Star System Generated (Seed: 1766489391)
Star Details
Spectral Class: K6V
Temperature: 4,236 K
Mass: 0.68 sol
Luminosity: 0.26 lux
Habitable Zone (HZ)
Inner Boundary: 0.49 AU
Outer Boundary: 0.7 AU
Physical Limits
Snow Line: 2.45 AU
Max System Radius: 16.5 AU
Planetary System (6 Planets)
Planet 1 - Gas Giant
Semi-Major Axis: 3.06 AU
Status: Outer (Cold)
Composition: Hydrogen/Helium Atmosphere
Physical Data
Mass: 78.5
Radius: 9.9
Gravity: 0.8 G
Time & Orbit
Eccentricity (e): 0.148
Orbit Range: 2.61 AU - 3.51 AU
Year: 2371 Days
Day: 7.1 Hours
Environment
Temp: -155 °C
Axial Tilt: 32.3 °
Atmosphere: Hâ‚‚, CHâ‚„
Biome: None
Satellites (35)
Outer Limit: 36,772,178 km
- M1: 149,897 km (0.107 R)
- M2: 215,571 km (0.093 R)
- M3: 289,472 km (0.088 R)
- M4: 405,410 km (0.101 R)
- M5: 578,944 km (0.076 R)
- M6: 778,059 km (0.089 R)
- M7: 1,061,846 km (0.109 R)
- M8: 1,183,170 km (0.039 R)
- M9: 1,336,657 km (0.08 R)
- M10: 1,475,484 km (0.088 R)
- M11: 1,561,203 km (0.078 R)
- M12: 1,737,729 km (0.101 R)
- M13: 1,928,765 km (0.114 R)
- M14: 2,273,588 km (0.089 R)
- M15: 2,406,880 km (0.102 R)
- M16: 2,912,072 km (0.079 R)
- M17: 3,326,608 km (0.053 R)
- M18: 3,430,878 km (0.102 R)
- M19: 3,516,896 km (0.109 R)
- M20: 4,180,363 km (0.117 R)
- M21: 4,668,800 km (0.119 R)
- M22: 5,098,744 km (0.062 R)
- M23: 5,164,418 km (0.115 R)
- M24: 5,230,241 km (0.113 R)
- M25: 5,586,583 km (0.077 R)
- M26: 5,859,001 km (0.081 R)
- M27: 5,985,261 km (0.088 R)
- M28: 6,690,166 km (0.116 R)
- M29: 6,870,432 km (0.116 R)
- M30: 6,955,254 km (0.108 R)
- M31: 7,162,447 km (0.099 R)
- M32: 7,670,631 km (0.092 R)
- M33: 7,859,423 km (0.104 R)
- M34: 8,461,106 km (0.097 R)
- M35: 8,708,541 km (0.092 R)
Planet 2 - Gas Giant
Semi-Major Axis: 3.68 AU
Status: Outer (Cold)
Composition: Hydrogen/Helium Atmosphere
Physical Data
Mass: 873.2
Radius: 13.3
Gravity: 4.94 G
Time & Orbit
Eccentricity (e): 0.005
Orbit Range: 3.66 AU - 3.7 AU
Year: 3127 Days
Day: 10.4 Hours
Environment
Temp: -161 °C
Axial Tilt: 34.2 °
Atmosphere: Hâ‚‚, CHâ‚„
Biome: None
Satellites (75)
Outer Limit: 36,772,178 km
- M1: 200,611 km (0.073 R)
- M2: 550,371 km (0.063 R)
- M3: 754,721 km (0.088 R)
- M4: 928,554 km (0.05 R)
- M5: 1,056,610 km (0.096 R)
- M6: 1,267,094 km (0.088 R)
- M7: 1,788,143 km (0.05 R)
- M8: 1,891,216 km (0.107 R)
- M9: 2,181,436 km (0.118 R)
- M10: 2,669,424 km (0.099 R)
- M11: 2,874,224 km (0.102 R)
- M12: 3,245,227 km (0.052 R)
- M13: 3,372,385 km (0.1 R)
- M14: 4,229,730 km (0.096 R)
- M15: 4,570,963 km (0.075 R)
- M16: 5,025,740 km (0.04 R)
- M17: 5,757,274 km (0.089 R)
- M18: 5,867,677 km (0.048 R)
- M19: 6,001,119 km (0.071 R)
- M20: 6,776,634 km (0.071 R)
- M21: 6,893,320 km (0.071 R)
- M22: 7,058,028 km (0.075 R)
- M23: 7,391,032 km (0.057 R)
- M24: 8,048,066 km (0.094 R)
- M25: 8,146,950 km (0.08 R)
- M26: 8,396,180 km (0.062 R)
- M27: 8,647,804 km (0.11 R)
- M28: 8,774,663 km (0.071 R)
- M29: 9,030,027 km (0.107 R)
- M30: 9,184,561 km (0.097 R)
- M31: 9,313,963 km (0.088 R)
- M32: 9,705,760 km (0.096 R)
- M33: 10,344,094 km (0.098 R)
- M34: 10,668,273 km (0.117 R)
- M35: 10,968,516 km (0.054 R)
- M36: 11,105,996 km (0.102 R)
- M37: 11,299,277 km (0.068 R)
- M38: 11,549,404 km (0.115 R)
- M39: 11,633,179 km (0.109 R)
- M40: 11,829,601 km (0.049 R)
- M41: 12,225,587 km (0.071 R)
- M42: 12,539,892 km (0.045 R)
- M43: 12,827,868 km (0.078 R)
- M44: 13,118,088 km (0.081 R)
- M45: 13,322,438 km (0.119 R)
- M46: 13,823,442 km (0.107 R)
- M47: 13,971,843 km (0.082 R)
- M48: 14,270,440 km (0.042 R)
- M49: 14,541,063 km (0.105 R)
- M50: 14,752,744 km (0.104 R)
- M51: 15,148,430 km (0.092 R)
- M52: 15,301,618 km (0.052 R)
- M53: 15,424,438 km (0.091 R)
- M54: 16,293,901 km (0.086 R)
- M55: 16,703,051 km (0.115 R)
- M56: 17,403,169 km (0.086 R)
- M57: 17,627,865 km (0.08 R)
- M58: 17,756,669 km (0.086 R)
- M59: 18,112,712 km (0.105 R)
- M60: 18,242,862 km (0.115 R)
- M61: 18,373,162 km (0.088 R)
- M62: 19,228,114 km (0.083 R)
- M63: 19,527,160 km (0.064 R)
- M64: 19,627,091 km (0.082 R)
- M65: 19,928,082 km (0.115 R)
- M66: 20,163,399 km (0.077 R)
- M67: 20,602,619 km (0.117 R)
- M68: 20,772,412 km (0.095 R)
- M69: 21,147,604 km (0.118 R)
- M70: 21,284,635 km (0.095 R)
- M71: 21,973,982 km (0.095 R)
- M72: 22,845,988 km (0.117 R)
- M73: 23,197,992 km (0.093 R)
- M74: 23,693,760 km (0.113 R)
- M75: 23,836,177 km (0.048 R)
Planet 3 - Gas Giant
Semi-Major Axis: 3.95 AU
Status: Outer (Cold)
Composition: Hydrogen/Helium Atmosphere
Physical Data
Mass: 764.3
Radius: 9.1
Gravity: 9.23 G
Time & Orbit
Eccentricity (e): 0.196
Orbit Range: 3.18 AU - 4.72 AU
Year: 3477 Days
Day: 8.1 Hours
Environment
Temp: -158 °C
Axial Tilt: 19 °
Atmosphere: Hâ‚‚, CHâ‚„
Biome: None
Satellites (84)
Outer Limit: 36,772,178 km
- M1: 162,762 km (0.036 R)
- M2: 273,465 km (0.107 R)
- M3: 518,656 km (0.108 R)
- M4: 576,101 km (0.044 R)
- M5: 666,907 km (0.088 R)
- M6: 796,010 km (0.099 R)
- M7: 1,286,691 km (0.094 R)
- M8: 1,798,166 km (0.031 R)
- M9: 1,904,530 km (0.066 R)
- M10: 2,139,848 km (0.101 R)
- M11: 2,285,407 km (0.081 R)
- M12: 2,417,801 km (0.095 R)
- M13: 2,586,846 km (0.069 R)
- M14: 2,847,595 km (0.099 R)
- M15: 2,918,654 km (0.101 R)
- M16: 3,153,673 km (0.104 R)
- M17: 3,338,576 km (0.071 R)
- M18: 3,584,515 km (0.076 R)
- M19: 3,758,198 km (0.076 R)
- M20: 3,914,976 km (0.116 R)
- M21: 4,053,953 km (0.043 R)
- M22: 4,113,941 km (0.028 R)
- M23: 4,214,770 km (0.095 R)
- M24: 4,584,427 km (0.032 R)
- M25: 4,921,770 km (0.098 R)
- M26: 5,028,882 km (0.113 R)
- M27: 5,201,817 km (0.089 R)
- M28: 5,487,100 km (0.034 R)
- M29: 5,665,271 km (0.076 R)
- M30: 5,936,044 km (0.106 R)
- M31: 6,211,154 km (0.066 R)
- M32: 6,303,755 km (0.092 R)
- M33: 7,037,233 km (0.097 R)
- M34: 7,623,507 km (0.078 R)
- M35: 8,378,378 km (0.117 R)
- M36: 8,609,507 km (0.099 R)
- M37: 9,395,045 km (0.073 R)
- M38: 9,474,931 km (0.08 R)
- M39: 10,422,932 km (0.108 R)
- M40: 10,699,240 km (0.103 R)
- M41: 11,006,065 km (0.073 R)
- M42: 11,118,413 km (0.115 R)
- M43: 11,259,334 km (0.119 R)
- M44: 11,485,975 km (0.09 R)
- M45: 11,628,392 km (0.096 R)
- M46: 11,742,834 km (0.102 R)
- M47: 12,088,256 km (0.081 R)
- M48: 12,291,260 km (0.051 R)
- M49: 12,349,603 km (0.08 R)
- M50: 12,612,746 km (0.09 R)
- M51: 13,085,027 km (0.066 R)
- M52: 13,774,224 km (0.1 R)
- M53: 14,138,644 km (0.049 R)
- M54: 14,721,777 km (0.095 R)
- M55: 15,438,500 km (0.063 R)
- M56: 15,911,978 km (0.108 R)
- M57: 16,102,715 km (0.054 R)
- M58: 16,358,078 km (0.116 R)
- M59: 16,454,270 km (0.063 R)
- M60: 16,550,611 km (0.086 R)
- M61: 16,970,233 km (0.033 R)
- M62: 17,035,158 km (0.098 R)
- M63: 17,886,071 km (0.064 R)
- M64: 18,051,377 km (0.116 R)
- M65: 18,483,266 km (0.033 R)
- M66: 18,918,596 km (0.119 R)
- M67: 19,019,574 km (0.115 R)
- M68: 19,222,130 km (0.075 R)
- M69: 19,391,325 km (0.11 R)
- M70: 19,799,577 km (0.085 R)
- M71: 20,832,551 km (0.098 R)
- M72: 20,901,964 km (0.105 R)
- M73: 21,006,383 km (0.062 R)
- M74: 21,530,874 km (0.106 R)
- M75: 22,343,489 km (0.114 R)
- M76: 22,521,511 km (0.033 R)
- M77: 22,771,489 km (0.094 R)
- M78: 22,950,557 km (0.102 R)
- M79: 23,022,364 km (0.071 R)
- M80: 23,346,244 km (0.108 R)
- M81: 23,599,214 km (0.1 R)
- M82: 23,671,769 km (0.071 R)
- M83: 24,327,157 km (0.099 R)
- M84: 24,583,568 km (0.118 R)
Planet 4 - Gas Giant
Semi-Major Axis: 4.75 AU
Status: Outer (Cold)
Composition: Hydrogen/Helium Atmosphere
Physical Data
Mass: 700.3
Radius: 8
Gravity: 10.94 G
Time & Orbit
Eccentricity (e): 0.107
Orbit Range: 4.24 AU - 5.26 AU
Year: 4585 Days
Day: 12.9 Hours
Environment
Temp: -180 °C
Axial Tilt: 16.2 °
Atmosphere: Hâ‚‚, CHâ‚„
Biome: None
Satellites (86)
Outer Limit: 36,772,178 km
- M1: 271,071 km (0.071 R)
- M2: 618,138 km (0.082 R)
- M3: 699,071 km (0.102 R)
- M4: 924,066 km (0.088 R)
- M5: 1,229,994 km (0.103 R)
- M6: 1,333,815 km (0.112 R)
- M7: 1,456,186 km (0.033 R)
- M8: 1,614,460 km (0.104 R)
- M9: 1,879,548 km (0.115 R)
- M10: 1,965,267 km (0.113 R)
- M11: 2,069,836 km (0.085 R)
- M12: 2,122,794 km (0.072 R)
- M13: 2,321,161 km (0.115 R)
- M14: 2,582,358 km (0.044 R)
- M15: 2,716,548 km (0.041 R)
- M16: 2,971,911 km (0.099 R)
- M17: 3,072,291 km (0.113 R)
- M18: 3,133,028 km (0.11 R)
- M19: 3,255,698 km (0.09 R)
- M20: 3,784,078 km (0.072 R)
- M21: 3,914,827 km (0.102 R)
- M22: 3,980,799 km (0.065 R)
- M23: 4,113,941 km (0.104 R)
- M24: 4,591,159 km (0.116 R)
- M25: 4,777,707 km (0.051 R)
- M26: 4,943,013 km (0.047 R)
- M27: 5,230,690 km (0.037 R)
- M28: 5,352,163 km (0.111 R)
- M29: 5,474,534 km (0.099 R)
- M30: 5,797,217 km (0.09 R)
- M31: 5,897,896 km (0.079 R)
- M32: 6,049,738 km (0.112 R)
- M33: 6,100,601 km (0.101 R)
- M34: 6,383,341 km (0.113 R)
- M35: 7,095,277 km (0.086 R)
- M36: 7,149,133 km (0.077 R)
- M37: 7,365,451 km (0.086 R)
- M38: 7,419,905 km (0.085 R)
- M39: 7,501,735 km (0.108 R)
- M40: 7,638,916 km (0.034 R)
- M41: 8,422,360 km (0.1 R)
- M42: 8,650,796 km (0.113 R)
- M43: 9,114,101 km (0.11 R)
- M44: 9,231,086 km (0.113 R)
- M45: 9,289,878 km (0.082 R)
- M46: 9,555,714 km (0.055 R)
- M47: 9,854,012 km (0.049 R)
- M48: 11,015,190 km (0.108 R)
- M49: 12,575,496 km (0.086 R)
- M50: 12,902,368 km (0.103 R)
- M51: 13,431,196 km (0.088 R)
- M52: 13,731,738 km (0.097 R)
- M53: 14,784,010 km (0.112 R)
- M54: 15,302,516 km (0.051 R)
- M55: 15,372,079 km (0.096 R)
- M56: 15,721,539 km (0.103 R)
- M57: 16,286,271 km (0.114 R)
- M58: 16,357,181 km (0.082 R)
- M59: 16,821,533 km (0.065 R)
- M60: 17,109,508 km (0.061 R)
- M61: 17,653,596 km (0.092 R)
- M62: 17,799,753 km (0.077 R)
- M63: 18,093,114 km (0.088 R)
- M64: 18,610,424 km (0.115 R)
- M65: 18,684,624 km (0.067 R)
- M66: 20,114,930 km (0.116 R)
- M67: 20,343,964 km (0.095 R)
- M68: 20,420,409 km (0.105 R)
- M69: 20,727,533 km (0.089 R)
- M70: 21,618,987 km (0.082 R)
- M71: 21,853,706 km (0.113 R)
- M72: 22,562,500 km (0.054 R)
- M73: 22,880,097 km (0.05 R)
- M74: 23,199,039 km (0.093 R)
- M75: 23,319,017 km (0.053 R)
- M76: 25,061,533 km (0.117 R)
- M77: 25,349,210 km (0.113 R)
- M78: 25,431,638 km (0.11 R)
- M79: 26,177,084 km (0.074 R)
- M80: 26,929,561 km (0.096 R)
- M81: 27,308,643 km (0.08 R)
- M82: 27,562,211 km (0.037 R)
- M83: 27,859,163 km (0.099 R)
- M84: 27,944,134 km (0.086 R)
- M85: 28,199,797 km (0.086 R)
- M86: 28,370,488 km (0.082 R)
Planet 5 - Gas Giant
Semi-Major Axis: 4.85 AU
Status: Outer (Cold)
Composition: Hydrogen/Helium Atmosphere
Physical Data
Mass: 267.5
Radius: 13.5
Gravity: 1.47 G
Time & Orbit
Eccentricity (e): 0.173
Orbit Range: 4.01 AU - 5.69 AU
Year: 4731 Days
Day: 14 Hours
Environment
Temp: -170 °C
Axial Tilt: 3.5 °
Atmosphere: Hâ‚‚, CHâ‚„
Biome: None
Satellites (65)
Outer Limit: 36,772,178 km
- M1: 171,290 km (0.104 R)
- M2: 256,411 km (0.049 R)
- M3: 343,028 km (0.075 R)
- M4: 478,115 km (0.047 R)
- M5: 700,118 km (0.098 R)
- M6: 958,922 km (0.118 R)
- M7: 1,056,161 km (0.107 R)
- M8: 1,608,177 km (0.086 R)
- M9: 1,793,080 km (0.069 R)
- M10: 1,985,164 km (0.096 R)
- M11: 2,198,790 km (0.059 R)
- M12: 2,375,315 km (0.05 R)
- M13: 2,480,632 km (0.11 R)
- M14: 2,664,787 km (0.084 R)
- M15: 3,294,744 km (0.096 R)
- M16: 3,463,789 km (0.059 R)
- M17: 3,775,252 km (0.084 R)
- M18: 3,970,327 km (0.107 R)
- M19: 4,241,548 km (0.107 R)
- M20: 4,650,699 km (0.119 R)
- M21: 5,131,057 km (0.1 R)
- M22: 5,871,268 km (0.059 R)
- M23: 5,994,536 km (0.094 R)
- M24: 6,581,110 km (0.079 R)
- M25: 6,666,380 km (0.093 R)
- M26: 7,120,410 km (0.063 R)
- M27: 7,252,056 km (0.119 R)
- M28: 7,651,781 km (0.054 R)
- M29: 8,218,907 km (0.097 R)
- M30: 8,356,986 km (0.117 R)
- M31: 8,542,338 km (0.106 R)
- M32: 8,635,687 km (0.119 R)
- M33: 9,417,635 km (0.064 R)
- M34: 9,780,709 km (0.1 R)
- M35: 10,049,835 km (0.07 R)
- M36: 10,746,064 km (0.091 R)
- M37: 11,151,025 km (0.075 R)
- M38: 11,612,535 km (0.074 R)
- M39: 11,741,787 km (0.116 R)
- M40: 12,185,046 km (0.108 R)
- M41: 12,369,201 km (0.102 R)
- M42: 12,633,839 km (0.09 R)
- M43: 13,007,535 km (0.119 R)
- M44: 13,168,951 km (0.088 R)
- M45: 13,602,186 km (0.032 R)
- M46: 13,711,243 km (0.1 R)
- M47: 14,040,359 km (0.067 R)
- M48: 14,261,015 km (0.062 R)
- M49: 14,399,693 km (0.105 R)
- M50: 15,071,088 km (0.119 R)
- M51: 15,382,251 km (0.086 R)
- M52: 15,552,793 km (0.087 R)
- M53: 15,695,509 km (0.047 R)
- M54: 17,057,897 km (0.067 R)
- M55: 17,264,043 km (0.106 R)
- M56: 17,738,418 km (0.103 R)
- M57: 17,917,337 km (0.102 R)
- M58: 18,277,120 km (0.112 R)
- M59: 19,003,866 km (0.093 R)
- M60: 19,278,827 km (0.095 R)
- M61: 19,740,037 km (0.034 R)
- M62: 19,894,722 km (0.028 R)
- M63: 20,236,104 km (0.051 R)
- M64: 20,830,456 km (0.072 R)
- M65: 21,019,398 km (0.054 R)
Planet 6 - Gas Giant
Semi-Major Axis: 5.41 AU
Status: Outer (Cold)
Composition: Hydrogen/Helium Atmosphere
Physical Data
Mass: 995.6
Radius: 10.4
Gravity: 9.2 G
Time & Orbit
Eccentricity (e): 0.128
Orbit Range: 4.72 AU - 6.1 AU
Year: 5574 Days
Day: 7.3 Hours
Environment
Temp: -170 °C
Axial Tilt: 25.6 °
Atmosphere: Hâ‚‚, CHâ‚„
Biome: None
Satellites (81)
Outer Limit: 36,772,178 km
- M1: 422,464 km (0.049 R)
- M2: 667,805 km (0.077 R)
- M3: 1,021,454 km (0.085 R)
- M4: 1,219,223 km (0.117 R)
- M5: 1,305,541 km (0.071 R)
- M6: 1,539,811 km (0.095 R)
- M7: 1,633,609 km (0.112 R)
- M8: 1,787,695 km (0.118 R)
- M9: 2,279,423 km (0.049 R)
- M10: 2,675,109 km (0.116 R)
- M11: 2,834,880 km (0.106 R)
- M12: 3,092,487 km (0.062 R)
- M13: 3,188,080 km (0.093 R)
- M14: 3,706,138 km (0.095 R)
- M15: 3,859,027 km (0.097 R)
- M16: 4,118,579 km (0.048 R)
- M17: 4,197,567 km (0.049 R)
- M18: 5,241,610 km (0.081 R)
- M19: 5,471,393 km (0.071 R)
- M20: 5,822,200 km (0.101 R)
- M21: 5,970,601 km (0.118 R)
- M22: 6,120,348 km (0.058 R)
- M23: 6,576,771 km (0.034 R)
- M24: 6,762,422 km (0.065 R)
- M25: 7,847,156 km (0.062 R)
- M26: 7,978,354 km (0.087 R)
- M27: 8,044,177 km (0.083 R)
- M28: 8,712,879 km (0.083 R)
- M29: 9,260,557 km (0.072 R)
- M30: 9,468,947 km (0.096 R)
- M31: 9,784,299 km (0.029 R)
- M32: 10,787,652 km (0.065 R)
- M33: 11,153,868 km (0.08 R)
- M34: 11,375,572 km (0.117 R)
- M35: 12,277,048 km (0.106 R)
- M36: 12,620,974 km (0.117 R)
- M37: 13,553,717 km (0.043 R)
- M38: 13,671,899 km (0.104 R)
- M39: 13,909,161 km (0.06 R)
- M40: 14,227,805 km (0.109 R)
- M41: 14,307,840 km (0.109 R)
- M42: 14,428,116 km (0.086 R)
- M43: 15,157,256 km (0.084 R)
- M44: 15,485,025 km (0.118 R)
- M45: 15,567,454 km (0.082 R)
- M46: 16,693,178 km (0.088 R)
- M47: 17,458,221 km (0.118 R)
- M48: 18,496,131 km (0.045 R)
- M49: 18,802,657 km (0.058 R)
- M50: 18,890,471 km (0.119 R)
- M51: 19,066,697 km (0.054 R)
- M52: 19,154,960 km (0.062 R)
- M53: 19,509,358 km (0.112 R)
- M54: 19,955,608 km (0.085 R)
- M55: 20,495,507 km (0.11 R)
- M56: 20,858,132 km (0.113 R)
- M57: 20,994,565 km (0.056 R)
- M58: 21,589,666 km (0.05 R)
- M59: 22,609,325 km (0.079 R)
- M60: 23,124,988 km (0.076 R)
- M61: 23,360,605 km (0.067 R)
- M62: 24,311,449 km (0.119 R)
- M63: 25,371,799 km (0.099 R)
- M64: 25,468,888 km (0.079 R)
- M65: 25,614,895 km (0.068 R)
- M66: 26,005,495 km (0.082 R)
- M67: 26,250,537 km (0.11 R)
- M68: 27,139,298 km (0.113 R)
- M69: 28,390,086 km (0.067 R)
- M70: 28,490,914 km (0.109 R)
- M71: 30,481,613 km (0.105 R)
- M72: 30,636,597 km (0.102 R)
- M73: 31,415,553 km (0.11 R)
- M74: 32,411,426 km (0.103 R)
- M75: 33,258,150 km (0.111 R)
- M76: 33,364,514 km (0.05 R)
- M77: 33,897,980 km (0.106 R)
- M78: 35,950,762 km (0.116 R)
- M79: 36,278,680 km (0.105 R)
- M80: 36,552,594 km (0.072 R)
- M81: 36,662,249 km (0.101 R)
Kuiper Belt
Range: 30 - 49 AU
Composition
Type: Dwarf Planets/TNOs (Ices)
Reservoir of dwarf planets and volatile ices.
Outer System
Oort Cloud
Range: 163 - 17,295 AU
Composition
Type: Cometary Reservoir
System's final boundary, containing trillions of icy planetesimals.