🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.9 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.37

Radius: 1.41

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 0.78 AU - 1.02 AU

Year: 325 Days

Day: 34.1 Hours

Environment

Temp: 28 °C

Axial Tilt: 5.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 104,289,440 km

• M1: 147,055 km (0.04 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.4

Radius: 1.63

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 1.29 AU - 1.35 AU

Year: 578 Days

Day: 30.4 Hours

Environment

Temp: -40 °C

Axial Tilt: 31.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.91

Radius: 1.73

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 1.08 AU - 1.78 AU

Year: 651 Days

Day: 21.7 Hours

Environment

Temp: -57 °C

Axial Tilt: 47.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.42 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.19

Radius: 1.37

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 3.01 AU - 3.83 AU

Year: 2408 Days

Day: 22.4 Hours

Environment

Temp: -116 °C

Axial Tilt: 18 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 104,289,440 km

• M1: 143,913 km (0.063 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.46 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.61

Radius: 1.21

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 3.24 AU - 3.68 AU

Year: 2451 Days

Day: 27.9 Hours

Environment

Temp: -117 °C

Axial Tilt: 14.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 104,289,440 km

• M1: 1,090,269 km (0.091 R)

Asteroid Belt

Center: 3.84 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 4.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 243.4

Radius: 14.1

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 3.91 AU - 4.53 AU

Year: 3301 Days

Day: 14.5 Hours

Environment

Temp: -137 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 104,289,440 km

• M1: 175,329 km (0.097 R)
• M2: 691,142 km (0.083 R)
• M3: 1,178,981 km (0.066 R)
• M4: 1,706,313 km (0.108 R)
• M5: 2,168,421 km (0.058 R)
• M6: 2,757,837 km (0.087 R)
• M7: 3,321,372 km (0.115 R)
• M8: 5,514,028 km (0.057 R)
• M9: 6,137,701 km (0.09 R)
• M10: 6,754,942 km (0.104 R)
• M11: 7,584,462 km (0.12 R)
• M12: 8,419,219 km (0.109 R)
• M13: 9,447,255 km (0.11 R)
• M14: 11,332,039 km (0.114 R)
• M15: 14,367,380 km (0.054 R)
• M16: 15,365,646 km (0.108 R)

Planet 7 - Gas Giant

Semi-Major Axis: 6.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 812.7

Radius: 14.3

Gravity: 3.97 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 5.59 AU - 8.03 AU

Year: 6767 Days

Day: 11.2 Hours

Environment

Temp: -159 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 104,289,440 km

• M1: 178,021 km (0.026 R)
• M2: 639,381 km (0.095 R)
• M3: 1,088,624 km (0.095 R)
• M4: 1,979,329 km (0.088 R)
• M5: 2,434,556 km (0.06 R)
• M6: 3,083,212 km (0.067 R)
• M7: 3,894,033 km (0.076 R)
• M8: 4,758,559 km (0.091 R)
• M9: 5,403,625 km (0.063 R)
• M10: 6,040,313 km (0.05 R)
• M11: 12,968,490 km (0.11 R)
• M12: 13,475,627 km (0.102 R)
• M13: 14,892,917 km (0.116 R)
• M14: 17,883,977 km (0.036 R)
• M15: 20,337,980 km (0.082 R)
• M16: 22,280,060 km (0.106 R)
• M17: 23,586,348 km (0.111 R)
• M18: 24,513,556 km (0.098 R)
• M19: 27,997,840 km (0.101 R)
• M20: 29,907,158 km (0.087 R)
• M21: 31,799,870 km (0.116 R)
• M22: 33,877,335 km (0.105 R)
• M23: 35,057,812 km (0.1 R)

Planet 8 - Gas Giant

Semi-Major Axis: 8.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 249.1

Radius: 13.7

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 8.65 AU - 9.13 AU

Year: 10094 Days

Day: 7.3 Hours

Environment

Temp: -167 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 104,289,440 km

• M1: 170,392 km (0.064 R)
• M2: 609,312 km (0.078 R)
• M3: 1,335,460 km (0.11 R)
• M4: 2,412,415 km (0.119 R)
• M5: 3,128,391 km (0.105 R)
• M6: 10,153,806 km (0.084 R)
• M7: 12,903,265 km (0.107 R)
• M8: 13,333,060 km (0.038 R)
• M9: 15,327,050 km (0.053 R)
• M10: 17,512,974 km (0.046 R)
• M11: 20,042,225 km (0.064 R)
• M12: 29,448,191 km (0.11 R)
• M13: 32,215,004 km (0.084 R)
• M14: 34,119,235 km (0.026 R)

Planet 9 - Ice Giant

Semi-Major Axis: 12.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 427.6

Radius: 5.4

Gravity: 14.66 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 11.66 AU - 13.96 AU

Year: 17459 Days

Day: 17.9 Hours

Environment

Temp: -190 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 104,289,440 km

• M1: 68,965 km (0.101 R)
• M2: 244,293 km (0.099 R)
• M3: 436,676 km (0.114 R)
• M4: 616,642 km (0.093 R)
• M5: 817,702 km (0.083 R)
• M6: 2,378,457 km (0.092 R)
• M7: 2,952,164 km (0.08 R)
• M8: 3,271,556 km (0.069 R)
• M9: 3,613,686 km (0.078 R)
• M10: 4,096,588 km (0.116 R)
• M11: 4,686,303 km (0.101 R)
• M12: 5,582,394 km (0.095 R)
• M13: 6,109,727 km (0.094 R)
• M14: 6,345,642 km (0.032 R)
• M15: 7,753,508 km (0.03 R)
• M16: 9,992,091 km (0.109 R)
• M17: 12,067,312 km (0.096 R)
• M18: 16,360,472 km (0.087 R)
• M19: 17,831,468 km (0.1 R)
• M20: 21,481,805 km (0.059 R)
• M21: 25,804,137 km (0.092 R)
• M22: 30,216,676 km (0.06 R)
• M23: 31,714,300 km (0.068 R)
• M24: 35,357,756 km (0.067 R)
• M25: 36,760,685 km (0.115 R)
• M26: 44,043,259 km (0.119 R)
• M27: 47,329,026 km (0.092 R)
• M28: 58,159,463 km (0.04 R)

Planet 10 - Ice Giant

Semi-Major Axis: 17.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 954.5

Radius: 6

Gravity: 26.51 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 13.08 AU - 21.34 AU

Year: 27187 Days

Day: 18.8 Hours

Environment

Temp: -197 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 104,289,440 km

• M1: 74,649 km (0.12 R)
• M2: 288,125 km (0.044 R)
• M3: 1,039,705 km (0.061 R)
• M4: 1,570,030 km (0.099 R)
• M5: 2,362,300 km (0.059 R)
• M6: 2,616,317 km (0.103 R)
• M7: 2,832,486 km (0.03 R)
• M8: 3,089,944 km (0.084 R)
• M9: 4,896,488 km (0.081 R)
• M10: 5,142,277 km (0.118 R)
• M11: 5,614,408 km (0.097 R)
• M12: 6,497,335 km (0.11 R)
• M13: 7,362,758 km (0.067 R)
• M14: 7,631,436 km (0.104 R)
• M15: 9,134,895 km (0.12 R)
• M16: 12,486,186 km (0.117 R)
• M17: 12,945,751 km (0.062 R)
• M18: 13,656,341 km (0.11 R)
• M19: 15,241,181 km (0.088 R)
• M20: 15,589,744 km (0.108 R)
• M21: 17,794,368 km (0.111 R)
• M22: 18,083,839 km (0.094 R)
• M23: 18,573,174 km (0.041 R)
• M24: 22,137,792 km (0.109 R)
• M25: 26,884,832 km (0.049 R)
• M26: 31,559,167 km (0.086 R)
• M27: 36,903,401 km (0.096 R)
• M28: 44,925,437 km (0.089 R)
• M29: 60,311,728 km (0.04 R)
• M30: 67,057,246 km (0.075 R)
• M31: 69,651,273 km (0.115 R)
• M32: 70,610,943 km (0.082 R)
• M33: 71,094,144 km (0.063 R)
• M34: 76,554,766 km (0.091 R)
• M35: 83,360,870 km (0.105 R)
• M36: 97,860,793 km (0.096 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 325 - 17,638 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit