🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.77 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.52

Radius: 1.65

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 0.67 AU - 0.87 AU

Year: 241 Days

Day: 28.3 Hours

Environment

Temp: 128 °C

Axial Tilt: 22.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.37 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.73

Radius: 1.86

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 1.18 AU - 1.56 AU

Year: 572 Days

Day: 20.8 Hours

Environment

Temp: 4 °C

Axial Tilt: 32.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.47

Radius: 1.64

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 1.28 AU - 1.98 AU

Year: 742 Days

Day: 47.9 Hours

Environment

Temp: -32 °C

Axial Tilt: 2.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.71 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.83

Radius: 1.27

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 2.08 AU - 3.34 AU

Year: 1590 Days

Day: 41.4 Hours

Environment

Temp: -89 °C

Axial Tilt: 37.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.17 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.62

Radius: 1.21

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 3.24 AU - 5.1 AU

Year: 3035 Days

Day: 40.3 Hours

Environment

Temp: -122 °C

Axial Tilt: 25.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 87,553,388 km

• M1: 2,699,942 km (0.105 R)

Asteroid Belt

Center: 4.76 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 737.8

Radius: 13.4

Gravity: 4.11 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 4.62 AU - 6.06 AU

Year: 4399 Days

Day: 7.1 Hours

Environment

Temp: -128 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 87,553,388 km

• M1: 167,101 km (0.085 R)
• M2: 624,122 km (0.03 R)
• M3: 1,058,106 km (0.088 R)
• M4: 1,778,868 km (0.111 R)
• M5: 2,335,372 km (0.082 R)
• M6: 2,775,489 km (0.106 R)
• M7: 3,194,363 km (0.11 R)
• M8: 3,826,714 km (0.12 R)
• M9: 5,074,958 km (0.056 R)
• M10: 5,650,312 km (0.069 R)
• M11: 6,208,012 km (0.073 R)
• M12: 6,964,978 km (0.08 R)
• M13: 7,782,680 km (0.096 R)
• M14: 8,971,534 km (0.076 R)
• M15: 9,407,013 km (0.087 R)
• M16: 9,981,918 km (0.111 R)
• M17: 13,884,926 km (0.111 R)
• M18: 16,261,887 km (0.06 R)
• M19: 16,732,372 km (0.116 R)
• M20: 17,577,600 km (0.062 R)
• M21: 18,834,222 km (0.115 R)
• M22: 20,488,176 km (0.097 R)
• M23: 22,671,258 km (0.048 R)
• M24: 24,235,603 km (0.053 R)
• M25: 26,919,389 km (0.043 R)
• M26: 27,412,763 km (0.107 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 289.1

Radius: 11.5

Gravity: 2.19 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 8.07 AU - 9.57 AU

Year: 9337 Days

Day: 11.9 Hours

Environment

Temp: -172 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 87,553,388 km

• M1: 143,016 km (0.099 R)
• M2: 1,686,267 km (0.11 R)
• M3: 3,322,569 km (0.048 R)
• M4: 5,264,050 km (0.058 R)
• M5: 6,713,504 km (0.06 R)
• M6: 8,177,020 km (0.034 R)
• M7: 12,384,909 km (0.049 R)
• M8: 12,750,526 km (0.114 R)
• M9: 13,285,488 km (0.111 R)
• M10: 19,070,886 km (0.084 R)
• M11: 20,415,621 km (0.101 R)
• M12: 22,743,963 km (0.114 R)
• M13: 23,691,067 km (0.115 R)
• M14: 27,389,575 km (0.11 R)
• M15: 30,215,479 km (0.062 R)
• M16: 31,071,029 km (0.083 R)
• M17: 32,236,845 km (0.113 R)

Planet 8 - Gas Giant

Semi-Major Axis: 10.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 132.3

Radius: 8.7

Gravity: 1.75 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 8.25 AU - 13.31 AU

Year: 12616 Days

Day: 5.9 Hours

Environment

Temp: -181 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 87,553,388 km

• M1: 128,654 km (0.104 R)
• M2: 437,723 km (0.111 R)
• M3: 1,005,148 km (0.068 R)
• M4: 1,514,379 km (0.095 R)
• M5: 2,187,121 km (0.048 R)
• M6: 3,145,295 km (0.116 R)
• M7: 4,881,079 km (0.06 R)
• M8: 5,861,843 km (0.112 R)
• M9: 7,498,593 km (0.08 R)
• M10: 8,055,546 km (0.079 R)
• M11: 11,214,604 km (0.099 R)
• M12: 13,439,873 km (0.084 R)
• M13: 14,039,162 km (0.107 R)
• M14: 16,004,579 km (0.114 R)
• M15: 19,149,724 km (0.106 R)
• M16: 20,330,949 km (0.098 R)
• M17: 20,687,291 km (0.069 R)
• M18: 23,690,768 km (0.1 R)
• M19: 25,543,238 km (0.108 R)
• M20: 27,664,237 km (0.117 R)
• M21: 29,899,827 km (0.108 R)

Planet 9 - Ice Giant

Semi-Major Axis: 16.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 787.3

Radius: 6.5

Gravity: 18.63 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 13.81 AU - 18.39 AU

Year: 23027 Days

Day: 24.8 Hours

Environment

Temp: -189 °C

Axial Tilt: 46.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 87,553,388 km

• M1: 432,487 km (0.03 R)
• M2: 801,845 km (0.077 R)
• M3: 1,117,646 km (0.101 R)
• M4: 2,127,132 km (0.103 R)
• M5: 5,637,147 km (0.106 R)
• M6: 8,875,791 km (0.108 R)
• M7: 10,690,114 km (0.116 R)
• M8: 11,212,959 km (0.069 R)
• M9: 13,550,725 km (0.108 R)
• M10: 14,793,434 km (0.113 R)
• M11: 16,971,878 km (0.066 R)
• M12: 22,690,257 km (0.038 R)
• M13: 35,814,927 km (0.032 R)
• M14: 38,176,778 km (0.097 R)
• M15: 38,935,688 km (0.035 R)
• M16: 45,372,585 km (0.094 R)
• M17: 47,259,463 km (0.031 R)
• M18: 55,138,035 km (0.103 R)
• M19: 56,302,505 km (0.061 R)
• M20: 58,479,902 km (0.102 R)
• M21: 69,761,227 km (0.068 R)
• M22: 74,604,907 km (0.115 R)
• M23: 78,442,391 km (0.061 R)
• M24: 82,661,650 km (0.081 R)

Kuiper Belt

Range: 30.8 - 47.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 295 - 19,747 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit