🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.76 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.64

Radius: 1.47

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 0.61 AU - 0.91 AU

Year: 281 Days

Day: 39.2 Hours

Environment

Temp: 8 °C

Axial Tilt: 21.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.68

Radius: 1.23

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 1.11 AU - 1.33 AU

Year: 572 Days

Day: 39.4 Hours

Environment

Temp: -65 °C

Axial Tilt: 38.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 27,289,072 km

• M1: 923,916 km (0.089 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.87

Radius: 1.88

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 1.13 AU - 1.45 AU

Year: 622 Days

Day: 40.8 Hours

Environment

Temp: -72 °C

Axial Tilt: 7.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.91

Radius: 0.96

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 1.53 AU - 1.97 AU

Year: 983 Days

Day: 47.4 Hours

Environment

Temp: -109 °C

Axial Tilt: 42.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 27,289,072 km

• M1: 23,786 km (0.052 R)
• M2: 681,269 km (0.099 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.33

Radius: 1.62

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 1.64 AU - 2.16 AU

Year: 1112 Days

Day: 16 Hours

Environment

Temp: -108 °C

Axial Tilt: 14.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 27,289,072 km

• M1: 38,147 km (0.069 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.44 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.57

Radius: 0.8

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 2.19 AU - 2.69 AU

Year: 1618 Days

Day: 43.3 Hours

Environment

Temp: -123 °C

Axial Tilt: 29.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.97 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 3.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 348.8

Radius: 10.7

Gravity: 3.05 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 3.29 AU - 3.71 AU

Year: 2780 Days

Day: 11.3 Hours

Environment

Temp: -152 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 27,289,072 km

• M1: 133,292 km (0.114 R)
• M2: 476,768 km (0.113 R)
• M3: 906,563 km (0.118 R)
• M4: 1,392,158 km (0.091 R)
• M5: 1,822,850 km (0.102 R)
• M6: 2,341,955 km (0.047 R)
• M7: 2,722,232 km (0.104 R)
• M8: 3,696,414 km (0.03 R)
• M9: 4,119,177 km (0.117 R)
• M10: 4,888,858 km (0.05 R)
• M11: 5,399,586 km (0.113 R)
• M12: 5,799,610 km (0.087 R)
• M13: 6,901,099 km (0.068 R)
• M14: 7,955,914 km (0.088 R)
• M15: 8,506,434 km (0.104 R)
• M16: 9,615,702 km (0.04 R)
• M17: 12,040,534 km (0.102 R)
• M18: 13,607,871 km (0.078 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 201.3

Radius: 9.4

Gravity: 2.28 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 4.34 AU - 4.96 AU

Year: 4257 Days

Day: 12.7 Hours

Environment

Temp: -162 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 27,289,072 km

• M1: 123,867 km (0.113 R)
• M2: 481,406 km (0.05 R)
• M3: 918,531 km (0.096 R)
• M4: 1,531,583 km (0.061 R)
• M5: 1,883,886 km (0.096 R)
• M6: 2,224,969 km (0.116 R)
• M7: 3,147,090 km (0.041 R)
• M8: 3,778,244 km (0.113 R)
• M9: 4,144,160 km (0.048 R)
• M10: 4,597,292 km (0.096 R)
• M11: 5,726,158 km (0.089 R)
• M12: 9,781,158 km (0.116 R)
• M13: 10,288,444 km (0.058 R)
• M14: 10,851,381 km (0.047 R)
• M15: 12,327,762 km (0.067 R)
• M16: 14,716,391 km (0.103 R)
• M17: 17,981,514 km (0.105 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 468.3

Radius: 13.4

Gravity: 2.61 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 5.23 AU - 5.39 AU

Year: 5195 Days

Day: 7.5 Hours

Environment

Temp: -168 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 27,289,072 km

• M1: 166,652 km (0.105 R)
• M2: 787,932 km (0.081 R)
• M3: 1,442,572 km (0.086 R)
• M4: 2,219,434 km (0.098 R)
• M5: 2,858,666 km (0.082 R)
• M6: 3,338,127 km (0.061 R)
• M7: 4,024,482 km (0.057 R)
• M8: 4,803,288 km (0.068 R)
• M9: 6,414,158 km (0.049 R)
• M10: 6,852,031 km (0.082 R)
• M11: 7,478,547 km (0.054 R)
• M12: 8,106,858 km (0.09 R)
• M13: 8,770,325 km (0.043 R)
• M14: 11,336,527 km (0.074 R)
• M15: 13,387,364 km (0.09 R)
• M16: 14,053,374 km (0.117 R)
• M17: 16,127,698 km (0.091 R)
• M18: 16,882,120 km (0.09 R)
• M19: 18,026,843 km (0.057 R)
• M20: 19,741,833 km (0.078 R)
• M21: 20,876,084 km (0.097 R)
• M22: 21,355,545 km (0.051 R)
• M23: 22,479,025 km (0.12 R)
• M24: 24,313,095 km (0.064 R)
• M25: 26,643,381 km (0.091 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: 172 - 17,974 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit