Star System Generated (Seed: 1766164839)
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 (7 Planets)
Asteroid Belt
Center: 0.41 AU
Composition
Type: Inner System (Rocky)
A dense region of planetesimals and debris.
Boundary
Planet 1 - Gas Giant
Semi-Major Axis: 0.82 AU
Status: Outer (Cold)
Composition: Hydrogen/Helium Atmosphere
Physical Data
Mass: 319
Radius: 13.2
Gravity: 1.83 G
Time & Orbit
Eccentricity (e): 0.023
Orbit Range: 0.8 AU - 0.84 AU
Year: 522 Days
Day: 12.3 Hours
Environment
Temp: -166 °C
Axial Tilt: 19.4 °
Atmosphere: Hâ‚‚, CHâ‚„
Biome: None
Satellites (37)
Outer Limit: 40,533,878 km
- M1: 167,101 km (0.117 R)
- M2: 263,292 km (0.101 R)
- M3: 347,516 km (0.105 R)
- M4: 435,928 km (0.086 R)
- M5: 544,686 km (0.12 R)
- M6: 633,996 km (0.075 R)
- M7: 722,109 km (0.029 R)
- M8: 811,269 km (0.113 R)
- M9: 981,512 km (0.106 R)
- M10: 1,182,422 km (0.085 R)
- M11: 1,318,107 km (0.1 R)
- M12: 1,478,476 km (0.098 R)
- M13: 1,600,847 km (0.093 R)
- M14: 1,691,204 km (0.086 R)
- M15: 1,783,207 km (0.081 R)
- M16: 1,946,119 km (0.102 R)
- M17: 2,059,215 km (0.083 R)
- M18: 2,185,924 km (0.071 R)
- M19: 2,383,692 km (0.1 R)
- M20: 2,522,968 km (0.072 R)
- M21: 2,658,953 km (0.068 R)
- M22: 2,852,233 km (0.092 R)
- M23: 2,938,401 km (0.117 R)
- M24: 3,304,617 km (0.039 R)
- M25: 3,427,886 km (0.099 R)
- M26: 3,579,129 km (0.056 R)
- M27: 3,672,329 km (0.082 R)
- M28: 3,834,044 km (0.109 R)
- M29: 4,046,473 km (0.105 R)
- M30: 4,136,680 km (0.067 R)
- M31: 4,298,096 km (0.101 R)
- M32: 4,461,607 km (0.111 R)
- M33: 4,598,339 km (0.106 R)
- M34: 4,707,097 km (0.115 R)
- M35: 4,831,562 km (0.114 R)
- M36: 5,009,285 km (0.082 R)
- M37: 5,106,374 km (0.069 R)
Planet 2 - Gas Giant
Semi-Major Axis: 0.84 AU
Status: Outer (Cold)
Composition: Hydrogen/Helium Atmosphere
Physical Data
Mass: 483.3
Radius: 11.2
Gravity: 3.85 G
Time & Orbit
Eccentricity (e): 0.204
Orbit Range: 0.67 AU - 1.01 AU
Year: 541 Days
Day: 7.1 Hours
Environment
Temp: -174 °C
Axial Tilt: 35.4 °
Atmosphere: Hâ‚‚, CHâ‚„
Biome: None
Satellites (43)
Outer Limit: 40,533,878 km
- M1: 153,637 km (0.038 R)
- M2: 242,797 km (0.085 R)
- M3: 339,438 km (0.075 R)
- M4: 415,732 km (0.099 R)
- M5: 602,431 km (0.093 R)
- M6: 705,204 km (0.053 R)
- M7: 788,830 km (0.073 R)
- M8: 867,219 km (0.084 R)
- M9: 962,363 km (0.117 R)
- M10: 1,032,674 km (0.111 R)
- M11: 1,159,084 km (0.071 R)
- M12: 1,327,232 km (0.049 R)
- M13: 1,603,540 km (0.08 R)
- M14: 1,745,807 km (0.116 R)
- M15: 1,856,809 km (0.09 R)
- M16: 2,018,823 km (0.078 R)
- M17: 2,173,059 km (0.071 R)
- M18: 2,369,929 km (0.113 R)
- M19: 2,447,720 km (0.099 R)
- M20: 2,552,738 km (0.08 R)
- M21: 2,626,041 km (0.113 R)
- M22: 2,726,870 km (0.115 R)
- M23: 3,072,890 km (0.064 R)
- M24: 3,158,011 km (0.038 R)
- M25: 3,301,775 km (0.077 R)
- M26: 3,529,014 km (0.114 R)
- M27: 3,640,763 km (0.102 R)
- M28: 3,814,447 km (0.107 R)
- M29: 4,115,437 km (0.087 R)
- M30: 4,185,898 km (0.114 R)
- M31: 4,264,886 km (0.058 R)
- M32: 4,392,044 km (0.069 R)
- M33: 4,504,541 km (0.05 R)
- M34: 4,642,321 km (0.112 R)
- M35: 4,773,219 km (0.081 R)
- M36: 4,980,412 km (0.117 R)
- M37: 5,165,166 km (0.117 R)
- M38: 5,275,569 km (0.066 R)
- M39: 5,352,313 km (0.118 R)
- M40: 5,533,027 km (0.071 R)
- M41: 5,628,470 km (0.074 R)
- M42: 5,927,068 km (0.075 R)
- M43: 5,997,977 km (0.092 R)
Planet 3 - Gas Giant
Semi-Major Axis: 1.05 AU
Status: Outer (Cold)
Composition: Hydrogen/Helium Atmosphere
Physical Data
Mass: 454.1
Radius: 13.5
Gravity: 2.49 G
Time & Orbit
Eccentricity (e): 0.235
Orbit Range: 0.8 AU - 1.3 AU
Year: 756 Days
Day: 9.2 Hours
Environment
Temp: -183 °C
Axial Tilt: 1.1 °
Atmosphere: Hâ‚‚, CHâ‚„
Biome: None
Satellites (48)
Outer Limit: 40,533,878 km
- M1: 181,313 km (0.063 R)
- M2: 342,579 km (0.06 R)
- M3: 502,499 km (0.061 R)
- M4: 644,318 km (0.091 R)
- M5: 763,548 km (0.053 R)
- M6: 891,155 km (0.099 R)
- M7: 1,064,838 km (0.094 R)
- M8: 1,198,728 km (0.119 R)
- M9: 1,344,586 km (0.084 R)
- M10: 1,478,177 km (0.063 R)
- M11: 1,584,541 km (0.035 R)
- M12: 1,812,378 km (0.103 R)
- M13: 1,913,357 km (0.097 R)
- M14: 2,093,173 km (0.105 R)
- M15: 2,177,995 km (0.058 R)
- M16: 2,300,366 km (0.056 R)
- M17: 2,425,131 km (0.093 R)
- M18: 2,712,509 km (0.088 R)
- M19: 2,805,558 km (0.103 R)
- M20: 2,979,092 km (0.11 R)
- M21: 3,148,138 km (0.074 R)
- M22: 3,295,641 km (0.055 R)
- M23: 3,403,651 km (0.044 R)
- M24: 3,495,953 km (0.069 R)
- M25: 3,597,679 km (0.106 R)
- M26: 3,778,094 km (0.101 R)
- M27: 3,979,303 km (0.036 R)
- M28: 4,237,958 km (0.08 R)
- M29: 4,346,566 km (0.089 R)
- M30: 4,650,399 km (0.067 R)
- M31: 4,932,691 km (0.099 R)
- M32: 5,047,133 km (0.109 R)
- M33: 5,269,136 km (0.057 R)
- M34: 5,366,674 km (0.114 R)
- M35: 5,494,431 km (0.108 R)
- M36: 5,603,338 km (0.091 R)
- M37: 5,692,947 km (0.117 R)
- M38: 5,853,465 km (0.095 R)
- M39: 5,984,962 km (0.043 R)
- M40: 6,117,506 km (0.08 R)
- M41: 6,458,439 km (0.076 R)
- M42: 6,594,424 km (0.064 R)
- M43: 6,731,455 km (0.085 R)
- M44: 6,816,277 km (0.104 R)
- M45: 7,008,361 km (0.033 R)
- M46: 7,191,469 km (0.095 R)
- M47: 7,278,086 km (0.111 R)
- M48: 7,386,993 km (0.118 R)
Planet 4 - Gas Giant
Semi-Major Axis: 1.53 AU
Status: Outer (Cold)
Composition: Hydrogen/Helium Atmosphere
Physical Data
Mass: 268.9
Radius: 10
Gravity: 2.69 G
Time & Orbit
Eccentricity (e): 0.058
Orbit Range: 1.44 AU - 1.62 AU
Year: 1330 Days
Day: 12.7 Hours
Environment
Temp: -186 °C
Axial Tilt: 5.5 °
Atmosphere: Hâ‚‚, CHâ‚„
Biome: None
Satellites (55)
Outer Limit: 40,533,878 km
- M1: 137,780 km (0.116 R)
- M2: 409,599 km (0.082 R)
- M3: 485,445 km (0.065 R)
- M4: 561,890 km (0.106 R)
- M5: 627,713 km (0.042 R)
- M6: 728,990 km (0.12 R)
- M7: 824,883 km (0.072 R)
- M8: 913,145 km (0.094 R)
- M9: 986,299 km (0.102 R)
- M10: 1,252,134 km (0.095 R)
- M11: 1,643,931 km (0.087 R)
- M12: 1,726,958 km (0.095 R)
- M13: 1,865,785 km (0.111 R)
- M14: 2,171,263 km (0.113 R)
- M15: 2,372,473 km (0.11 R)
- M16: 2,475,546 km (0.084 R)
- M17: 2,703,832 km (0.086 R)
- M18: 2,802,417 km (0.113 R)
- M19: 3,209,323 km (0.084 R)
- M20: 3,285,319 km (0.112 R)
- M21: 3,774,205 km (0.059 R)
- M22: 3,935,471 km (0.088 R)
- M23: 4,047,670 km (0.051 R)
- M24: 4,192,032 km (0.073 R)
- M25: 4,327,717 km (0.085 R)
- M26: 4,454,277 km (0.108 R)
- M27: 4,549,870 km (0.086 R)
- M28: 4,754,220 km (0.053 R)
- M29: 4,862,978 km (0.093 R)
- M30: 4,950,642 km (0.11 R)
- M31: 5,060,896 km (0.06 R)
- M32: 5,138,537 km (0.088 R)
- M33: 5,227,847 km (0.077 R)
- M34: 5,340,195 km (0.118 R)
- M35: 5,476,030 km (0.079 R)
- M36: 5,658,988 km (0.107 R)
- M37: 6,125,285 km (0.101 R)
- M38: 6,208,162 km (0.061 R)
- M39: 6,279,520 km (0.07 R)
- M40: 6,495,240 km (0.086 R)
- M41: 6,616,115 km (0.117 R)
- M42: 6,701,087 km (0.035 R)
- M43: 6,847,843 km (0.1 R)
- M44: 7,020,329 km (0.087 R)
- M45: 7,219,294 km (0.075 R)
- M46: 7,635,326 km (0.065 R)
- M47: 7,750,217 km (0.116 R)
- M48: 8,033,406 km (0.092 R)
- M49: 8,320,185 km (0.039 R)
- M50: 8,451,532 km (0.034 R)
- M51: 8,610,105 km (0.109 R)
- M52: 8,703,155 km (0.079 R)
- M53: 8,769,726 km (0.092 R)
- M54: 8,890,153 km (0.094 R)
- M55: 8,957,173 km (0.056 R)
Planet 5 - Gas Giant
Semi-Major Axis: 2.23 AU
Status: Outer (Cold)
Composition: Hydrogen/Helium Atmosphere
Physical Data
Mass: 705.1
Radius: 12.8
Gravity: 4.3 G
Time & Orbit
Eccentricity (e): 0.104
Orbit Range: 2 AU - 2.46 AU
Year: 2341 Days
Day: 13 Hours
Environment
Temp: -195 °C
Axial Tilt: 1.2 °
Atmosphere: Hâ‚‚, CHâ‚„
Biome: None
Satellites (65)
Outer Limit: 40,533,878 km
- M1: 165,605 km (0.099 R)
- M2: 253,868 km (0.094 R)
- M3: 344,823 km (0.06 R)
- M4: 468,241 km (0.098 R)
- M5: 651,200 km (0.091 R)
- M6: 806,033 km (0.056 R)
- M7: 897,886 km (0.08 R)
- M8: 1,043,146 km (0.111 R)
- M9: 1,154,896 km (0.112 R)
- M10: 1,447,808 km (0.097 R)
- M11: 1,621,043 km (0.114 R)
- M12: 1,704,219 km (0.079 R)
- M13: 1,875,359 km (0.059 R)
- M14: 1,963,173 km (0.043 R)
- M15: 2,065,348 km (0.116 R)
- M16: 2,248,456 km (0.066 R)
- M17: 2,478,238 km (0.1 R)
- M18: 2,589,090 km (0.094 R)
- M19: 2,701,588 km (0.058 R)
- M20: 2,830,242 km (0.114 R)
- M21: 3,289,208 km (0.059 R)
- M22: 3,396,171 km (0.12 R)
- M23: 3,488,922 km (0.094 R)
- M24: 4,046,323 km (0.09 R)
- M25: 4,177,670 km (0.092 R)
- M26: 4,394,288 km (0.105 R)
- M27: 4,631,700 km (0.11 R)
- M28: 4,734,773 km (0.071 R)
- M29: 5,172,496 km (0.083 R)
- M30: 5,315,512 km (0.112 R)
- M31: 5,477,825 km (0.097 R)
- M32: 5,715,237 km (0.062 R)
- M33: 6,049,738 km (0.059 R)
- M34: 6,602,053 km (0.077 R)
- M35: 6,953,010 km (0.093 R)
- M36: 7,091,238 km (0.101 R)
- M37: 7,290,203 km (0.04 R)
- M38: 8,042,531 km (0.12 R)
- M39: 8,250,173 km (0.107 R)
- M40: 8,396,629 km (0.037 R)
- M41: 8,649,599 km (0.117 R)
- M42: 8,819,692 km (0.075 R)
- M43: 9,315,011 km (0.111 R)
- M44: 9,576,956 km (0.1 R)
- M45: 10,265,107 km (0.079 R)
- M46: 10,740,379 km (0.075 R)
- M47: 11,408,483 km (0.102 R)
- M48: 11,806,563 km (0.094 R)
- M49: 12,018,992 km (0.11 R)
- M50: 12,185,195 km (0.116 R)
- M51: 12,423,954 km (0.119 R)
- M52: 12,712,528 km (0.069 R)
- M53: 13,222,956 km (0.05 R)
- M54: 13,419,228 km (0.086 R)
- M55: 13,665,765 km (0.094 R)
- M56: 14,113,512 km (0.105 R)
- M57: 14,641,892 km (0.105 R)
- M58: 15,356,670 km (0.081 R)
- M59: 15,537,085 km (0.052 R)
- M60: 15,848,099 km (0.037 R)
- M61: 16,713,972 km (0.035 R)
- M62: 17,032,765 km (0.073 R)
- M63: 17,784,195 km (0.109 R)
- M64: 18,109,570 km (0.093 R)
- M65: 18,300,308 km (0.108 R)
Planet 6 - Gas Giant
Semi-Major Axis: 4.56 AU
Status: Outer (Cold)
Composition: Hydrogen/Helium Atmosphere
Physical Data
Mass: 422.9
Radius: 11.4
Gravity: 3.25 G
Time & Orbit
Eccentricity (e): 0.199
Orbit Range: 3.65 AU - 5.47 AU
Year: 6845 Days
Day: 10 Hours
Environment
Temp: -232 °C
Axial Tilt: 22.6 °
Atmosphere: Hâ‚‚, CHâ‚„
Biome: None
Satellites (83)
Outer Limit: 40,533,878 km
- M1: 183,257 km (0.11 R)
- M2: 314,006 km (0.109 R)
- M3: 473,627 km (0.082 R)
- M4: 701,315 km (0.105 R)
- M5: 1,184,965 km (0.101 R)
- M6: 1,356,404 km (0.096 R)
- M7: 1,437,187 km (0.086 R)
- M8: 1,620,893 km (0.053 R)
- M9: 1,848,282 km (0.049 R)
- M10: 1,956,740 km (0.066 R)
- M11: 2,048,892 km (0.104 R)
- M12: 2,531,645 km (0.101 R)
- M13: 2,817,526 km (0.055 R)
- M14: 3,113,880 km (0.092 R)
- M15: 3,805,919 km (0.112 R)
- M16: 4,110,201 km (0.085 R)
- M17: 4,544,634 km (0.115 R)
- M18: 5,121,184 km (0.082 R)
- M19: 5,275,419 km (0.084 R)
- M20: 5,720,922 km (0.111 R)
- M21: 5,800,807 km (0.057 R)
- M22: 6,205,918 km (0.042 R)
- M23: 6,425,827 km (0.099 R)
- M24: 6,536,679 km (0.108 R)
- M25: 6,648,279 km (0.091 R)
- M26: 7,186,682 km (0.081 R)
- M27: 7,301,872 km (0.061 R)
- M28: 7,417,661 km (0.114 R)
- M29: 7,680,504 km (0.102 R)
- M30: 8,215,317 km (0.073 R)
- M31: 8,487,286 km (0.102 R)
- M32: 9,258,313 km (0.073 R)
- M33: 9,383,676 km (0.101 R)
- M34: 10,019,467 km (0.111 R)
- M35: 10,116,107 km (0.091 R)
- M36: 10,342,598 km (0.116 R)
- M37: 10,866,789 km (0.114 R)
- M38: 11,737,150 km (0.12 R)
- M39: 11,975,160 km (0.102 R)
- M40: 12,560,237 km (0.077 R)
- M41: 12,699,214 km (0.104 R)
- M42: 12,978,812 km (0.068 R)
- M43: 13,260,355 km (0.11 R)
- M44: 13,402,024 km (0.082 R)
- M45: 14,189,657 km (0.075 R)
- M46: 14,298,116 km (0.079 R)
- M47: 14,370,671 km (0.089 R)
- M48: 14,589,084 km (0.088 R)
- M49: 15,473,357 km (0.033 R)
- M50: 16,489,126 km (0.081 R)
- M51: 16,794,156 km (0.049 R)
- M52: 17,024,238 km (0.083 R)
- M53: 17,409,901 km (0.115 R)
- M54: 17,565,034 km (0.03 R)
- M55: 17,681,571 km (0.045 R)
- M56: 17,915,691 km (0.096 R)
- M57: 18,111,515 km (0.116 R)
- M58: 18,981,576 km (0.094 R)
- M59: 19,181,140 km (0.073 R)
- M60: 19,743,927 km (0.104 R)
- M61: 20,027,265 km (0.116 R)
- M62: 20,475,311 km (0.096 R)
- M63: 20,885,658 km (0.099 R)
- M64: 22,595,711 km (0.119 R)
- M65: 23,062,157 km (0.087 R)
- M66: 23,446,175 km (0.105 R)
- M67: 23,660,549 km (0.1 R)
- M68: 23,789,353 km (0.092 R)
- M69: 23,961,540 km (0.112 R)
- M70: 24,134,176 km (0.056 R)
- M71: 24,654,477 km (0.104 R)
- M72: 24,915,974 km (0.096 R)
- M73: 25,882,975 km (0.064 R)
- M74: 26,059,949 km (0.119 R)
- M75: 26,237,522 km (0.116 R)
- M76: 26,504,554 km (0.117 R)
- M77: 26,996,432 km (0.097 R)
- M78: 27,491,451 km (0.042 R)
- M79: 27,626,987 km (0.104 R)
- M80: 27,717,344 km (0.111 R)
- M81: 28,262,179 km (0.11 R)
- M82: 28,353,434 km (0.09 R)
- M83: 29,500,999 km (0.119 R)
Planet 7 - Gas Giant
Semi-Major Axis: 4.6 AU
Status: Outer (Cold)
Composition: Hydrogen/Helium Atmosphere
Physical Data
Mass: 861.3
Radius: 10.2
Gravity: 8.28 G
Time & Orbit
Eccentricity (e): 0.167
Orbit Range: 3.83 AU - 5.37 AU
Year: 6935 Days
Day: 12.3 Hours
Environment
Temp: -222 °C
Axial Tilt: 3.1 °
Atmosphere: Hâ‚‚, CHâ‚„
Biome: None
Satellites (82)
Outer Limit: 40,533,878 km
- M1: 296,204 km (0.106 R)
- M2: 414,386 km (0.119 R)
- M3: 487,091 km (0.105 R)
- M4: 1,007,093 km (0.109 R)
- M5: 1,641,388 km (0.113 R)
- M6: 1,806,544 km (0.084 R)
- M7: 1,891,216 km (0.118 R)
- M8: 1,999,076 km (0.027 R)
- M9: 2,175,901 km (0.056 R)
- M10: 2,266,258 km (0.07 R)
- M11: 2,427,525 km (0.116 R)
- M12: 2,545,109 km (0.08 R)
- M13: 2,664,488 km (0.117 R)
- M14: 3,264,226 km (0.097 R)
- M15: 3,342,166 km (0.101 R)
- M16: 3,579,578 km (0.116 R)
- M17: 3,795,298 km (0.096 R)
- M18: 4,239,753 km (0.096 R)
- M19: 4,642,172 km (0.105 R)
- M20: 4,877,788 km (0.059 R)
- M21: 5,057,006 km (0.072 R)
- M22: 5,238,469 km (0.114 R)
- M23: 5,483,809 km (0.094 R)
- M24: 6,568,244 km (0.059 R)
- M25: 6,634,067 km (0.088 R)
- M26: 6,700,189 km (0.102 R)
- M27: 6,766,461 km (0.079 R)
- M28: 7,372,781 km (0.11 R)
- M29: 7,613,335 km (0.114 R)
- M30: 7,717,305 km (0.109 R)
- M31: 9,147,311 km (0.083 R)
- M32: 9,368,866 km (0.076 R)
- M33: 9,779,512 km (0.11 R)
- M34: 10,234,290 km (0.077 R)
- M35: 10,387,478 km (0.116 R)
- M36: 10,464,371 km (0.09 R)
- M37: 10,968,516 km (0.095 R)
- M38: 11,679,704 km (0.065 R)
- M39: 11,839,774 km (0.065 R)
- M40: 12,898,179 km (0.09 R)
- M41: 13,063,634 km (0.079 R)
- M42: 13,606,375 km (0.115 R)
- M43: 13,944,018 km (0.089 R)
- M44: 14,028,840 km (0.043 R)
- M45: 14,241,867 km (0.054 R)
- M46: 14,627,680 km (0.073 R)
- M47: 15,278,580 km (0.117 R)
- M48: 15,366,095 km (0.117 R)
- M49: 15,453,759 km (0.079 R)
- M50: 15,983,186 km (0.1 R)
- M51: 17,515,667 km (0.118 R)
- M52: 17,653,147 km (0.119 R)
- M53: 17,882,929 km (0.068 R)
- M54: 19,805,412 km (0.105 R)
- M55: 19,900,855 km (0.11 R)
- M56: 20,092,191 km (0.087 R)
- M57: 21,595,949 km (0.106 R)
- M58: 24,096,627 km (0.079 R)
- M59: 24,249,516 km (0.091 R)
- M60: 24,454,016 km (0.108 R)
- M61: 24,556,490 km (0.118 R)
- M62: 24,864,512 km (0.084 R)
- M63: 25,588,566 km (0.069 R)
- M64: 25,744,597 km (0.072 R)
- M65: 26,372,010 km (0.115 R)
- M66: 27,428,770 km (0.069 R)
- M67: 27,801,867 km (0.094 R)
- M68: 29,856,743 km (0.07 R)
- M69: 31,068,635 km (0.068 R)
- M70: 31,235,138 km (0.056 R)
- M71: 32,240,436 km (0.087 R)
- M72: 33,142,810 km (0.111 R)
- M73: 33,711,132 km (0.111 R)
- M74: 33,939,269 km (0.115 R)
- M75: 34,454,634 km (0.095 R)
- M76: 36,541,823 km (0.079 R)
- M77: 37,069,904 km (0.075 R)
- M78: 37,896,581 km (0.111 R)
- M79: 38,312,164 km (0.112 R)
- M80: 38,669,554 km (0.12 R)
- M81: 39,507,900 km (0.058 R)
- M82: 39,688,315 km (0.047 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: 160 - 10,545 AU
Composition
Type: Cometary Reservoir
System's final boundary, containing trillions of icy planetesimals.