Star System Generated (Seed: 1768285261)
Star Details
Spectral Class: M3V
Temperature: 3,267 K
Mass: 0.31 sol
Luminosity: 0.02 lux
Habitable Zone (HZ)
Inner Boundary: 0.13 AU
Outer Boundary: 0.19 AU
Physical Limits
Snow Line: 0.68 AU
Max System Radius: 11.1 AU
Planetary System (7 Planets)
Planet 1 - Terrestrial
Semi-Major Axis: 0.53 AU
Status: Outer (Cold)
Composition: Rocky (Silicates/Metals)
Physical Data
Mass: 3.97
Radius: 1.74
Gravity: 1.31 G
Time & Orbit
Eccentricity (e): 0.168
Orbit Range: 0.44 AU - 0.62 AU
Year: 253 Days
Day: 44.8 Hours
Environment
Temp: -128 °C
Axial Tilt: 31.1 °
Atmosphere: Thin Nâ‚‚/CHâ‚„
Biome: Ice Cap/Desert
Satellites (1)
Outer Limit: 87,788,150 km
- M1: 350,508 km (0.051 R)
Planet 2 - Gas Giant
Semi-Major Axis: 0.84 AU
Status: Outer (Cold)
Composition: Hydrogen/Helium Atmosphere
Physical Data
Mass: 962.8
Radius: 9.6
Gravity: 10.45 G
Time & Orbit
Eccentricity (e): 0.032
Orbit Range: 0.81 AU - 0.87 AU
Year: 505 Days
Day: 10.1 Hours
Environment
Temp: -149 °C
Axial Tilt: 37.2 °
Atmosphere: Hâ‚‚, CHâ‚„
Biome: None
Satellites (59)
Outer Limit: 87,788,150 km
- M1: 134,040 km (0.052 R)
- M2: 244,593 km (0.087 R)
- M3: 351,106 km (0.069 R)
- M4: 423,212 km (0.064 R)
- M5: 526,136 km (0.075 R)
- M6: 607,517 km (0.077 R)
- M7: 712,385 km (0.119 R)
- M8: 789,278 km (0.111 R)
- M9: 889,659 km (0.118 R)
- M10: 962,662 km (0.108 R)
- M11: 1,037,760 km (0.075 R)
- M12: 1,131,857 km (0.093 R)
- M13: 1,240,615 km (0.091 R)
- M14: 1,311,225 km (0.092 R)
- M15: 1,383,182 km (0.044 R)
- M16: 1,450,351 km (0.073 R)
- M17: 1,776,624 km (0.11 R)
- M18: 1,945,072 km (0.101 R)
- M19: 2,111,873 km (0.089 R)
- M20: 2,211,356 km (0.116 R)
- M21: 2,297,973 km (0.112 R)
- M22: 2,400,298 km (0.106 R)
- M23: 2,489,458 km (0.104 R)
- M24: 2,579,666 km (0.099 R)
- M25: 2,701,588 km (0.036 R)
- M26: 2,778,780 km (0.11 R)
- M27: 2,911,773 km (0.056 R)
- M28: 2,991,060 km (0.108 R)
- M29: 3,135,571 km (0.079 R)
- M30: 3,249,565 km (0.103 R)
- M31: 3,540,682 km (0.099 R)
- M32: 3,651,086 km (0.109 R)
- M33: 3,710,925 km (0.092 R)
- M34: 3,849,004 km (0.08 R)
- M35: 3,927,542 km (0.055 R)
- M36: 4,103,769 km (0.073 R)
- M37: 4,210,881 km (0.092 R)
- M38: 4,446,049 km (0.109 R)
- M39: 4,565,129 km (0.11 R)
- M40: 4,629,755 km (0.091 R)
- M41: 4,760,055 km (0.115 R)
- M42: 4,844,428 km (0.073 R)
- M43: 4,995,522 km (0.077 R)
- M44: 5,167,559 km (0.082 R)
- M45: 5,283,348 km (0.027 R)
- M46: 5,360,989 km (0.057 R)
- M47: 5,487,998 km (0.102 R)
- M48: 5,596,157 km (0.071 R)
- M49: 5,665,421 km (0.101 R)
- M50: 5,734,984 km (0.036 R)
- M51: 5,885,031 km (0.074 R)
- M52: 5,955,491 km (0.111 R)
- M53: 6,209,359 km (0.074 R)
- M54: 6,812,238 km (0.057 R)
- M55: 6,896,911 km (0.104 R)
- M56: 6,960,639 km (0.048 R)
- M57: 7,024,518 km (0.11 R)
- M58: 7,088,546 km (0.118 R)
- M59: 7,185,186 km (0.09 R)
Planet 3 - Gas Giant
Semi-Major Axis: 1.35 AU
Status: Outer (Cold)
Composition: Hydrogen/Helium Atmosphere
Physical Data
Mass: 821.9
Radius: 11.8
Gravity: 5.9 G
Time & Orbit
Eccentricity (e): 0.207
Orbit Range: 1.07 AU - 1.63 AU
Year: 1029 Days
Day: 14 Hours
Environment
Temp: -182 °C
Axial Tilt: 49.3 °
Atmosphere: Hâ‚‚, CHâ‚„
Biome: None
Satellites (57)
Outer Limit: 87,788,150 km
- M1: 149,598 km (0.116 R)
- M2: 248,632 km (0.102 R)
- M3: 396,434 km (0.104 R)
- M4: 571,613 km (0.1 R)
- M5: 670,049 km (0.073 R)
- M6: 839,992 km (0.04 R)
- M7: 968,646 km (0.044 R)
- M8: 1,148,912 km (0.118 R)
- M9: 1,372,261 km (0.073 R)
- M10: 1,509,891 km (0.118 R)
- M11: 1,703,920 km (0.068 R)
- M12: 1,790,836 km (0.109 R)
- M13: 1,897,350 km (0.115 R)
- M14: 2,088,835 km (0.117 R)
- M15: 2,258,180 km (0.109 R)
- M16: 2,461,633 km (0.096 R)
- M17: 2,540,770 km (0.116 R)
- M18: 2,681,392 km (0.096 R)
- M19: 2,773,245 km (0.07 R)
- M20: 3,269,910 km (0.107 R)
- M21: 3,390,187 km (0.093 R)
- M22: 3,467,529 km (0.037 R)
- M23: 3,863,365 km (0.107 R)
- M24: 4,002,491 km (0.073 R)
- M25: 4,107,808 km (0.118 R)
- M26: 4,261,744 km (0.036 R)
- M27: 4,429,743 km (0.032 R)
- M28: 4,551,066 km (0.076 R)
- M29: 4,636,636 km (0.073 R)
- M30: 4,809,572 km (0.114 R)
- M31: 5,587,480 km (0.052 R)
- M32: 5,745,157 km (0.12 R)
- M33: 5,917,643 km (0.043 R)
- M34: 6,445,574 km (0.118 R)
- M35: 6,542,064 km (0.098 R)
- M36: 6,792,043 km (0.111 R)
- M37: 7,144,645 km (0.066 R)
- M38: 7,330,296 km (0.116 R)
- M39: 7,416,614 km (0.113 R)
- M40: 7,517,592 km (0.081 R)
- M41: 7,604,658 km (0.116 R)
- M42: 7,721,195 km (0.113 R)
- M43: 7,926,593 km (0.098 R)
- M44: 8,163,406 km (0.067 R)
- M45: 8,387,803 km (0.054 R)
- M46: 8,478,011 km (0.117 R)
- M47: 8,980,360 km (0.071 R)
- M48: 9,165,562 km (0.104 R)
- M49: 9,274,021 km (0.076 R)
- M50: 9,539,557 km (0.054 R)
- M51: 10,302,656 km (0.085 R)
- M52: 10,383,289 km (0.035 R)
- M53: 10,480,228 km (0.106 R)
- M54: 10,577,617 km (0.119 R)
- M55: 10,789,597 km (0.069 R)
- M56: 11,101,808 km (0.058 R)
- M57: 11,184,535 km (0.117 R)
Planet 4 - Gas Giant
Semi-Major Axis: 1.57 AU
Status: Outer (Cold)
Composition: Hydrogen/Helium Atmosphere
Physical Data
Mass: 871.8
Radius: 10
Gravity: 8.72 G
Time & Orbit
Eccentricity (e): 0.122
Orbit Range: 1.38 AU - 1.76 AU
Year: 1291 Days
Day: 13.3 Hours
Environment
Temp: -184 °C
Axial Tilt: 26.4 °
Atmosphere: Hâ‚‚, CHâ‚„
Biome: None
Satellites (69)
Outer Limit: 87,788,150 km
- M1: 137,480 km (0.068 R)
- M2: 221,704 km (0.081 R)
- M3: 284,685 km (0.104 R)
- M4: 421,716 km (0.063 R)
- M5: 533,765 km (0.109 R)
- M6: 623,524 km (0.1 R)
- M7: 747,391 km (0.101 R)
- M8: 903,122 km (0.086 R)
- M9: 1,127,968 km (0.111 R)
- M10: 1,212,640 km (0.116 R)
- M11: 1,299,706 km (0.061 R)
- M12: 1,389,016 km (0.117 R)
- M13: 1,471,145 km (0.112 R)
- M14: 1,554,920 km (0.087 R)
- M15: 1,937,292 km (0.089 R)
- M16: 2,019,422 km (0.071 R)
- M17: 2,134,313 km (0.108 R)
- M18: 2,283,611 km (0.078 R)
- M19: 2,403,439 km (0.115 R)
- M20: 2,536,581 km (0.102 R)
- M21: 2,787,308 km (0.044 R)
- M22: 2,962,786 km (0.12 R)
- M23: 3,142,004 km (0.028 R)
- M24: 3,275,745 km (0.061 R)
- M25: 3,523,778 km (0.063 R)
- M26: 3,650,188 km (0.119 R)
- M27: 3,946,691 km (0.119 R)
- M28: 4,064,724 km (0.116 R)
- M29: 4,144,160 km (0.096 R)
- M30: 4,399,225 km (0.099 R)
- M31: 4,508,132 km (0.046 R)
- M32: 4,659,375 km (0.11 R)
- M33: 4,728,639 km (0.059 R)
- M34: 4,840,239 km (0.093 R)
- M35: 4,938,675 km (0.102 R)
- M36: 5,051,920 km (0.077 R)
- M37: 5,208,998 km (0.091 R)
- M38: 5,367,871 km (0.066 R)
- M39: 5,779,415 km (0.115 R)
- M40: 5,853,914 km (0.085 R)
- M41: 6,064,548 km (0.03 R)
- M42: 6,231,649 km (0.053 R)
- M43: 6,508,555 km (0.077 R)
- M44: 6,852,480 km (0.083 R)
- M45: 7,154,369 km (0.073 R)
- M46: 7,347,200 km (0.032 R)
- M47: 7,558,133 km (0.041 R)
- M48: 7,754,555 km (0.112 R)
- M49: 7,985,983 km (0.086 R)
- M50: 8,169,390 km (0.118 R)
- M51: 8,354,143 km (0.044 R)
- M52: 8,506,434 km (0.034 R)
- M53: 8,727,989 km (0.078 R)
- M54: 9,456,829 km (0.089 R)
- M55: 9,739,569 km (0.101 R)
- M56: 9,846,382 km (0.027 R)
- M57: 10,259,272 km (0.098 R)
- M58: 10,385,982 km (0.033 R)
- M59: 10,769,551 km (0.089 R)
- M60: 10,879,954 km (0.112 R)
- M61: 11,101,957 km (0.053 R)
- M62: 11,400,405 km (0.083 R)
- M63: 11,777,092 km (0.033 R)
- M64: 12,100,523 km (0.099 R)
- M65: 12,234,563 km (0.11 R)
- M66: 12,523,436 km (0.049 R)
- M67: 12,892,494 km (0.093 R)
- M68: 13,107,915 km (0.053 R)
- M69: 13,265,292 km (0.106 R)
Planet 5 - Gas Giant
Semi-Major Axis: 2.02 AU
Status: Outer (Cold)
Composition: Hydrogen/Helium Atmosphere
Physical Data
Mass: 949
Radius: 13.8
Gravity: 4.98 G
Time & Orbit
Eccentricity (e): 0.223
Orbit Range: 1.57 AU - 2.47 AU
Year: 1883 Days
Day: 9.4 Hours
Environment
Temp: -199 °C
Axial Tilt: 39.5 °
Atmosphere: Hâ‚‚, CHâ‚„
Biome: None
Satellites (58)
Outer Limit: 87,788,150 km
- M1: 173,234 km (0.066 R)
- M2: 266,583 km (0.093 R)
- M3: 383,719 km (0.059 R)
- M4: 473,178 km (0.032 R)
- M5: 594,801 km (0.09 R)
- M6: 823,237 km (0.076 R)
- M7: 986,448 km (0.081 R)
- M8: 1,092,064 km (0.063 R)
- M9: 1,645,726 km (0.101 R)
- M10: 1,738,327 km (0.116 R)
- M11: 1,916,947 km (0.103 R)
- M12: 2,152,115 km (0.077 R)
- M13: 2,410,321 km (0.085 R)
- M14: 2,516,535 km (0.091 R)
- M15: 2,747,514 km (0.107 R)
- M16: 2,914,765 km (0.116 R)
- M17: 3,392,730 km (0.118 R)
- M18: 3,618,324 km (0.109 R)
- M19: 3,833,296 km (0.089 R)
- M20: 4,211,928 km (0.105 R)
- M21: 4,669,099 km (0.025 R)
- M22: 4,886,914 km (0.062 R)
- M23: 5,666,468 km (0.083 R)
- M24: 5,845,088 km (0.114 R)
- M25: 6,189,612 km (0.086 R)
- M26: 6,355,217 km (0.027 R)
- M27: 6,728,314 km (0.098 R)
- M28: 7,147,188 km (0.029 R)
- M29: 7,262,977 km (0.106 R)
- M30: 7,633,531 km (0.097 R)
- M31: 7,791,506 km (0.118 R)
- M32: 8,191,082 km (0.11 R)
- M33: 8,474,869 km (0.057 R)
- M34: 8,782,442 km (0.113 R)
- M35: 9,366,622 km (0.064 R)
- M36: 9,493,481 km (0.085 R)
- M37: 9,642,032 km (0.073 R)
- M38: 10,027,994 km (0.057 R)
- M39: 10,266,453 km (0.115 R)
- M40: 10,859,459 km (0.085 R)
- M41: 10,992,751 km (0.095 R)
- M42: 11,576,781 km (0.105 R)
- M43: 11,804,170 km (0.096 R)
- M44: 13,080,987 km (0.11 R)
- M45: 13,222,956 km (0.111 R)
- M46: 13,916,192 km (0.089 R)
- M47: 14,352,569 km (0.102 R)
- M48: 14,694,999 km (0.116 R)
- M49: 14,916,703 km (0.118 R)
- M50: 15,164,138 km (0.109 R)
- M51: 15,313,287 km (0.091 R)
- M52: 15,413,069 km (0.036 R)
- M53: 16,091,944 km (0.087 R)
- M54: 16,294,948 km (0.079 R)
- M55: 16,498,850 km (0.079 R)
- M56: 16,677,919 km (0.039 R)
- M57: 16,806,274 km (0.054 R)
- M58: 16,909,047 km (0.064 R)
Planet 6 - Gas Giant
Semi-Major Axis: 2.93 AU
Status: Outer (Cold)
Composition: Hydrogen/Helium Atmosphere
Physical Data
Mass: 894.1
Radius: 9
Gravity: 11.04 G
Time & Orbit
Eccentricity (e): 0.027
Orbit Range: 2.85 AU - 3.01 AU
Year: 3290 Days
Day: 7.8 Hours
Environment
Temp: -203 °C
Axial Tilt: 44.6 °
Atmosphere: Hâ‚‚, CHâ‚„
Biome: None
Satellites (77)
Outer Limit: 87,788,150 km
- M1: 140,622 km (0.058 R)
- M2: 204,351 km (0.119 R)
- M3: 288,873 km (0.059 R)
- M4: 749,635 km (0.072 R)
- M5: 816,804 km (0.075 R)
- M6: 1,455,886 km (0.085 R)
- M7: 1,541,307 km (0.073 R)
- M8: 1,599,351 km (0.034 R)
- M9: 1,657,993 km (0.093 R)
- M10: 1,808,040 km (0.117 R)
- M11: 1,978,432 km (0.118 R)
- M12: 2,170,216 km (0.047 R)
- M13: 2,835,478 km (0.059 R)
- M14: 2,907,135 km (0.106 R)
- M15: 3,015,893 km (0.105 R)
- M16: 3,349,945 km (0.113 R)
- M17: 3,521,534 km (0.078 R)
- M18: 3,676,517 km (0.104 R)
- M19: 3,754,907 km (0.057 R)
- M20: 4,257,256 km (0.075 R)
- M21: 4,589,812 km (0.09 R)
- M22: 4,887,811 km (0.091 R)
- M23: 5,214,084 km (0.059 R)
- M24: 5,413,349 km (0.098 R)
- M25: 5,569,978 km (0.115 R)
- M26: 5,728,252 km (0.107 R)
- M27: 6,541,466 km (0.101 R)
- M28: 6,684,482 km (0.056 R)
- M29: 6,780,374 km (0.099 R)
- M30: 7,095,427 km (0.101 R)
- M31: 7,242,482 km (0.118 R)
- M32: 7,564,416 km (0.071 R)
- M33: 8,171,335 km (0.116 R)
- M34: 8,248,228 km (0.026 R)
- M35: 9,217,174 km (0.041 R)
- M36: 9,324,136 km (0.055 R)
- M37: 9,647,267 km (0.07 R)
- M38: 9,974,288 km (0.07 R)
- M39: 10,138,996 km (0.038 R)
- M40: 11,146,986 km (0.113 R)
- M41: 11,203,833 km (0.108 R)
- M42: 11,720,544 km (0.052 R)
- M43: 11,807,461 km (0.036 R)
- M44: 11,894,527 km (0.084 R)
- M45: 12,069,407 km (0.093 R)
- M46: 12,628,753 km (0.095 R)
- M47: 13,529,033 km (0.048 R)
- M48: 13,742,060 km (0.117 R)
- M49: 13,894,949 km (0.1 R)
- M50: 14,017,620 km (0.073 R)
- M51: 14,730,154 km (0.081 R)
- M52: 14,886,634 km (0.078 R)
- M53: 15,169,523 km (0.106 R)
- M54: 15,232,654 km (0.117 R)
- M55: 15,359,213 km (0.066 R)
- M56: 15,613,380 km (0.099 R)
- M57: 15,708,973 km (0.112 R)
- M58: 16,222,543 km (0.115 R)
- M59: 16,481,347 km (0.106 R)
- M60: 17,002,995 km (0.067 R)
- M61: 17,068,519 km (0.101 R)
- M62: 17,167,104 km (0.096 R)
- M63: 17,695,932 km (0.111 R)
- M64: 18,803,555 km (0.099 R)
- M65: 19,245,916 km (0.119 R)
- M66: 19,382,798 km (0.047 R)
- M67: 19,623,052 km (0.095 R)
- M68: 19,760,832 km (0.09 R)
- M69: 20,523,930 km (0.063 R)
- M70: 21,226,143 km (0.047 R)
- M71: 21,296,902 km (0.067 R)
- M72: 21,402,967 km (0.092 R)
- M73: 21,864,926 km (0.069 R)
- M74: 22,401,982 km (0.069 R)
- M75: 22,834,918 km (0.088 R)
- M76: 23,562,263 km (0.047 R)
- M77: 23,965,728 km (0.116 R)
Planet 7 - Ice Giant
Semi-Major Axis: 10.56 AU
Status: Outer (Cold)
Composition: Methane/Ammonia Ices
Physical Data
Mass: 830.4
Radius: 6.1
Gravity: 22.32 G
Time & Orbit
Eccentricity (e): 0.064
Orbit Range: 9.88 AU - 11.24 AU
Year: 22512 Days
Day: 24.4 Hours
Environment
Temp: -231 °C
Axial Tilt: 40 °
Atmosphere: Hâ‚‚, CHâ‚„
Biome: None
Satellites (94)
Outer Limit: 87,788,150 km
- M1: 725,550 km (0.116 R)
- M2: 830,867 km (0.102 R)
- M3: 1,207,255 km (0.032 R)
- M4: 1,364,931 km (0.107 R)
- M5: 1,700,329 km (0.089 R)
- M6: 1,770,491 km (0.112 R)
- M7: 2,173,208 km (0.072 R)
- M8: 2,523,417 km (0.088 R)
- M9: 3,631,189 km (0.083 R)
- M10: 4,426,601 km (0.065 R)
- M11: 4,868,812 km (0.032 R)
- M12: 5,532,279 km (0.085 R)
- M13: 5,742,165 km (0.082 R)
- M14: 5,954,594 km (0.082 R)
- M15: 6,008,150 km (0.101 R)
- M16: 6,278,174 km (0.05 R)
- M17: 6,607,439 km (0.044 R)
- M18: 7,055,185 km (0.12 R)
- M19: 7,686,937 km (0.117 R)
- M20: 8,336,491 km (0.056 R)
- M21: 8,516,756 km (0.098 R)
- M22: 8,819,991 km (0.095 R)
- M23: 10,195,992 km (0.12 R)
- M24: 11,704,238 km (0.064 R)
- M25: 12,449,984 km (0.083 R)
- M26: 13,141,126 km (0.106 R)
- M27: 13,421,173 km (0.03 R)
- M28: 14,560,510 km (0.109 R)
- M29: 14,777,726 km (0.102 R)
- M30: 15,879,066 km (0.066 R)
- M31: 16,930,739 km (0.057 R)
- M32: 20,057,185 km (0.089 R)
- M33: 20,866,061 km (0.079 R)
- M34: 21,520,850 km (0.08 R)
- M35: 22,099,345 km (0.086 R)
- M36: 22,682,927 km (0.037 R)
- M37: 23,610,134 km (0.03 R)
- M38: 23,694,956 km (0.117 R)
- M39: 24,292,301 km (0.085 R)
- M40: 25,675,782 km (0.082 R)
- M41: 27,619,656 km (0.116 R)
- M42: 27,798,725 km (0.035 R)
- M43: 28,068,001 km (0.109 R)
- M44: 28,609,097 km (0.105 R)
- M45: 30,069,172 km (0.061 R)
- M46: 31,273,136 km (0.103 R)
- M47: 31,459,684 km (0.099 R)
- M48: 32,681,749 km (0.109 R)
- M49: 33,727,887 km (0.088 R)
- M50: 34,688,455 km (0.109 R)
- M51: 35,075,166 km (0.119 R)
- M52: 39,927,073 km (0.082 R)
- M53: 40,332,334 km (0.037 R)
- M54: 40,535,488 km (0.093 R)
- M55: 41,453,869 km (0.102 R)
- M56: 42,999,664 km (0.11 R)
- M57: 43,623,188 km (0.117 R)
- M58: 43,831,727 km (0.05 R)
- M59: 44,145,135 km (0.098 R)
- M60: 44,249,853 km (0.1 R)
- M61: 44,564,158 km (0.082 R)
- M62: 45,935,223 km (0.104 R)
- M63: 46,041,138 km (0.108 R)
- M64: 48,502,322 km (0.118 R)
- M65: 49,803,375 km (0.035 R)
- M66: 49,912,282 km (0.115 R)
- M67: 50,567,521 km (0.082 R)
- M68: 51,115,797 km (0.066 R)
- M69: 54,222,047 km (0.055 R)
- M70: 54,446,145 km (0.112 R)
- M71: 54,670,691 km (0.119 R)
- M72: 56,364,439 km (0.07 R)
- M73: 58,304,573 km (0.112 R)
- M74: 58,994,668 km (0.051 R)
- M75: 59,918,884 km (0.103 R)
- M76: 60,034,673 km (0.059 R)
- M77: 63,308,921 km (0.095 R)
- M78: 63,899,683 km (0.052 R)
- M79: 64,373,609 km (0.112 R)
- M80: 67,603,128 km (0.053 R)
- M81: 68,206,905 km (0.032 R)
- M82: 68,448,955 km (0.103 R)
- M83: 68,812,627 km (0.096 R)
- M84: 68,933,951 km (0.119 R)
- M85: 69,176,748 km (0.053 R)
- M86: 73,845,399 km (0.042 R)
- M87: 79,122,463 km (0.079 R)
- M88: 80,268,981 km (0.086 R)
- M89: 80,524,495 km (0.077 R)
- M90: 81,420,885 km (0.067 R)
- M91: 83,870,849 km (0.061 R)
- M92: 84,779,507 km (0.069 R)
- M93: 84,909,657 km (0.105 R)
- M94: 85,822,054 km (0.107 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: 532 - 13,694 AU
Composition
Type: Cometary Reservoir
System's final boundary, containing trillions of icy planetesimals.