Star System Generated (Seed: 1766592983)
Star Details
Spectral Class: M5V
Temperature: 3,050 K
Mass: 0.3 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: 11 AU
Planetary System (7 Planets)
Planet 1 - Gas Giant
Semi-Major Axis: 0.69 AU
Status: Outer (Cold)
Composition: Hydrogen/Helium Atmosphere
Physical Data
Mass: 574.8
Radius: 8.2
Gravity: 8.55 G
Time & Orbit
Eccentricity (e): 0.229
Orbit Range: 0.53 AU - 0.85 AU
Year: 382 Days
Day: 6 Hours
Environment
Temp: -155 °C
Axial Tilt: 39.5 °
Atmosphere: Hâ‚‚, CHâ‚„
Biome: None
Satellites (44)
Outer Limit: 71,414,041 km
- M1: 105,616 km (0.117 R)
- M2: 165,006 km (0.095 R)
- M3: 226,641 km (0.066 R)
- M4: 277,953 km (0.07 R)
- M5: 348,563 km (0.053 R)
- M6: 399,875 km (0.097 R)
- M7: 457,470 km (0.066 R)
- M8: 572,062 km (0.082 R)
- M9: 685,757 km (0.094 R)
- M10: 753,225 km (0.083 R)
- M11: 862,881 km (0.116 R)
- M12: 1,024,895 km (0.083 R)
- M13: 1,156,541 km (0.069 R)
- M14: 1,303,147 km (0.096 R)
- M15: 1,388,268 km (0.07 R)
- M16: 1,564,495 km (0.065 R)
- M17: 1,701,377 km (0.086 R)
- M18: 1,842,447 km (0.101 R)
- M19: 1,998,179 km (0.101 R)
- M20: 2,058,467 km (0.063 R)
- M21: 2,158,398 km (0.106 R)
- M22: 2,214,647 km (0.049 R)
- M23: 2,363,198 km (0.086 R)
- M24: 2,485,718 km (0.111 R)
- M25: 2,604,200 km (0.12 R)
- M26: 2,658,205 km (0.027 R)
- M27: 2,718,642 km (0.099 R)
- M28: 2,773,395 km (0.119 R)
- M29: 2,865,547 km (0.112 R)
- M30: 3,065,560 km (0.106 R)
- M31: 3,193,017 km (0.086 R)
- M32: 3,341,568 km (0.095 R)
- M33: 3,426,689 km (0.077 R)
- M34: 3,485,930 km (0.11 R)
- M35: 3,572,248 km (0.118 R)
- M36: 3,625,804 km (0.075 R)
- M37: 3,686,241 km (0.064 R)
- M38: 3,740,246 km (0.059 R)
- M39: 3,890,143 km (0.116 R)
- M40: 4,069,960 km (0.11 R)
- M41: 4,189,040 km (0.096 R)
- M42: 4,337,740 km (0.112 R)
- M43: 4,481,055 km (0.118 R)
- M44: 5,107,271 km (0.095 R)
Planet 2 - Gas Giant
Semi-Major Axis: 0.84 AU
Status: Outer (Cold)
Composition: Hydrogen/Helium Atmosphere
Physical Data
Mass: 543.1
Radius: 14.9
Gravity: 2.45 G
Time & Orbit
Eccentricity (e): 0.124
Orbit Range: 0.74 AU - 0.94 AU
Year: 513 Days
Day: 12.9 Hours
Environment
Temp: -160 °C
Axial Tilt: 36.6 °
Atmosphere: Hâ‚‚, CHâ‚„
Biome: None
Satellites (39)
Outer Limit: 71,414,041 km
- M1: 190,438 km (0.038 R)
- M2: 286,031 km (0.068 R)
- M3: 402,119 km (0.071 R)
- M4: 534,064 km (0.12 R)
- M5: 642,972 km (0.11 R)
- M6: 761,304 km (0.071 R)
- M7: 1,009,786 km (0.044 R)
- M8: 1,137,542 km (0.099 R)
- M9: 1,246,001 km (0.089 R)
- M10: 1,400,086 km (0.104 R)
- M11: 1,506,600 km (0.106 R)
- M12: 1,621,641 km (0.112 R)
- M13: 1,717,084 km (0.075 R)
- M14: 1,855,163 km (0.104 R)
- M15: 1,949,410 km (0.081 R)
- M16: 2,242,472 km (0.111 R)
- M17: 2,349,734 km (0.106 R)
- M18: 2,497,836 km (0.099 R)
- M19: 2,722,532 km (0.109 R)
- M20: 2,878,562 km (0.066 R)
- M21: 2,995,697 km (0.053 R)
- M22: 3,171,176 km (0.103 R)
- M23: 3,299,680 km (0.049 R)
- M24: 3,444,491 km (0.079 R)
- M25: 3,628,646 km (0.049 R)
- M26: 3,740,695 km (0.101 R)
- M27: 3,846,311 km (0.112 R)
- M28: 3,945,345 km (0.095 R)
- M29: 4,138,326 km (0.051 R)
- M30: 4,239,903 km (0.096 R)
- M31: 4,358,235 km (0.09 R)
- M32: 4,711,585 km (0.065 R)
- M33: 4,875,395 km (0.116 R)
- M34: 5,166,662 km (0.065 R)
- M35: 5,267,790 km (0.082 R)
- M36: 5,532,428 km (0.07 R)
- M37: 5,688,010 km (0.09 R)
- M38: 5,845,238 km (0.051 R)
- M39: 6,065,894 km (0.111 R)
Planet 3 - Gas Giant
Semi-Major Axis: 1.3 AU
Status: Outer (Cold)
Composition: Hydrogen/Helium Atmosphere
Physical Data
Mass: 15
Radius: 12.5
Gravity: 0.1 G
Time & Orbit
Eccentricity (e): 0.085
Orbit Range: 1.19 AU - 1.41 AU
Year: 988 Days
Day: 13 Hours
Environment
Temp: -195 °C
Axial Tilt: 8.2 °
Atmosphere: Hâ‚‚, CHâ‚„
Biome: None
Satellites (24)
Outer Limit: 71,414,041 km
- M1: 170,990 km (0.037 R)
- M2: 251,624 km (0.091 R)
- M3: 338,839 km (0.114 R)
- M4: 422,016 km (0.117 R)
- M5: 517,010 km (0.119 R)
- M6: 641,625 km (0.096 R)
- M7: 778,059 km (0.054 R)
- M8: 869,912 km (0.12 R)
- M9: 982,110 km (0.103 R)
- M10: 1,071,270 km (0.115 R)
- M11: 1,172,099 km (0.052 R)
- M12: 1,279,511 km (0.074 R)
- M13: 1,393,654 km (0.051 R)
- M14: 1,553,424 km (0.083 R)
- M15: 1,712,896 km (0.108 R)
- M16: 1,801,607 km (0.037 R)
- M17: 1,902,436 km (0.06 R)
- M18: 2,001,769 km (0.083 R)
- M19: 2,132,069 km (0.081 R)
- M20: 2,235,441 km (0.117 R)
- M21: 2,317,869 km (0.105 R)
- M22: 2,598,964 km (0.082 R)
- M23: 2,689,770 km (0.081 R)
- M24: 2,781,772 km (0.114 R)
Planet 4 - Gas Giant
Semi-Major Axis: 1.67 AU
Status: Outer (Cold)
Composition: Hydrogen/Helium Atmosphere
Physical Data
Mass: 433.1
Radius: 11.8
Gravity: 3.11 G
Time & Orbit
Eccentricity (e): 0.21
Orbit Range: 1.32 AU - 2.02 AU
Year: 1439 Days
Day: 6.8 Hours
Environment
Temp: -198 °C
Axial Tilt: 4.8 °
Atmosphere: Hâ‚‚, CHâ‚„
Biome: None
Satellites (57)
Outer Limit: 71,414,041 km
- M1: 153,338 km (0.09 R)
- M2: 235,916 km (0.066 R)
- M3: 442,810 km (0.098 R)
- M4: 570,267 km (0.03 R)
- M5: 675,434 km (0.115 R)
- M6: 807,529 km (0.1 R)
- M7: 1,063,042 km (0.062 R)
- M8: 1,166,714 km (0.055 R)
- M9: 1,281,755 km (0.054 R)
- M10: 1,557,463 km (0.104 R)
- M11: 1,693,897 km (0.088 R)
- M12: 2,025,106 km (0.083 R)
- M13: 2,127,581 km (0.083 R)
- M14: 2,241,574 km (0.094 R)
- M15: 2,338,065 km (0.107 R)
- M16: 2,455,799 km (0.105 R)
- M17: 2,565,454 km (0.106 R)
- M18: 2,862,705 km (0.064 R)
- M19: 3,010,208 km (0.101 R)
- M20: 3,117,171 km (0.092 R)
- M21: 3,214,559 km (0.113 R)
- M22: 3,302,074 km (0.065 R)
- M23: 3,716,909 km (0.05 R)
- M24: 3,901,662 km (0.114 R)
- M25: 4,148,648 km (0.103 R)
- M26: 4,340,283 km (0.081 R)
- M27: 4,425,105 km (0.109 R)
- M28: 4,547,177 km (0.11 R)
- M29: 4,670,446 km (0.109 R)
- M30: 4,744,945 km (0.089 R)
- M31: 4,844,877 km (0.117 R)
- M32: 4,932,990 km (0.068 R)
- M33: 5,046,983 km (0.081 R)
- M34: 5,381,335 km (0.099 R)
- M35: 5,524,949 km (0.032 R)
- M36: 5,882,936 km (0.098 R)
- M37: 6,098,806 km (0.082 R)
- M38: 6,180,337 km (0.081 R)
- M39: 6,427,323 km (0.096 R)
- M40: 7,116,221 km (0.119 R)
- M41: 7,202,240 km (0.095 R)
- M42: 7,491,413 km (0.119 R)
- M43: 7,666,741 km (0.107 R)
- M44: 7,976,858 km (0.09 R)
- M45: 8,260,944 km (0.115 R)
- M46: 8,594,248 km (0.079 R)
- M47: 8,762,546 km (0.057 R)
- M48: 8,947,299 km (0.05 R)
- M49: 9,024,791 km (0.115 R)
- M50: 9,211,339 km (0.043 R)
- M51: 9,462,365 km (0.082 R)
- M52: 9,906,820 km (0.111 R)
- M53: 10,504,912 km (0.078 R)
- M54: 10,799,919 km (0.101 R)
- M55: 10,932,014 km (0.088 R)
- M56: 11,014,891 km (0.063 R)
- M57: 11,281,325 km (0.094 R)
Planet 5 - Gas Giant
Semi-Major Axis: 4.22 AU
Status: Outer (Cold)
Composition: Hydrogen/Helium Atmosphere
Physical Data
Mass: 83.2
Radius: 10
Gravity: 0.83 G
Time & Orbit
Eccentricity (e): 0.009
Orbit Range: 4.18 AU - 4.26 AU
Year: 5781 Days
Day: 13.8 Hours
Environment
Temp: -218 °C
Axial Tilt: 0.2 °
Atmosphere: Hâ‚‚, CHâ‚„
Biome: None
Satellites (70)
Outer Limit: 71,414,041 km
- M1: 127,009 km (0.105 R)
- M2: 196,871 km (0.05 R)
- M3: 260,151 km (0.119 R)
- M4: 389,104 km (0.076 R)
- M5: 573,109 km (0.072 R)
- M6: 656,884 km (0.086 R)
- M7: 728,990 km (0.1 R)
- M8: 795,561 km (0.077 R)
- M9: 989,889 km (0.11 R)
- M10: 1,121,984 km (0.044 R)
- M11: 1,190,350 km (0.066 R)
- M12: 1,300,753 km (0.095 R)
- M13: 1,521,261 km (0.085 R)
- M14: 1,641,837 km (0.111 R)
- M15: 1,720,226 km (0.119 R)
- M16: 1,915,900 km (0.075 R)
- M17: 2,106,936 km (0.104 R)
- M18: 2,316,822 km (0.088 R)
- M19: 2,507,859 km (0.087 R)
- M20: 2,585,650 km (0.097 R)
- M21: 2,664,338 km (0.114 R)
- M22: 2,959,794 km (0.094 R)
- M23: 3,111,636 km (0.077 R)
- M24: 3,223,685 km (0.119 R)
- M25: 3,495,055 km (0.053 R)
- M26: 3,611,592 km (0.111 R)
- M27: 3,759,245 km (0.057 R)
- M28: 3,938,912 km (0.111 R)
- M29: 4,400,721 km (0.102 R)
- M30: 4,495,117 km (0.066 R)
- M31: 4,622,125 km (0.109 R)
- M32: 5,241,610 km (0.117 R)
- M33: 5,527,193 km (0.111 R)
- M34: 5,680,530 km (0.09 R)
- M35: 6,166,574 km (0.09 R)
- M36: 6,450,361 km (0.103 R)
- M37: 6,774,689 km (0.052 R)
- M38: 7,141,354 km (0.061 R)
- M39: 7,215,554 km (0.05 R)
- M40: 7,401,953 km (0.105 R)
- M41: 7,571,148 km (0.098 R)
- M42: 7,722,541 km (0.115 R)
- M43: 7,817,835 km (0.089 R)
- M44: 8,105,661 km (0.104 R)
- M45: 8,494,915 km (0.094 R)
- M46: 9,010,130 km (0.049 R)
- M47: 9,637,693 km (0.117 R)
- M48: 9,760,812 km (0.063 R)
- M49: 9,946,463 km (0.069 R)
- M50: 10,008,696 km (0.115 R)
- M51: 10,384,187 km (0.067 R)
- M52: 10,447,317 km (0.074 R)
- M53: 10,785,707 km (0.113 R)
- M54: 11,020,426 km (0.095 R)
- M55: 11,213,856 km (0.077 R)
- M56: 11,300,174 km (0.109 R)
- M57: 11,538,633 km (0.12 R)
- M58: 11,844,561 km (0.118 R)
- M59: 12,108,900 km (0.116 R)
- M60: 13,574,511 km (0.11 R)
- M61: 14,410,164 km (0.085 R)
- M62: 14,763,215 km (0.061 R)
- M63: 15,024,114 km (0.068 R)
- M64: 15,214,702 km (0.035 R)
- M65: 15,598,271 km (0.093 R)
- M66: 15,670,527 km (0.042 R)
- M67: 15,742,932 km (0.085 R)
- M68: 15,863,957 km (0.075 R)
- M69: 16,301,830 km (0.081 R)
- M70: 16,399,667 km (0.108 R)
Planet 6 - Ice Giant
Semi-Major Axis: 6.75 AU
Status: Outer (Cold)
Composition: Methane/Ammonia Ices
Physical Data
Mass: 487.7
Radius: 3.7
Gravity: 35.62 G
Time & Orbit
Eccentricity (e): 0.083
Orbit Range: 6.19 AU - 7.31 AU
Year: 11695 Days
Day: 22.8 Hours
Environment
Temp: -226 °C
Axial Tilt: 9.3 °
Atmosphere: Hâ‚‚, CHâ‚„
Biome: None
Satellites (89)
Outer Limit: 71,414,041 km
- M1: 50,265 km (0.11 R)
- M2: 124,615 km (0.079 R)
- M3: 151,243 km (0.09 R)
- M4: 268,379 km (0.11 R)
- M5: 305,030 km (0.08 R)
- M6: 397,631 km (0.067 R)
- M7: 440,117 km (0.091 R)
- M8: 529,576 km (0.102 R)
- M9: 560,842 km (0.049 R)
- M10: 1,079,947 km (0.114 R)
- M11: 1,370,466 km (0.103 R)
- M12: 1,569,431 km (0.073 R)
- M13: 1,637,947 km (0.09 R)
- M14: 1,754,035 km (0.066 R)
- M15: 2,270,746 km (0.065 R)
- M16: 2,505,764 km (0.1 R)
- M17: 3,314,341 km (0.087 R)
- M18: 3,343,512 km (0.066 R)
- M19: 3,610,395 km (0.097 R)
- M20: 3,640,464 km (0.098 R)
- M21: 3,914,976 km (0.036 R)
- M22: 3,945,943 km (0.089 R)
- M23: 4,101,674 km (0.105 R)
- M24: 4,227,785 km (0.039 R)
- M25: 5,179,228 km (0.069 R)
- M26: 5,696,388 km (0.11 R)
- M27: 5,731,543 km (0.088 R)
- M28: 5,766,549 km (0.046 R)
- M29: 5,978,978 km (0.056 R)
- M30: 6,338,462 km (0.094 R)
- M31: 6,594,274 km (0.028 R)
- M32: 7,420,054 km (0.082 R)
- M33: 8,119,574 km (0.056 R)
- M34: 8,238,205 km (0.105 R)
- M35: 8,277,849 km (0.057 R)
- M36: 8,317,642 km (0.052 R)
- M37: 8,357,435 km (0.086 R)
- M38: 8,637,781 km (0.084 R)
- M39: 9,207,749 km (0.059 R)
- M40: 9,290,177 km (0.07 R)
- M41: 10,298,018 km (0.064 R)
- M42: 10,771,495 km (0.09 R)
- M43: 11,164,190 km (0.116 R)
- M44: 11,252,004 km (0.096 R)
- M45: 11,650,383 km (0.098 R)
- M46: 12,233,964 km (0.111 R)
- M47: 12,552,009 km (0.043 R)
- M48: 12,918,973 km (0.114 R)
- M49: 13,335,902 km (0.049 R)
- M50: 13,475,926 km (0.103 R)
- M51: 14,709,360 km (0.077 R)
- M52: 14,902,192 km (0.026 R)
- M53: 14,998,982 km (0.057 R)
- M54: 15,437,154 km (0.086 R)
- M55: 15,534,991 km (0.09 R)
- M56: 15,584,059 km (0.119 R)
- M57: 16,525,628 km (0.114 R)
- M58: 16,726,239 km (0.071 R)
- M59: 17,231,132 km (0.097 R)
- M60: 17,587,623 km (0.07 R)
- M61: 18,411,309 km (0.084 R)
- M62: 18,463,220 km (0.113 R)
- M63: 18,932,508 km (0.117 R)
- M64: 19,089,885 km (0.103 R)
- M65: 21,119,779 km (0.084 R)
- M66: 21,501,104 km (0.072 R)
- M67: 26,836,960 km (0.11 R)
- M68: 27,309,091 km (0.109 R)
- M69: 27,368,182 km (0.064 R)
- M70: 27,486,814 km (0.06 R)
- M71: 27,664,835 km (0.095 R)
- M72: 28,441,248 km (0.12 R)
- M73: 28,561,225 km (0.069 R)
- M74: 30,198,574 km (0.079 R)
- M75: 30,997,726 km (0.066 R)
- M76: 31,803,759 km (0.11 R)
- M77: 32,303,117 km (0.105 R)
- M78: 38,760,958 km (0.094 R)
- M79: 39,428,015 km (0.109 R)
- M80: 40,166,280 km (0.047 R)
- M81: 41,248,022 km (0.089 R)
- M82: 42,682,516 km (0.119 R)
- M83: 43,578,608 km (0.08 R)
- M84: 44,202,730 km (0.086 R)
- M85: 44,550,695 km (0.064 R)
- M86: 45,319,329 km (0.083 R)
- M87: 46,021,990 km (0.114 R)
- M88: 46,303,982 km (0.075 R)
- M89: 47,438,083 km (0.086 R)
Planet 7 - Ice Giant
Semi-Major Axis: 9.69 AU
Status: Outer (Cold)
Composition: Methane/Ammonia Ices
Physical Data
Mass: 559.9
Radius: 6.3
Gravity: 14.11 G
Time & Orbit
Eccentricity (e): 0.196
Orbit Range: 7.79 AU - 11.59 AU
Year: 20115 Days
Day: 19.8 Hours
Environment
Temp: -234 °C
Axial Tilt: 36.2 °
Atmosphere: Hâ‚‚, CHâ‚„
Biome: None
Satellites (94)
Outer Limit: 71,414,041 km
- M1: 149,747 km (0.094 R)
- M2: 412,591 km (0.071 R)
- M3: 565,630 km (0.099 R)
- M4: 1,126,771 km (0.115 R)
- M5: 1,371,364 km (0.062 R)
- M6: 1,573,022 km (0.052 R)
- M7: 2,068,939 km (0.098 R)
- M8: 3,006,768 km (0.081 R)
- M9: 3,383,455 km (0.115 R)
- M10: 3,735,309 km (0.044 R)
- M11: 4,643,817 km (0.091 R)
- M12: 4,772,770 km (0.066 R)
- M13: 5,122,680 km (0.057 R)
- M14: 5,708,655 km (0.03 R)
- M15: 5,754,581 km (0.096 R)
- M16: 6,554,780 km (0.095 R)
- M17: 7,339,272 km (0.06 R)
- M18: 7,489,617 km (0.029 R)
- M19: 7,641,010 km (0.086 R)
- M20: 7,793,451 km (0.089 R)
- M21: 8,101,473 km (0.094 R)
- M22: 9,535,667 km (0.117 R)
- M23: 9,864,932 km (0.106 R)
- M24: 9,920,134 km (0.098 R)
- M25: 11,682,995 km (0.117 R)
- M26: 11,917,415 km (0.117 R)
- M27: 12,570,111 km (0.115 R)
- M28: 12,690,088 km (0.066 R)
- M29: 13,478,768 km (0.072 R)
- M30: 13,663,073 km (0.071 R)
- M31: 13,910,059 km (0.11 R)
- M32: 14,283,305 km (0.096 R)
- M33: 14,533,882 km (0.076 R)
- M34: 14,596,863 km (0.095 R)
- M35: 14,659,843 km (0.087 R)
- M36: 15,166,980 km (0.069 R)
- M37: 15,230,709 km (0.108 R)
- M38: 16,133,382 km (0.065 R)
- M39: 18,192,747 km (0.077 R)
- M40: 18,669,066 km (0.106 R)
- M41: 21,756,168 km (0.102 R)
- M42: 22,044,443 km (0.102 R)
- M43: 22,189,254 km (0.118 R)
- M44: 23,210,708 km (0.07 R)
- M45: 24,471,668 km (0.083 R)
- M46: 24,546,467 km (0.097 R)
- M47: 26,212,689 km (0.064 R)
- M48: 26,442,770 km (0.073 R)
- M49: 26,827,685 km (0.114 R)
- M50: 27,369,529 km (0.115 R)
- M51: 28,700,651 km (0.028 R)
- M52: 29,652,991 km (0.088 R)
- M53: 29,892,647 km (0.046 R)
- M54: 31,262,963 km (0.11 R)
- M55: 31,425,576 km (0.086 R)
- M56: 31,751,550 km (0.106 R)
- M57: 32,078,571 km (0.098 R)
- M58: 33,647,403 km (0.096 R)
- M59: 34,987,950 km (0.097 R)
- M60: 38,153,890 km (0.06 R)
- M61: 38,588,621 km (0.117 R)
- M62: 39,200,177 km (0.115 R)
- M63: 39,726,911 km (0.062 R)
- M64: 40,255,889 km (0.064 R)
- M65: 40,876,122 km (0.025 R)
- M66: 45,029,258 km (0.079 R)
- M67: 45,580,676 km (0.093 R)
- M68: 47,435,241 km (0.093 R)
- M69: 50,072,801 km (0.075 R)
- M70: 51,122,080 km (0.109 R)
- M71: 51,409,458 km (0.104 R)
- M72: 53,436,060 km (0.084 R)
- M73: 53,533,299 km (0.059 R)
- M74: 54,019,941 km (0.094 R)
- M75: 54,117,479 km (0.104 R)
- M76: 56,376,406 km (0.053 R)
- M77: 56,772,392 km (0.111 R)
- M78: 56,970,759 km (0.066 R)
- M79: 58,666,002 km (0.105 R)
- M80: 60,681,534 km (0.069 R)
- M81: 62,105,855 km (0.09 R)
- M82: 62,924,754 km (0.102 R)
- M83: 63,335,400 km (0.114 R)
- M84: 64,159,684 km (0.055 R)
- M85: 65,091,081 km (0.037 R)
- M86: 66,235,654 km (0.103 R)
- M87: 66,340,073 km (0.095 R)
- M88: 66,548,912 km (0.072 R)
- M89: 66,758,050 km (0.105 R)
- M90: 67,386,810 km (0.113 R)
- M91: 67,807,030 km (0.11 R)
- M92: 68,755,780 km (0.114 R)
- M93: 69,390,673 km (0.086 R)
- M94: 70,133,875 km (0.108 R)
Kuiper Belt
Range: 30 - 57 AU
Composition
Type: Dwarf Planets/TNOs (Ices)
Reservoir of dwarf planets and volatile ices.
Outer System
Oort Cloud
Range: 282 - 10,375 AU
Composition
Type: Cometary Reservoir
System's final boundary, containing trillions of icy planetesimals.