🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.74

Radius: 0.89

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 0.87 AU - 1.33 AU

Year: 424 Days

Day: 47.7 Hours

Environment

Temp: 17 °C

Axial Tilt: 6.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.18 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.39

Radius: 0.69

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 1.07 AU - 1.29 AU

Year: 471 Days

Day: 26 Hours

Environment

Temp: 2 °C

Axial Tilt: 33.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.79

Radius: 1.7

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 1.68 AU - 2.28 AU

Year: 1023 Days

Day: 45 Hours

Environment

Temp: -75 °C

Axial Tilt: 31 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 72,295,545 km

• M1: 64,776 km (0.069 R)
• M2: 861,534 km (0.07 R)

Planet 4 - Terrestrial

Semi-Major Axis: 4.11 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.39

Radius: 1.14

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 3.84 AU - 4.38 AU

Year: 3059 Days

Day: 43.8 Hours

Environment

Temp: -124 °C

Axial Tilt: 45.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.26

Radius: 1.79

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 3.48 AU - 5.78 AU

Year: 3657 Days

Day: 19.5 Hours

Environment

Temp: -126 °C

Axial Tilt: 28.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.71 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 6.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 504.5

Radius: 9.7

Gravity: 5.36 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 6.68 AU - 6.9 AU

Year: 6495 Days

Day: 10.2 Hours

Environment

Temp: -167 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 72,295,545 km

• M1: 120,576 km (0.112 R)
• M2: 535,112 km (0.089 R)
• M3: 901,327 km (0.072 R)
• M4: 1,251,536 km (0.114 R)
• M5: 1,579,903 km (0.094 R)
• M6: 2,083,898 km (0.032 R)
• M7: 3,228,023 km (0.108 R)
• M8: 5,241,909 km (0.076 R)
• M9: 6,205,619 km (0.087 R)
• M10: 9,085,378 km (0.108 R)
• M11: 12,651,342 km (0.092 R)
• M12: 15,176,255 km (0.083 R)
• M13: 16,127,997 km (0.115 R)
• M14: 19,086,295 km (0.051 R)
• M15: 20,981,550 km (0.09 R)
• M16: 21,714,281 km (0.088 R)
• M17: 24,655,075 km (0.116 R)
• M18: 26,220,617 km (0.118 R)
• M19: 29,095,589 km (0.069 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 523.1

Radius: 8

Gravity: 8.17 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 5.6 AU - 9.18 AU

Year: 7375 Days

Day: 6.7 Hours

Environment

Temp: -161 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 72,295,545 km

• M1: 99,483 km (0.101 R)
• M2: 650,003 km (0.095 R)
• M3: 1,121,386 km (0.109 R)
• M4: 1,381,088 km (0.058 R)
• M5: 1,763,310 km (0.069 R)
• M6: 3,242,085 km (0.113 R)
• M7: 3,945,793 km (0.118 R)
• M8: 4,692,436 km (0.118 R)
• M9: 5,652,855 km (0.076 R)
• M10: 6,362,397 km (0.031 R)
• M11: 8,681,464 km (0.105 R)
• M12: 10,634,613 km (0.069 R)
• M13: 11,865,954 km (0.1 R)
• M14: 18,222,217 km (0.118 R)
• M15: 22,467,955 km (0.063 R)
• M16: 23,180,938 km (0.032 R)
• M17: 35,335,915 km (0.097 R)

Planet 8 - Gas Giant

Semi-Major Axis: 8.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 604.8

Radius: 10.7

Gravity: 5.28 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 6.47 AU - 10.09 AU

Year: 8746 Days

Day: 9.6 Hours

Environment

Temp: -169 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 72,295,545 km

• M1: 133,441 km (0.099 R)
• M2: 691,142 km (0.086 R)
• M3: 1,024,147 km (0.073 R)
• M4: 2,308,594 km (0.045 R)
• M5: 2,736,444 km (0.118 R)
• M6: 4,081,927 km (0.03 R)
• M7: 4,682,862 km (0.105 R)
• M8: 5,279,608 km (0.073 R)
• M9: 5,661,382 km (0.116 R)
• M10: 7,031,998 km (0.105 R)
• M11: 9,142,973 km (0.07 R)
• M12: 13,198,721 km (0.087 R)
• M13: 14,450,855 km (0.09 R)
• M14: 16,508,574 km (0.066 R)
• M15: 18,463,369 km (0.079 R)
• M16: 22,083,787 km (0.119 R)
• M17: 22,494,733 km (0.066 R)
• M18: 28,121,408 km (0.107 R)
• M19: 30,087,124 km (0.115 R)

