🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.37

Radius: 1.13

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 0.51 AU - 0.55 AU

Year: 253 Days

Day: 23.2 Hours

Environment

Temp: -123 °C

Axial Tilt: 47.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 512.6

Radius: 11.5

Gravity: 3.88 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 0.56 AU - 0.86 AU

Year: 392 Days

Day: 12.3 Hours

Environment

Temp: -147 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 54,521,122 km

• M1: 143,016 km (0.095 R)
• M2: 558,898 km (0.091 R)
• M3: 920,476 km (0.085 R)
• M4: 1,340,846 km (0.113 R)
• M5: 1,861,147 km (0.1 R)
• M6: 2,269,549 km (0.11 R)
• M7: 3,162,798 km (0.109 R)
• M8: 3,678,761 km (0.094 R)
• M9: 4,422,562 km (0.078 R)
• M10: 4,866,269 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 309.5

Radius: 10.5

Gravity: 2.81 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 0.65 AU - 0.95 AU

Year: 469 Days

Day: 5.4 Hours

Environment

Temp: -137 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 54,521,122 km

• M1: 132,245 km (0.099 R)
• M2: 475,572 km (0.076 R)
• M3: 871,856 km (0.042 R)
• M4: 1,317,060 km (0.112 R)
• M5: 2,134,163 km (0.055 R)
• M6: 2,929,575 km (0.107 R)
• M7: 3,501,937 km (0.06 R)
• M8: 4,047,071 km (0.047 R)
• M9: 4,525,784 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 460.4

Radius: 13.9

Gravity: 2.38 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 0.78 AU - 0.98 AU

Year: 542 Days

Day: 13.7 Hours

Environment

Temp: -149 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 54,521,122 km

• M1: 173,085 km (0.048 R)
• M2: 640,129 km (0.034 R)
• M3: 1,107,323 km (0.057 R)
• M4: 1,703,022 km (0.095 R)
• M5: 2,406,431 km (0.1 R)
• M6: 3,061,670 km (0.052 R)
• M7: 3,744,883 km (0.085 R)
• M8: 4,274,011 km (0.074 R)
• M9: 4,883,174 km (0.095 R)
• M10: 5,549,782 km (0.105 R)
• M11: 5,992,442 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 641.8

Radius: 8.4

Gravity: 9.1 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 1.12 AU - 1.46 AU

Year: 961 Days

Day: 5.4 Hours

Environment

Temp: -178 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 54,521,122 km

• M1: 104,419 km (0.118 R)
• M2: 464,053 km (0.043 R)
• M3: 737,069 km (0.095 R)
• M4: 1,070,971 km (0.069 R)
• M5: 1,365,978 km (0.119 R)
• M6: 1,715,588 km (0.093 R)
• M7: 2,303,807 km (0.082 R)
• M8: 2,717,296 km (0.095 R)
• M9: 3,059,276 km (0.056 R)
• M10: 3,487,426 km (0.113 R)
• M11: 3,830,453 km (0.074 R)
• M12: 5,089,918 km (0.087 R)
• M13: 5,552,175 km (0.112 R)
• M14: 5,814,121 km (0.06 R)
• M15: 6,147,874 km (0.065 R)
• M16: 6,494,343 km (0.067 R)
• M17: 6,853,826 km (0.057 R)
• M18: 7,686,638 km (0.104 R)
• M19: 8,243,740 km (0.032 R)
• M20: 8,638,679 km (0.105 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 706.1

Radius: 7.6

Gravity: 12.22 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 5.53 AU - 6.41 AU

Year: 9569 Days

Day: 21.6 Hours

Environment

Temp: -212 °C

Axial Tilt: 42.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 54,521,122 km

• M1: 94,546 km (0.064 R)
• M2: 363,672 km (0.112 R)
• M3: 900,430 km (0.062 R)
• M4: 1,158,037 km (0.112 R)
• M5: 1,617,751 km (0.061 R)
• M6: 2,471,357 km (0.112 R)
• M7: 3,424,146 km (0.1 R)
• M8: 3,930,385 km (0.102 R)
• M9: 4,485,543 km (0.069 R)
• M10: 4,782,195 km (0.084 R)
• M11: 6,173,755 km (0.1 R)
• M12: 9,061,891 km (0.055 R)
• M13: 9,830,076 km (0.106 R)
• M14: 11,661,004 km (0.086 R)
• M15: 12,744,691 km (0.093 R)
• M16: 13,708,102 km (0.067 R)
• M17: 14,144,479 km (0.113 R)
• M18: 15,111,031 km (0.069 R)
• M19: 20,530,961 km (0.1 R)
• M20: 20,938,167 km (0.065 R)
• M21: 24,119,814 km (0.047 R)
• M22: 25,032,062 km (0.093 R)
• M23: 26,828,433 km (0.098 R)
• M24: 27,609,933 km (0.095 R)
• M25: 28,105,999 km (0.109 R)
• M26: 35,106,880 km (0.111 R)
• M27: 35,689,115 km (0.069 R)
• M28: 36,277,633 km (0.045 R)
• M29: 40,072,782 km (0.104 R)
• M30: 40,453,508 km (0.112 R)
• M31: 40,964,983 km (0.083 R)
• M32: 45,349,847 km (0.108 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 301.8

Radius: 6.2

Gravity: 7.85 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 9.02 AU - 9.36 AU

Year: 18276 Days

Day: 21.7 Hours

Environment

Temp: -227 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 54,521,122 km

• M1: 77,043 km (0.102 R)
• M2: 399,875 km (0.059 R)
• M3: 610,659 km (0.037 R)
• M4: 1,045,091 km (0.106 R)
• M5: 1,432,549 km (0.098 R)
• M6: 4,405,807 km (0.08 R)
• M7: 5,515,973 km (0.11 R)
• M8: 9,384,574 km (0.066 R)
• M9: 11,719,796 km (0.091 R)
• M10: 21,606,869 km (0.107 R)
• M11: 24,165,890 km (0.084 R)
• M12: 25,913,642 km (0.105 R)
• M13: 28,162,098 km (0.118 R)
• M14: 30,759,566 km (0.047 R)
• M15: 47,646,024 km (0.087 R)
• M16: 51,633,705 km (0.095 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 367 - 14,536 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit