🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.54

Radius: 1.66

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 0.44 AU - 0.72 AU

Year: 161 Days

Day: 20.7 Hours

Environment

Temp: 214 °C

Axial Tilt: 9.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.11 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.06

Radius: 1.34

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 0.87 AU - 1.35 AU

Year: 425 Days

Day: 34.4 Hours

Environment

Temp: 19 °C

Axial Tilt: 30 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.15 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.38

Radius: 1.63

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.88 AU - 1.42 AU

Year: 448 Days

Day: 22.6 Hours

Environment

Temp: 15 °C

Axial Tilt: 8.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.26

Radius: 1.1

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 1.28 AU - 1.84 AU

Year: 708 Days

Day: 37.5 Hours

Environment

Temp: -48 °C

Axial Tilt: 21.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.42

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 2.82 AU - 4.36 AU

Year: 2472 Days

Day: 18.9 Hours

Environment

Temp: -121 °C

Axial Tilt: 1.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.75 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 96.4

Radius: 11.5

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 5.36 AU - 6.44 AU

Year: 5208 Days

Day: 14 Hours

Environment

Temp: -151 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 64,243,289 km

• M1: 143,764 km (0.077 R)
• M2: 642,972 km (0.083 R)
• M3: 1,006,943 km (0.053 R)
• M4: 2,418,399 km (0.095 R)
• M5: 3,296,539 km (0.114 R)
• M6: 3,702,996 km (0.1 R)
• M7: 5,128,664 km (0.065 R)
• M8: 8,770,923 km (0.094 R)
• M9: 10,676,950 km (0.1 R)
• M10: 15,107,141 km (0.084 R)

Planet 7 - Gas Giant

Semi-Major Axis: 6.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 428

Radius: 13.5

Gravity: 2.35 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 4.77 AU - 7.65 AU

Year: 5624 Days

Day: 9.8 Hours

Environment

Temp: -155 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 64,243,289 km

• M1: 167,849 km (0.116 R)
• M2: 672,742 km (0.09 R)
• M3: 1,562,251 km (0.085 R)
• M4: 2,011,493 km (0.093 R)
• M5: 2,799,425 km (0.082 R)
• M6: 3,473,214 km (0.074 R)
• M7: 4,441,561 km (0.11 R)
• M8: 5,280,506 km (0.074 R)
• M9: 6,073,075 km (0.114 R)
• M10: 8,894,341 km (0.097 R)
• M11: 15,136,612 km (0.119 R)
• M12: 17,575,207 km (0.084 R)
• M13: 18,380,342 km (0.091 R)
• M14: 21,358,686 km (0.09 R)
• M15: 21,778,757 km (0.04 R)

Planet 8 - Gas Giant

Semi-Major Axis: 8.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 773.2

Radius: 12.5

Gravity: 4.95 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 6.6 AU - 10.4 AU

Year: 9007 Days

Day: 12.1 Hours

Environment

Temp: -161 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 64,243,289 km

• M1: 155,731 km (0.091 R)
• M2: 1,109,717 km (0.059 R)
• M3: 1,661,284 km (0.116 R)
• M4: 2,077,017 km (0.094 R)
• M5: 5,221,863 km (0.048 R)
• M6: 5,816,066 km (0.068 R)
• M7: 7,061,767 km (0.082 R)
• M8: 8,433,879 km (0.079 R)
• M9: 9,538,211 km (0.067 R)
• M10: 15,000,777 km (0.092 R)
• M11: 19,106,490 km (0.105 R)
• M12: 20,199,452 km (0.058 R)
• M13: 23,996,097 km (0.112 R)
• M14: 25,920,673 km (0.108 R)
• M15: 27,357,112 km (0.084 R)
• M16: 35,692,556 km (0.049 R)
• M17: 39,428,314 km (0.079 R)
• M18: 43,550,035 km (0.032 R)

Planet 9 - Gas Giant

Semi-Major Axis: 11.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 856.2

Radius: 9

Gravity: 10.57 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 9.93 AU - 12.75 AU

Year: 13879 Days

Day: 10.7 Hours

Environment

Temp: -170 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 64,243,289 km

• M1: 498,610 km (0.049 R)
• M2: 872,006 km (0.097 R)
• M3: 1,475,035 km (0.111 R)
• M4: 2,395,660 km (0.069 R)
• M5: 2,814,684 km (0.111 R)
• M6: 3,230,416 km (0.113 R)
• M7: 5,687,412 km (0.089 R)
• M8: 5,994,985 km (0.096 R)
• M9: 6,395,010 km (0.077 R)
• M10: 10,436,396 km (0.107 R)
• M11: 12,431,583 km (0.112 R)
• M12: 13,083,231 km (0.111 R)
• M13: 13,757,619 km (0.062 R)
• M14: 15,322,412 km (0.069 R)
• M15: 15,694,013 km (0.114 R)
• M16: 17,724,057 km (0.079 R)
• M17: 19,400,301 km (0.058 R)
• M18: 20,544,874 km (0.094 R)
• M19: 23,553,586 km (0.078 R)
• M20: 27,602,602 km (0.031 R)
• M21: 29,848,665 km (0.088 R)
• M22: 37,717,064 km (0.114 R)
• M23: 46,863,627 km (0.11 R)
• M24: 52,869,982 km (0.078 R)

Kuiper Belt

Range: 30.2 - 46.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 171 - 19,295 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit