🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.18

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 0.54 AU - 0.58 AU

Year: 271 Days

Day: 29.4 Hours

Environment

Temp: -117 °C

Axial Tilt: 1.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 48,650,898 km

• M1: 41,738 km (0.11 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3

Radius: 1.55

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.53 AU - 0.81 AU

Year: 354 Days

Day: 43.5 Hours

Environment

Temp: -143 °C

Axial Tilt: 17.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.18 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 586.8

Radius: 11.5

Gravity: 4.44 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 1.63 AU - 1.75 AU

Year: 1419 Days

Day: 7.9 Hours

Environment

Temp: -175 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 48,650,898 km

• M1: 143,165 km (0.08 R)
• M2: 540,348 km (0.088 R)
• M3: 1,069,326 km (0.059 R)
• M4: 1,834,369 km (0.07 R)
• M5: 3,366,550 km (0.069 R)
• M6: 4,008,475 km (0.049 R)
• M7: 5,163,221 km (0.032 R)
• M8: 5,906,573 km (0.081 R)
• M9: 6,292,685 km (0.114 R)
• M10: 7,015,542 km (0.114 R)
• M11: 7,501,286 km (0.057 R)
• M12: 8,202,601 km (0.062 R)
• M13: 9,427,059 km (0.079 R)
• M14: 10,211,700 km (0.085 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 973.4

Radius: 13.5

Gravity: 5.34 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 1.4 AU - 2.22 AU

Year: 1572 Days

Day: 11.4 Hours

Environment

Temp: -183 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 48,650,898 km

• M1: 168,896 km (0.089 R)
• M2: 621,729 km (0.082 R)
• M3: 1,067,979 km (0.081 R)
• M4: 1,573,620 km (0.091 R)
• M5: 2,040,216 km (0.102 R)
• M6: 3,028,908 km (0.106 R)
• M7: 3,815,793 km (0.108 R)
• M8: 4,413,287 km (0.087 R)
• M9: 5,008,238 km (0.103 R)
• M10: 5,892,511 km (0.072 R)
• M11: 6,772,445 km (0.101 R)
• M12: 8,000,793 km (0.091 R)
• M13: 11,376,768 km (0.113 R)
• M14: 12,143,458 km (0.119 R)
• M15: 13,483,406 km (0.074 R)
• M16: 14,254,732 km (0.101 R)
• M17: 14,964,873 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 50.9

Radius: 9.1

Gravity: 0.61 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 3.08 AU - 3.3 AU

Year: 3679 Days

Day: 6.2 Hours

Environment

Temp: -213 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 48,650,898 km

• M1: 114,891 km (0.081 R)
• M2: 548,127 km (0.043 R)
• M3: 865,872 km (0.104 R)
• M4: 1,182,422 km (0.083 R)
• M5: 1,486,554 km (0.076 R)
• M6: 1,939,237 km (0.08 R)
• M7: 2,858,965 km (0.065 R)
• M8: 5,511,186 km (0.096 R)
• M9: 7,375,773 km (0.032 R)
• M10: 8,029,516 km (0.05 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 256.8

Radius: 8.7

Gravity: 3.39 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 3.03 AU - 3.69 AU

Year: 3977 Days

Day: 14.1 Hours

Environment

Temp: -202 °C

Axial Tilt: 43.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 48,650,898 km

• M1: 108,159 km (0.081 R)
• M2: 409,150 km (0.063 R)
• M3: 975,229 km (0.081 R)
• M4: 1,279,660 km (0.047 R)
• M5: 1,691,054 km (0.036 R)
• M6: 2,254,440 km (0.092 R)
• M7: 2,631,576 km (0.065 R)
• M8: 3,199,749 km (0.111 R)
• M9: 3,733,813 km (0.04 R)
• M10: 5,306,087 km (0.071 R)
• M11: 5,848,529 km (0.117 R)
• M12: 7,043,965 km (0.11 R)
• M13: 7,516,695 km (0.087 R)
• M14: 8,297,595 km (0.029 R)
• M15: 8,591,555 km (0.083 R)
• M16: 9,269,982 km (0.081 R)
• M17: 9,910,560 km (0.111 R)
• M18: 10,353,818 km (0.092 R)
• M19: 11,161,348 km (0.038 R)
• M20: 11,560,325 km (0.112 R)
• M21: 11,845,159 km (0.119 R)
• M22: 12,771,469 km (0.092 R)
• M23: 13,296,558 km (0.1 R)
• M24: 16,394,879 km (0.11 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 859.9

Radius: 6.7

Gravity: 19.16 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 5.6 AU - 8.3 AU

Year: 11830 Days

Day: 22.1 Hours

Environment

Temp: -230 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 48,650,898 km

• M1: 120,127 km (0.113 R)
• M2: 398,230 km (0.11 R)
• M3: 901,926 km (0.094 R)
• M4: 1,170,304 km (0.075 R)
• M5: 1,506,600 km (0.082 R)
• M6: 1,803,851 km (0.115 R)
• M7: 2,313,531 km (0.054 R)
• M8: 2,733,303 km (0.076 R)
• M9: 3,080,519 km (0.093 R)
• M10: 3,669,785 km (0.114 R)
• M11: 4,301,388 km (0.066 R)
• M12: 5,070,470 km (0.075 R)
• M13: 7,744,532 km (0.12 R)
• M14: 11,063,062 km (0.116 R)
• M15: 14,801,513 km (0.065 R)
• M16: 15,011,548 km (0.11 R)
• M17: 17,376,241 km (0.106 R)
• M18: 18,003,954 km (0.091 R)
• M19: 24,351,242 km (0.087 R)
• M20: 24,742,141 km (0.048 R)
• M21: 25,137,229 km (0.054 R)
• M22: 27,385,685 km (0.106 R)
• M23: 28,993,414 km (0.076 R)
• M24: 29,212,425 km (0.109 R)
• M25: 30,776,620 km (0.1 R)
• M26: 31,579,213 km (0.058 R)
• M27: 35,677,297 km (0.055 R)
• M28: 42,327,072 km (0.088 R)
• M29: 43,319,355 km (0.119 R)
• M30: 47,900,640 km (0.096 R)
• M31: 52,469,209 km (0.095 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 494.5

Radius: 4.1

Gravity: 29.42 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 5.59 AU - 8.47 AU

Year: 12035 Days

Day: 16.3 Hours

Environment

Temp: -225 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 48,650,898 km

• M1: 51,013 km (0.061 R)
• M2: 273,315 km (0.097 R)
• M3: 482,004 km (0.101 R)
• M4: 905,217 km (0.071 R)
• M5: 1,797,568 km (0.032 R)
• M6: 2,473,002 km (0.101 R)
• M7: 2,613,924 km (0.051 R)
• M8: 3,161,452 km (0.045 R)
• M9: 3,400,509 km (0.091 R)
• M10: 3,755,505 km (0.073 R)
• M11: 4,106,761 km (0.075 R)
• M12: 4,247,682 km (0.098 R)
• M13: 5,064,636 km (0.061 R)
• M14: 7,204,783 km (0.086 R)
• M15: 8,449,437 km (0.083 R)
• M16: 10,288,294 km (0.072 R)
• M17: 10,548,595 km (0.062 R)
• M18: 10,706,869 km (0.077 R)
• M19: 11,411,026 km (0.088 R)
• M20: 14,997,785 km (0.099 R)
• M21: 17,445,505 km (0.062 R)
• M22: 19,744,825 km (0.084 R)
• M23: 20,801,135 km (0.116 R)
• M24: 21,133,542 km (0.055 R)
• M25: 21,469,538 km (0.073 R)
• M26: 21,808,976 km (0.113 R)
• M27: 22,937,243 km (0.103 R)
• M28: 23,202,929 km (0.103 R)
• M29: 24,747,976 km (0.105 R)
• M30: 26,651,758 km (0.073 R)
• M31: 29,166,050 km (0.093 R)
• M32: 29,687,249 km (0.113 R)
• M33: 30,108,516 km (0.106 R)
• M34: 35,598,609 km (0.096 R)
• M35: 40,546,259 km (0.08 R)
• M36: 41,982,997 km (0.083 R)
• M37: 43,996,584 km (0.098 R)
• M38: 44,957,750 km (0.085 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 430 - 19,426 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit