🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.06

Radius: 1.56

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.46 AU - 0.76 AU

Year: 211 Days

Day: 36.3 Hours

Environment

Temp: 18 °C

Axial Tilt: 19.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.14

Radius: 1.58

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 0.53 AU - 0.77 AU

Year: 232 Days

Day: 27.1 Hours

Environment

Temp: -6 °C

Axial Tilt: 29.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 26,387,168 km

• M1: 46,375 km (0.076 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.26 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.66

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 2.17 AU - 2.35 AU

Year: 1505 Days

Day: 33.6 Hours

Environment

Temp: -140 °C

Axial Tilt: 33.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 26,387,168 km

• M1: 139,874 km (0.099 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.41 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.92

Radius: 1.3

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 2.32 AU - 2.5 AU

Year: 1657 Days

Day: 43.2 Hours

Environment

Temp: -145 °C

Axial Tilt: 4.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.69 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 2.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 220.1

Radius: 14.4

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 2.25 AU - 3.67 AU

Year: 2256 Days

Day: 10.9 Hours

Environment

Temp: -143 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 26,387,168 km

• M1: 179,667 km (0.11 R)
• M2: 706,252 km (0.053 R)
• M3: 1,615,358 km (0.112 R)
• M4: 2,087,489 km (0.087 R)
• M5: 3,008,264 km (0.111 R)
• M6: 3,981,248 km (0.109 R)
• M7: 4,432,884 km (0.047 R)
• M8: 5,955,192 km (0.093 R)
• M9: 7,749,918 km (0.063 R)
• M10: 9,241,408 km (0.114 R)
• M11: 10,950,415 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 166.9

Radius: 12.6

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 2.78 AU - 3.26 AU

Year: 2325 Days

Day: 8.7 Hours

Environment

Temp: -145 °C

Axial Tilt: 173.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 26,387,168 km

• M1: 157,227 km (0.111 R)
• M2: 607,068 km (0.099 R)
• M3: 1,229,096 km (0.12 R)
• M4: 1,963,472 km (0.077 R)
• M5: 2,579,666 km (0.028 R)
• M6: 4,034,655 km (0.092 R)
• M7: 4,427,798 km (0.042 R)
• M8: 5,272,278 km (0.109 R)
• M9: 10,856,168 km (0.068 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 467.7

Radius: 11.5

Gravity: 3.54 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 2.95 AU - 3.59 AU

Year: 2619 Days

Day: 5.3 Hours

Environment

Temp: -147 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 26,387,168 km

• M1: 143,165 km (0.071 R)
• M2: 683,662 km (0.118 R)
• M3: 1,264,551 km (0.105 R)
• M4: 1,810,882 km (0.054 R)
• M5: 2,469,861 km (0.061 R)
• M6: 2,841,163 km (0.077 R)
• M7: 3,283,075 km (0.083 R)
• M8: 3,770,614 km (0.105 R)
• M9: 4,489,133 km (0.075 R)
• M10: 5,296,662 km (0.116 R)
• M11: 6,301,810 km (0.103 R)
• M12: 6,891,376 km (0.096 R)
• M13: 7,400,906 km (0.081 R)
• M14: 8,949,094 km (0.088 R)
• M15: 9,418,981 km (0.039 R)
• M16: 10,047,292 km (0.112 R)
• M17: 10,815,328 km (0.116 R)
• M18: 11,701,097 km (0.06 R)
• M19: 12,718,063 km (0.094 R)
• M20: 14,880,650 km (0.107 R)
• M21: 15,303,114 km (0.084 R)
• M22: 15,781,827 km (0.067 R)
• M23: 16,270,414 km (0.102 R)

Planet 8 - Gas Giant

Semi-Major Axis: 6.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 195.1

Radius: 14.9

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 5.51 AU - 8.17 AU

Year: 7924 Days

Day: 12.2 Hours

Environment

Temp: -192 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 26,387,168 km

• M1: 185,501 km (0.096 R)
• M2: 673,190 km (0.104 R)
• M3: 1,211,743 km (0.111 R)
• M4: 3,340,520 km (0.114 R)
• M5: 4,021,939 km (0.063 R)
• M6: 6,007,252 km (0.088 R)
• M7: 6,546,253 km (0.054 R)
• M8: 8,107,905 km (0.109 R)
• M9: 8,692,683 km (0.082 R)
• M10: 9,227,496 km (0.118 R)
• M11: 9,784,150 km (0.077 R)
• M12: 11,773,352 km (0.067 R)
• M13: 13,010,527 km (0.119 R)
• M14: 13,865,329 km (0.11 R)
• M15: 17,243,847 km (0.052 R)
• M16: 18,524,256 km (0.103 R)
• M17: 19,155,858 km (0.038 R)
• M18: 21,687,951 km (0.066 R)
• M19: 22,177,735 km (0.049 R)
• M20: 23,252,147 km (0.071 R)

Planet 9 - Ice Giant

Semi-Major Axis: 12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 395

Radius: 8

Gravity: 6.17 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 9.67 AU - 14.33 AU

Year: 18412 Days

Day: 18.5 Hours

Environment

Temp: -197 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 26,387,168 km

• M1: 99,483 km (0.049 R)
• M2: 600,037 km (0.114 R)
• M3: 1,499,270 km (0.102 R)
• M4: 2,078,662 km (0.117 R)
• M5: 2,891,128 km (0.1 R)
• M6: 3,229,668 km (0.103 R)
• M7: 3,957,761 km (0.112 R)
• M8: 4,890,055 km (0.072 R)
• M9: 5,301,449 km (0.113 R)
• M10: 6,471,604 km (0.079 R)
• M11: 9,732,239 km (0.113 R)
• M12: 10,551,287 km (0.096 R)
• M13: 11,895,125 km (0.116 R)
• M14: 13,283,992 km (0.087 R)
• M15: 14,848,187 km (0.074 R)
• M16: 15,419,950 km (0.113 R)
• M17: 16,080,724 km (0.109 R)
• M18: 19,163,487 km (0.104 R)
• M19: 20,622,814 km (0.054 R)
• M20: 20,976,613 km (0.045 R)
• M21: 21,605,523 km (0.081 R)
• M22: 22,432,650 km (0.075 R)
• M23: 24,642,060 km (0.069 R)
• M24: 30,277,562 km (0.07 R)
• M25: 35,817,620 km (0.116 R)
• M26: 37,629,100 km (0.077 R)
• M27: 38,157,630 km (0.1 R)
• M28: 38,959,773 km (0.098 R)
• M29: 42,280,996 km (0.119 R)
• M30: 45,189,178 km (0.104 R)
• M31: 46,086,915 km (0.108 R)
• M32: 50,915,785 km (0.035 R)
• M33: 51,562,347 km (0.112 R)
• M34: 52,378,403 km (0.055 R)
• M35: 53,037,382 km (0.107 R)

Planet 10 - Ice Giant

Semi-Major Axis: 12.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 32

Radius: 6.8

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 10.26 AU - 14.16 AU

Year: 18898 Days

Day: 17.6 Hours

Environment

Temp: -208 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 26,387,168 km

• M1: 84,672 km (0.103 R)
• M2: 590,912 km (0.109 R)
• M3: 1,091,167 km (0.051 R)
• M4: 1,449,603 km (0.113 R)
• M5: 1,937,442 km (0.047 R)
• M6: 2,264,613 km (0.08 R)
• M7: 3,029,955 km (0.088 R)
• M8: 4,089,707 km (0.116 R)
• M9: 5,967,160 km (0.087 R)
• M10: 9,618,395 km (0.066 R)
• M11: 10,316,718 km (0.065 R)
• M12: 11,225,375 km (0.115 R)
• M13: 12,759,502 km (0.115 R)
• M14: 15,397,510 km (0.061 R)
• M15: 16,409,241 km (0.071 R)
• M16: 19,580,566 km (0.089 R)
• M17: 22,211,095 km (0.09 R)
• M18: 23,355,369 km (0.051 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: 205 - 14,580 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit