G9V Star System Generated (Seed: 1768728445)
Star Details
Spectral Class: G7V
Temperature: 5,440 K
Mass: 0.96 sol
Luminosity: 0.87 lux
Habitable Zone (HZ)
Inner Boundary: 0.89 AU
Outer Boundary: 1.28 AU
Physical Limits
Snow Line: 4.48 AU
Max System Radius: 19.6 AU
Planetary System (7 Planets)
Planet 1 - Terrestrial
Semi-Major Axis: 1.92 AU
Status: Outer (Cold)
Composition: Rocky (Silicates/Metals)
Physical Data
Mass: 0.95
Radius: 0.98
Gravity: 0.99 G
Time & Orbit
Eccentricity (e): 0.216
Orbit Range: 1.51 AU - 2.33 AU
Year: 992 Days
Day: 26.7 Hours
Environment
Temp: -77 °C
Axial Tilt: 39.4 °
Atmosphere: Thin Nâ‚‚/CHâ‚„
Biome: Ice Cap/Desert
Planet 2 - Terrestrial
Semi-Major Axis: 2.24 AU
Status: Outer (Cold)
Composition: Rocky (Silicates/Metals)
Physical Data
Mass: 4.63
Radius: 1.85
Gravity: 1.35 G
Time & Orbit
Eccentricity (e): 0.245
Orbit Range: 1.69 AU - 2.79 AU
Year: 1250 Days
Day: 36.4 Hours
Environment
Temp: -89 °C
Axial Tilt: 36.6 °
Atmosphere: Thin Nâ‚‚/CHâ‚„
Biome: Ice Cap/Desert
Satellites (1)
Outer Limit: 49,101,894 km
- M1: 174,880 km (0.075 R)
Planet 3 - Gas Giant
Semi-Major Axis: 4.86 AU
Status: Outer (Cold)
Composition: Hydrogen/Helium Atmosphere
Physical Data
Mass: 428.7
Radius: 12.4
Gravity: 2.79 G
Time & Orbit
Eccentricity (e): 0.2
Orbit Range: 3.89 AU - 5.83 AU
Year: 3994 Days
Day: 8 Hours
Environment
Temp: -147 °C
Axial Tilt: 39.7 °
Atmosphere: Hâ‚‚, CHâ‚„
Biome: None
Satellites (71)
Outer Limit: 49,101,894 km
- M1: 173,085 km (0.118 R)
- M2: 257,608 km (0.118 R)
- M3: 446,849 km (0.091 R)
- M4: 607,816 km (0.054 R)
- M5: 821,292 km (0.107 R)
- M6: 916,287 km (0.05 R)
- M7: 1,037,910 km (0.07 R)
- M8: 1,141,881 km (0.076 R)
- M9: 1,373,458 km (0.086 R)
- M10: 1,488,648 km (0.115 R)
- M11: 1,647,671 km (0.096 R)
- M12: 1,897,051 km (0.029 R)
- M13: 2,041,113 km (0.027 R)
- M14: 2,203,876 km (0.115 R)
- M15: 2,574,131 km (0.096 R)
- M16: 2,997,642 km (0.06 R)
- M17: 3,217,850 km (0.053 R)
- M18: 3,443,444 km (0.12 R)
- M19: 4,114,091 km (0.063 R)
- M20: 4,416,578 km (0.067 R)
- M21: 4,667,902 km (0.109 R)
- M22: 4,765,739 km (0.095 R)
- M23: 4,983,703 km (0.069 R)
- M24: 5,573,867 km (0.083 R)
- M25: 5,740,519 km (0.064 R)
- M26: 5,866,780 km (0.076 R)
- M27: 5,993,788 km (0.081 R)
- M28: 6,358,957 km (0.092 R)
- M29: 6,665,184 km (0.076 R)
- M30: 6,775,736 km (0.046 R)
- M31: 7,065,956 km (0.079 R)
- M32: 7,451,769 km (0.12 R)
- M33: 7,961,299 km (0.102 R)
- M34: 8,220,403 km (0.071 R)
- M35: 8,339,034 km (0.072 R)
- M36: 8,771,073 km (0.109 R)
- M37: 8,916,781 km (0.084 R)
- M38: 9,112,156 km (0.05 R)
- M39: 9,210,442 km (0.102 R)
- M40: 9,482,411 km (0.085 R)
- M41: 9,707,107 km (0.116 R)
- M42: 9,958,581 km (0.089 R)
- M43: 10,212,448 km (0.068 R)
- M44: 10,391,367 km (0.112 R)
- M45: 10,726,467 km (0.101 R)
- M46: 10,856,168 km (0.117 R)
- M47: 11,275,192 km (0.103 R)
- M48: 11,433,765 km (0.07 R)
- M49: 11,699,451 km (0.091 R)
- M50: 12,075,091 km (0.073 R)
- M51: 12,318,637 km (0.07 R)
- M52: 12,400,168 km (0.029 R)
- M53: 13,003,795 km (0.053 R)
- M54: 14,669,268 km (0.119 R)
- M55: 15,307,453 km (0.038 R)
- M56: 15,571,194 km (0.063 R)
- M57: 16,073,394 km (0.106 R)
- M58: 16,580,979 km (0.084 R)
- M59: 17,063,582 km (0.118 R)
- M60: 17,245,643 km (0.105 R)
- M61: 17,337,047 km (0.079 R)
- M62: 17,489,487 km (0.089 R)
- M63: 18,913,958 km (0.074 R)
- M64: 19,102,451 km (0.097 R)
- M65: 19,608,391 km (0.109 R)
- M66: 20,278,889 km (0.104 R)
- M67: 20,504,183 km (0.089 R)
- M68: 21,315,303 km (0.114 R)
- M69: 21,478,813 km (0.069 R)
- M70: 21,839,943 km (0.117 R)
- M71: 22,136,895 km (0.096 R)
Planet 4 - Gas Giant
Semi-Major Axis: 4.97 AU
Status: Outer (Cold)
Composition: Hydrogen/Helium Atmosphere
Physical Data
Mass: 977.7
Radius: 8.2
Gravity: 14.54 G
Time & Orbit
Eccentricity (e): 0.227
Orbit Range: 3.84 AU - 6.1 AU
Year: 4130 Days
Day: 10.2 Hours
Environment
Temp: -137 °C
Axial Tilt: 39.4 °
Atmosphere: Hâ‚‚, CHâ‚„
Biome: None
Satellites (82)
Outer Limit: 49,101,894 km
- M1: 123,269 km (0.062 R)
- M2: 249,230 km (0.068 R)
- M3: 322,982 km (0.086 R)
- M4: 396,285 km (0.079 R)
- M5: 529,427 km (0.09 R)
- M6: 690,394 km (0.101 R)
- M7: 948,002 km (0.082 R)
- M8: 1,088,025 km (0.111 R)
- M9: 1,205,160 km (0.106 R)
- M10: 1,548,787 km (0.119 R)
- M11: 1,681,330 km (0.113 R)
- M12: 1,748,949 km (0.076 R)
- M13: 1,834,967 km (0.073 R)
- M14: 1,993,242 km (0.07 R)
- M15: 2,119,503 km (0.043 R)
- M16: 2,229,756 km (0.09 R)
- M17: 2,418,100 km (0.1 R)
- M18: 2,514,142 km (0.092 R)
- M19: 3,392,281 km (0.098 R)
- M20: 4,102,422 km (0.068 R)
- M21: 4,616,590 km (0.044 R)
- M22: 4,930,147 km (0.027 R)
- M23: 5,151,253 km (0.119 R)
- M24: 5,250,586 km (0.109 R)
- M25: 5,400,782 km (0.096 R)
- M26: 5,654,351 km (0.106 R)
- M27: 6,015,779 km (0.118 R)
- M28: 6,225,665 km (0.084 R)
- M29: 6,625,839 km (0.12 R)
- M30: 6,706,921 km (0.119 R)
- M31: 7,283,472 km (0.066 R)
- M32: 7,367,097 km (0.103 R)
- M33: 7,620,067 km (0.098 R)
- M34: 7,933,175 km (0.062 R)
- M35: 8,221,301 km (0.119 R)
- M36: 8,337,688 km (0.068 R)
- M37: 9,136,690 km (0.049 R)
- M38: 9,196,828 km (0.103 R)
- M39: 9,347,773 km (0.101 R)
- M40: 9,438,878 km (0.073 R)
- M41: 9,898,293 km (0.063 R)
- M42: 10,648,376 km (0.091 R)
- M43: 10,934,408 km (0.108 R)
- M44: 11,319,772 km (0.059 R)
- M45: 11,416,711 km (0.098 R)
- M46: 11,481,637 km (0.069 R)
- M47: 11,971,869 km (0.1 R)
- M48: 12,236,059 km (0.083 R)
- M49: 12,402,262 km (0.1 R)
- M50: 12,804,082 km (0.107 R)
- M51: 12,905,210 km (0.104 R)
- M52: 14,770,396 km (0.082 R)
- M53: 14,911,766 km (0.063 R)
- M54: 15,518,236 km (0.117 R)
- M55: 16,461,151 km (0.109 R)
- M56: 16,865,664 km (0.074 R)
- M57: 17,050,567 km (0.117 R)
- M58: 17,647,014 km (0.078 R)
- M59: 18,707,064 km (0.094 R)
- M60: 19,013,740 km (0.055 R)
- M61: 19,206,272 km (0.057 R)
- M62: 19,826,804 km (0.091 R)
- M63: 19,943,790 km (0.117 R)
- M64: 20,690,582 km (0.053 R)
- M65: 21,087,166 km (0.03 R)
- M66: 21,166,902 km (0.111 R)
- M67: 21,486,443 km (0.084 R)
- M68: 22,862,295 km (0.036 R)
- M69: 23,026,104 km (0.072 R)
- M70: 23,231,353 km (0.097 R)
- M71: 24,810,807 km (0.09 R)
- M72: 25,996,669 km (0.077 R)
- M73: 26,082,090 km (0.106 R)
- M74: 26,639,641 km (0.085 R)
- M75: 27,114,315 km (0.111 R)
- M76: 27,287,699 km (0.107 R)
- M77: 27,461,382 km (0.109 R)
- M78: 28,643,504 km (0.115 R)
- M79: 28,997,004 km (0.094 R)
- M80: 29,085,566 km (0.069 R)
- M81: 29,485,441 km (0.087 R)
- M82: 29,752,922 km (0.104 R)
Planet 5 - Gas Giant
Semi-Major Axis: 6.59 AU
Status: Outer (Cold)
Composition: Hydrogen/Helium Atmosphere
Physical Data
Mass: 925.5
Radius: 13.4
Gravity: 5.15 G
Time & Orbit
Eccentricity (e): 0.129
Orbit Range: 5.74 AU - 7.44 AU
Year: 6306 Days
Day: 9.4 Hours
Environment
Temp: -155 °C
Axial Tilt: 37.9 °
Atmosphere: Hâ‚‚, CHâ‚„
Biome: None
Satellites (78)
Outer Limit: 49,101,894 km
- M1: 442,810 km (0.069 R)
- M2: 854,653 km (0.103 R)
- M3: 995,723 km (0.118 R)
- M4: 1,128,267 km (0.1 R)
- M5: 1,543,850 km (0.084 R)
- M6: 1,660,237 km (0.063 R)
- M7: 1,759,570 km (0.049 R)
- M8: 1,943,576 km (0.082 R)
- M9: 2,603,601 km (0.047 R)
- M10: 3,007,216 km (0.098 R)
- M11: 3,204,237 km (0.081 R)
- M12: 3,329,600 km (0.048 R)
- M13: 3,585,263 km (0.075 R)
- M14: 4,007,877 km (0.069 R)
- M15: 4,225,392 km (0.12 R)
- M16: 4,843,381 km (0.092 R)
- M17: 4,929,848 km (0.065 R)
- M18: 5,075,257 km (0.044 R)
- M19: 5,192,542 km (0.104 R)
- M20: 5,340,494 km (0.087 R)
- M21: 5,429,954 km (0.062 R)
- M22: 5,610,369 km (0.046 R)
- M23: 5,762,360 km (0.106 R)
- M24: 6,257,679 km (0.067 R)
- M25: 6,799,223 km (0.116 R)
- M26: 6,994,000 km (0.08 R)
- M27: 7,389,088 km (0.102 R)
- M28: 7,489,019 km (0.119 R)
- M29: 7,723,888 km (0.049 R)
- M30: 7,995,408 km (0.049 R)
- M31: 8,098,032 km (0.088 R)
- M32: 8,513,016 km (0.119 R)
- M33: 9,005,941 km (0.095 R)
- M34: 9,220,166 km (0.091 R)
- M35: 10,019,766 km (0.092 R)
- M36: 10,353,369 km (0.111 R)
- M37: 10,577,766 km (0.048 R)
- M38: 11,452,914 km (0.037 R)
- M39: 11,762,881 km (0.117 R)
- M40: 11,918,911 km (0.108 R)
- M41: 12,669,294 km (0.069 R)
- M42: 12,869,306 km (0.079 R)
- M43: 13,475,776 km (0.083 R)
- M44: 14,969,062 km (0.066 R)
- M45: 15,478,592 km (0.103 R)
- M46: 15,606,798 km (0.058 R)
- M47: 16,036,892 km (0.116 R)
- M48: 16,470,875 km (0.09 R)
- M49: 16,733,120 km (0.103 R)
- M50: 17,930,502 km (0.114 R)
- M51: 18,380,941 km (0.112 R)
- M52: 18,607,582 km (0.112 R)
- M53: 18,744,015 km (0.108 R)
- M54: 19,155,259 km (0.071 R)
- M55: 19,893,824 km (0.114 R)
- M56: 21,876,744 km (0.074 R)
- M57: 22,358,000 km (0.104 R)
- M58: 22,551,580 km (0.054 R)
- M59: 23,971,264 km (0.076 R)
- M60: 24,218,998 km (0.068 R)
- M61: 25,520,798 km (0.118 R)
- M62: 26,435,290 km (0.057 R)
- M63: 26,793,876 km (0.069 R)
- M64: 27,775,238 km (0.102 R)
- M65: 28,191,868 km (0.115 R)
- M66: 28,820,927 km (0.078 R)
- M67: 29,613,646 km (0.048 R)
- M68: 30,413,546 km (0.113 R)
- M69: 31,274,632 km (0.077 R)
- M70: 31,436,945 km (0.055 R)
- M71: 31,871,378 km (0.104 R)
- M72: 32,416,961 km (0.104 R)
- M73: 33,850,258 km (0.05 R)
- M74: 34,016,910 km (0.045 R)
- M75: 34,351,112 km (0.118 R)
- M76: 36,095,273 km (0.093 R)
- M77: 36,322,513 km (0.083 R)
- M78: 37,350,549 km (0.041 R)
Planet 6 - Gas Giant
Semi-Major Axis: 6.86 AU
Status: Outer (Cold)
Composition: Hydrogen/Helium Atmosphere
Physical Data
Mass: 946.7
Radius: 9.3
Gravity: 10.95 G
Time & Orbit
Eccentricity (e): 0.024
Orbit Range: 6.7 AU - 7.02 AU
Year: 6698 Days
Day: 5.6 Hours
Environment
Temp: -154 °C
Axial Tilt: 6.6 °
Atmosphere: Hâ‚‚, CHâ‚„
Biome: None
Satellites (90)
Outer Limit: 49,101,894 km
- M1: 130,001 km (0.061 R)
- M2: 306,676 km (0.096 R)
- M3: 530,923 km (0.092 R)
- M4: 598,990 km (0.091 R)
- M5: 670,348 km (0.113 R)
- M6: 1,234,482 km (0.093 R)
- M7: 1,622,987 km (0.056 R)
- M8: 1,684,472 km (0.099 R)
- M9: 1,873,863 km (0.111 R)
- M10: 2,026,004 km (0.044 R)
- M11: 2,273,588 km (0.08 R)
- M12: 2,483,474 km (0.052 R)
- M13: 2,554,832 km (0.106 R)
- M14: 2,626,939 km (0.051 R)
- M15: 3,073,787 km (0.062 R)
- M16: 3,385,101 km (0.085 R)
- M17: 3,679,360 km (0.088 R)
- M18: 3,788,416 km (0.117 R)
- M19: 4,065,921 km (0.088 R)
- M20: 4,235,565 km (0.08 R)
- M21: 4,847,869 km (0.098 R)
- M22: 5,333,014 km (0.103 R)
- M23: 5,456,732 km (0.104 R)
- M24: 6,186,770 km (0.05 R)
- M25: 6,480,729 km (0.094 R)
- M26: 6,579,763 km (0.107 R)
- M27: 7,493,507 km (0.03 R)
- M28: 7,877,225 km (0.104 R)
- M29: 7,947,686 km (0.118 R)
- M30: 9,140,280 km (0.089 R)
- M31: 9,550,029 km (0.117 R)
- M32: 10,195,394 km (0.057 R)
- M33: 10,272,287 km (0.118 R)
- M34: 11,011,899 km (0.044 R)
- M35: 11,090,737 km (0.096 R)
- M36: 11,169,725 km (0.086 R)
- M37: 11,970,672 km (0.092 R)
- M38: 12,419,017 km (0.095 R)
- M39: 12,501,146 km (0.062 R)
- M40: 12,914,335 km (0.034 R)
- M41: 13,080,987 km (0.055 R)
- M42: 13,458,423 km (0.047 R)
- M43: 13,754,477 km (0.054 R)
- M44: 14,309,934 km (0.045 R)
- M45: 14,439,186 km (0.105 R)
- M46: 15,222,631 km (0.095 R)
- M47: 15,310,594 km (0.094 R)
- M48: 15,486,970 km (0.101 R)
- M49: 16,604,316 km (0.082 R)
- M50: 16,740,151 km (0.101 R)
- M51: 16,830,957 km (0.117 R)
- M52: 17,195,527 km (0.11 R)
- M53: 17,287,231 km (0.095 R)
- M54: 17,932,746 km (0.117 R)
- M55: 18,445,567 km (0.032 R)
- M56: 18,586,339 km (0.086 R)
- M57: 18,916,052 km (0.098 R)
- M58: 19,200,139 km (0.11 R)
- M59: 19,916,563 km (0.097 R)
- M60: 20,254,056 km (0.103 R)
- M61: 20,350,696 km (0.074 R)
- M62: 21,277,455 km (0.095 R)
- M63: 21,474,326 km (0.071 R)
- M64: 21,671,795 km (0.057 R)
- M65: 22,768,497 km (0.098 R)
- M66: 23,628,385 km (0.112 R)
- M67: 25,067,816 km (0.114 R)
- M68: 25,536,357 km (0.112 R)
- M69: 26,588,179 km (0.082 R)
- M70: 27,332,877 km (0.06 R)
- M71: 27,654,214 km (0.044 R)
- M72: 27,976,597 km (0.079 R)
- M73: 28,138,312 km (0.107 R)
- M74: 28,516,945 km (0.114 R)
- M75: 28,842,769 km (0.054 R)
- M76: 29,443,255 km (0.118 R)
- M77: 30,158,332 km (0.08 R)
- M78: 31,549,593 km (0.072 R)
- M79: 31,942,736 km (0.11 R)
- M80: 32,904,650 km (0.08 R)
- M81: 33,703,951 km (0.11 R)
- M82: 34,798,858 km (0.083 R)
- M83: 34,972,691 km (0.087 R)
- M84: 35,554,627 km (0.113 R)
- M85: 36,669,131 km (0.082 R)
- M86: 38,691,844 km (0.03 R)
- M87: 39,052,524 km (0.081 R)
- M88: 39,353,964 km (0.059 R)
- M89: 39,474,839 km (0.095 R)
- M90: 40,141,447 km (0.105 R)
Planet 7 - Ice Giant
Semi-Major Axis: 14.94 AU
Status: Outer (Cold)
Composition: Methane/Ammonia Ices
Physical Data
Mass: 158.9
Radius: 3
Gravity: 17.66 G
Time & Orbit
Eccentricity (e): 0.186
Orbit Range: 12.16 AU - 17.72 AU
Year: 21527 Days
Day: 22.3 Hours
Environment
Temp: -199 °C
Axial Tilt: 13.6 °
Atmosphere: Hâ‚‚, CHâ‚„
Biome: None
Satellites (92)
Outer Limit: 49,101,894 km
- M1: 45,328 km (0.115 R)
- M2: 197,469 km (0.081 R)
- M3: 505,641 km (0.1 R)
- M4: 537,206 km (0.065 R)
- M5: 635,941 km (0.107 R)
- M6: 965,505 km (0.045 R)
- M7: 2,153,910 km (0.083 R)
- M8: 2,690,518 km (0.104 R)
- M9: 3,691,028 km (0.106 R)
- M10: 4,425,853 km (0.107 R)
- M11: 4,491,826 km (0.083 R)
- M12: 4,826,626 km (0.073 R)
- M13: 4,997,018 km (0.113 R)
- M14: 5,169,504 km (0.067 R)
- M15: 5,414,097 km (0.118 R)
- M16: 5,770,139 km (0.093 R)
- M17: 6,060,359 km (0.112 R)
- M18: 6,096,861 km (0.059 R)
- M19: 6,467,116 km (0.089 R)
- M20: 7,151,676 km (0.09 R)
- M21: 7,306,809 km (0.116 R)
- M22: 7,384,899 km (0.07 R)
- M23: 8,261,243 km (0.059 R)
- M24: 8,711,533 km (0.105 R)
- M25: 9,211,938 km (0.105 R)
- M26: 9,465,656 km (0.104 R)
- M27: 9,508,141 km (0.096 R)
- M28: 9,764,552 km (0.093 R)
- M29: 10,503,117 km (0.099 R)
- M30: 10,635,212 km (0.109 R)
- M31: 10,679,493 km (0.059 R)
- M32: 10,990,507 km (0.08 R)
- M33: 11,485,227 km (0.119 R)
- M34: 11,666,988 km (0.054 R)
- M35: 11,712,466 km (0.077 R)
- M36: 12,125,356 km (0.06 R)
- M37: 12,310,409 km (0.084 R)
- M38: 12,543,033 km (0.092 R)
- M39: 13,249,435 km (0.029 R)
- M40: 13,920,381 km (0.076 R)
- M41: 14,357,506 km (0.083 R)
- M42: 14,749,752 km (0.063 R)
- M43: 15,046,255 km (0.034 R)
- M44: 16,609,552 km (0.092 R)
- M45: 17,332,260 km (0.049 R)
- M46: 17,436,380 km (0.108 R)
- M47: 17,854,655 km (0.07 R)
- M48: 18,065,140 km (0.079 R)
- M49: 18,808,192 km (0.041 R)
- M50: 20,708,833 km (0.066 R)
- M51: 22,499,221 km (0.083 R)
- M52: 22,726,609 km (0.115 R)
- M53: 22,783,457 km (0.114 R)
- M54: 23,470,410 km (0.096 R)
- M55: 23,816,430 km (0.057 R)
- M56: 25,276,206 km (0.047 R)
- M57: 26,644,578 km (0.08 R)
- M58: 26,884,981 km (0.114 R)
- M59: 27,186,571 km (0.075 R)
- M60: 27,549,944 km (0.091 R)
- M61: 28,281,328 km (0.113 R)
- M62: 28,526,668 km (0.09 R)
- M63: 29,576,696 km (0.059 R)
- M64: 30,388,264 km (0.108 R)
- M65: 30,639,439 km (0.107 R)
- M66: 31,017,623 km (0.095 R)
- M67: 31,651,020 km (0.058 R)
- M68: 31,778,328 km (0.114 R)
- M69: 31,905,635 km (0.104 R)
- M70: 32,160,999 km (0.04 R)
- M71: 32,288,905 km (0.088 R)
- M72: 32,737,848 km (0.034 R)
- M73: 33,642,018 km (0.083 R)
- M74: 33,706,943 km (0.096 R)
- M75: 33,901,869 km (0.1 R)
- M76: 34,423,517 km (0.054 R)
- M77: 34,750,837 km (0.042 R)
- M78: 36,004,318 km (0.117 R)
- M79: 36,137,161 km (0.084 R)
- M80: 36,403,146 km (0.111 R)
- M81: 38,216,272 km (0.078 R)
- M82: 40,333,830 km (0.102 R)
- M83: 40,540,724 km (0.102 R)
- M84: 42,278,901 km (0.106 R)
- M85: 44,183,432 km (0.085 R)
- M86: 44,396,758 km (0.076 R)
- M87: 44,752,951 km (0.078 R)
- M88: 45,540,135 km (0.093 R)
- M89: 46,838,196 km (0.109 R)
- M90: 47,637,348 km (0.068 R)
- M91: 48,148,224 km (0.089 R)
- M92: 48,587,593 km (0.068 R)
Kuiper Belt
Range: 30 - 58 AU
Composition
Type: Dwarf Planets/TNOs (Ices)
Reservoir of dwarf planets and volatile ices.
Outer System
Oort Cloud
Range: 485 - 12,571 AU
Composition
Type: Cometary Reservoir
System's final boundary, containing trillions of icy planetesimals.