🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.62

Radius: 0.83

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 1.06 AU - 1.14 AU

Year: 437 Days

Day: 36.2 Hours

Environment

Temp: -13 °C

Axial Tilt: 36.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.48

Radius: 1.44

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 1.31 AU - 2.11 AU

Year: 847 Days

Day: 29.7 Hours

Environment

Temp: -71 °C

Axial Tilt: 9.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.81 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 7.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 138.4

Radius: 12.6

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 6.72 AU - 9.1 AU

Year: 8426 Days

Day: 11.4 Hours

Environment

Temp: -161 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 41,684,705 km

• M1: 166,054 km (0.103 R)
• M2: 579,991 km (0.118 R)
• M3: 1,389,166 km (0.111 R)
• M4: 2,166,925 km (0.09 R)
• M5: 3,199,300 km (0.108 R)
• M6: 4,039,591 km (0.054 R)
• M7: 6,013,535 km (0.047 R)
• M8: 7,260,284 km (0.096 R)
• M9: 8,819,692 km (0.112 R)
• M10: 9,502,307 km (0.092 R)
• M11: 10,634,015 km (0.053 R)
• M12: 11,495,848 km (0.104 R)
• M13: 12,080,776 km (0.111 R)
• M14: 12,685,301 km (0.098 R)
• M15: 15,201,088 km (0.09 R)
• M16: 15,686,833 km (0.117 R)
• M17: 18,152,954 km (0.092 R)
• M18: 21,199,215 km (0.088 R)
• M19: 24,204,487 km (0.072 R)
• M20: 24,793,304 km (0.053 R)

Planet 4 - Gas Giant

Semi-Major Axis: 10.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 612

Radius: 11.3

Gravity: 4.79 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 8.84 AU - 11.24 AU

Year: 12049 Days

Day: 12.1 Hours

Environment

Temp: -179 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 41,684,705 km

• M1: 140,622 km (0.086 R)
• M2: 1,897,350 km (0.116 R)
• M3: 2,512,496 km (0.061 R)
• M4: 3,786,472 km (0.114 R)
• M5: 4,611,803 km (0.074 R)
• M6: 6,463,675 km (0.103 R)
• M7: 7,015,542 km (0.08 R)
• M8: 7,470,918 km (0.086 R)
• M9: 8,487,286 km (0.103 R)
• M10: 11,628,093 km (0.063 R)
• M11: 12,149,292 km (0.085 R)
• M12: 13,114,348 km (0.076 R)
• M13: 14,457,737 km (0.105 R)
• M14: 15,541,274 km (0.104 R)
• M15: 16,102,864 km (0.104 R)
• M16: 16,678,068 km (0.079 R)
• M17: 18,022,355 km (0.101 R)
• M18: 18,486,108 km (0.116 R)
• M19: 19,437,551 km (0.097 R)
• M20: 22,845,689 km (0.071 R)
• M21: 24,034,095 km (0.094 R)
• M22: 24,501,887 km (0.101 R)
• M23: 26,138,338 km (0.102 R)
• M24: 28,155,366 km (0.089 R)
• M25: 32,044,163 km (0.114 R)
• M26: 33,532,363 km (0.109 R)
• M27: 35,065,890 km (0.079 R)
• M28: 38,399,829 km (0.109 R)
• M29: 39,816,670 km (0.08 R)
• M30: 41,134,777 km (0.112 R)
• M31: 41,939,464 km (0.117 R)
• M32: 46,264,937 km (0.091 R)
• M33: 47,721,422 km (0.086 R)
• M34: 50,419,718 km (0.083 R)

Planet 5 - Ice Giant

Semi-Major Axis: 14.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 864.6

Radius: 3.7

Gravity: 63.16 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 13.49 AU - 15.65 AU

Year: 21064 Days

Day: 19.8 Hours

Environment

Temp: -196 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 41,684,705 km

• M1: 46,076 km (0.104 R)
• M2: 212,130 km (0.093 R)
• M3: 381,624 km (0.118 R)
• M4: 550,520 km (0.088 R)
• M5: 833,859 km (0.108 R)
• M6: 1,015,022 km (0.102 R)
• M7: 1,994,738 km (0.071 R)
• M8: 2,605,097 km (0.062 R)
• M9: 2,730,460 km (0.103 R)
• M10: 3,048,057 km (0.069 R)
• M11: 3,360,417 km (0.097 R)
• M12: 3,852,145 km (0.09 R)
• M13: 4,149,097 km (0.105 R)
• M14: 4,461,009 km (0.057 R)
• M15: 4,640,825 km (0.044 R)
• M16: 8,272,912 km (0.062 R)
• M17: 11,067,699 km (0.107 R)
• M18: 12,008,221 km (0.071 R)
• M19: 16,051,253 km (0.092 R)
• M20: 17,253,272 km (0.114 R)
• M21: 18,978,883 km (0.1 R)
• M22: 21,829,172 km (0.088 R)
• M23: 22,874,562 km (0.093 R)
• M24: 23,301,963 km (0.108 R)
• M25: 29,226,487 km (0.099 R)
• M26: 29,603,324 km (0.111 R)
• M27: 31,799,870 km (0.117 R)
• M28: 33,826,173 km (0.084 R)
• M29: 34,380,583 km (0.095 R)
• M30: 37,687,294 km (0.119 R)
• M31: 45,593,841 km (0.091 R)
• M32: 52,662,041 km (0.119 R)
• M33: 57,627,493 km (0.094 R)
• M34: 68,255,674 km (0.101 R)
• M35: 71,386,159 km (0.091 R)
• M36: 75,549,917 km (0.082 R)
• M37: 75,785,833 km (0.107 R)
• M38: 80,608,569 km (0.117 R)
• M39: 81,101,793 km (0.076 R)

Planet 6 - Ice Giant

Semi-Major Axis: 18.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 51.5

Radius: 7.7

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 16.94 AU - 19.6 AU

Year: 29577 Days

Day: 24.2 Hours

Environment

Temp: -195 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 41,684,705 km

• M1: 95,743 km (0.06 R)
• M2: 480,957 km (0.119 R)
• M3: 1,196,334 km (0.091 R)
• M4: 3,566,563 km (0.113 R)
• M5: 5,201,368 km (0.079 R)
• M6: 6,644,539 km (0.079 R)
• M7: 8,252,267 km (0.095 R)
• M8: 9,911,906 km (0.073 R)
• M9: 10,794,982 km (0.028 R)
• M10: 13,758,067 km (0.06 R)
• M11: 18,136,947 km (0.054 R)
• M12: 20,913,782 km (0.089 R)
• M13: 22,444,318 km (0.093 R)
• M14: 26,090,018 km (0.072 R)
• M15: 28,631,088 km (0.112 R)
• M16: 30,414,145 km (0.046 R)
• M17: 32,060,020 km (0.119 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 173 - 19,660 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit