🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.24 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.69

Radius: 0.86

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 1.03 AU - 1.45 AU

Year: 507 Days

Day: 39.5 Hours

Environment

Temp: -3 °C

Axial Tilt: 132.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.64

Radius: 1.68

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 1.64 AU - 1.92 AU

Year: 872 Days

Day: 13.9 Hours

Environment

Temp: -55 °C

Axial Tilt: 35.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.26 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.16

Radius: 0.48

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 1.94 AU - 2.58 AU

Year: 1247 Days

Day: 41 Hours

Environment

Temp: -75 °C

Axial Tilt: 36.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.22

Radius: 0.55

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 2.39 AU - 2.77 AU

Year: 1521 Days

Day: 43 Hours

Environment

Temp: -82 °C

Axial Tilt: 16.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.16 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.23

Radius: 1.38

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 3.55 AU - 4.77 AU

Year: 3115 Days

Day: 31.2 Hours

Environment

Temp: -129 °C

Axial Tilt: 1.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.58 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 315

Radius: 12.4

Gravity: 2.05 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 3.97 AU - 6.03 AU

Year: 4104 Days

Day: 6 Hours

Environment

Temp: -133 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 66,200,579 km

• M1: 156,330 km (0.097 R)
• M2: 923,468 km (0.06 R)
• M3: 1,403,976 km (0.096 R)
• M4: 2,026,902 km (0.078 R)
• M5: 2,584,004 km (0.082 R)
• M6: 3,190,324 km (0.115 R)
• M7: 4,255,760 km (0.045 R)
• M8: 4,825,279 km (0.067 R)
• M9: 5,697,585 km (0.058 R)
• M10: 6,700,638 km (0.095 R)
• M11: 7,350,940 km (0.103 R)
• M12: 8,042,830 km (0.112 R)
• M13: 9,091,212 km (0.065 R)
• M14: 11,791,155 km (0.108 R)
• M15: 14,449,958 km (0.073 R)
• M16: 19,474,800 km (0.108 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 61.3

Radius: 4.2

Gravity: 3.48 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 13.26 AU - 17.26 AU

Year: 21883 Days

Day: 21.7 Hours

Environment

Temp: -184 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 66,200,579 km

• M1: 55,501 km (0.118 R)
• M2: 319,840 km (0.064 R)
• M3: 650,601 km (0.105 R)
• M4: 1,076,057 km (0.033 R)
• M5: 1,302,399 km (0.117 R)
• M6: 1,586,186 km (0.111 R)
• M7: 2,961,439 km (0.041 R)
• M8: 6,288,047 km (0.109 R)
• M9: 10,568,790 km (0.095 R)
• M10: 10,856,916 km (0.033 R)
• M11: 13,577,204 km (0.108 R)
• M12: 17,641,778 km (0.112 R)
• M13: 21,516,662 km (0.104 R)
• M14: 28,612,089 km (0.091 R)
• M15: 32,986,330 km (0.064 R)
• M16: 35,172,105 km (0.107 R)
• M17: 35,813,880 km (0.055 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 445.5

Radius: 4.5

Gravity: 22 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 14.95 AU - 19.15 AU

Year: 25844 Days

Day: 18.2 Hours

Environment

Temp: -198 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 66,200,579 km

• M1: 87,664 km (0.089 R)
• M2: 243,994 km (0.067 R)
• M3: 994,527 km (0.075 R)
• M4: 1,735,036 km (0.112 R)
• M5: 2,616,916 km (0.101 R)
• M6: 4,210,432 km (0.101 R)
• M7: 5,286,190 km (0.084 R)
• M8: 7,083,160 km (0.055 R)
• M9: 13,488,941 km (0.093 R)
• M10: 15,782,725 km (0.112 R)
• M11: 16,188,734 km (0.073 R)
• M12: 17,970,295 km (0.09 R)
• M13: 18,323,944 km (0.096 R)
• M14: 23,247,210 km (0.099 R)
• M15: 23,666,982 km (0.064 R)
• M16: 33,291,361 km (0.097 R)
• M17: 46,875,894 km (0.099 R)
• M18: 55,897,843 km (0.054 R)
• M19: 66,640,466 km (0.087 R)
• M20: 72,270,432 km (0.089 R)

Planet 9 - Ice Giant

Semi-Major Axis: 17.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 250.3

Radius: 7.9

Gravity: 4.01 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 14.45 AU - 20.53 AU

Year: 26851 Days

Day: 16.3 Hours

Environment

Temp: -198 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 66,200,579 km

• M1: 98,735 km (0.098 R)
• M2: 509,979 km (0.107 R)
• M3: 802,144 km (0.096 R)
• M4: 2,325,798 km (0.101 R)
• M5: 4,856,994 km (0.116 R)
• M6: 5,244,602 km (0.088 R)
• M7: 5,501,910 km (0.107 R)
• M8: 6,081,752 km (0.118 R)
• M9: 6,744,470 km (0.107 R)
• M10: 7,182,493 km (0.053 R)
• M11: 15,700,297 km (0.09 R)
• M12: 16,469,978 km (0.081 R)
• M13: 19,801,821 km (0.11 R)
• M14: 21,066,821 km (0.061 R)
• M15: 22,002,855 km (0.095 R)
• M16: 27,651,820 km (0.096 R)
• M17: 28,659,810 km (0.105 R)
• M18: 30,748,945 km (0.076 R)
• M19: 41,124,754 km (0.117 R)
• M20: 41,704,595 km (0.068 R)
• M21: 41,996,461 km (0.082 R)
• M22: 50,902,919 km (0.1 R)
• M23: 52,076,515 km (0.037 R)
• M24: 53,439,800 km (0.113 R)
• M25: 63,463,007 km (0.085 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 512 - 20,265 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit