🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.84

Radius: 1.88

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 0.47 AU - 0.63 AU

Year: 268 Days

Day: 46 Hours

Environment

Temp: -116 °C

Axial Tilt: 8.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 239.3

Radius: 9.3

Gravity: 2.77 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 0.63 AU - 1.01 AU

Year: 487 Days

Day: 8.2 Hours

Environment

Temp: -146 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 41,146,232 km

• M1: 116,686 km (0.119 R)
• M2: 579,841 km (0.074 R)
• M3: 1,025,793 km (0.109 R)
• M4: 1,501,215 km (0.072 R)
• M5: 2,011,194 km (0.057 R)
• M6: 2,464,475 km (0.114 R)
• M7: 3,187,631 km (0.081 R)
• M8: 3,531,707 km (0.056 R)
• M9: 4,424,207 km (0.113 R)

Asteroid Belt

Center: 1.42 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 531.8

Radius: 14.3

Gravity: 2.6 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 1.62 AU - 2.42 AU

Year: 1883 Days

Day: 8.2 Hours

Environment

Temp: -184 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 41,146,232 km

• M1: 185,501 km (0.038 R)
• M2: 890,407 km (0.103 R)
• M3: 1,829,133 km (0.109 R)
• M4: 2,306,350 km (0.092 R)
• M5: 2,756,490 km (0.081 R)
• M6: 3,552,351 km (0.035 R)
• M7: 4,177,072 km (0.113 R)
• M8: 5,018,859 km (0.075 R)
• M9: 5,924,375 km (0.084 R)
• M10: 6,528,451 km (0.107 R)
• M11: 7,067,303 km (0.12 R)
• M12: 7,860,471 km (0.089 R)
• M13: 8,926,954 km (0.086 R)
• M14: 9,821,399 km (0.043 R)
• M15: 10,739,781 km (0.096 R)
• M16: 12,552,159 km (0.069 R)
• M17: 13,307,030 km (0.075 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 87.9

Radius: 11.1

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 1.93 AU - 2.29 AU

Year: 2011 Days

Day: 9.2 Hours

Environment

Temp: -199 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 41,146,232 km

• M1: 138,079 km (0.12 R)
• M2: 521,947 km (0.077 R)
• M3: 1,098,048 km (0.092 R)
• M4: 1,555,668 km (0.107 R)
• M5: 2,130,124 km (0.039 R)
• M6: 2,548,400 km (0.086 R)
• M7: 3,338,426 km (0.034 R)
• M8: 4,394,587 km (0.111 R)
• M9: 5,623,085 km (0.067 R)
• M10: 6,786,358 km (0.096 R)
• M11: 7,312,045 km (0.072 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 749

Radius: 9.5

Gravity: 8.3 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 2.19 AU - 3.05 AU

Year: 2782 Days

Day: 7.7 Hours

Environment

Temp: -189 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 41,146,232 km

• M1: 118,182 km (0.113 R)
• M2: 485,894 km (0.088 R)
• M3: 1,119,142 km (0.036 R)
• M4: 1,467,555 km (0.108 R)
• M5: 1,864,588 km (0.062 R)
• M6: 2,389,377 km (0.071 R)
• M7: 4,055,000 km (0.044 R)
• M8: 4,593,253 km (0.071 R)
• M9: 6,107,034 km (0.043 R)
• M10: 6,932,964 km (0.083 R)
• M11: 8,805,929 km (0.029 R)
• M12: 9,783,850 km (0.081 R)
• M13: 10,163,829 km (0.102 R)
• M14: 10,632,818 km (0.109 R)
• M15: 11,530,106 km (0.086 R)
• M16: 12,040,385 km (0.068 R)
• M17: 13,568,228 km (0.098 R)
• M18: 15,221,434 km (0.039 R)
• M19: 18,806,547 km (0.078 R)
• M20: 19,335,375 km (0.094 R)
• M21: 20,484,586 km (0.098 R)
• M22: 20,919,168 km (0.096 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 928.7

Radius: 12.2

Gravity: 6.24 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 3.37 AU - 5.07 AU

Year: 5687 Days

Day: 12.8 Hours

Environment

Temp: -205 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 41,146,232 km

• M1: 152,141 km (0.087 R)
• M2: 725,101 km (0.044 R)
• M3: 1,478,775 km (0.095 R)
• M4: 2,896,364 km (0.056 R)
• M5: 3,612,789 km (0.109 R)
• M6: 4,137,129 km (0.058 R)
• M7: 4,657,431 km (0.106 R)
• M8: 5,221,265 km (0.09 R)
• M9: 5,735,882 km (0.091 R)
• M10: 6,657,554 km (0.081 R)
• M11: 7,524,025 km (0.105 R)
• M12: 9,005,044 km (0.118 R)
• M13: 9,613,458 km (0.059 R)
• M14: 10,577,317 km (0.107 R)
• M15: 12,272,860 km (0.101 R)
• M16: 14,028,092 km (0.08 R)
• M17: 17,760,708 km (0.08 R)
• M18: 18,372,563 km (0.093 R)
• M19: 23,056,622 km (0.073 R)
• M20: 26,062,492 km (0.12 R)
• M21: 27,119,850 km (0.075 R)
• M22: 28,481,639 km (0.11 R)
• M23: 30,079,644 km (0.069 R)
• M24: 30,560,751 km (0.118 R)
• M25: 33,659,371 km (0.09 R)
• M26: 34,491,883 km (0.061 R)
• M27: 35,873,719 km (0.102 R)
• M28: 36,306,356 km (0.092 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 391.8

Radius: 11.1

Gravity: 3.18 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 4.74 AU - 6.8 AU

Year: 9092 Days

Day: 6.8 Hours

Environment

Temp: -214 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 41,146,232 km

• M1: 139,126 km (0.06 R)
• M2: 895,044 km (0.065 R)
• M3: 1,574,667 km (0.053 R)
• M4: 1,962,126 km (0.108 R)
• M5: 2,627,836 km (0.113 R)
• M6: 3,179,404 km (0.116 R)
• M7: 4,150,593 km (0.062 R)
• M8: 4,760,803 km (0.111 R)
• M9: 5,160,827 km (0.107 R)
• M10: 5,931,556 km (0.083 R)
• M11: 6,567,347 km (0.095 R)
• M12: 7,064,460 km (0.095 R)
• M13: 8,708,092 km (0.104 R)
• M14: 10,640,897 km (0.116 R)
• M15: 14,433,651 km (0.109 R)
• M16: 14,971,157 km (0.075 R)
• M17: 16,664,156 km (0.1 R)
• M18: 17,389,256 km (0.086 R)
• M19: 19,401,946 km (0.117 R)
• M20: 20,057,035 km (0.083 R)
• M21: 21,181,413 km (0.082 R)
• M22: 26,014,172 km (0.072 R)
• M23: 27,623,546 km (0.045 R)
• M24: 29,871,254 km (0.06 R)
• M25: 31,138,498 km (0.08 R)
• M26: 36,566,956 km (0.115 R)
• M27: 37,342,770 km (0.107 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 597.4

Radius: 5

Gravity: 23.9 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 6.97 AU - 7.91 AU

Year: 13313 Days

Day: 18.7 Hours

Environment

Temp: -230 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 41,146,232 km

• M1: 62,233 km (0.059 R)
• M2: 310,864 km (0.111 R)
• M3: 818,001 km (0.099 R)
• M4: 1,527,095 km (0.118 R)
• M5: 2,456,098 km (0.04 R)
• M6: 2,666,582 km (0.1 R)
• M7: 3,320,774 km (0.081 R)
• M8: 3,578,680 km (0.09 R)
• M9: 3,739,648 km (0.107 R)
• M10: 4,222,400 km (0.084 R)
• M11: 4,556,302 km (0.117 R)
• M12: 6,261,269 km (0.073 R)
• M13: 6,456,195 km (0.08 R)
• M14: 6,858,165 km (0.119 R)
• M15: 10,919,298 km (0.105 R)
• M16: 11,201,889 km (0.097 R)
• M17: 11,431,671 km (0.111 R)
• M18: 13,255,568 km (0.11 R)
• M19: 14,169,761 km (0.031 R)
• M20: 16,049,907 km (0.12 R)
• M21: 20,983,944 km (0.08 R)
• M22: 25,433,732 km (0.08 R)
• M23: 26,535,222 km (0.084 R)
• M24: 26,841,000 km (0.102 R)
• M25: 31,373,366 km (0.109 R)
• M26: 33,939,269 km (0.108 R)
• M27: 36,265,067 km (0.1 R)
• M28: 38,564,237 km (0.085 R)
• M29: 39,749,501 km (0.112 R)
• M30: 41,641,315 km (0.087 R)
• M31: 46,928,104 km (0.113 R)
• M32: 51,056,556 km (0.088 R)
• M33: 51,529,585 km (0.057 R)
• M34: 51,846,732 km (0.064 R)
• M35: 53,451,469 km (0.084 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 117.3

Radius: 7.7

Gravity: 1.98 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 6.87 AU - 8.49 AU

Year: 13962 Days

Day: 23 Hours

Environment

Temp: -229 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 41,146,232 km

• M1: 96,491 km (0.08 R)
• M2: 411,693 km (0.113 R)
• M3: 1,872,367 km (0.079 R)
• M4: 3,365,204 km (0.085 R)
• M5: 4,044,378 km (0.113 R)
• M6: 5,825,191 km (0.104 R)
• M7: 8,505,088 km (0.097 R)
• M8: 10,247,305 km (0.049 R)
• M9: 11,274,144 km (0.078 R)
• M10: 14,997,486 km (0.054 R)
• M11: 19,958,301 km (0.114 R)
• M12: 21,778,308 km (0.081 R)
• M13: 23,706,326 km (0.103 R)
• M14: 24,752,464 km (0.111 R)
• M15: 26,507,097 km (0.103 R)
• M16: 33,250,969 km (0.055 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 216.3

Radius: 3.7

Gravity: 15.8 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 7.31 AU - 8.19 AU

Year: 14153 Days

Day: 21.6 Hours

Environment

Temp: -234 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 41,146,232 km

• M1: 52,808 km (0.057 R)
• M2: 336,894 km (0.042 R)
• M3: 650,452 km (0.12 R)
• M4: 1,367,624 km (0.098 R)
• M5: 1,733,690 km (0.092 R)
• M6: 2,837,423 km (0.086 R)
• M7: 3,499,543 km (0.088 R)
• M8: 3,841,374 km (0.101 R)
• M9: 4,367,809 km (0.076 R)
• M10: 4,734,922 km (0.045 R)
• M11: 4,970,838 km (0.085 R)
• M12: 5,122,081 km (0.106 R)
• M13: 5,959,381 km (0.069 R)
• M14: 6,375,113 km (0.12 R)
• M15: 7,034,391 km (0.09 R)
• M16: 10,323,001 km (0.08 R)
• M17: 16,700,807 km (0.108 R)
• M18: 16,836,193 km (0.067 R)
• M19: 17,454,631 km (0.118 R)
• M20: 21,326,972 km (0.112 R)
• M21: 24,493,360 km (0.032 R)
• M22: 31,738,235 km (0.102 R)
• M23: 33,965,748 km (0.109 R)
• M24: 34,183,263 km (0.064 R)
• M25: 38,610,911 km (0.111 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 367 - 16,842 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit