🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.31

Radius: 0.63

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 0.48 AU - 0.54 AU

Year: 232 Days

Day: 29.8 Hours

Environment

Temp: -117 °C

Axial Tilt: 21.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 0.81 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 701.5

Radius: 13.7

Gravity: 3.74 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 1.01 AU - 1.19 AU

Year: 734 Days

Day: 5.9 Hours

Environment

Temp: -169 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 70,529,379 km

• M1: 170,392 km (0.067 R)
• M2: 742,155 km (0.109 R)
• M3: 1,170,454 km (0.099 R)
• M4: 1,698,684 km (0.078 R)
• M5: 2,147,477 km (0.046 R)
• M6: 3,028,160 km (0.038 R)
• M7: 3,855,436 km (0.087 R)
• M8: 4,879,733 km (0.118 R)
• M9: 5,447,008 km (0.095 R)
• M10: 6,319,463 km (0.089 R)
• M11: 7,883,209 km (0.052 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 143.4

Radius: 13.6

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 0.85 AU - 1.37 AU

Year: 744 Days

Day: 8.2 Hours

Environment

Temp: -161 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 70,529,379 km

• M1: 169,794 km (0.055 R)
• M2: 639,381 km (0.105 R)
• M3: 1,088,923 km (0.084 R)
• M4: 1,561,054 km (0.08 R)
• M5: 2,557,974 km (0.053 R)
• M6: 3,010,807 km (0.115 R)
• M7: 4,499,006 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 489.4

Radius: 9.1

Gravity: 5.91 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 3.34 AU - 5.56 AU

Year: 5969 Days

Day: 14.4 Hours

Environment

Temp: -219 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 70,529,379 km

• M1: 114,293 km (0.044 R)
• M2: 444,306 km (0.052 R)
• M3: 728,990 km (0.117 R)
• M4: 1,786,947 km (0.11 R)
• M5: 2,852,532 km (0.099 R)
• M6: 4,618,685 km (0.095 R)
• M7: 5,777,021 km (0.117 R)
• M8: 7,789,112 km (0.109 R)
• M9: 8,973,030 km (0.067 R)
• M10: 13,137,685 km (0.06 R)
• M11: 13,662,026 km (0.085 R)
• M12: 15,376,866 km (0.108 R)
• M13: 17,354,999 km (0.084 R)
• M14: 18,502,713 km (0.1 R)
• M15: 22,248,943 km (0.066 R)
• M16: 22,918,843 km (0.116 R)
• M17: 27,056,121 km (0.057 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 694

Radius: 9.1

Gravity: 8.38 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 3.45 AU - 5.53 AU

Year: 6049 Days

Day: 12.8 Hours

Environment

Temp: -204 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 70,529,379 km

• M1: 113,246 km (0.046 R)
• M2: 400,324 km (0.093 R)
• M3: 1,086,978 km (0.08 R)
• M4: 1,462,170 km (0.109 R)
• M5: 2,212,403 km (0.107 R)
• M6: 2,977,446 km (0.026 R)
• M7: 4,639,180 km (0.038 R)
• M8: 5,428,009 km (0.074 R)
• M9: 11,935,816 km (0.08 R)
• M10: 14,020,911 km (0.065 R)
• M11: 15,001,674 km (0.095 R)
• M12: 18,761,219 km (0.119 R)
• M13: 21,715,627 km (0.106 R)
• M14: 27,987,667 km (0.111 R)
• M15: 29,725,546 km (0.115 R)
• M16: 30,478,322 km (0.06 R)
• M17: 31,631,273 km (0.117 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 832.6

Radius: 13.1

Gravity: 4.85 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 5.13 AU - 6.09 AU

Year: 8448 Days

Day: 9.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 70,529,379 km

• M1: 162,912 km (0.075 R)
• M2: 572,810 km (0.103 R)
• M3: 1,162,824 km (0.066 R)
• M4: 1,655,600 km (0.084 R)
• M5: 2,149,721 km (0.094 R)
• M6: 2,565,155 km (0.086 R)
• M7: 3,100,266 km (0.089 R)
• M8: 3,964,493 km (0.108 R)
• M9: 4,654,887 km (0.067 R)
• M10: 5,391,956 km (0.103 R)
• M11: 6,531,144 km (0.095 R)
• M12: 7,992,565 km (0.053 R)
• M13: 8,466,491 km (0.095 R)
• M14: 8,959,267 km (0.066 R)
• M15: 10,707,318 km (0.112 R)
• M16: 11,124,846 km (0.061 R)
• M17: 12,273,009 km (0.091 R)
• M18: 13,378,687 km (0.071 R)
• M19: 24,103,658 km (0.057 R)
• M20: 27,162,336 km (0.097 R)
• M21: 27,843,006 km (0.097 R)
• M22: 36,099,163 km (0.119 R)
• M23: 36,567,853 km (0.102 R)
• M24: 37,637,328 km (0.054 R)
• M25: 39,466,013 km (0.054 R)
• M26: 41,225,732 km (0.118 R)
• M27: 41,995,563 km (0.097 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 18.7

Radius: 5.6

Gravity: 0.6 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 5.91 AU - 8.29 AU

Year: 12029 Days

Day: 15.8 Hours

Environment

Temp: -230 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 70,529,379 km

• M1: 69,713 km (0.101 R)
• M2: 259,702 km (0.082 R)
• M3: 653,743 km (0.119 R)
• M4: 961,615 km (0.088 R)
• M5: 2,089,284 km (0.07 R)
• M6: 2,586,697 km (0.117 R)
• M7: 5,455,984 km (0.113 R)
• M8: 6,111,372 km (0.089 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 635.6

Radius: 7.1

Gravity: 12.61 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 9.33 AU - 9.61 AU

Year: 18529 Days

Day: 24.5 Hours

Environment

Temp: -227 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 70,529,379 km

• M1: 88,263 km (0.085 R)
• M2: 321,336 km (0.113 R)
• M3: 1,202,168 km (0.116 R)
• M4: 1,770,940 km (0.103 R)
• M5: 2,269,101 km (0.069 R)
• M6: 3,108,494 km (0.082 R)
• M7: 6,464,573 km (0.078 R)
• M8: 7,976,259 km (0.082 R)
• M9: 8,274,557 km (0.115 R)
• M10: 8,683,857 km (0.046 R)
• M11: 11,366,147 km (0.065 R)
• M12: 16,473,418 km (0.098 R)
• M13: 17,368,462 km (0.092 R)
• M14: 17,701,916 km (0.09 R)
• M15: 18,902,439 km (0.109 R)
• M16: 20,247,922 km (0.071 R)
• M17: 23,837,822 km (0.115 R)
• M18: 24,457,307 km (0.067 R)
• M19: 27,043,106 km (0.112 R)
• M20: 33,004,581 km (0.066 R)
• M21: 36,561,420 km (0.11 R)
• M22: 40,657,410 km (0.079 R)
• M23: 45,520,837 km (0.031 R)
• M24: 54,939,968 km (0.084 R)
• M25: 55,658,486 km (0.093 R)
• M26: 58,222,893 km (0.107 R)
• M27: 58,969,835 km (0.076 R)
• M28: 62,605,063 km (0.064 R)
• M29: 69,060,511 km (0.098 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: 545 - 19,713 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit