🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.83 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.69

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 0.76 AU - 0.9 AU

Year: 272 Days

Day: 40.4 Hours

Environment

Temp: 144 °C

Axial Tilt: 42.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 108,302,060 km

• M1: 681,867 km (0.028 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.37 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.69

Radius: 1.69

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 1.26 AU - 1.48 AU

Year: 577 Days

Day: 20.2 Hours

Environment

Temp: -1 °C

Axial Tilt: 33.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.83

Radius: 1.27

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 1.78 AU - 1.86 AU

Year: 884 Days

Day: 27.9 Hours

Environment

Temp: -54 °C

Axial Tilt: 0.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.47 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.08

Radius: 1.75

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 3.36 AU - 3.58 AU

Year: 2326 Days

Day: 42.2 Hours

Environment

Temp: -101 °C

Axial Tilt: 27.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.41

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 3.43 AU - 3.67 AU

Year: 2407 Days

Day: 38.5 Hours

Environment

Temp: -121 °C

Axial Tilt: 18.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 5.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 938.8

Radius: 14

Gravity: 4.79 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 4.77 AU - 5.47 AU

Year: 4169 Days

Day: 9.6 Hours

Environment

Temp: -129 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (74)

Outer Limit: 108,302,060 km

• M1: 419,323 km (0.072 R)
• M2: 514,317 km (0.078 R)
• M3: 608,265 km (0.09 R)
• M4: 697,874 km (0.079 R)
• M5: 919,129 km (0.051 R)
• M6: 1,371,513 km (0.104 R)
• M7: 1,479,673 km (0.074 R)
• M8: 1,606,980 km (0.039 R)
• M9: 2,467,766 km (0.103 R)
• M10: 2,976,399 km (0.092 R)
• M11: 3,201,694 km (0.092 R)
• M12: 3,369,094 km (0.086 R)
• M13: 3,669,187 km (0.112 R)
• M14: 3,822,525 km (0.096 R)
• M15: 4,022,986 km (0.06 R)
• M16: 4,135,783 km (0.056 R)
• M17: 4,387,855 km (0.108 R)
• M18: 4,504,093 km (0.095 R)
• M19: 5,446,559 km (0.08 R)
• M20: 5,748,747 km (0.05 R)
• M21: 6,056,619 km (0.111 R)
• M22: 6,212,500 km (0.088 R)
• M23: 6,475,344 km (0.112 R)
• M24: 6,849,638 km (0.075 R)
• M25: 7,039,477 km (0.064 R)
• M26: 7,148,684 km (0.12 R)
• M27: 7,816,190 km (0.11 R)
• M28: 8,186,295 km (0.051 R)
• M29: 8,708,092 km (0.101 R)
• M30: 9,002,650 km (0.102 R)
• M31: 9,151,201 km (0.115 R)
• M32: 9,270,580 km (0.094 R)
• M33: 9,845,036 km (0.096 R)
• M34: 9,967,407 km (0.037 R)
• M35: 10,182,828 km (0.12 R)
• M36: 10,870,080 km (0.025 R)
• M37: 11,060,219 km (0.102 R)
• M38: 11,347,298 km (0.055 R)
• M39: 11,443,639 km (0.039 R)
• M40: 11,540,129 km (0.05 R)
• M41: 12,322,377 km (0.073 R)
• M42: 13,290,424 km (0.114 R)
• M43: 13,561,795 km (0.12 R)
• M44: 13,903,626 km (0.098 R)
• M45: 14,006,699 km (0.11 R)
• M46: 14,352,121 km (0.105 R)
• M47: 14,875,713 km (0.072 R)
• M48: 15,441,193 km (0.106 R)
• M49: 16,593,097 km (0.064 R)
• M50: 16,702,453 km (0.062 R)
• M51: 16,885,411 km (0.115 R)
• M52: 17,253,272 km (0.085 R)
• M53: 17,772,676 km (0.074 R)
• M54: 18,372,563 km (0.086 R)
• M55: 18,599,204 km (0.118 R)
• M56: 19,361,555 km (0.097 R)
• M57: 19,592,384 km (0.114 R)
• M58: 20,485,184 km (0.085 R)
• M59: 20,995,762 km (0.115 R)
• M60: 21,749,436 km (0.117 R)
• M61: 22,391,061 km (0.068 R)
• M62: 22,552,477 km (0.092 R)
• M63: 22,957,588 km (0.088 R)
• M64: 23,446,923 km (0.069 R)
• M65: 23,816,280 km (0.109 R)
• M66: 24,394,626 km (0.093 R)
• M67: 24,852,245 km (0.037 R)
• M68: 25,396,782 km (0.094 R)
• M69: 25,776,012 km (0.119 R)
• M70: 26,157,188 km (0.075 R)
• M71: 27,960,590 km (0.115 R)
• M72: 28,483,135 km (0.104 R)
• M73: 28,877,326 km (0.085 R)
• M74: 29,670,942 km (0.115 R)

Planet 7 - Gas Giant

Semi-Major Axis: 6.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 196.9

Radius: 13.1

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 6.68 AU - 7.3 AU

Year: 6651 Days

Day: 11.4 Hours

Environment

Temp: -160 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (53)

Outer Limit: 108,302,060 km

• M1: 168,896 km (0.043 R)
• M2: 287,378 km (0.077 R)
• M3: 414,685 km (0.105 R)
• M4: 756,217 km (0.113 R)
• M5: 920,027 km (0.115 R)
• M6: 1,170,603 km (0.063 R)
• M7: 1,403,527 km (0.074 R)
• M8: 1,855,762 km (0.084 R)
• M9: 2,718,044 km (0.091 R)
• M10: 2,942,590 km (0.118 R)
• M11: 3,191,521 km (0.102 R)
• M12: 3,634,181 km (0.102 R)
• M13: 4,136,082 km (0.075 R)
• M14: 4,295,104 km (0.098 R)
• M15: 4,435,726 km (0.102 R)
• M16: 4,951,091 km (0.065 R)
• M17: 5,141,380 km (0.083 R)
• M18: 5,355,604 km (0.084 R)
• M19: 5,837,459 km (0.047 R)
• M20: 6,494,044 km (0.115 R)
• M21: 7,150,180 km (0.09 R)
• M22: 7,413,921 km (0.069 R)
• M23: 7,705,188 km (0.107 R)
• M24: 7,803,175 km (0.049 R)
• M25: 8,149,344 km (0.109 R)
• M26: 8,324,224 km (0.081 R)
• M27: 8,652,591 km (0.114 R)
• M28: 9,374,102 km (0.102 R)
• M29: 9,636,496 km (0.091 R)
• M30: 9,795,070 km (0.084 R)
• M31: 10,737,686 km (0.117 R)
• M32: 11,233,753 km (0.045 R)
• M33: 11,765,573 km (0.108 R)
• M34: 12,362,918 km (0.114 R)
• M35: 12,506,681 km (0.075 R)
• M36: 13,439,574 km (0.116 R)
• M37: 13,676,237 km (0.1 R)
• M38: 13,824,938 km (0.079 R)
• M39: 14,243,961 km (0.108 R)
• M40: 14,880,650 km (0.098 R)
• M41: 15,310,145 km (0.102 R)
• M42: 15,650,480 km (0.099 R)
• M43: 16,307,215 km (0.057 R)
• M44: 16,845,618 km (0.12 R)
• M45: 17,777,313 km (0.079 R)
• M46: 17,939,627 km (0.055 R)
• M47: 18,364,036 km (0.078 R)
• M48: 18,957,192 km (0.067 R)
• M49: 19,222,878 km (0.11 R)
• M50: 20,196,161 km (0.044 R)
• M51: 20,365,506 km (0.102 R)
• M52: 23,745,072 km (0.065 R)
• M53: 23,888,237 km (0.112 R)

Planet 8 - Gas Giant

Semi-Major Axis: 7.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 633.1

Radius: 10.9

Gravity: 5.33 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 6.28 AU - 8.38 AU

Year: 7142 Days

Day: 9.7 Hours

Environment

Temp: -166 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (83)

Outer Limit: 108,302,060 km

• M1: 148,700 km (0.053 R)
• M2: 273,764 km (0.111 R)
• M3: 348,264 km (0.114 R)
• M4: 455,526 km (0.11 R)
• M5: 551,119 km (0.118 R)
• M6: 668,254 km (0.087 R)
• M7: 794,664 km (0.086 R)
• M8: 960,867 km (0.093 R)
• M9: 1,310,926 km (0.063 R)
• M10: 1,528,741 km (0.06 R)
• M11: 1,719,478 km (0.105 R)
• M12: 1,837,810 km (0.108 R)
• M13: 1,958,835 km (0.05 R)
• M14: 2,273,439 km (0.09 R)
• M15: 2,649,528 km (0.114 R)
• M16: 2,833,384 km (0.099 R)
• M17: 3,189,726 km (0.113 R)
• M18: 3,287,114 km (0.099 R)
• M19: 3,385,699 km (0.101 R)
• M20: 3,636,275 km (0.105 R)
• M21: 3,815,344 km (0.087 R)
• M22: 3,919,015 km (0.117 R)
• M23: 5,035,016 km (0.116 R)
• M24: 6,335,171 km (0.066 R)
• M25: 6,769,752 km (0.105 R)
• M26: 7,439,801 km (0.116 R)
• M27: 7,569,802 km (0.103 R)
• M28: 7,865,258 km (0.082 R)
• M29: 9,188,600 km (0.08 R)
• M30: 9,609,569 km (0.093 R)
• M31: 9,822,596 km (0.069 R)
• M32: 10,108,777 km (0.094 R)
• M33: 10,434,302 km (0.045 R)
• M34: 11,356,124 km (0.101 R)
• M35: 11,770,061 km (0.073 R)
• M36: 11,845,907 km (0.069 R)
• M37: 11,959,901 km (0.098 R)
• M38: 12,963,104 km (0.093 R)
• M39: 13,198,571 km (0.084 R)
• M40: 13,474,879 km (0.078 R)
• M41: 13,593,959 km (0.095 R)
• M42: 13,953,143 km (0.05 R)
• M43: 14,033,477 km (0.028 R)
• M44: 14,844,447 km (0.119 R)
• M45: 15,131,974 km (0.101 R)
• M46: 15,214,403 km (0.115 R)
• M47: 15,587,350 km (0.066 R)
• M48: 15,837,777 km (0.104 R)
• M49: 16,596,837 km (0.06 R)
• M50: 16,980,705 km (0.03 R)
• M51: 17,454,032 km (0.11 R)
• M52: 17,714,033 km (0.039 R)
• M53: 17,844,483 km (0.061 R)
• M54: 18,106,429 km (0.113 R)
• M55: 19,077,768 km (0.067 R)
• M56: 19,345,548 km (0.075 R)
• M57: 20,247,324 km (0.1 R)
• M58: 22,514,180 km (0.104 R)
• M59: 25,201,706 km (0.103 R)
• M60: 26,235,427 km (0.109 R)
• M61: 26,433,944 km (0.038 R)
• M62: 26,533,426 km (0.04 R)
• M63: 26,632,909 km (0.115 R)
• M64: 26,832,323 km (0.101 R)
• M65: 26,932,254 km (0.096 R)
• M66: 27,333,326 km (0.115 R)
• M67: 27,484,121 km (0.098 R)
• M68: 27,989,014 km (0.12 R)
• M69: 29,007,925 km (0.104 R)
• M70: 29,316,096 km (0.035 R)
• M71: 29,419,020 km (0.104 R)
• M72: 30,246,745 km (0.112 R)
• M73: 30,977,381 km (0.095 R)
• M74: 31,082,099 km (0.107 R)
• M75: 31,608,235 km (0.092 R)
• M76: 32,084,106 km (0.118 R)
• M77: 32,455,856 km (0.096 R)
• M78: 33,257,402 km (0.044 R)
• M79: 33,418,519 km (0.094 R)
• M80: 35,920,842 km (0.1 R)
• M81: 36,362,156 km (0.08 R)
• M82: 36,583,561 km (0.102 R)
• M83: 37,250,319 km (0.053 R)

Planet 9 - Gas Giant

Semi-Major Axis: 9.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 866.5

Radius: 8.8

Gravity: 11.19 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 8.84 AU - 10.17 AU

Year: 10538 Days

Day: 13.9 Hours

Environment

Temp: -171 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (90)

Outer Limit: 108,302,060 km

• M1: 296,353 km (0.089 R)
• M2: 638,035 km (0.12 R)
• M3: 763,099 km (0.066 R)
• M4: 936,483 km (0.08 R)
• M5: 1,187,807 km (0.088 R)
• M6: 1,390,512 km (0.108 R)
• M7: 1,531,882 km (0.114 R)
• M8: 1,702,873 km (0.106 R)
• M9: 2,253,393 km (0.108 R)
• M10: 2,392,369 km (0.098 R)
• M11: 3,538,139 km (0.118 R)
• M12: 3,602,616 km (0.033 R)
• M13: 3,732,766 km (0.101 R)
• M14: 3,997,853 km (0.074 R)
• M15: 4,372,297 km (0.108 R)
• M16: 4,973,232 km (0.044 R)
• M17: 6,057,367 km (0.079 R)
• M18: 7,417,661 km (0.045 R)
• M19: 7,835,188 km (0.058 R)
• M20: 7,962,047 km (0.084 R)
• M21: 8,606,066 km (0.115 R)
• M22: 8,780,647 km (0.112 R)
• M23: 10,219,180 km (0.047 R)
• M24: 10,311,482 km (0.115 R)
• M25: 10,636,857 km (0.04 R)
• M26: 10,777,330 km (0.114 R)
• M27: 11,107,492 km (0.117 R)
• M28: 11,297,631 km (0.117 R)
• M29: 11,584,859 km (0.112 R)
• M30: 13,510,184 km (0.097 R)
• M31: 14,019,714 km (0.095 R)
• M32: 14,587,438 km (0.091 R)
• M33: 14,691,558 km (0.036 R)
• M34: 15,320,916 km (0.115 R)
• M35: 15,745,325 km (0.11 R)
• M36: 17,041,890 km (0.1 R)
• M37: 17,206,448 km (0.088 R)
• M38: 17,703,113 km (0.107 R)
• M39: 18,148,466 km (0.089 R)
• M40: 18,766,903 km (0.095 R)
• M41: 19,678,702 km (0.056 R)
• M42: 19,736,297 km (0.12 R)
• M43: 21,132,345 km (0.113 R)
• M44: 21,782,796 km (0.115 R)
• M45: 22,439,830 km (0.084 R)
• M46: 23,224,621 km (0.083 R)
• M47: 24,449,678 km (0.088 R)
• M48: 24,697,262 km (0.104 R)
• M49: 24,821,279 km (0.088 R)
• M50: 25,507,484 km (0.111 R)
• M51: 26,326,383 km (0.092 R)
• M52: 26,834,567 km (0.115 R)
• M53: 27,026,052 km (0.074 R)
• M54: 27,667,378 km (0.082 R)
• M55: 27,796,332 km (0.114 R)
• M56: 28,054,687 km (0.069 R)
• M57: 28,119,313 km (0.103 R)
• M58: 28,573,792 km (0.081 R)
• M59: 28,834,391 km (0.095 R)
• M60: 31,015,528 km (0.098 R)
• M61: 31,082,398 km (0.065 R)
• M62: 31,821,711 km (0.061 R)
• M63: 34,281,549 km (0.097 R)
• M64: 36,095,722 km (0.08 R)
• M65: 36,448,175 km (0.105 R)
• M66: 37,583,772 km (0.093 R)
• M67: 38,730,889 km (0.097 R)
• M68: 39,091,719 km (0.098 R)
• M69: 39,671,411 km (0.048 R)
• M70: 41,427,390 km (0.076 R)
• M71: 41,501,142 km (0.118 R)
• M72: 41,722,547 km (0.049 R)
• M73: 42,612,056 km (0.106 R)
• M74: 43,208,652 km (0.115 R)
• M75: 43,507,848 km (0.083 R)
• M76: 43,958,138 km (0.103 R)
• M77: 45,622,264 km (0.1 R)
• M78: 45,698,260 km (0.041 R)
• M79: 48,467,017 km (0.074 R)
• M80: 48,778,031 km (0.077 R)
• M81: 49,636,723 km (0.034 R)
• M82: 49,714,963 km (0.067 R)
• M83: 50,264,286 km (0.051 R)
• M84: 51,210,493 km (0.102 R)
• M85: 51,844,638 km (0.092 R)
• M86: 52,242,269 km (0.069 R)
• M87: 52,640,948 km (0.098 R)
• M88: 52,720,833 km (0.098 R)
• M89: 53,040,673 km (0.031 R)
• M90: 53,682,298 km (0.12 R)

Planet 10 - Ice Giant

Semi-Major Axis: 18.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 910.8

Radius: 7.3

Gravity: 17.09 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 14.82 AU - 22.88 AU

Year: 29454 Days

Day: 22 Hours

Environment

Temp: -197 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (90)

Outer Limit: 108,302,060 km

• M1: 94,247 km (0.085 R)
• M2: 141,071 km (0.108 R)
• M3: 215,571 km (0.075 R)
• M4: 396,883 km (0.118 R)
• M5: 681,418 km (0.06 R)
• M6: 1,264,551 km (0.071 R)
• M7: 2,269,101 km (0.07 R)
• M8: 4,988,341 km (0.106 R)
• M9: 5,339,447 km (0.099 R)
• M10: 5,638,194 km (0.091 R)
• M11: 7,016,290 km (0.118 R)
• M12: 7,081,365 km (0.109 R)
• M13: 7,542,126 km (0.099 R)
• M14: 8,701,360 km (0.025 R)
• M15: 9,052,766 km (0.107 R)
• M16: 9,842,194 km (0.107 R)
• M17: 10,134,657 km (0.095 R)
• M18: 10,282,011 km (0.074 R)
• M19: 10,803,360 km (0.082 R)
• M20: 10,953,855 km (0.118 R)
• M21: 11,562,868 km (0.111 R)
• M22: 13,617,146 km (0.075 R)
• M23: 15,866,649 km (0.116 R)
• M24: 17,694,137 km (0.069 R)
• M25: 17,960,720 km (0.118 R)
• M26: 18,049,881 km (0.062 R)
• M27: 19,221,830 km (0.108 R)
• M28: 19,404,340 km (0.051 R)
• M29: 21,449,343 km (0.071 R)
• M30: 23,659,502 km (0.044 R)
• M31: 25,239,106 km (0.11 R)
• M32: 26,142,677 km (0.119 R)
• M33: 26,446,211 km (0.087 R)
• M34: 28,291,650 km (0.1 R)
• M35: 29,439,814 km (0.117 R)
• M36: 31,781,320 km (0.025 R)
• M37: 34,403,322 km (0.115 R)
• M38: 35,292,531 km (0.088 R)
• M39: 36,753,654 km (0.094 R)
• M40: 37,093,690 km (0.058 R)
• M41: 38,234,523 km (0.095 R)
• M42: 38,464,006 km (0.118 R)
• M43: 38,924,618 km (0.083 R)
• M44: 40,083,702 km (0.119 R)
• M45: 41,136,722 km (0.076 R)
• M46: 41,371,890 km (0.075 R)
• M47: 42,198,717 km (0.104 R)
• M48: 43,150,159 km (0.074 R)
• M49: 44,470,211 km (0.097 R)
• M50: 45,074,437 km (0.083 R)
• M51: 45,681,505 km (0.044 R)
• M52: 48,260,572 km (0.059 R)
• M53: 48,508,755 km (0.106 R)
• M54: 48,757,237 km (0.111 R)
• M55: 51,772,233 km (0.096 R)
• M56: 53,944,095 km (0.109 R)
• M57: 55,105,872 km (0.086 R)
• M58: 57,717,102 km (0.079 R)
• M59: 58,772,815 km (0.114 R)
• M60: 59,037,752 km (0.105 R)
• M61: 59,435,832 km (0.108 R)
• M62: 59,568,825 km (0.059 R)
• M63: 60,101,393 km (0.104 R)
• M64: 60,234,835 km (0.064 R)
• M65: 62,788,171 km (0.058 R)
• M66: 63,059,093 km (0.083 R)
• M67: 63,330,314 km (0.094 R)
• M68: 64,419,087 km (0.108 R)
• M69: 65,513,994 km (0.1 R)
• M70: 68,417,240 km (0.109 R)
• M71: 68,695,941 km (0.097 R)
• M72: 68,975,090 km (0.042 R)
• M73: 69,114,665 km (0.102 R)
• M74: 71,362,373 km (0.119 R)
• M75: 72,211,341 km (0.119 R)
• M76: 75,353,046 km (0.051 R)
• M77: 75,496,809 km (0.088 R)
• M78: 76,361,934 km (0.118 R)
• M79: 79,854,895 km (0.102 R)
• M80: 82,953,814 km (0.041 R)
• M81: 83,102,365 km (0.104 R)
• M82: 84,742,107 km (0.08 R)
• M83: 96,203,399 km (0.081 R)
• M84: 98,081,750 km (0.095 R)
• M85: 99,656,417 km (0.11 R)
• M86: 99,972,218 km (0.117 R)
• M87: 105,554,462 km (0.117 R)
• M88: 105,876,397 km (0.053 R)
• M89: 106,198,780 km (0.098 R)
• M90: 107,006,160 km (0.059 R)

Kuiper Belt

Range: 30.5 - 49.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 403 - 17,419 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit