🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.85

Radius: 1.28

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 0.52 AU - 0.74 AU

Year: 328 Days

Day: 12.5 Hours

Environment

Temp: -136 °C

Axial Tilt: 15.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 56,543,221 km

• M1: 495,917 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 574.6

Radius: 8.7

Gravity: 7.59 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 0.65 AU - 0.77 AU

Year: 392 Days

Day: 10.1 Hours

Environment

Temp: -147 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 56,543,221 km

• M1: 109,206 km (0.102 R)
• M2: 288,873 km (0.072 R)
• M3: 523,443 km (0.116 R)
• M4: 720,164 km (0.042 R)
• M5: 901,776 km (0.096 R)
• M6: 1,295,966 km (0.117 R)
• M7: 2,029,295 km (0.093 R)
• M8: 2,362,300 km (0.104 R)
• M9: 2,556,328 km (0.112 R)
• M10: 2,870,035 km (0.095 R)
• M11: 3,092,338 km (0.106 R)
• M12: 3,445,987 km (0.062 R)
• M13: 3,621,615 km (0.052 R)
• M14: 3,828,060 km (0.075 R)
• M15: 4,040,339 km (0.109 R)
• M16: 4,203,401 km (0.114 R)
• M17: 4,473,126 km (0.118 R)
• M18: 4,770,826 km (0.062 R)
• M19: 5,018,111 km (0.059 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 201.7

Radius: 9

Gravity: 2.49 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 0.58 AU - 0.92 AU

Year: 426 Days

Day: 7.8 Hours

Environment

Temp: -140 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 56,543,221 km

• M1: 115,490 km (0.11 R)
• M2: 379,231 km (0.1 R)
• M3: 601,533 km (0.075 R)
• M4: 928,853 km (0.103 R)
• M5: 1,205,460 km (0.084 R)
• M6: 1,573,620 km (0.056 R)
• M7: 1,984,565 km (0.108 R)
• M8: 2,481,978 km (0.086 R)
• M9: 2,677,353 km (0.074 R)
• M10: 3,158,759 km (0.104 R)
• M11: 3,415,020 km (0.064 R)
• M12: 3,725,735 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 679.1

Radius: 13.3

Gravity: 3.84 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.98 AU - 1.32 AU

Year: 809 Days

Day: 7.5 Hours

Environment

Temp: -156 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 56,543,221 km

• M1: 171,290 km (0.106 R)
• M2: 437,275 km (0.102 R)
• M3: 696,378 km (0.098 R)
• M4: 1,097,899 km (0.112 R)
• M5: 1,534,575 km (0.099 R)
• M6: 2,178,743 km (0.072 R)
• M7: 2,429,918 km (0.09 R)
• M8: 2,976,549 km (0.064 R)
• M9: 3,230,267 km (0.118 R)
• M10: 3,571,200 km (0.1 R)
• M11: 3,838,681 km (0.114 R)
• M12: 4,104,517 km (0.067 R)
• M13: 4,576,348 km (0.03 R)
• M14: 5,180,574 km (0.05 R)
• M15: 5,628,021 km (0.084 R)
• M16: 5,908,368 km (0.088 R)
• M17: 6,195,895 km (0.053 R)
• M18: 6,868,337 km (0.087 R)
• M19: 7,528,064 km (0.106 R)
• M20: 7,787,467 km (0.118 R)
• M21: 8,068,112 km (0.12 R)
• M22: 8,353,695 km (0.072 R)
• M23: 8,765,687 km (0.088 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 110.4

Radius: 8

Gravity: 1.73 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 1.78 AU - 2.44 AU

Year: 2011 Days

Day: 11.1 Hours

Environment

Temp: -183 °C

Axial Tilt: 121 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 56,543,221 km

• M1: 107,411 km (0.108 R)
• M2: 364,420 km (0.097 R)
• M3: 622,327 km (0.116 R)
• M4: 773,870 km (0.073 R)
• M5: 1,404,874 km (0.115 R)
• M6: 1,587,682 km (0.087 R)
• M7: 1,948,512 km (0.084 R)
• M8: 2,139,250 km (0.08 R)
• M9: 2,690,667 km (0.037 R)
• M10: 3,297,287 km (0.103 R)
• M11: 3,546,666 km (0.099 R)
• M12: 4,026,277 km (0.081 R)
• M13: 5,334,810 km (0.092 R)
• M14: 5,499,517 km (0.115 R)
• M15: 6,316,471 km (0.107 R)
• M16: 7,049,201 km (0.066 R)
• M17: 7,674,371 km (0.061 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 717

Radius: 12.8

Gravity: 4.38 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 3.24 AU - 5.34 AU

Year: 5829 Days

Day: 9.9 Hours

Environment

Temp: -211 °C

Axial Tilt: 48.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 56,543,221 km

• M1: 160,818 km (0.103 R)
• M2: 510,877 km (0.044 R)
• M3: 869,912 km (0.117 R)
• M4: 1,159,234 km (0.098 R)
• M5: 1,825,094 km (0.085 R)
• M6: 3,221,590 km (0.094 R)
• M7: 4,912,495 km (0.047 R)
• M8: 5,459,724 km (0.049 R)
• M9: 6,322,156 km (0.063 R)
• M10: 8,241,795 km (0.103 R)
• M11: 9,618,096 km (0.047 R)
• M12: 10,052,229 km (0.088 R)
• M13: 10,645,983 km (0.107 R)
• M14: 11,257,090 km (0.111 R)
• M15: 12,045,321 km (0.117 R)
• M16: 12,327,613 km (0.037 R)
• M17: 13,362,830 km (0.078 R)
• M18: 14,047,539 km (0.061 R)
• M19: 14,660,741 km (0.095 R)
• M20: 15,605,601 km (0.118 R)
• M21: 16,065,914 km (0.103 R)
• M22: 16,721,751 km (0.091 R)
• M23: 18,618,801 km (0.103 R)
• M24: 19,273,890 km (0.117 R)
• M25: 19,888,887 km (0.109 R)
• M26: 20,199,901 km (0.084 R)
• M27: 21,415,085 km (0.118 R)
• M28: 22,998,129 km (0.105 R)
• M29: 24,123,105 km (0.075 R)
• M30: 25,450,188 km (0.093 R)
• M31: 27,904,491 km (0.094 R)
• M32: 30,729,048 km (0.088 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 755.7

Radius: 4.3

Gravity: 40.87 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 6.1 AU - 7.3 AU

Year: 11377 Days

Day: 24.6 Hours

Environment

Temp: -217 °C

Axial Tilt: 143.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 56,543,221 km

• M1: 210,783 km (0.054 R)
• M2: 529,876 km (0.086 R)
• M3: 817,104 km (0.05 R)
• M4: 1,036,264 km (0.077 R)
• M5: 1,348,924 km (0.066 R)
• M6: 2,275,533 km (0.108 R)
• M7: 2,980,887 km (0.116 R)
• M8: 3,726,782 km (0.09 R)
• M9: 7,395,670 km (0.108 R)
• M10: 7,676,764 km (0.112 R)
• M11: 10,210,055 km (0.116 R)
• M12: 10,540,367 km (0.1 R)
• M13: 11,364,501 km (0.112 R)
• M14: 14,578,163 km (0.116 R)
• M15: 14,746,461 km (0.095 R)
• M16: 15,545,164 km (0.032 R)
• M17: 15,894,026 km (0.108 R)
• M18: 23,187,520 km (0.083 R)
• M19: 23,329,040 km (0.108 R)
• M20: 24,187,133 km (0.089 R)
• M21: 27,542,913 km (0.117 R)
• M22: 28,867,602 km (0.103 R)
• M23: 30,384,973 km (0.074 R)
• M24: 30,546,838 km (0.065 R)
• M25: 33,281,936 km (0.113 R)
• M26: 39,379,994 km (0.079 R)
• M27: 42,669,651 km (0.079 R)
• M28: 44,706,725 km (0.12 R)
• M29: 51,103,530 km (0.081 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 843.4

Radius: 3.6

Gravity: 65.08 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 7.12 AU - 11.08 AU

Year: 18008 Days

Day: 21.9 Hours

Environment

Temp: -232 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 56,543,221 km

• M1: 143,315 km (0.094 R)
• M2: 745,147 km (0.104 R)
• M3: 1,251,386 km (0.112 R)
• M4: 3,145,894 km (0.109 R)
• M5: 3,428,334 km (0.119 R)
• M6: 5,918,241 km (0.119 R)
• M7: 6,217,736 km (0.058 R)
• M8: 6,392,317 km (0.077 R)
• M9: 7,301,274 km (0.066 R)
• M10: 8,221,001 km (0.109 R)
• M11: 8,778,553 km (0.115 R)
• M12: 9,038,105 km (0.049 R)
• M13: 9,142,973 km (0.088 R)
• M14: 10,059,110 km (0.1 R)
• M15: 10,505,361 km (0.118 R)
• M16: 11,076,825 km (0.068 R)
• M17: 11,604,157 km (0.082 R)
• M18: 14,227,954 km (0.089 R)
• M19: 16,196,064 km (0.091 R)
• M20: 18,817,168 km (0.085 R)
• M21: 20,673,977 km (0.12 R)
• M22: 22,370,417 km (0.11 R)
• M23: 28,602,664 km (0.113 R)
• M24: 29,353,047 km (0.077 R)
• M25: 30,785,895 km (0.069 R)
• M26: 31,662,090 km (0.119 R)
• M27: 36,754,102 km (0.088 R)
• M28: 38,355,697 km (0.109 R)
• M29: 44,521,074 km (0.111 R)
• M30: 46,163,958 km (0.081 R)
• M31: 46,757,862 km (0.076 R)
• M32: 47,595,759 km (0.112 R)
• M33: 52,148,322 km (0.054 R)
• M34: 53,033,044 km (0.104 R)
• M35: 55,342,087 km (0.097 R)
• M36: 56,122,838 km (0.091 R)
• M37: 56,777,478 km (0.092 R)
• M38: 58,898,178 km (0.118 R)
• M39: 62,014,750 km (0.107 R)
• M40: 64,230,295 km (0.066 R)
• M41: 69,793,690 km (0.087 R)
• M42: 73,033,980 km (0.105 R)
• M43: 73,780,623 km (0.103 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 328

Radius: 8

Gravity: 5.13 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 7.88 AU - 10.66 AU

Year: 18515 Days

Day: 17.3 Hours

Environment

Temp: -219 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 56,543,221 km

• M1: 129,402 km (0.096 R)
• M2: 536,608 km (0.111 R)
• M3: 1,438,084 km (0.111 R)
• M4: 1,887,925 km (0.11 R)
• M5: 2,052,184 km (0.109 R)
• M6: 2,334,774 km (0.085 R)
• M7: 2,612,428 km (0.074 R)
• M8: 3,459,900 km (0.1 R)
• M9: 3,915,126 km (0.108 R)
• M10: 4,123,366 km (0.063 R)
• M11: 4,620,031 km (0.078 R)
• M12: 5,664,673 km (0.112 R)
• M13: 5,915,549 km (0.076 R)
• M14: 6,662,790 km (0.115 R)
• M15: 8,164,453 km (0.049 R)
• M16: 8,684,605 km (0.098 R)
• M17: 9,773,678 km (0.081 R)
• M18: 12,042,928 km (0.083 R)
• M19: 12,251,617 km (0.102 R)
• M20: 13,596,352 km (0.107 R)
• M21: 17,990,341 km (0.047 R)
• M22: 21,726,548 km (0.085 R)
• M23: 23,436,152 km (0.083 R)
• M24: 27,678,000 km (0.061 R)
• M25: 31,343,147 km (0.048 R)
• M26: 31,764,415 km (0.062 R)
• M27: 35,594,121 km (0.079 R)
• M28: 40,976,054 km (0.12 R)
• M29: 42,527,683 km (0.1 R)
• M30: 44,307,598 km (0.077 R)
• M31: 50,932,839 km (0.039 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 153 - 11,475 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit