🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.04 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3

Radius: 1.55

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 0.86 AU - 1.22 AU

Year: 393 Days

Day: 26.7 Hours

Environment

Temp: 7 °C

Axial Tilt: 44 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 3.43 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.7

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 3.37 AU - 3.49 AU

Year: 2356 Days

Day: 34.1 Hours

Environment

Temp: -119 °C

Axial Tilt: 1.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.22 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 813.8

Radius: 8.3

Gravity: 11.81 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 4.53 AU - 5.47 AU

Year: 4146 Days

Day: 5.8 Hours

Environment

Temp: -146 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 80,349,287 km

• M1: 105,915 km (0.057 R)
• M2: 371,152 km (0.058 R)
• M3: 789,129 km (0.094 R)
• M4: 1,258,118 km (0.099 R)
• M5: 1,551,031 km (0.066 R)
• M6: 1,903,184 km (0.099 R)
• M7: 2,172,161 km (0.065 R)
• M8: 2,805,259 km (0.098 R)
• M9: 3,079,472 km (0.096 R)
• M10: 3,452,719 km (0.038 R)
• M11: 3,746,978 km (0.109 R)
• M12: 4,290,317 km (0.101 R)
• M13: 5,042,346 km (0.103 R)
• M14: 5,762,809 km (0.112 R)
• M15: 6,087,586 km (0.09 R)
• M16: 7,338,673 km (0.102 R)
• M17: 8,262,739 km (0.112 R)
• M18: 9,182,766 km (0.08 R)
• M19: 10,000,318 km (0.09 R)
• M20: 10,954,603 km (0.116 R)
• M21: 12,793,610 km (0.093 R)
• M22: 16,654,133 km (0.08 R)
• M23: 17,436,529 km (0.109 R)
• M24: 18,623,589 km (0.104 R)
• M25: 19,930,476 km (0.114 R)
• M26: 21,019,099 km (0.117 R)
• M27: 21,861,186 km (0.108 R)
• M28: 22,580,003 km (0.051 R)
• M29: 24,831,152 km (0.102 R)
• M30: 26,493,185 km (0.06 R)
• M31: 27,310,138 km (0.076 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 395.6

Radius: 10.8

Gravity: 3.39 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 5.09 AU - 6.21 AU

Year: 4981 Days

Day: 7.2 Hours

Environment

Temp: -139 °C

Axial Tilt: 134.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 80,349,287 km

• M1: 150,196 km (0.089 R)
• M2: 528,828 km (0.09 R)
• M3: 990,637 km (0.04 R)
• M4: 2,642,497 km (0.098 R)
• M5: 3,997,405 km (0.072 R)
• M6: 5,154,245 km (0.053 R)
• M7: 5,965,365 km (0.091 R)
• M8: 6,342,501 km (0.072 R)
• M9: 6,704,528 km (0.068 R)
• M10: 8,727,689 km (0.061 R)
• M11: 9,138,635 km (0.077 R)
• M12: 13,099,388 km (0.093 R)
• M13: 16,846,515 km (0.035 R)
• M14: 17,484,700 km (0.04 R)
• M15: 24,560,530 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 940.6

Radius: 14

Gravity: 4.8 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 6.21 AU - 9.23 AU

Year: 7955 Days

Day: 9.5 Hours

Environment

Temp: -174 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 80,349,287 km

• M1: 176,226 km (0.089 R)
• M2: 743,053 km (0.052 R)
• M3: 1,273,975 km (0.095 R)
• M4: 1,723,816 km (0.063 R)
• M5: 2,389,826 km (0.119 R)
• M6: 2,918,804 km (0.062 R)
• M7: 3,501,937 km (0.079 R)
• M8: 4,135,484 km (0.103 R)
• M9: 4,844,727 km (0.113 R)
• M10: 5,502,060 km (0.071 R)
• M11: 7,034,840 km (0.045 R)
• M12: 8,176,122 km (0.091 R)
• M13: 9,579,948 km (0.119 R)
• M14: 10,618,606 km (0.096 R)
• M15: 11,459,496 km (0.096 R)
• M16: 12,457,912 km (0.096 R)
• M17: 13,037,305 km (0.086 R)
• M18: 14,628,129 km (0.086 R)
• M19: 15,536,636 km (0.098 R)
• M20: 16,140,413 km (0.064 R)
• M21: 20,895,232 km (0.114 R)
• M22: 27,180,886 km (0.092 R)
• M23: 31,119,947 km (0.092 R)
• M24: 33,613,295 km (0.088 R)
• M25: 40,235,993 km (0.1 R)
• M26: 41,120,715 km (0.117 R)
• M27: 43,587,135 km (0.049 R)
• M28: 45,739,549 km (0.094 R)

Planet 6 - Ice Giant

Semi-Major Axis: 13.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 533.9

Radius: 6.2

Gravity: 13.89 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 12.35 AU - 13.95 AU

Year: 17685 Days

Day: 21.2 Hours

Environment

Temp: -185 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 80,349,287 km

• M1: 77,193 km (0.11 R)
• M2: 316,998 km (0.118 R)
• M3: 1,158,037 km (0.106 R)
• M4: 1,388,119 km (0.096 R)
• M5: 2,228,260 km (0.082 R)
• M6: 2,435,005 km (0.076 R)
• M7: 4,782,794 km (0.033 R)
• M8: 5,831,774 km (0.098 R)
• M9: 6,472,202 km (0.085 R)
• M10: 7,939,309 km (0.064 R)
• M11: 8,877,886 km (0.05 R)
• M12: 9,084,480 km (0.117 R)
• M13: 9,943,471 km (0.051 R)
• M14: 10,914,361 km (0.106 R)
• M15: 12,009,418 km (0.068 R)
• M16: 12,583,574 km (0.036 R)
• M17: 12,844,623 km (0.109 R)
• M18: 20,877,430 km (0.071 R)
• M19: 27,150,667 km (0.062 R)
• M20: 32,942,498 km (0.101 R)
• M21: 34,318,649 km (0.097 R)
• M22: 35,472,797 km (0.072 R)
• M23: 35,993,996 km (0.072 R)
• M24: 37,051,653 km (0.067 R)
• M25: 37,453,473 km (0.119 R)
• M26: 38,402,521 km (0.057 R)
• M27: 41,489,623 km (0.092 R)
• M28: 41,923,008 km (0.091 R)
• M29: 42,798,754 km (0.072 R)
• M30: 43,241,265 km (0.115 R)
• M31: 43,686,767 km (0.109 R)
• M32: 44,135,261 km (0.113 R)
• M33: 47,047,782 km (0.075 R)
• M34: 49,435,664 km (0.091 R)
• M35: 54,624,316 km (0.076 R)
• M36: 55,668,808 km (0.102 R)
• M37: 57,618,218 km (0.101 R)
• M38: 58,157,668 km (0.104 R)
• M39: 62,405,799 km (0.083 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 709.2

Radius: 5.7

Gravity: 21.83 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 12.44 AU - 17.36 AU

Year: 21330 Days

Day: 22.7 Hours

Environment

Temp: -198 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 80,349,287 km

• M1: 70,909 km (0.09 R)
• M2: 412,142 km (0.089 R)
• M3: 648,058 km (0.11 R)
• M4: 1,112,709 km (0.085 R)
• M5: 1,968,708 km (0.075 R)
• M6: 2,304,106 km (0.114 R)
• M7: 4,906,511 km (0.077 R)
• M8: 5,170,252 km (0.04 R)
• M9: 6,061,107 km (0.027 R)
• M10: 6,956,002 km (0.09 R)
• M11: 7,289,156 km (0.065 R)
• M12: 8,728,886 km (0.107 R)
• M13: 9,004,595 km (0.072 R)
• M14: 11,100,162 km (0.099 R)
• M15: 11,887,645 km (0.074 R)
• M16: 12,090,201 km (0.084 R)
• M17: 13,573,464 km (0.084 R)
• M18: 13,794,719 km (0.096 R)
• M19: 14,781,915 km (0.094 R)
• M20: 16,558,390 km (0.081 R)
• M21: 18,203,069 km (0.065 R)
• M22: 19,296,181 km (0.115 R)
• M23: 20,144,251 km (0.098 R)
• M24: 21,214,175 km (0.076 R)
• M25: 26,904,429 km (0.098 R)
• M26: 30,285,042 km (0.11 R)
• M27: 32,338,572 km (0.109 R)
• M28: 38,608,368 km (0.105 R)
• M29: 42,105,218 km (0.036 R)
• M30: 48,851,633 km (0.117 R)
• M31: 49,371,785 km (0.089 R)
• M32: 50,246,933 km (0.091 R)
• M33: 51,132,403 km (0.097 R)
• M34: 58,789,121 km (0.069 R)
• M35: 59,181,067 km (0.087 R)
• M36: 60,966,069 km (0.077 R)
• M37: 61,367,590 km (0.079 R)
• M38: 76,091,760 km (0.101 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: 336 - 12,725 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit