🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.56

Radius: 1.83

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 1.01 AU - 1.65 AU

Year: 569 Days

Day: 30.7 Hours

Environment

Temp: -26 °C

Axial Tilt: 41.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.6

Radius: 0.82

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 1.59 AU - 1.69 AU

Year: 779 Days

Day: 13.3 Hours

Environment

Temp: -57 °C

Axial Tilt: 7.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 3.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.95

Radius: 1.9

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 3.04 AU - 3.96 AU

Year: 2428 Days

Day: 22.7 Hours

Environment

Temp: -116 °C

Axial Tilt: 34.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.52 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 5.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 831.6

Radius: 8.2

Gravity: 12.37 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 4.52 AU - 6.54 AU

Year: 4823 Days

Day: 7 Hours

Environment

Temp: -145 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 70,367,531 km

• M1: 102,026 km (0.116 R)
• M2: 546,182 km (0.102 R)
• M3: 812,466 km (0.085 R)
• M4: 1,469,051 km (0.093 R)
• M5: 2,153,461 km (0.091 R)
• M6: 2,576,674 km (0.091 R)
• M7: 2,882,751 km (0.067 R)
• M8: 3,834,941 km (0.118 R)
• M9: 4,090,903 km (0.055 R)
• M10: 4,715,774 km (0.1 R)
• M11: 5,345,431 km (0.115 R)
• M12: 5,998,875 km (0.066 R)
• M13: 7,181,595 km (0.105 R)
• M14: 7,828,157 km (0.084 R)
• M15: 10,044,899 km (0.111 R)
• M16: 10,533,784 km (0.108 R)
• M17: 11,320,520 km (0.108 R)
• M18: 11,997,300 km (0.047 R)
• M19: 13,378,388 km (0.079 R)
• M20: 16,090,149 km (0.092 R)
• M21: 17,766,393 km (0.063 R)
• M22: 18,089,075 km (0.082 R)
• M23: 18,613,565 km (0.116 R)
• M24: 19,624,398 km (0.093 R)
• M25: 20,318,233 km (0.057 R)
• M26: 20,884,910 km (0.065 R)
• M27: 21,608,216 km (0.095 R)
• M28: 25,070,808 km (0.117 R)
• M29: 27,402,440 km (0.107 R)
• M30: 28,269,061 km (0.11 R)
• M31: 31,446,220 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 8.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 775.5

Radius: 12.3

Gravity: 5.13 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 6.74 AU - 10.62 AU

Year: 9484 Days

Day: 14.2 Hours

Environment

Temp: -171 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 70,367,531 km

• M1: 153,039 km (0.083 R)
• M2: 549,174 km (0.068 R)
• M3: 1,152,652 km (0.068 R)
• M4: 1,787,994 km (0.089 R)
• M5: 3,322,718 km (0.118 R)
• M6: 4,001,593 km (0.106 R)
• M7: 4,504,242 km (0.112 R)
• M8: 5,877,850 km (0.109 R)
• M9: 6,795,633 km (0.06 R)
• M10: 7,188,626 km (0.114 R)
• M11: 7,977,306 km (0.102 R)
• M12: 8,731,280 km (0.114 R)
• M13: 9,196,529 km (0.097 R)
• M14: 9,925,520 km (0.081 R)
• M15: 10,640,298 km (0.109 R)
• M16: 11,279,979 km (0.065 R)
• M17: 13,785,294 km (0.05 R)
• M18: 15,068,545 km (0.106 R)
• M19: 16,429,885 km (0.117 R)
• M20: 17,430,546 km (0.111 R)
• M21: 18,776,178 km (0.116 R)
• M22: 21,589,516 km (0.101 R)
• M23: 22,013,027 km (0.118 R)
• M24: 24,306,213 km (0.054 R)
• M25: 26,657,144 km (0.087 R)
• M26: 28,746,128 km (0.087 R)
• M27: 30,834,964 km (0.118 R)
• M28: 34,615,152 km (0.095 R)
• M29: 36,138,806 km (0.096 R)
• M30: 37,951,783 km (0.101 R)
• M31: 38,943,168 km (0.095 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 980.3

Radius: 14.6

Gravity: 4.6 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 8.45 AU - 10.73 AU

Year: 11014 Days

Day: 6.4 Hours

Environment

Temp: -179 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 70,367,531 km

• M1: 181,761 km (0.11 R)
• M2: 1,324,540 km (0.105 R)
• M3: 1,875,808 km (0.101 R)
• M4: 3,535,895 km (0.071 R)
• M5: 4,256,359 km (0.116 R)
• M6: 5,344,982 km (0.095 R)
• M7: 6,692,560 km (0.077 R)
• M8: 8,071,254 km (0.088 R)
• M9: 13,669,954 km (0.104 R)
• M10: 16,245,132 km (0.064 R)
• M11: 18,478,179 km (0.093 R)
• M12: 21,172,138 km (0.092 R)
• M13: 22,065,237 km (0.076 R)
• M14: 27,328,389 km (0.07 R)
• M15: 31,497,981 km (0.103 R)
• M16: 42,887,765 km (0.118 R)
• M17: 44,898,360 km (0.095 R)
• M18: 47,121,384 km (0.115 R)
• M19: 51,786,145 km (0.05 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 630.5

Radius: 7.2

Gravity: 12.16 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 12.61 AU - 19.11 AU

Year: 23424 Days

Day: 15.7 Hours

Environment

Temp: -200 °C

Axial Tilt: 48.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 70,367,531 km

• M1: 208,091 km (0.034 R)
• M2: 507,586 km (0.088 R)
• M3: 818,151 km (0.072 R)
• M4: 1,142,030 km (0.081 R)
• M5: 2,198,490 km (0.054 R)
• M6: 2,466,420 km (0.071 R)
• M7: 3,123,005 km (0.1 R)
• M8: 6,395,758 km (0.07 R)
• M9: 10,053,127 km (0.087 R)
• M10: 11,441,395 km (0.095 R)
• M11: 14,209,105 km (0.107 R)
• M12: 16,620,174 km (0.111 R)
• M13: 20,532,757 km (0.112 R)
• M14: 24,576,088 km (0.096 R)
• M15: 29,367,259 km (0.119 R)
• M16: 39,073,169 km (0.117 R)
• M17: 46,384,914 km (0.061 R)
• M18: 55,500,660 km (0.066 R)
• M19: 56,645,683 km (0.106 R)
• M20: 60,375,756 km (0.104 R)
• M21: 64,475,485 km (0.089 R)
• M22: 70,077,477 km (0.108 R)

Planet 8 - Ice Giant

Semi-Major Axis: 16.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 373.4

Radius: 6.7

Gravity: 8.32 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 15.29 AU - 17.03 AU

Year: 24092 Days

Day: 16.3 Hours

Environment

Temp: -194 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 70,367,531 km

• M1: 86,318 km (0.099 R)
• M2: 355,295 km (0.089 R)
• M3: 1,116,898 km (0.104 R)
• M4: 1,513,332 km (0.082 R)
• M5: 1,906,026 km (0.057 R)
• M6: 2,197,443 km (0.061 R)
• M7: 2,632,175 km (0.111 R)
• M8: 3,045,364 km (0.101 R)
• M9: 3,529,163 km (0.096 R)
• M10: 4,514,415 km (0.086 R)
• M11: 6,360,752 km (0.096 R)
• M12: 6,703,780 km (0.102 R)
• M13: 7,241,584 km (0.085 R)
• M14: 8,607,861 km (0.09 R)
• M15: 8,921,718 km (0.062 R)
• M16: 15,264,668 km (0.041 R)
• M17: 15,647,488 km (0.112 R)
• M18: 17,078,392 km (0.119 R)
• M19: 30,331,417 km (0.111 R)
• M20: 31,549,293 km (0.073 R)
• M21: 37,712,576 km (0.104 R)
• M22: 51,662,877 km (0.119 R)
• M23: 55,709,948 km (0.116 R)
• M24: 56,252,988 km (0.111 R)
• M25: 67,251,872 km (0.065 R)
• M26: 67,867,468 km (0.084 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 384 - 14,989 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit