Star System Generated (Seed: 1766189543)
Star Details
Spectral Class: M9V
Temperature: 2,400 K
Mass: 0.27 sol
Luminosity: 0.01 lux
Habitable Zone (HZ)
Inner Boundary: 0.1 AU
Outer Boundary: 0.14 AU
Physical Limits
Snow Line: 0.48 AU
Max System Radius: 10.4 AU
Planetary System (6 Planets)
Planet 1 - Gas Giant
Semi-Major Axis: 0.67 AU
Status: Outer (Cold)
Composition: Hydrogen/Helium Atmosphere
Physical Data
Mass: 611
Radius: 11
Gravity: 5.05 G
Time & Orbit
Eccentricity (e): 0.148
Orbit Range: 0.57 AU - 0.77 AU
Year: 385 Days
Day: 5.3 Hours
Environment
Temp: -154 °C
Axial Tilt: 4.5 °
Atmosphere: Hâ‚‚, CHâ‚„
Biome: None
Satellites (45)
Outer Limit: 54,566,914 km
- M1: 158,275 km (0.096 R)
- M2: 235,916 km (0.107 R)
- M3: 318,793 km (0.096 R)
- M4: 405,410 km (0.095 R)
- M5: 477,367 km (0.09 R)
- M6: 612,753 km (0.109 R)
- M7: 687,851 km (0.054 R)
- M8: 816,655 km (0.106 R)
- M9: 896,690 km (0.118 R)
- M10: 971,040 km (0.073 R)
- M11: 1,047,783 km (0.054 R)
- M12: 1,117,945 km (0.098 R)
- M13: 1,212,491 km (0.111 R)
- M14: 1,366,726 km (0.084 R)
- M15: 1,458,579 km (0.12 R)
- M16: 1,552,676 km (0.09 R)
- M17: 1,684,921 km (0.109 R)
- M18: 1,826,440 km (0.066 R)
- M19: 1,922,931 km (0.112 R)
- M20: 2,015,682 km (0.043 R)
- M21: 2,104,393 km (0.094 R)
- M22: 2,211,655 km (0.12 R)
- M23: 2,343,899 km (0.105 R)
- M24: 2,413,911 km (0.109 R)
- M25: 2,526,259 km (0.096 R)
- M26: 2,689,171 km (0.099 R)
- M27: 2,962,038 km (0.099 R)
- M28: 3,076,331 km (0.111 R)
- M29: 3,172,672 km (0.094 R)
- M30: 3,257,045 km (0.072 R)
- M31: 3,361,913 km (0.066 R)
- M32: 3,494,606 km (0.071 R)
- M33: 3,765,378 km (0.099 R)
- M34: 3,903,308 km (0.069 R)
- M35: 4,035,851 km (0.097 R)
- M36: 4,113,343 km (0.111 R)
- M37: 4,198,464 km (0.113 R)
- M38: 4,269,822 km (0.077 R)
- M39: 4,377,682 km (0.113 R)
- M40: 4,457,418 km (0.107 R)
- M41: 4,706,798 km (0.117 R)
- M42: 4,810,768 km (0.104 R)
- M43: 4,990,884 km (0.072 R)
- M44: 5,089,469 km (0.109 R)
- M45: 5,249,988 km (0.103 R)
Planet 2 - Gas Giant
Semi-Major Axis: 0.85 AU
Status: Outer (Cold)
Composition: Hydrogen/Helium Atmosphere
Physical Data
Mass: 386.8
Radius: 10.6
Gravity: 3.44 G
Time & Orbit
Eccentricity (e): 0.039
Orbit Range: 0.82 AU - 0.88 AU
Year: 551 Days
Day: 12.4 Hours
Environment
Temp: -162 °C
Axial Tilt: 34.9 °
Atmosphere: Hâ‚‚, CHâ‚„
Biome: None
Satellites (48)
Outer Limit: 54,566,914 km
- M1: 132,693 km (0.091 R)
- M2: 220,507 km (0.086 R)
- M3: 316,998 km (0.079 R)
- M4: 400,623 km (0.097 R)
- M5: 477,068 km (0.068 R)
- M6: 595,998 km (0.038 R)
- M7: 674,986 km (0.085 R)
- M8: 790,774 km (0.063 R)
- M9: 866,172 km (0.098 R)
- M10: 975,528 km (0.115 R)
- M11: 1,099,096 km (0.105 R)
- M12: 1,165,367 km (0.109 R)
- M13: 1,262,456 km (0.096 R)
- M14: 1,377,796 km (0.07 R)
- M15: 1,475,783 km (0.104 R)
- M16: 1,560,156 km (0.106 R)
- M17: 1,662,631 km (0.074 R)
- M18: 1,773,034 km (0.039 R)
- M19: 1,891,665 km (0.082 R)
- M20: 2,001,320 km (0.09 R)
- M21: 2,077,615 km (0.076 R)
- M22: 2,190,861 km (0.062 R)
- M23: 2,269,699 km (0.072 R)
- M24: 2,380,252 km (0.086 R)
- M25: 2,448,917 km (0.088 R)
- M26: 2,581,610 km (0.065 R)
- M27: 2,690,817 km (0.059 R)
- M28: 2,860,910 km (0.116 R)
- M29: 2,974,155 km (0.037 R)
- M30: 3,150,232 km (0.12 R)
- M31: 3,246,423 km (0.115 R)
- M32: 3,364,755 km (0.111 R)
- M33: 3,434,917 km (0.098 R)
- M34: 3,641,362 km (0.077 R)
- M35: 3,720,798 km (0.086 R)
- M36: 3,866,656 km (0.073 R)
- M37: 4,014,459 km (0.12 R)
- M38: 4,104,068 km (0.037 R)
- M39: 4,270,122 km (0.081 R)
- M40: 4,438,419 km (0.116 R)
- M41: 4,531,170 km (0.064 R)
- M42: 4,671,493 km (0.047 R)
- M43: 4,900,527 km (0.07 R)
- M44: 5,052,668 km (0.048 R)
- M45: 5,222,761 km (0.063 R)
- M46: 5,296,213 km (0.069 R)
- M47: 5,402,877 km (0.119 R)
- M48: 5,676,940 km (0.11 R)
Planet 3 - Gas Giant
Semi-Major Axis: 1.96 AU
Status: Outer (Cold)
Composition: Hydrogen/Helium Atmosphere
Physical Data
Mass: 958.6
Radius: 9.1
Gravity: 11.58 G
Time & Orbit
Eccentricity (e): 0.214
Orbit Range: 1.54 AU - 2.38 AU
Year: 1929 Days
Day: 8.6 Hours
Environment
Temp: -196 °C
Axial Tilt: 24.7 °
Atmosphere: Hâ‚‚, CHâ‚„
Biome: None
Satellites (75)
Outer Limit: 54,566,914 km
- M1: 125,961 km (0.082 R)
- M2: 187,745 km (0.1 R)
- M3: 244,892 km (0.104 R)
- M4: 312,061 km (0.107 R)
- M5: 394,340 km (0.084 R)
- M6: 561,740 km (0.115 R)
- M7: 625,768 km (0.112 R)
- M8: 726,896 km (0.084 R)
- M9: 815,757 km (0.094 R)
- M10: 880,383 km (0.072 R)
- M11: 1,085,033 km (0.114 R)
- M12: 1,198,429 km (0.084 R)
- M13: 1,294,321 km (0.112 R)
- M14: 1,403,976 km (0.102 R)
- M15: 1,516,922 km (0.046 R)
- M16: 1,609,374 km (0.103 R)
- M17: 1,703,920 km (0.088 R)
- M18: 1,836,912 km (0.101 R)
- M19: 2,100,653 km (0.106 R)
- M20: 2,256,684 km (0.088 R)
- M21: 2,322,956 km (0.051 R)
- M22: 2,539,424 km (0.105 R)
- M23: 2,608,388 km (0.1 R)
- M24: 2,692,014 km (0.114 R)
- M25: 2,776,536 km (0.115 R)
- M26: 2,876,318 km (0.112 R)
- M27: 3,064,812 km (0.049 R)
- M28: 3,182,844 km (0.072 R)
- M29: 3,287,413 km (0.079 R)
- M30: 3,423,547 km (0.05 R)
- M31: 3,732,916 km (0.097 R)
- M32: 4,002,940 km (0.101 R)
- M33: 4,148,349 km (0.107 R)
- M34: 4,213,723 km (0.1 R)
- M35: 4,312,159 km (0.05 R)
- M36: 4,936,879 km (0.072 R)
- M37: 5,233,382 km (0.028 R)
- M38: 5,535,720 km (0.116 R)
- M39: 5,990,796 km (0.073 R)
- M40: 6,250,797 km (0.106 R)
- M41: 6,628,831 km (0.114 R)
- M42: 7,328,052 km (0.079 R)
- M43: 7,426,936 km (0.105 R)
- M44: 7,546,315 km (0.072 R)
- M45: 7,646,246 km (0.118 R)
- M46: 7,706,534 km (0.091 R)
- M47: 7,887,997 km (0.109 R)
- M48: 7,969,079 km (0.109 R)
- M49: 8,132,140 km (0.09 R)
- M50: 8,234,764 km (0.055 R)
- M51: 8,690,888 km (0.063 R)
- M52: 8,964,204 km (0.064 R)
- M53: 9,048,876 km (0.105 R)
- M54: 9,823,195 km (0.045 R)
- M55: 10,218,283 km (0.112 R)
- M56: 10,506,857 km (0.09 R)
- M57: 11,046,756 km (0.076 R)
- M58: 11,503,627 km (0.04 R)
- M59: 11,896,771 km (0.056 R)
- M60: 12,176,967 km (0.105 R)
- M61: 12,577,591 km (0.118 R)
- M62: 12,958,616 km (0.069 R)
- M63: 13,319,297 km (0.117 R)
- M64: 13,416,087 km (0.065 R)
- M65: 14,075,215 km (0.085 R)
- M66: 14,371,568 km (0.119 R)
- M67: 14,446,068 km (0.092 R)
- M68: 15,475,900 km (0.119 R)
- M69: 15,807,259 km (0.093 R)
- M70: 16,166,892 km (0.101 R)
- M71: 16,373,637 km (0.1 R)
- M72: 16,555,248 km (0.099 R)
- M73: 16,868,058 km (0.098 R)
- M74: 17,103,973 km (0.103 R)
- M75: 17,579,096 km (0.094 R)
Planet 4 - Ice Giant
Semi-Major Axis: 5.65 AU
Status: Outer (Cold)
Composition: Methane/Ammonia Ices
Physical Data
Mass: 655.2
Radius: 6.5
Gravity: 15.51 G
Time & Orbit
Eccentricity (e): 0.017
Orbit Range: 5.55 AU - 5.75 AU
Year: 9440 Days
Day: 15.4 Hours
Environment
Temp: -231 °C
Axial Tilt: 20 °
Atmosphere: Hâ‚‚, CHâ‚„
Biome: None
Satellites (90)
Outer Limit: 54,566,914 km
- M1: 82,279 km (0.119 R)
- M2: 271,071 km (0.118 R)
- M3: 352,752 km (0.079 R)
- M4: 499,507 km (0.092 R)
- M5: 698,173 km (0.11 R)
- M6: 1,165,667 km (0.104 R)
- M7: 1,326,185 km (0.088 R)
- M8: 1,388,268 km (0.109 R)
- M9: 1,580,502 km (0.072 R)
- M10: 1,713,494 km (0.095 R)
- M11: 1,850,077 km (0.071 R)
- M12: 2,637,710 km (0.073 R)
- M13: 2,742,877 km (0.12 R)
- M14: 2,903,096 km (0.112 R)
- M15: 3,345,308 km (0.118 R)
- M16: 3,459,152 km (0.068 R)
- M17: 3,690,729 km (0.074 R)
- M18: 4,017,451 km (0.056 R)
- M19: 4,138,625 km (0.118 R)
- M20: 4,446,647 km (0.074 R)
- M21: 4,987,443 km (0.11 R)
- M22: 5,381,634 km (0.1 R)
- M23: 7,202,539 km (0.082 R)
- M24: 7,647,593 km (0.049 R)
- M25: 8,525,283 km (0.069 R)
- M26: 8,916,781 km (0.102 R)
- M27: 9,274,170 km (0.095 R)
- M28: 9,394,297 km (0.068 R)
- M29: 10,708,066 km (0.068 R)
- M30: 11,471,913 km (0.12 R)
- M31: 11,903,951 km (0.09 R)
- M32: 12,034,550 km (0.11 R)
- M33: 12,209,580 km (0.076 R)
- M34: 12,694,875 km (0.114 R)
- M35: 12,917,627 km (0.091 R)
- M36: 13,141,724 km (0.106 R)
- M37: 14,839,062 km (0.066 R)
- M38: 14,932,710 km (0.099 R)
- M39: 14,979,684 km (0.109 R)
- M40: 15,928,433 km (0.079 R)
- M41: 16,361,818 km (0.074 R)
- M42: 16,798,943 km (0.111 R)
- M43: 17,387,761 km (0.079 R)
- M44: 17,437,128 km (0.12 R)
- M45: 17,784,195 km (0.078 R)
- M46: 18,333,967 km (0.104 R)
- M47: 19,501,578 km (0.064 R)
- M48: 20,902,562 km (0.098 R)
- M49: 22,068,079 km (0.091 R)
- M50: 22,228,598 km (0.059 R)
- M51: 22,389,565 km (0.12 R)
- M52: 23,200,087 km (0.112 R)
- M53: 23,581,561 km (0.116 R)
- M54: 23,745,670 km (0.079 R)
- M55: 24,961,003 km (0.081 R)
- M56: 26,366,475 km (0.043 R)
- M57: 26,593,714 km (0.116 R)
- M58: 26,650,711 km (0.08 R)
- M59: 26,992,991 km (0.114 R)
- M60: 29,077,488 km (0.064 R)
- M61: 29,136,130 km (0.061 R)
- M62: 29,783,739 km (0.065 R)
- M63: 30,079,644 km (0.11 R)
- M64: 32,908,839 km (0.093 R)
- M65: 33,276,102 km (0.073 R)
- M66: 33,521,741 km (0.077 R)
- M67: 33,952,882 km (0.117 R)
- M68: 34,076,450 km (0.067 R)
- M69: 34,448,051 km (0.104 R)
- M70: 34,758,616 km (0.072 R)
- M71: 35,132,611 km (0.103 R)
- M72: 35,696,146 km (0.088 R)
- M73: 36,010,451 km (0.095 R)
- M74: 36,262,673 km (0.104 R)
- M75: 36,452,064 km (0.106 R)
- M76: 36,578,624 km (0.037 R)
- M77: 37,276,947 km (0.063 R)
- M78: 37,340,676 km (0.103 R)
- M79: 37,468,283 km (0.108 R)
- M80: 37,979,758 km (0.083 R)
- M81: 38,364,972 km (0.053 R)
- M82: 39,074,515 km (0.049 R)
- M83: 40,506,615 km (0.061 R)
- M84: 40,768,861 km (0.106 R)
- M85: 41,097,377 km (0.091 R)
- M86: 41,889,648 km (0.112 R)
- M87: 42,420,421 km (0.08 R)
- M88: 42,753,426 km (0.108 R)
- M89: 43,221,069 km (0.084 R)
- M90: 44,093,823 km (0.044 R)
Planet 5 - Ice Giant
Semi-Major Axis: 7.56 AU
Status: Outer (Cold)
Composition: Methane/Ammonia Ices
Physical Data
Mass: 986.6
Radius: 5.1
Gravity: 37.93 G
Time & Orbit
Eccentricity (e): 0.243
Orbit Range: 5.72 AU - 9.4 AU
Year: 14611 Days
Day: 15.9 Hours
Environment
Temp: -229 °C
Axial Tilt: 26.1 °
Atmosphere: Hâ‚‚, CHâ‚„
Biome: None
Satellites (94)
Outer Limit: 54,566,914 km
- M1: 69,713 km (0.108 R)
- M2: 290,669 km (0.071 R)
- M3: 389,702 km (0.1 R)
- M4: 480,957 km (0.119 R)
- M5: 818,749 km (0.109 R)
- M6: 1,244,205 km (0.056 R)
- M7: 1,522,458 km (0.057 R)
- M8: 1,668,764 km (0.088 R)
- M9: 1,819,708 km (0.119 R)
- M10: 2,038,421 km (0.106 R)
- M11: 2,167,224 km (0.109 R)
- M12: 2,265,660 km (0.056 R)
- M13: 2,535,086 km (0.079 R)
- M14: 2,779,229 km (0.064 R)
- M15: 2,814,684 km (0.052 R)
- M16: 4,313,056 km (0.035 R)
- M17: 4,730,883 km (0.083 R)
- M18: 6,245,412 km (0.119 R)
- M19: 6,432,708 km (0.053 R)
- M20: 6,527,105 km (0.04 R)
- M21: 6,812,986 km (0.11 R)
- M22: 6,909,178 km (0.031 R)
- M23: 7,102,907 km (0.072 R)
- M24: 7,595,084 km (0.109 R)
- M25: 8,047,318 km (0.05 R)
- M26: 9,887,821 km (0.052 R)
- M27: 10,270,791 km (0.105 R)
- M28: 11,164,639 km (0.082 R)
- M29: 11,391,878 km (0.082 R)
- M30: 11,851,143 km (0.087 R)
- M31: 12,316,393 km (0.081 R)
- M32: 12,669,294 km (0.113 R)
- M33: 13,324,832 km (0.087 R)
- M34: 14,297,966 km (0.048 R)
- M35: 14,668,670 km (0.105 R)
- M36: 15,105,346 km (0.079 R)
- M37: 15,609,491 km (0.11 R)
- M38: 15,799,929 km (0.119 R)
- M39: 16,440,507 km (0.092 R)
- M40: 16,569,610 km (0.107 R)
- M41: 16,893,938 km (0.117 R)
- M42: 17,746,795 km (0.105 R)
- M43: 18,278,616 km (0.116 R)
- M44: 19,086,145 km (0.119 R)
- M45: 19,905,193 km (0.048 R)
- M46: 21,155,233 km (0.083 R)
- M47: 21,718,918 km (0.107 R)
- M48: 23,584,703 km (0.063 R)
- M49: 23,949,422 km (0.067 R)
- M50: 25,875,495 km (0.118 R)
- M51: 26,326,981 km (0.116 R)
- M52: 27,773,892 km (0.07 R)
- M53: 29,012,263 km (0.116 R)
- M54: 29,246,533 km (0.117 R)
- M55: 30,268,586 km (0.112 R)
- M56: 31,702,930 km (0.091 R)
- M57: 31,944,232 km (0.088 R)
- M58: 32,590,345 km (0.087 R)
- M59: 32,996,503 km (0.082 R)
- M60: 33,077,884 km (0.092 R)
- M61: 33,731,627 km (0.114 R)
- M62: 34,803,047 km (0.103 R)
- M63: 38,854,457 km (0.114 R)
- M64: 39,198,831 km (0.089 R)
- M65: 39,717,187 km (0.116 R)
- M66: 40,324,704 km (0.089 R)
- M67: 40,498,986 km (0.077 R)
- M68: 40,673,417 km (0.117 R)
- M69: 41,989,430 km (0.046 R)
- M70: 46,020,494 km (0.109 R)
- M71: 50,735,819 km (0.114 R)
- M72: 51,583,739 km (0.109 R)
- M73: 52,436,447 km (0.086 R)
- M74: 53,102,756 km (0.046 R)
- M75: 54,155,476 km (0.102 R)
- M76: 54,443,901 km (0.051 R)
- M77: 55,408,658 km (0.072 R)
- M78: 55,990,145 km (0.117 R)
- M79: 56,087,234 km (0.095 R)
- M80: 58,533,608 km (0.032 R)
- M81: 61,314,333 km (0.113 R)
- M82: 61,514,644 km (0.041 R)
- M83: 61,715,106 km (0.062 R)
- M84: 62,016,246 km (0.099 R)
- M85: 63,630,706 km (0.043 R)
- M86: 64,341,296 km (0.099 R)
- M87: 64,850,527 km (0.113 R)
- M88: 66,283,376 km (0.11 R)
- M89: 66,386,149 km (0.097 R)
- M90: 66,591,697 km (0.075 R)
- M91: 66,900,617 km (0.05 R)
- M92: 67,726,546 km (0.092 R)
- M93: 68,452,096 km (0.116 R)
- M94: 69,597,417 km (0.037 R)
Planet 6 - Ice Giant
Semi-Major Axis: 8.44 AU
Status: Outer (Cold)
Composition: Methane/Ammonia Ices
Physical Data
Mass: 340.2
Radius: 3.9
Gravity: 22.37 G
Time & Orbit
Eccentricity (e): 0.187
Orbit Range: 6.86 AU - 10.02 AU
Year: 17235 Days
Day: 23.2 Hours
Environment
Temp: -225 °C
Axial Tilt: 34.8 °
Atmosphere: Hâ‚‚, CHâ‚„
Biome: None
Satellites (77)
Outer Limit: 54,566,914 km
- M1: 87,515 km (0.085 R)
- M2: 158,873 km (0.112 R)
- M3: 375,341 km (0.103 R)
- M4: 713,731 km (0.025 R)
- M5: 751,729 km (0.071 R)
- M6: 849,716 km (0.09 R)
- M7: 890,107 km (0.104 R)
- M8: 952,041 km (0.12 R)
- M9: 1,168,359 km (0.07 R)
- M10: 1,328,728 km (0.054 R)
- M11: 1,644,829 km (0.117 R)
- M12: 2,258,329 km (0.079 R)
- M13: 2,429,021 km (0.108 R)
- M14: 2,603,901 km (0.107 R)
- M15: 2,633,371 km (0.095 R)
- M16: 3,184,041 km (0.088 R)
- M17: 3,971,375 km (0.114 R)
- M18: 4,177,221 km (0.06 R)
- M19: 4,281,491 km (0.118 R)
- M20: 5,370,115 km (0.081 R)
- M21: 5,521,508 km (0.08 R)
- M22: 5,751,141 km (0.119 R)
- M23: 6,418,497 km (0.099 R)
- M24: 8,082,773 km (0.079 R)
- M25: 8,343,372 km (0.027 R)
- M26: 8,387,055 km (0.088 R)
- M27: 8,872,799 km (0.105 R)
- M28: 9,231,685 km (0.046 R)
- M29: 9,412,848 km (0.053 R)
- M30: 10,430,562 km (0.048 R)
- M31: 11,144,293 km (0.115 R)
- M32: 11,677,610 km (0.065 R)
- M33: 12,518,051 km (0.112 R)
- M34: 13,021,447 km (0.094 R)
- M35: 13,634,350 km (0.058 R)
- M36: 14,256,527 km (0.118 R)
- M37: 14,518,473 km (0.073 R)
- M38: 15,636,119 km (0.114 R)
- M39: 15,906,143 km (0.111 R)
- M40: 15,960,447 km (0.116 R)
- M41: 17,002,097 km (0.049 R)
- M42: 17,783,596 km (0.045 R)
- M43: 18,235,532 km (0.051 R)
- M44: 18,519,768 km (0.065 R)
- M45: 18,576,914 km (0.08 R)
- M46: 19,150,472 km (0.036 R)
- M47: 19,439,495 km (0.113 R)
- M48: 21,682,416 km (0.073 R)
- M49: 22,164,869 km (0.066 R)
- M50: 22,346,780 km (0.097 R)
- M51: 23,510,053 km (0.066 R)
- M52: 24,944,248 km (0.102 R)
- M53: 27,310,288 km (0.094 R)
- M54: 28,816,739 km (0.073 R)
- M55: 30,081,439 km (0.032 R)
- M56: 30,484,456 km (0.091 R)
- M57: 33,982,503 km (0.106 R)
- M58: 34,122,227 km (0.097 R)
- M59: 34,192,089 km (0.053 R)
- M60: 34,542,597 km (0.117 R)
- M61: 34,612,759 km (0.032 R)
- M62: 35,035,223 km (0.062 R)
- M63: 35,176,294 km (0.088 R)
- M64: 35,956,147 km (0.066 R)
- M65: 36,241,131 km (0.116 R)
- M66: 36,813,343 km (0.071 R)
- M67: 37,605,015 km (0.106 R)
- M68: 37,894,337 km (0.081 R)
- M69: 39,058,658 km (0.085 R)
- M70: 39,939,789 km (0.11 R)
- M71: 41,273,454 km (0.082 R)
- M72: 41,497,253 km (0.117 R)
- M73: 44,900,754 km (0.102 R)
- M74: 44,977,497 km (0.111 R)
- M75: 46,830,117 km (0.034 R)
- M76: 47,063,341 km (0.076 R)
- M77: 52,454,549 km (0.099 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: 180 - 19,044 AU
Composition
Type: Cometary Reservoir
System's final boundary, containing trillions of icy planetesimals.