2.47 AU

Year: 1376 Days

Day: 36.1 Hours

Environment

Temp: -82 °C

Axial Tilt: 28 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.43 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.97

Radius: 0.99

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 3.36 AU - 3.5 AU

Year: 2381 Days

Day: 35.5 Hours

Environment

Temp: -128 °C

Axial Tilt: 35 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.49 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 785.8

Radius: 12

Gravity: 5.46 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 4.33 AU - 6.77 AU

Year: 4900 Days

Day: 6.5 Hours

Environment

Temp: -149 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 36,055,231 km

• M1: 149,299 km (0.108 R)
• M2: 890,556 km (0.089 R)
• M3: 2,076,568 km (0.101 R)
• M4: 2,465,074 km (0.088 R)
• M5: 3,053,442 km (0.087 R)
• M6: 3,603,065 km (0.12 R)
• M7: 4,388,454 km (0.081 R)
• M8: 5,256,720 km (0.091 R)
• M9: 6,394,711 km (0.103 R)
• M10: 7,909,688 km (0.095 R)
• M11: 10,433,853 km (0.067 R)
• M12: 13,190,343 km (0.085 R)
• M13: 15,567,902 km (0.116 R)
• M14: 17,199,118 km (0.07 R)
• M15: 18,088,477 km (0.079 R)
• M16: 18,544,601 km (0.099 R)
• M17: 18,941,484 km (0.12 R)
• M18: 23,537,280 km (0.113 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 664.7

Radius: 11.3

Gravity: 5.21 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 5.08 AU - 6.1 AU

Year: 4953 Days

Day: 7 Hours

Environment

Temp: -141 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 36,055,231 km

• M1: 144,512 km (0.064 R)
• M2: 534,064 km (0.108 R)
• M3: 1,073,514 km (0.117 R)
• M4: 1,801,607 km (0.096 R)
• M5: 2,763,521 km (0.089 R)
• M6: 3,229,668 km (0.081 R)
• M7: 3,640,165 km (0.112 R)
• M8: 4,592,206 km (0.101 R)
• M9: 5,277,214 km (0.082 R)
• M10: 5,849,576 km (0.073 R)
• M11: 6,243,617 km (0.11 R)
• M12: 6,818,372 km (0.057 R)
• M13: 7,463,139 km (0.105 R)
• M14: 8,525,134 km (0.111 R)
• M15: 8,953,283 km (0.086 R)
• M16: 9,436,783 km (0.091 R)
• M17: 10,544,406 km (0.091 R)
• M18: 11,360,612 km (0.095 R)
• M19: 13,638,090 km (0.045 R)
• M20: 15,563,564 km (0.064 R)
• M21: 16,923,708 km (0.119 R)
• M22: 17,726,749 km (0.091 R)
• M23: 18,297,316 km (0.072 R)
• M24: 19,342,107 km (0.085 R)
• M25: 24,697,112 km (0.116 R)
• M26: 25,489,084 km (0.117 R)
• M27: 25,972,434 km (0.087 R)
• M28: 27,712,407 km (0.033 R)
• M29: 28,137,863 km (0.066 R)
• M30: 28,827,809 km (0.051 R)

Planet 8 - Gas Giant

Semi-Major Axis: 9.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 223.3

Radius: 14.4

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 9.11 AU - 10.41 AU

Year: 11426 Days

Day: 10.1 Hours

Environment

Temp: -187 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 36,055,231 km

• M1: 179,517 km (0.094 R)
• M2: 687,552 km (0.087 R)
• M3: 1,157,439 km (0.081 R)
• M4: 2,423,934 km (0.092 R)
• M5: 3,214,409 km (0.04 R)
• M6: 4,072,802 km (0.1 R)
• M7: 5,282,002 km (0.101 R)
• M8: 6,115,411 km (0.099 R)
• M9: 6,999,535 km (0.115 R)
• M10: 8,483,546 km (0.079 R)
• M11: 9,583,838 km (0.105 R)
• M12: 10,214,543 km (0.078 R)
• M13: 12,170,834 km (0.119 R)
• M14: 15,803,818 km (0.032 R)
• M15: 16,943,604 km (0.113 R)
• M16: 18,341,746 km (0.062 R)
• M17: 18,824,648 km (0.093 R)
• M18: 23,722,333 km (0.118 R)
• M19: 31,133,112 km (0.093 R)
• M20: 34,256,416 km (0.063 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 174 - 16,654 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit