Star System Generated (Seed: 1768456555)
Star Details
Spectral Class: M1V
Temperature: 3,483 K
Mass: 0.32 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: 11.3 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: 575.2
Radius: 11.9
Gravity: 4.06 G
Time & Orbit
Eccentricity (e): 0.118
Orbit Range: 0.61 AU - 0.77 AU
Year: 370 Days
Day: 11.6 Hours
Environment
Temp: -127 °C
Axial Tilt: 3.6 °
Atmosphere: Hâ‚‚, CHâ‚„
Biome: None
Satellites (36)
Outer Limit: 38,548,691 km
- M1: 149,149 km (0.098 R)
- M2: 268,827 km (0.065 R)
- M3: 353,201 km (0.056 R)
- M4: 539,001 km (0.112 R)
- M5: 623,674 km (0.12 R)
- M6: 706,850 km (0.055 R)
- M7: 812,915 km (0.068 R)
- M8: 901,327 km (0.116 R)
- M9: 1,055,263 km (0.091 R)
- M10: 1,222,813 km (0.11 R)
- M11: 1,380,938 km (0.072 R)
- M12: 1,479,373 km (0.07 R)
- M13: 1,609,523 km (0.073 R)
- M14: 1,708,408 km (0.074 R)
- M15: 1,902,287 km (0.058 R)
- M16: 1,996,683 km (0.105 R)
- M17: 2,146,879 km (0.12 R)
- M18: 2,334,325 km (0.114 R)
- M19: 2,458,641 km (0.098 R)
- M20: 2,649,229 km (0.044 R)
- M21: 2,838,919 km (0.108 R)
- M22: 2,959,794 km (0.118 R)
- M23: 3,181,648 km (0.101 R)
- M24: 3,269,461 km (0.095 R)
- M25: 3,364,456 km (0.064 R)
- M26: 3,793,652 km (0.097 R)
- M27: 3,933,826 km (0.07 R)
- M28: 4,123,516 km (0.118 R)
- M29: 4,281,641 km (0.112 R)
- M30: 4,399,973 km (0.089 R)
- M31: 4,519,202 km (0.079 R)
- M32: 4,639,628 km (0.065 R)
- M33: 4,739,560 km (0.039 R)
- M34: 4,840,239 km (0.111 R)
- M35: 4,941,666 km (0.095 R)
- M36: 5,021,851 km (0.101 R)
Planet 2 - Gas Giant
Semi-Major Axis: 1 AU
Status: Outer (Cold)
Composition: Hydrogen/Helium Atmosphere
Physical Data
Mass: 239.5
Radius: 13.3
Gravity: 1.35 G
Time & Orbit
Eccentricity (e): 0.058
Orbit Range: 0.94 AU - 1.06 AU
Year: 646 Days
Day: 5.2 Hours
Environment
Temp: -167 °C
Axial Tilt: 38.4 °
Atmosphere: Hâ‚‚, CHâ‚„
Biome: None
Satellites (38)
Outer Limit: 38,548,691 km
- M1: 222,602 km (0.055 R)
- M2: 329,564 km (0.1 R)
- M3: 423,811 km (0.112 R)
- M4: 512,223 km (0.082 R)
- M5: 608,714 km (0.108 R)
- M6: 716,574 km (0.099 R)
- M7: 808,277 km (0.103 R)
- M8: 1,039,855 km (0.106 R)
- M9: 1,123,779 km (0.077 R)
- M10: 1,261,110 km (0.111 R)
- M11: 1,346,530 km (0.093 R)
- M12: 1,548,787 km (0.103 R)
- M13: 1,729,651 km (0.105 R)
- M14: 1,961,677 km (0.109 R)
- M15: 2,090,181 km (0.096 R)
- M16: 2,192,806 km (0.094 R)
- M17: 2,303,059 km (0.107 R)
- M18: 2,415,108 km (0.059 R)
- M19: 2,517,134 km (0.114 R)
- M20: 2,614,372 km (0.089 R)
- M21: 2,700,541 km (0.074 R)
- M22: 2,838,021 km (0.116 R)
- M23: 3,061,670 km (0.111 R)
- M24: 3,284,571 km (0.099 R)
- M25: 3,404,848 km (0.085 R)
- M26: 3,519,739 km (0.117 R)
- M27: 3,663,502 km (0.082 R)
- M28: 3,823,273 km (0.117 R)
- M29: 3,928,739 km (0.082 R)
- M30: 4,085,368 km (0.061 R)
- M31: 4,236,612 km (0.094 R)
- M32: 4,404,610 km (0.104 R)
- M33: 4,604,622 km (0.082 R)
- M34: 4,709,491 km (0.096 R)
- M35: 4,921,770 km (0.12 R)
- M36: 5,029,181 km (0.087 R)
- M37: 5,145,120 km (0.083 R)
- M38: 5,363,832 km (0.103 R)
Planet 3 - Gas Giant
Semi-Major Axis: 1.1 AU
Status: Outer (Cold)
Composition: Hydrogen/Helium Atmosphere
Physical Data
Mass: 240.2
Radius: 13.2
Gravity: 1.38 G
Time & Orbit
Eccentricity (e): 0.244
Orbit Range: 0.83 AU - 1.37 AU
Year: 745 Days
Day: 11.9 Hours
Environment
Temp: -159 °C
Axial Tilt: 10 °
Atmosphere: Hâ‚‚, CHâ‚„
Biome: None
Satellites (36)
Outer Limit: 38,548,691 km
- M1: 164,408 km (0.099 R)
- M2: 258,356 km (0.089 R)
- M3: 394,041 km (0.067 R)
- M4: 579,243 km (0.036 R)
- M5: 692,489 km (0.08 R)
- M6: 793,617 km (0.065 R)
- M7: 926,908 km (0.097 R)
- M8: 1,077,703 km (0.098 R)
- M9: 1,207,853 km (0.1 R)
- M10: 1,292,675 km (0.117 R)
- M11: 1,384,827 km (0.091 R)
- M12: 1,511,387 km (0.119 R)
- M13: 1,765,255 km (0.091 R)
- M14: 1,991,746 km (0.104 R)
- M15: 2,142,092 km (0.062 R)
- M16: 2,321,310 km (0.074 R)
- M17: 2,409,723 km (0.111 R)
- M18: 2,499,332 km (0.082 R)
- M19: 2,603,153 km (0.088 R)
- M20: 2,708,320 km (0.114 R)
- M21: 2,882,601 km (0.101 R)
- M22: 2,991,658 km (0.113 R)
- M23: 3,150,980 km (0.046 R)
- M24: 3,284,720 km (0.052 R)
- M25: 3,449,278 km (0.118 R)
- M26: 3,786,621 km (0.11 R)
- M27: 4,043,032 km (0.067 R)
- M28: 4,157,923 km (0.114 R)
- M29: 4,493,621 km (0.065 R)
- M30: 4,588,915 km (0.026 R)
- M31: 5,191,345 km (0.051 R)
- M32: 5,283,049 km (0.106 R)
- M33: 5,442,819 km (0.11 R)
- M34: 5,681,278 km (0.106 R)
- M35: 5,810,381 km (0.11 R)
- M36: 5,914,352 km (0.08 R)
Planet 4 - Gas Giant
Semi-Major Axis: 2 AU
Status: Outer (Cold)
Composition: Hydrogen/Helium Atmosphere
Physical Data
Mass: 606.1
Radius: 9.4
Gravity: 6.86 G
Time & Orbit
Eccentricity (e): 0.102
Orbit Range: 1.8 AU - 2.2 AU
Year: 1826 Days
Day: 6.6 Hours
Environment
Temp: -188 °C
Axial Tilt: 3 °
Atmosphere: Hâ‚‚, CHâ‚„
Biome: None
Satellites (71)
Outer Limit: 38,548,691 km
- M1: 149,448 km (0.114 R)
- M2: 366,066 km (0.111 R)
- M3: 513,719 km (0.119 R)
- M4: 660,325 km (0.079 R)
- M5: 750,832 km (0.091 R)
- M6: 911,500 km (0.094 R)
- M7: 1,022,352 km (0.097 R)
- M8: 1,183,469 km (0.106 R)
- M9: 1,295,667 km (0.035 R)
- M10: 1,401,882 km (0.086 R)
- M11: 1,674,898 km (0.106 R)
- M12: 1,759,121 km (0.063 R)
- M13: 2,519,527 km (0.092 R)
- M14: 2,839,667 km (0.068 R)
- M15: 2,940,795 km (0.107 R)
- M16: 3,081,866 km (0.085 R)
- M17: 3,172,821 km (0.12 R)
- M18: 3,451,223 km (0.114 R)
- M19: 3,848,555 km (0.059 R)
- M20: 3,918,567 km (0.119 R)
- M21: 4,333,102 km (0.118 R)
- M22: 4,449,938 km (0.07 R)
- M23: 4,567,821 km (0.032 R)
- M24: 4,806,729 km (0.1 R)
- M25: 4,897,385 km (0.075 R)
- M26: 5,019,158 km (0.116 R)
- M27: 5,453,441 km (0.091 R)
- M28: 5,932,154 km (0.072 R)
- M29: 6,591,282 km (0.06 R)
- M30: 6,658,601 km (0.079 R)
- M31: 6,742,825 km (0.084 R)
- M32: 6,861,606 km (0.05 R)
- M33: 7,256,394 km (0.112 R)
- M34: 7,325,808 km (0.108 R)
- M35: 7,412,874 km (0.115 R)
- M36: 7,623,358 km (0.119 R)
- M37: 7,924,947 km (0.041 R)
- M38: 8,176,122 km (0.077 R)
- M39: 8,266,629 km (0.11 R)
- M40: 8,357,285 km (0.087 R)
- M41: 8,797,402 km (0.101 R)
- M42: 9,113,652 km (0.06 R)
- M43: 9,263,848 km (0.069 R)
- M44: 9,661,928 km (0.068 R)
- M45: 9,814,967 km (0.116 R)
- M46: 9,949,605 km (0.089 R)
- M47: 10,026,947 km (0.118 R)
- M48: 10,104,289 km (0.065 R)
- M49: 10,240,273 km (0.088 R)
- M50: 10,298,766 km (0.08 R)
- M51: 10,514,038 km (0.115 R)
- M52: 10,730,805 km (0.088 R)
- M53: 10,829,839 km (0.088 R)
- M54: 11,430,624 km (0.097 R)
- M55: 11,491,211 km (0.09 R)
- M56: 11,551,948 km (0.113 R)
- M57: 11,775,746 km (0.062 R)
- M58: 11,836,932 km (0.116 R)
- M59: 12,186,243 km (0.095 R)
- M60: 12,518,051 km (0.112 R)
- M61: 12,747,833 km (0.043 R)
- M62: 12,810,814 km (0.118 R)
- M63: 13,105,821 km (0.079 R)
- M64: 13,275,465 km (0.086 R)
- M65: 13,339,193 km (0.085 R)
- M66: 13,788,585 km (0.116 R)
- M67: 13,982,763 km (0.104 R)
- M68: 14,221,222 km (0.102 R)
- M69: 14,308,288 km (0.114 R)
- M70: 14,395,504 km (0.119 R)
- M71: 14,483,019 km (0.05 R)
Planet 5 - Gas Giant
Semi-Major Axis: 4.03 AU
Status: Outer (Cold)
Composition: Hydrogen/Helium Atmosphere
Physical Data
Mass: 412.3
Radius: 8.1
Gravity: 6.28 G
Time & Orbit
Eccentricity (e): 0.216
Orbit Range: 3.16 AU - 4.9 AU
Year: 5224 Days
Day: 10.3 Hours
Environment
Temp: -215 °C
Axial Tilt: 30 °
Atmosphere: Hâ‚‚, CHâ‚„
Biome: None
Satellites (83)
Outer Limit: 38,548,691 km
- M1: 139,425 km (0.108 R)
- M2: 286,779 km (0.119 R)
- M3: 367,113 km (0.12 R)
- M4: 428,897 km (0.109 R)
- M5: 484,996 km (0.115 R)
- M6: 616,493 km (0.113 R)
- M7: 714,779 km (0.115 R)
- M8: 794,963 km (0.081 R)
- M9: 890,706 km (0.11 R)
- M10: 965,056 km (0.03 R)
- M11: 1,080,845 km (0.082 R)
- M12: 1,215,034 km (0.094 R)
- M13: 1,284,148 km (0.06 R)
- M14: 1,758,523 km (0.12 R)
- M15: 2,015,083 km (0.101 R)
- M16: 2,081,056 km (0.085 R)
- M17: 2,147,777 km (0.118 R)
- M18: 2,421,990 km (0.078 R)
- M19: 2,545,557 km (0.119 R)
- M20: 2,891,577 km (0.104 R)
- M21: 3,310,750 km (0.117 R)
- M22: 3,728,577 km (0.036 R)
- M23: 3,933,526 km (0.06 R)
- M24: 4,142,215 km (0.101 R)
- M25: 4,269,224 km (0.092 R)
- M26: 4,354,495 km (0.07 R)
- M27: 4,723,702 km (0.104 R)
- M28: 4,834,255 km (0.051 R)
- M29: 6,081,602 km (0.069 R)
- M30: 6,323,053 km (0.096 R)
- M31: 6,641,697 km (0.095 R)
- M32: 6,890,328 km (0.088 R)
- M33: 7,142,102 km (0.064 R)
- M34: 7,396,867 km (0.087 R)
- M35: 7,576,983 km (0.111 R)
- M36: 7,968,031 km (0.073 R)
- M37: 8,312,106 km (0.098 R)
- M38: 8,445,847 km (0.063 R)
- M39: 8,742,350 km (0.094 R)
- M40: 9,042,294 km (0.076 R)
- M41: 9,124,722 km (0.116 R)
- M42: 10,304,601 km (0.106 R)
- M43: 11,029,552 km (0.116 R)
- M44: 11,235,398 km (0.118 R)
- M45: 11,591,441 km (0.069 R)
- M46: 11,680,901 km (0.105 R)
- M47: 11,921,006 km (0.112 R)
- M48: 12,102,019 km (0.11 R)
- M49: 12,405,852 km (0.081 R)
- M50: 12,743,046 km (0.066 R)
- M51: 13,898,989 km (0.101 R)
- M52: 14,185,169 km (0.074 R)
- M53: 14,377,103 km (0.114 R)
- M54: 14,763,515 km (0.114 R)
- M55: 14,828,291 km (0.119 R)
- M56: 14,925,529 km (0.082 R)
- M57: 15,480,836 km (0.116 R)
- M58: 16,142,807 km (0.114 R)
- M59: 16,611,647 km (0.059 R)
- M60: 16,746,434 km (0.113 R)
- M61: 17,187,000 km (0.119 R)
- M62: 17,255,067 km (0.094 R)
- M63: 17,837,751 km (0.071 R)
- M64: 18,287,592 km (0.113 R)
- M65: 18,496,430 km (0.114 R)
- M66: 18,741,172 km (0.083 R)
- M67: 18,951,806 km (0.103 R)
- M68: 19,233,948 km (0.078 R)
- M69: 19,552,890 km (0.11 R)
- M70: 20,628,798 km (0.036 R)
- M71: 21,210,435 km (0.099 R)
- M72: 21,613,452 km (0.103 R)
- M73: 21,760,656 km (0.087 R)
- M74: 22,055,962 km (0.111 R)
- M75: 24,046,063 km (0.11 R)
- M76: 24,236,800 km (0.088 R)
- M77: 24,619,621 km (0.115 R)
- M78: 24,888,897 km (0.107 R)
- M79: 24,965,940 km (0.078 R)
- M80: 25,430,292 km (0.075 R)
- M81: 25,663,515 km (0.064 R)
- M82: 25,819,396 km (0.1 R)
- M83: 26,249,639 km (0.037 R)
Planet 6 - Gas Giant
Semi-Major Axis: 5.6 AU
Status: Outer (Cold)
Composition: Hydrogen/Helium Atmosphere
Physical Data
Mass: 331.4
Radius: 15
Gravity: 1.47 G
Time & Orbit
Eccentricity (e): 0.156
Orbit Range: 4.73 AU - 6.47 AU
Year: 8557 Days
Day: 10.2 Hours
Environment
Temp: -220 °C
Axial Tilt: 1.3 °
Atmosphere: Hâ‚‚, CHâ‚„
Biome: None
Satellites (80)
Outer Limit: 38,548,691 km
- M1: 230,830 km (0.105 R)
- M2: 476,918 km (0.113 R)
- M3: 609,761 km (0.092 R)
- M4: 1,143,077 km (0.039 R)
- M5: 1,450,800 km (0.081 R)
- M6: 1,606,083 km (0.104 R)
- M7: 1,804,001 km (0.056 R)
- M8: 1,972,298 km (0.067 R)
- M9: 2,509,055 km (0.074 R)
- M10: 2,634,568 km (0.079 R)
- M11: 2,914,017 km (0.05 R)
- M12: 3,090,842 km (0.111 R)
- M13: 3,248,667 km (0.093 R)
- M14: 3,362,960 km (0.094 R)
- M15: 3,572,397 km (0.091 R)
- M16: 3,810,258 km (0.096 R)
- M17: 4,102,722 km (0.105 R)
- M18: 4,632,298 km (0.028 R)
- M19: 4,735,670 km (0.066 R)
- M20: 4,997,466 km (0.055 R)
- M21: 5,453,890 km (0.116 R)
- M22: 5,618,148 km (0.096 R)
- M23: 5,839,852 km (0.088 R)
- M24: 5,979,876 km (0.084 R)
- M25: 6,149,370 km (0.081 R)
- M26: 6,320,660 km (0.025 R)
- M27: 6,551,340 km (0.052 R)
- M28: 6,667,727 km (0.1 R)
- M29: 6,932,216 km (0.048 R)
- M30: 7,110,536 km (0.042 R)
- M31: 7,350,641 km (0.089 R)
- M32: 7,532,552 km (0.058 R)
- M33: 8,118,377 km (0.1 R)
- M34: 8,879,531 km (0.081 R)
- M35: 9,041,097 km (0.091 R)
- M36: 9,465,506 km (0.101 R)
- M37: 9,763,206 km (0.094 R)
- M38: 10,266,303 km (0.077 R)
- M39: 10,538,123 km (0.118 R)
- M40: 10,984,972 km (0.114 R)
- M41: 11,228,068 km (0.089 R)
- M42: 11,719,796 km (0.047 R)
- M43: 12,290,512 km (0.056 R)
- M44: 12,470,778 km (0.095 R)
- M45: 12,724,496 km (0.12 R)
- M46: 12,980,009 km (0.096 R)
- M47: 13,496,122 km (0.115 R)
- M48: 13,607,572 km (0.095 R)
- M49: 14,586,690 km (0.107 R)
- M50: 14,854,171 km (0.081 R)
- M51: 15,277,683 km (0.085 R)
- M52: 15,861,862 km (0.101 R)
- M53: 16,453,372 km (0.105 R)
- M54: 16,612,395 km (0.032 R)
- M55: 17,293,663 km (0.1 R)
- M56: 19,350,185 km (0.092 R)
- M57: 19,812,892 km (0.093 R)
- M58: 19,939,751 km (0.062 R)
- M59: 21,223,151 km (0.047 R)
- M60: 21,569,919 km (0.081 R)
- M61: 22,093,511 km (0.086 R)
- M62: 23,510,353 km (0.062 R)
- M63: 23,959,146 km (0.1 R)
- M64: 24,139,561 km (0.06 R)
- M65: 24,410,932 km (0.081 R)
- M66: 25,368,508 km (0.118 R)
- M67: 25,736,668 km (0.106 R)
- M68: 26,991,944 km (0.104 R)
- M69: 27,179,540 km (0.038 R)
- M70: 27,320,610 km (0.076 R)
- M71: 27,792,442 km (0.097 R)
- M72: 28,219,544 km (0.102 R)
- M73: 29,900,725 km (0.093 R)
- M74: 30,729,048 km (0.101 R)
- M75: 30,974,090 km (0.104 R)
- M76: 31,614,219 km (0.108 R)
- M77: 32,010,354 km (0.038 R)
- M78: 32,507,916 km (0.104 R)
- M79: 32,657,664 km (0.086 R)
- M80: 33,359,577 km (0.11 R)
Planet 7 - Ice Giant
Semi-Major Axis: 6.45 AU
Status: Outer (Cold)
Composition: Methane/Ammonia Ices
Physical Data
Mass: 318.5
Radius: 7.6
Gravity: 5.51 G
Time & Orbit
Eccentricity (e): 0.1
Orbit Range: 5.81 AU - 7.1 AU
Year: 10577 Days
Day: 21.8 Hours
Environment
Temp: -213 °C
Axial Tilt: 34.3 °
Atmosphere: Hâ‚‚, CHâ‚„
Biome: None
Satellites (72)
Outer Limit: 38,548,691 km
- M1: 100,829 km (0.112 R)
- M2: 265,087 km (0.101 R)
- M3: 314,604 km (0.085 R)
- M4: 425,456 km (0.067 R)
- M5: 822,040 km (0.049 R)
- M6: 1,047,484 km (0.101 R)
- M7: 1,220,419 km (0.118 R)
- M8: 1,365,679 km (0.081 R)
- M9: 1,478,326 km (0.093 R)
- M10: 2,001,919 km (0.078 R)
- M11: 2,108,881 km (0.114 R)
- M12: 2,239,779 km (0.049 R)
- M13: 2,625,143 km (0.053 R)
- M14: 2,982,383 km (0.112 R)
- M15: 3,179,254 km (0.106 R)
- M16: 3,663,801 km (0.059 R)
- M17: 4,089,707 km (0.037 R)
- M18: 4,447,246 km (0.115 R)
- M19: 4,872,403 km (0.114 R)
- M20: 5,046,235 km (0.077 R)
- M21: 5,133,900 km (0.1 R)
- M22: 5,192,542 km (0.083 R)
- M23: 5,281,104 km (0.092 R)
- M24: 6,162,086 km (0.089 R)
- M25: 6,990,260 km (0.112 R)
- M26: 7,088,097 km (0.103 R)
- M27: 7,517,293 km (0.097 R)
- M28: 7,954,717 km (0.104 R)
- M29: 8,056,893 km (0.119 R)
- M30: 9,173,491 km (0.073 R)
- M31: 9,895,750 km (0.106 R)
- M32: 10,079,157 km (0.039 R)
- M33: 10,300,861 km (0.081 R)
- M34: 11,279,679 km (0.106 R)
- M35: 11,471,314 km (0.084 R)
- M36: 11,896,621 km (0.115 R)
- M37: 11,974,562 km (0.057 R)
- M38: 12,406,002 km (0.094 R)
- M39: 13,690,150 km (0.068 R)
- M40: 14,058,909 km (0.106 R)
- M41: 15,269,155 km (0.059 R)
- M42: 15,353,828 km (0.072 R)
- M43: 15,694,163 km (0.027 R)
- M44: 16,037,041 km (0.108 R)
- M45: 16,295,696 km (0.096 R)
- M46: 16,599,380 km (0.048 R)
- M47: 18,100,594 km (0.082 R)
- M48: 18,867,433 km (0.106 R)
- M49: 19,460,888 km (0.117 R)
- M50: 21,657,433 km (0.056 R)
- M51: 22,278,713 km (0.105 R)
- M52: 23,197,244 km (0.104 R)
- M53: 24,078,824 km (0.119 R)
- M54: 26,228,995 km (0.113 R)
- M55: 26,993,290 km (0.061 R)
- M56: 27,868,438 km (0.117 R)
- M57: 27,971,959 km (0.057 R)
- M58: 28,648,291 km (0.116 R)
- M59: 30,123,326 km (0.111 R)
- M60: 30,176,434 km (0.048 R)
- M61: 31,245,610 km (0.105 R)
- M62: 31,893,069 km (0.073 R)
- M63: 32,599,470 km (0.115 R)
- M64: 32,817,883 km (0.065 R)
- M65: 33,917,128 km (0.086 R)
- M66: 34,360,237 km (0.037 R)
- M67: 35,196,190 km (0.117 R)
- M68: 35,813,431 km (0.114 R)
- M69: 36,095,273 km (0.067 R)
- M70: 37,400,814 km (0.116 R)
- M71: 37,629,549 km (0.072 R)
- M72: 38,375,743 km (0.081 R)
Kuiper Belt
Range: 30 - 50 AU
Composition
Type: Dwarf Planets/TNOs (Ices)
Reservoir of dwarf planets and volatile ices.
Outer System
Oort Cloud
Range: 276 - 12,645 AU
Composition
Type: Cometary Reservoir
System's final boundary, containing trillions of icy planetesimals.