Star System Generated (Seed: 1768759703)
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 (8 Planets)
Planet 1 - Gas Giant
Semi-Major Axis: 0.5 AU
Status: Outer (Cold)
Composition: Hydrogen/Helium Atmosphere
Physical Data
Mass: 401.9
Radius: 11.3
Gravity: 3.15 G
Time & Orbit
Eccentricity (e): 0.216
Orbit Range: 0.39 AU - 0.61 AU
Year: 249 Days
Day: 12.9 Hours
Environment
Temp: -133 °C
Axial Tilt: 43.5 °
Atmosphere: Hâ‚‚, CHâ‚„
Biome: None
Satellites (30)
Outer Limit: 45,883,816 km
- M1: 141,370 km (0.084 R)
- M2: 223,200 km (0.09 R)
- M3: 338,540 km (0.086 R)
- M4: 411,843 km (0.087 R)
- M5: 504,294 km (0.105 R)
- M6: 618,288 km (0.062 R)
- M7: 714,330 km (0.091 R)
- M8: 819,048 km (0.114 R)
- M9: 899,083 km (0.099 R)
- M10: 1,048,382 km (0.107 R)
- M11: 1,133,054 km (0.055 R)
- M12: 1,226,852 km (0.068 R)
- M13: 1,299,108 km (0.115 R)
- M14: 1,415,645 km (0.079 R)
- M15: 1,550,732 km (0.062 R)
- M16: 1,728,603 km (0.078 R)
- M17: 1,925,474 km (0.1 R)
- M18: 2,034,980 km (0.115 R)
- M19: 2,117,408 km (0.112 R)
- M20: 2,226,465 km (0.111 R)
- M21: 2,341,655 km (0.1 R)
- M22: 2,454,452 km (0.047 R)
- M23: 2,529,251 km (0.113 R)
- M24: 2,600,460 km (0.111 R)
- M25: 2,685,731 km (0.101 R)
- M26: 2,822,463 km (0.055 R)
- M27: 2,905,789 km (0.097 R)
- M28: 3,046,261 km (0.108 R)
- M29: 3,213,063 km (0.076 R)
- M30: 3,334,088 km (0.064 R)
Planet 2 - Gas Giant
Semi-Major Axis: 0.59 AU
Status: Outer (Cold)
Composition: Hydrogen/Helium Atmosphere
Physical Data
Mass: 80.8
Radius: 10
Gravity: 0.81 G
Time & Orbit
Eccentricity (e): 0.193
Orbit Range: 0.48 AU - 0.7 AU
Year: 319 Days
Day: 12.9 Hours
Environment
Temp: -142 °C
Axial Tilt: 31.5 °
Atmosphere: Hâ‚‚, CHâ‚„
Biome: None
Satellites (22)
Outer Limit: 45,883,816 km
- M1: 124,914 km (0.056 R)
- M2: 190,887 km (0.119 R)
- M3: 259,552 km (0.03 R)
- M4: 356,941 km (0.086 R)
- M5: 441,763 km (0.113 R)
- M6: 607,816 km (0.108 R)
- M7: 703,260 km (0.067 R)
- M8: 804,388 km (0.035 R)
- M9: 956,230 km (0.08 R)
- M10: 1,019,809 km (0.086 R)
- M11: 1,092,513 km (0.114 R)
- M12: 1,219,522 km (0.086 R)
- M13: 1,316,162 km (0.061 R)
- M14: 1,379,292 km (0.088 R)
- M15: 1,443,470 km (0.06 R)
- M16: 1,520,214 km (0.086 R)
- M17: 1,776,924 km (0.09 R)
- M18: 1,859,651 km (0.102 R)
- M19: 2,041,562 km (0.102 R)
- M20: 2,173,657 km (0.075 R)
- M21: 2,249,054 km (0.112 R)
- M22: 2,345,545 km (0.058 R)
Planet 3 - Gas Giant
Semi-Major Axis: 0.91 AU
Status: Outer (Cold)
Composition: Hydrogen/Helium Atmosphere
Physical Data
Mass: 723.2
Radius: 8.6
Gravity: 9.78 G
Time & Orbit
Eccentricity (e): 0.117
Orbit Range: 0.8 AU - 1.02 AU
Year: 610 Days
Day: 12.1 Hours
Environment
Temp: -162 °C
Axial Tilt: 21.8 °
Atmosphere: Hâ‚‚, CHâ‚„
Biome: None
Satellites (58)
Outer Limit: 45,883,816 km
- M1: 143,764 km (0.109 R)
- M2: 208,390 km (0.075 R)
- M3: 379,081 km (0.113 R)
- M4: 436,527 km (0.114 R)
- M5: 518,805 km (0.075 R)
- M6: 729,439 km (0.06 R)
- M7: 850,464 km (0.072 R)
- M8: 908,209 km (0.097 R)
- M9: 978,370 km (0.118 R)
- M10: 1,089,970 km (0.108 R)
- M11: 1,153,250 km (0.071 R)
- M12: 1,241,662 km (0.107 R)
- M13: 1,326,335 km (0.096 R)
- M14: 1,400,386 km (0.113 R)
- M15: 1,552,975 km (0.115 R)
- M16: 1,611,618 km (0.098 R)
- M17: 1,684,472 km (0.114 R)
- M18: 1,738,028 km (0.109 R)
- M19: 1,965,417 km (0.081 R)
- M20: 2,043,357 km (0.079 R)
- M21: 2,231,851 km (0.113 R)
- M22: 2,403,439 km (0.084 R)
- M23: 2,494,694 km (0.073 R)
- M24: 2,556,179 km (0.111 R)
- M25: 2,610,333 km (0.103 R)
- M26: 2,680,644 km (0.07 R)
- M27: 2,775,489 km (0.076 R)
- M28: 2,847,296 km (0.107 R)
- M29: 2,911,623 km (0.079 R)
- M30: 3,316,435 km (0.107 R)
- M31: 3,452,420 km (0.107 R)
- M32: 3,564,468 km (0.109 R)
- M33: 3,765,528 km (0.081 R)
- M34: 3,907,496 km (0.073 R)
- M35: 3,961,202 km (0.042 R)
- M36: 4,015,207 km (0.077 R)
- M37: 4,105,863 km (0.071 R)
- M38: 4,381,572 km (0.076 R)
- M39: 4,446,797 km (0.114 R)
- M40: 4,578,144 km (0.117 R)
- M41: 4,720,411 km (0.071 R)
- M42: 4,883,323 km (0.093 R)
- M43: 5,116,696 km (0.046 R)
- M44: 5,423,372 km (0.073 R)
- M45: 5,493,533 km (0.047 R)
- M46: 5,584,189 km (0.095 R)
- M47: 5,736,181 km (0.063 R)
- M48: 5,838,356 km (0.063 R)
- M49: 5,941,130 km (0.091 R)
- M50: 6,034,180 km (0.091 R)
- M51: 6,253,041 km (0.11 R)
- M52: 6,463,974 km (0.083 R)
- M53: 6,538,474 km (0.098 R)
- M54: 6,979,937 km (0.109 R)
- M55: 7,088,994 km (0.084 R)
- M56: 7,375,474 km (0.107 R)
- M57: 7,486,775 km (0.118 R)
- M58: 7,542,575 km (0.111 R)
Planet 4 - Gas Giant
Semi-Major Axis: 1.02 AU
Status: Outer (Cold)
Composition: Hydrogen/Helium Atmosphere
Physical Data
Mass: 182
Radius: 13.5
Gravity: 1 G
Time & Orbit
Eccentricity (e): 0.085
Orbit Range: 0.93 AU - 1.11 AU
Year: 724 Days
Day: 7.7 Hours
Environment
Temp: -186 °C
Axial Tilt: 33.7 °
Atmosphere: Hâ‚‚, CHâ‚„
Biome: None
Satellites (31)
Outer Limit: 45,883,816 km
- M1: 194,776 km (0.093 R)
- M2: 346,917 km (0.096 R)
- M3: 448,345 km (0.038 R)
- M4: 557,252 km (0.076 R)
- M5: 649,255 km (0.111 R)
- M6: 743,651 km (0.104 R)
- M7: 839,543 km (0.114 R)
- M8: 952,639 km (0.111 R)
- M9: 1,146,518 km (0.116 R)
- M10: 1,325,437 km (0.119 R)
- M11: 1,440,627 km (0.07 R)
- M12: 1,554,172 km (0.046 R)
- M13: 1,748,949 km (0.114 R)
- M14: 2,151,816 km (0.086 R)
- M15: 2,393,566 km (0.032 R)
- M16: 2,511,898 km (0.101 R)
- M17: 2,656,709 km (0.119 R)
- M18: 2,791,795 km (0.119 R)
- M19: 2,923,142 km (0.078 R)
- M20: 3,030,853 km (0.105 R)
- M21: 3,342,615 km (0.119 R)
- M22: 3,468,875 km (0.081 R)
- M23: 3,767,622 km (0.104 R)
- M24: 3,997,255 km (0.07 R)
- M25: 4,103,170 km (0.105 R)
- M26: 4,303,482 km (0.076 R)
- M27: 4,404,909 km (0.106 R)
- M28: 4,676,878 km (0.106 R)
- M29: 4,773,668 km (0.103 R)
- M30: 5,068,376 km (0.089 R)
- M31: 5,322,393 km (0.068 R)
Planet 5 - Gas Giant
Semi-Major Axis: 2.46 AU
Status: Outer (Cold)
Composition: Hydrogen/Helium Atmosphere
Physical Data
Mass: 662.2
Radius: 12.9
Gravity: 3.98 G
Time & Orbit
Eccentricity (e): 0.138
Orbit Range: 2.12 AU - 2.8 AU
Year: 2712 Days
Day: 13.1 Hours
Environment
Temp: -203 °C
Axial Tilt: 13.9 °
Atmosphere: Hâ‚‚, CHâ‚„
Biome: None
Satellites (62)
Outer Limit: 45,883,816 km
- M1: 177,273 km (0.084 R)
- M2: 289,472 km (0.118 R)
- M3: 494,421 km (0.062 R)
- M4: 648,507 km (0.051 R)
- M5: 999,763 km (0.089 R)
- M6: 1,192,295 km (0.096 R)
- M7: 1,516,773 km (0.107 R)
- M8: 1,922,183 km (0.107 R)
- M9: 2,028,996 km (0.047 R)
- M10: 3,047,608 km (0.107 R)
- M11: 3,157,413 km (0.101 R)
- M12: 3,478,300 km (0.045 R)
- M13: 3,642,858 km (0.077 R)
- M14: 4,239,155 km (0.117 R)
- M15: 4,362,124 km (0.115 R)
- M16: 4,575,750 km (0.048 R)
- M17: 4,665,808 km (0.112 R)
- M18: 4,774,566 km (0.104 R)
- M19: 5,087,674 km (0.116 R)
- M20: 5,237,272 km (0.087 R)
- M21: 5,579,552 km (0.095 R)
- M22: 5,733,937 km (0.1 R)
- M23: 5,850,773 km (0.048 R)
- M24: 6,205,918 km (0.091 R)
- M25: 6,305,849 km (0.118 R)
- M26: 6,446,621 km (0.092 R)
- M27: 6,793,090 km (0.094 R)
- M28: 7,041,273 km (0.084 R)
- M29: 7,229,317 km (0.09 R)
- M30: 7,674,820 km (0.066 R)
- M31: 8,238,804 km (0.039 R)
- M32: 8,326,767 km (0.082 R)
- M33: 8,525,882 km (0.11 R)
- M34: 8,906,309 km (0.062 R)
- M35: 8,996,666 km (0.045 R)
- M36: 9,155,390 km (0.071 R)
- M37: 10,482,921 km (0.058 R)
- M38: 10,770,149 km (0.066 R)
- M39: 11,352,384 km (0.12 R)
- M40: 11,894,975 km (0.046 R)
- M41: 12,597,936 km (0.107 R)
- M42: 12,750,376 km (0.047 R)
- M43: 13,392,001 km (0.062 R)
- M44: 13,677,584 km (0.088 R)
- M45: 13,782,003 km (0.093 R)
- M46: 14,467,012 km (0.103 R)
- M47: 14,653,261 km (0.102 R)
- M48: 15,001,375 km (0.035 R)
- M49: 15,136,013 km (0.1 R)
- M50: 15,217,095 km (0.11 R)
- M51: 15,325,255 km (0.084 R)
- M52: 15,733,208 km (0.082 R)
- M53: 15,870,090 km (0.057 R)
- M54: 16,950,636 km (0.069 R)
- M55: 17,090,958 km (0.072 R)
- M56: 17,316,253 km (0.113 R)
- M57: 17,883,528 km (0.102 R)
- M58: 17,969,247 km (0.118 R)
- M59: 18,140,986 km (0.084 R)
- M60: 18,833,175 km (0.103 R)
- M61: 19,065,800 km (0.09 R)
- M62: 19,769,658 km (0.093 R)
Planet 6 - Gas Giant
Semi-Major Axis: 2.84 AU
Status: Outer (Cold)
Composition: Hydrogen/Helium Atmosphere
Physical Data
Mass: 127
Radius: 13.4
Gravity: 0.71 G
Time & Orbit
Eccentricity (e): 0.15
Orbit Range: 2.41 AU - 3.27 AU
Year: 3364 Days
Day: 10.4 Hours
Environment
Temp: -202 °C
Axial Tilt: 48.3 °
Atmosphere: Hâ‚‚, CHâ‚„
Biome: None
Satellites (41)
Outer Limit: 45,883,816 km
- M1: 174,282 km (0.075 R)
- M2: 316,998 km (0.119 R)
- M3: 418,874 km (0.086 R)
- M4: 542,891 km (0.102 R)
- M5: 843,134 km (0.029 R)
- M6: 1,122,283 km (0.047 R)
- M7: 1,222,215 km (0.107 R)
- M8: 1,316,760 km (0.115 R)
- M9: 1,449,903 km (0.115 R)
- M10: 1,634,806 km (0.087 R)
- M11: 1,739,973 km (0.079 R)
- M12: 1,927,419 km (0.099 R)
- M13: 2,100,803 km (0.073 R)
- M14: 2,333,128 km (0.112 R)
- M15: 2,986,422 km (0.029 R)
- M16: 3,333,789 km (0.114 R)
- M17: 3,681,903 km (0.071 R)
- M18: 4,212,826 km (0.096 R)
- M19: 4,851,459 km (0.116 R)
- M20: 5,089,918 km (0.117 R)
- M21: 5,404,522 km (0.11 R)
- M22: 5,505,950 km (0.091 R)
- M23: 5,843,742 km (0.051 R)
- M24: 6,173,156 km (0.102 R)
- M25: 6,355,516 km (0.048 R)
- M26: 7,086,750 km (0.072 R)
- M27: 7,182,044 km (0.094 R)
- M28: 7,325,808 km (0.12 R)
- M29: 8,059,136 km (0.079 R)
- M30: 8,275,305 km (0.081 R)
- M31: 9,350,316 km (0.12 R)
- M32: 9,472,537 km (0.065 R)
- M33: 10,342,598 km (0.065 R)
- M34: 10,432,956 km (0.106 R)
- M35: 10,778,227 km (0.085 R)
- M36: 11,874,481 km (0.072 R)
- M37: 11,988,025 km (0.113 R)
- M38: 12,273,309 km (0.058 R)
- M39: 12,426,347 km (0.083 R)
- M40: 13,025,636 km (0.091 R)
- M41: 13,181,816 km (0.075 R)
Planet 7 - Gas Giant
Semi-Major Axis: 3.33 AU
Status: Outer (Cold)
Composition: Hydrogen/Helium Atmosphere
Physical Data
Mass: 271.7
Radius: 10.6
Gravity: 2.42 G
Time & Orbit
Eccentricity (e): 0.135
Orbit Range: 2.88 AU - 3.78 AU
Year: 4271 Days
Day: 14.9 Hours
Environment
Temp: -212 °C
Axial Tilt: 35.6 °
Atmosphere: Hâ‚‚, CHâ‚„
Biome: None
Satellites (73)
Outer Limit: 45,883,816 km
- M1: 143,464 km (0.096 R)
- M2: 340,485 km (0.038 R)
- M3: 423,512 km (0.059 R)
- M4: 564,134 km (0.119 R)
- M5: 694,583 km (0.102 R)
- M6: 926,011 km (0.037 R)
- M7: 1,029,832 km (0.066 R)
- M8: 1,160,131 km (0.1 R)
- M9: 1,238,820 km (0.105 R)
- M10: 1,307,785 km (0.107 R)
- M11: 1,425,668 km (0.08 R)
- M12: 1,572,124 km (0.107 R)
- M13: 1,647,222 km (0.045 R)
- M14: 1,840,503 km (0.096 R)
- M15: 1,933,253 km (0.085 R)
- M16: 2,014,186 km (0.03 R)
- M17: 2,207,317 km (0.048 R)
- M18: 2,808,102 km (0.101 R)
- M19: 3,182,695 km (0.101 R)
- M20: 3,327,356 km (0.098 R)
- M21: 3,441,349 km (0.111 R)
- M22: 3,540,234 km (0.025 R)
- M23: 3,707,035 km (0.104 R)
- M24: 4,031,064 km (0.071 R)
- M25: 4,152,837 km (0.081 R)
- M26: 4,453,678 km (0.07 R)
- M27: 4,983,255 km (0.104 R)
- M28: 5,170,551 km (0.115 R)
- M29: 5,341,242 km (0.087 R)
- M30: 5,629,667 km (0.086 R)
- M31: 5,982,568 km (0.083 R)
- M32: 6,121,844 km (0.025 R)
- M33: 6,201,879 km (0.096 R)
- M34: 6,282,213 km (0.117 R)
- M35: 7,231,711 km (0.107 R)
- M36: 7,744,831 km (0.077 R)
- M37: 7,896,823 km (0.104 R)
- M38: 8,181,508 km (0.101 R)
- M39: 8,851,407 km (0.053 R)
- M40: 8,964,802 km (0.103 R)
- M41: 9,307,980 km (0.05 R)
- M42: 9,702,020 km (0.107 R)
- M43: 9,936,440 km (0.078 R)
- M44: 10,892,520 km (0.085 R)
- M45: 11,283,120 km (0.029 R)
- M46: 11,381,556 km (0.042 R)
- M47: 11,604,008 km (0.083 R)
- M48: 11,827,956 km (0.118 R)
- M49: 12,153,780 km (0.077 R)
- M50: 12,788,972 km (0.102 R)
- M51: 13,304,786 km (0.096 R)
- M52: 13,801,152 km (0.104 R)
- M53: 13,906,468 km (0.094 R)
- M54: 14,303,651 km (0.12 R)
- M55: 14,517,127 km (0.094 R)
- M56: 15,028,153 km (0.094 R)
- M57: 15,217,843 km (0.116 R)
- M58: 16,040,183 km (0.089 R)
- M59: 16,150,885 km (0.089 R)
- M60: 16,289,563 km (0.106 R)
- M61: 16,428,838 km (0.099 R)
- M62: 16,512,463 km (0.083 R)
- M63: 16,736,411 km (0.113 R)
- M64: 17,499,361 km (0.117 R)
- M65: 17,870,812 km (0.096 R)
- M66: 17,956,980 km (0.03 R)
- M67: 18,331,573 km (0.066 R)
- M68: 18,476,384 km (0.104 R)
- M69: 18,592,472 km (0.094 R)
- M70: 18,825,396 km (0.116 R)
- M71: 19,411,969 km (0.072 R)
- M72: 19,530,002 km (0.076 R)
- M73: 19,677,954 km (0.109 R)
Planet 8 - Gas Giant
Semi-Major Axis: 5.07 AU
Status: Outer (Cold)
Composition: Hydrogen/Helium Atmosphere
Physical Data
Mass: 933.1
Radius: 9.4
Gravity: 10.56 G
Time & Orbit
Eccentricity (e): 0.146
Orbit Range: 4.33 AU - 5.81 AU
Year: 8025 Days
Day: 6 Hours
Environment
Temp: -231 °C
Axial Tilt: 31.4 °
Atmosphere: Hâ‚‚, CHâ‚„
Biome: None
Satellites (87)
Outer Limit: 45,883,816 km
- M1: 118,332 km (0.075 R)
- M2: 297,849 km (0.105 R)
- M3: 644,019 km (0.108 R)
- M4: 857,944 km (0.118 R)
- M5: 1,075,758 km (0.092 R)
- M6: 1,332,019 km (0.103 R)
- M7: 1,435,840 km (0.1 R)
- M8: 1,585,887 km (0.103 R)
- M9: 1,741,319 km (0.088 R)
- M10: 2,361,851 km (0.032 R)
- M11: 2,722,681 km (0.104 R)
- M12: 3,496,102 km (0.083 R)
- M13: 3,729,176 km (0.113 R)
- M14: 3,788,267 km (0.1 R)
- M15: 3,877,427 km (0.102 R)
- M16: 4,057,842 km (0.059 R)
- M17: 4,179,765 km (0.087 R)
- M18: 4,395,933 km (0.112 R)
- M19: 4,807,328 km (0.04 R)
- M20: 4,871,804 km (0.084 R)
- M21: 5,231,138 km (0.078 R)
- M22: 5,397,342 km (0.097 R)
- M23: 5,667,067 km (0.094 R)
- M24: 7,599,572 km (0.072 R)
- M25: 8,016,351 km (0.088 R)
- M26: 8,832,408 km (0.119 R)
- M27: 8,951,189 km (0.113 R)
- M28: 9,471,939 km (0.109 R)
- M29: 9,838,304 km (0.12 R)
- M30: 10,084,991 km (0.102 R)
- M31: 11,007,411 km (0.116 R)
- M32: 11,177,953 km (0.082 R)
- M33: 11,349,542 km (0.05 R)
- M34: 12,088,106 km (0.092 R)
- M35: 12,175,920 km (0.115 R)
- M36: 13,657,089 km (0.083 R)
- M37: 13,794,569 km (0.069 R)
- M38: 14,395,653 km (0.112 R)
- M39: 14,722,824 km (0.059 R)
- M40: 14,910,869 km (0.06 R)
- M41: 15,289,351 km (0.106 R)
- M42: 15,718,996 km (0.094 R)
- M43: 15,863,059 km (0.106 R)
- M44: 16,541,336 km (0.052 R)
- M45: 17,080,786 km (0.075 R)
- M46: 17,377,588 km (0.107 R)
- M47: 17,926,014 km (0.105 R)
- M48: 18,480,124 km (0.115 R)
- M49: 19,039,919 km (0.071 R)
- M50: 19,142,394 km (0.067 R)
- M51: 19,553,638 km (0.061 R)
- M52: 19,915,965 km (0.088 R)
- M53: 20,489,822 km (0.087 R)
- M54: 20,963,449 km (0.099 R)
- M55: 23,824,658 km (0.07 R)
- M56: 24,378,170 km (0.085 R)
- M57: 24,656,571 km (0.092 R)
- M58: 24,823,971 km (0.091 R)
- M59: 25,160,118 km (0.11 R)
- M60: 25,610,707 km (0.087 R)
- M61: 26,348,523 km (0.081 R)
- M62: 27,266,157 km (0.086 R)
- M63: 27,787,056 km (0.106 R)
- M64: 28,427,934 km (0.115 R)
- M65: 29,724,499 km (0.111 R)
- M66: 29,902,819 km (0.097 R)
- M67: 30,141,129 km (0.093 R)
- M68: 30,380,036 km (0.103 R)
- M69: 31,342,100 km (0.087 R)
- M70: 31,644,737 km (0.113 R)
- M71: 31,826,797 km (0.036 R)
- M72: 32,926,491 km (0.061 R)
- M73: 33,110,946 km (0.114 R)
- M74: 33,481,051 km (0.096 R)
- M75: 33,790,419 km (0.092 R)
- M76: 34,225,150 km (0.057 R)
- M77: 34,349,765 km (0.101 R)
- M78: 34,536,763 km (0.075 R)
- M79: 34,974,785 km (0.069 R)
- M80: 37,898,077 km (0.08 R)
- M81: 41,893,837 km (0.033 R)
- M82: 42,561,492 km (0.115 R)
- M83: 42,896,741 km (0.115 R)
- M84: 43,502,163 km (0.107 R)
- M85: 43,637,100 km (0.085 R)
- M86: 44,042,810 km (0.095 R)
- M87: 44,449,716 km (0.088 R)
Kuiper Belt
Range: 30 - 56 AU
Composition
Type: Dwarf Planets/TNOs (Ices)
Reservoir of dwarf planets and volatile ices.
Outer System
Oort Cloud
Range: 377 - 19,661 AU
Composition
Type: Cometary Reservoir
System's final boundary, containing trillions of icy planetesimals.