Planet 9 - Gas Giant

Semi-Major Axis: 9.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 548.7

Radius: 14.7

Gravity: 2.54 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 8.12 AU - 10.86 AU

Year: 10732 Days

Day: 12.3 Hours

Environment

Temp: -174 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 72,295,545 km

• M1: 185,801 km (0.097 R)
• M2: 778,358 km (0.092 R)
• M3: 1,363,884 km (0.113 R)
• M4: 1,977,534 km (0.108 R)
• M5: 2,693,210 km (0.064 R)
• M6: 5,195,534 km (0.078 R)
• M7: 6,027,597 km (0.056 R)
• M8: 6,755,989 km (0.113 R)
• M9: 7,260,284 km (0.113 R)
• M10: 18,041,952 km (0.074 R)
• M11: 20,747,579 km (0.063 R)
• M12: 26,759,020 km (0.068 R)
• M13: 28,126,644 km (0.093 R)
• M14: 29,540,344 km (0.106 R)
• M15: 32,618,918 km (0.095 R)
• M16: 35,439,586 km (0.047 R)
• M17: 38,664,617 km (0.081 R)
• M18: 40,158,800 km (0.078 R)
• M19: 42,080,385 km (0.077 R)
• M20: 44,601,558 km (0.092 R)

Planet 10 - Ice Giant

Semi-Major Axis: 14.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 541.3

Radius: 4.2

Gravity: 30.69 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 13.72 AU - 15.82 AU

Year: 20837 Days

Day: 19.9 Hours

Environment

Temp: -194 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 72,295,545 km

• M1: 52,359 km (0.105 R)
• M2: 183,407 km (0.076 R)
• M3: 452,833 km (0.068 R)
• M4: 780,302 km (0.106 R)
• M5: 931,247 km (0.094 R)
• M6: 1,489,995 km (0.039 R)
• M7: 2,022,414 km (0.101 R)
• M8: 2,246,362 km (0.075 R)
• M9: 3,479,347 km (0.076 R)
• M10: 3,801,282 km (0.096 R)
• M11: 4,437,222 km (0.045 R)
• M12: 5,998,725 km (0.075 R)
• M13: 7,038,281 km (0.062 R)
• M14: 8,192,578 km (0.086 R)
• M15: 8,603,673 km (0.043 R)
• M16: 9,919,984 km (0.111 R)
• M17: 10,686,374 km (0.071 R)
• M18: 11,301,970 km (0.074 R)
• M19: 12,203,297 km (0.059 R)
• M20: 12,536,451 km (0.032 R)
• M21: 16,530,864 km (0.038 R)
• M22: 20,075,735 km (0.118 R)
• M23: 20,539,937 km (0.095 R)
• M24: 21,393,543 km (0.073 R)
• M25: 27,468,862 km (0.052 R)
• M26: 29,090,204 km (0.079 R)
• M27: 31,267,152 km (0.103 R)
• M28: 35,266,800 km (0.039 R)
• M29: 35,535,927 km (0.074 R)
• M30: 37,738,756 km (0.108 R)
• M31: 39,884,887 km (0.11 R)
• M32: 45,047,958 km (0.114 R)
• M33: 55,576,656 km (0.071 R)
• M34: 58,349,303 km (0.045 R)
• M35: 60,632,765 km (0.098 R)
• M36: 61,991,862 km (0.033 R)
• M37: 63,371,154 km (0.074 R)
• M38: 66,805,772 km (0.079 R)
• M39: 67,011,618 km (0.115 R)
• M40: 69,725,922 km (0.098 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 219 - 13,014 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit