Star System Generated (Seed: 1768167286)
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 (6 Planets)
Planet 1 - Gas Giant
Semi-Major Axis: 1.1 AU
Status: Outer (Cold)
Composition: Hydrogen/Helium Atmosphere
Physical Data
Mass: 820.9
Radius: 12
Gravity: 5.7 G
Time & Orbit
Eccentricity (e): 0.238
Orbit Range: 0.84 AU - 1.36 AU
Year: 769 Days
Day: 11.3 Hours
Environment
Temp: -174 °C
Axial Tilt: 14.4 °
Atmosphere: Hâ‚‚, CHâ‚„
Biome: None
Satellites (58)
Outer Limit: 35,083,786 km
- M1: 149,448 km (0.083 R)
- M2: 232,924 km (0.098 R)
- M3: 313,408 km (0.072 R)
- M4: 448,794 km (0.047 R)
- M5: 554,410 km (0.061 R)
- M6: 633,996 km (0.107 R)
- M7: 729,140 km (0.088 R)
- M8: 858,542 km (0.075 R)
- M9: 1,161,777 km (0.11 R)
- M10: 1,241,214 km (0.096 R)
- M11: 1,357,301 km (0.11 R)
- M12: 1,462,918 km (0.108 R)
- M13: 1,549,535 km (0.11 R)
- M14: 1,630,617 km (0.103 R)
- M15: 1,705,565 km (0.076 R)
- M16: 1,789,340 km (0.085 R)
- M17: 1,913,955 km (0.086 R)
- M18: 2,009,249 km (0.105 R)
- M19: 2,296,776 km (0.119 R)
- M20: 2,407,030 km (0.103 R)
- M21: 2,659,551 km (0.109 R)
- M22: 2,775,639 km (0.091 R)
- M23: 2,985,226 km (0.045 R)
- M24: 3,105,951 km (0.111 R)
- M25: 3,458,852 km (0.12 R)
- M26: 3,794,700 km (0.09 R)
- M27: 3,885,356 km (0.078 R)
- M28: 3,986,933 km (0.11 R)
- M29: 4,234,517 km (0.09 R)
- M30: 4,423,459 km (0.098 R)
- M31: 4,508,431 km (0.104 R)
- M32: 4,636,786 km (0.118 R)
- M33: 4,755,567 km (0.11 R)
- M34: 4,886,465 km (0.114 R)
- M35: 4,963,209 km (0.11 R)
- M36: 5,118,192 km (0.114 R)
- M37: 5,229,792 km (0.036 R)
- M38: 5,342,290 km (0.074 R)
- M39: 5,444,315 km (0.096 R)
- M40: 5,650,012 km (0.076 R)
- M41: 5,963,719 km (0.089 R)
- M42: 6,081,303 km (0.114 R)
- M43: 6,199,785 km (0.057 R)
- M44: 6,390,821 km (0.114 R)
- M45: 6,717,692 km (0.097 R)
- M46: 6,889,281 km (0.071 R)
- M47: 7,025,266 km (0.076 R)
- M48: 7,199,547 km (0.092 R)
- M49: 7,375,175 km (0.051 R)
- M50: 7,514,301 km (0.085 R)
- M51: 7,667,040 km (0.116 R)
- M52: 8,066,467 km (0.111 R)
- M53: 8,170,587 km (0.067 R)
- M54: 8,419,817 km (0.105 R)
- M55: 8,684,904 km (0.091 R)
- M56: 8,805,031 km (0.03 R)
- M57: 9,114,699 km (0.104 R)
- M58: 9,196,080 km (0.105 R)
Planet 2 - Gas Giant
Semi-Major Axis: 1.92 AU
Status: Outer (Cold)
Composition: Hydrogen/Helium Atmosphere
Physical Data
Mass: 336.7
Radius: 10.7
Gravity: 2.94 G
Time & Orbit
Eccentricity (e): 0.067
Orbit Range: 1.79 AU - 2.05 AU
Year: 1774 Days
Day: 9.6 Hours
Environment
Temp: -205 °C
Axial Tilt: 8 °
Atmosphere: Hâ‚‚, CHâ‚„
Biome: None
Satellites (64)
Outer Limit: 35,083,786 km
- M1: 159,172 km (0.052 R)
- M2: 242,049 km (0.067 R)
- M3: 311,014 km (0.07 R)
- M4: 390,301 km (0.111 R)
- M5: 468,092 km (0.102 R)
- M6: 630,106 km (0.105 R)
- M7: 738,565 km (0.051 R)
- M8: 990,338 km (0.094 R)
- M9: 1,072,916 km (0.061 R)
- M10: 1,142,329 km (0.111 R)
- M11: 1,245,402 km (0.109 R)
- M12: 1,368,521 km (0.054 R)
- M13: 1,444,367 km (0.119 R)
- M14: 1,530,386 km (0.112 R)
- M15: 1,689,858 km (0.06 R)
- M16: 1,808,489 km (0.04 R)
- M17: 1,892,263 km (0.052 R)
- M18: 2,073,726 km (0.101 R)
- M19: 2,464,176 km (0.096 R)
- M20: 2,943,488 km (0.086 R)
- M21: 3,177,160 km (0.09 R)
- M22: 3,256,446 km (0.029 R)
- M23: 3,382,258 km (0.069 R)
- M24: 3,498,197 km (0.083 R)
- M25: 3,769,866 km (0.099 R)
- M26: 4,024,033 km (0.111 R)
- M27: 4,159,270 km (0.042 R)
- M28: 4,296,301 km (0.097 R)
- M29: 4,459,961 km (0.083 R)
- M30: 4,587,419 km (0.116 R)
- M31: 4,715,923 km (0.102 R)
- M32: 4,819,744 km (0.103 R)
- M33: 5,029,630 km (0.117 R)
- M34: 5,175,638 km (0.039 R)
- M35: 5,390,460 km (0.112 R)
- M36: 5,512,682 km (0.083 R)
- M37: 5,581,048 km (0.116 R)
- M38: 5,940,831 km (0.082 R)
- M39: 6,123,490 km (0.107 R)
- M40: 6,236,885 km (0.062 R)
- M41: 6,451,408 km (0.047 R)
- M42: 6,741,179 km (0.073 R)
- M43: 6,814,333 km (0.117 R)
- M44: 6,990,858 km (0.119 R)
- M45: 7,079,719 km (0.073 R)
- M46: 7,575,337 km (0.094 R)
- M47: 7,865,706 km (0.083 R)
- M48: 8,020,091 km (0.042 R)
- M49: 8,410,392 km (0.119 R)
- M50: 8,631,648 km (0.109 R)
- M51: 9,209,544 km (0.114 R)
- M52: 9,290,776 km (0.069 R)
- M53: 9,568,878 km (0.117 R)
- M54: 9,667,613 km (0.098 R)
- M55: 9,833,068 km (0.116 R)
- M56: 10,334,969 km (0.067 R)
- M57: 10,521,218 km (0.087 R)
- M58: 10,623,244 km (0.103 R)
- M59: 10,793,935 km (0.109 R)
- M60: 11,259,484 km (0.087 R)
- M61: 11,398,759 km (0.09 R)
- M62: 11,573,639 km (0.099 R)
- M63: 11,731,764 km (0.065 R)
- M64: 11,855,182 km (0.078 R)
Planet 3 - Gas Giant
Semi-Major Axis: 4.25 AU
Status: Outer (Cold)
Composition: Hydrogen/Helium Atmosphere
Physical Data
Mass: 707.8
Radius: 12.5
Gravity: 4.53 G
Time & Orbit
Eccentricity (e): 0.191
Orbit Range: 3.44 AU - 5.06 AU
Year: 5843 Days
Day: 6.2 Hours
Environment
Temp: -217 °C
Axial Tilt: 179.8 °
Atmosphere: Hâ‚‚, CHâ‚„
Biome: None
Satellites (79)
Outer Limit: 35,083,786 km
- M1: 156,479 km (0.109 R)
- M2: 477,217 km (0.068 R)
- M3: 650,900 km (0.069 R)
- M4: 779,854 km (0.045 R)
- M5: 961,615 km (0.05 R)
- M6: 1,205,609 km (0.112 R)
- M7: 1,368,671 km (0.083 R)
- M8: 1,574,368 km (0.038 R)
- M9: 2,094,370 km (0.115 R)
- M10: 2,313,082 km (0.062 R)
- M11: 2,772,946 km (0.057 R)
- M12: 3,103,109 km (0.104 R)
- M13: 3,284,571 km (0.075 R)
- M14: 4,119,177 km (0.119 R)
- M15: 4,445,600 km (0.051 R)
- M16: 4,547,626 km (0.077 R)
- M17: 4,728,340 km (0.114 R)
- M18: 4,964,106 km (0.1 R)
- M19: 5,150,355 km (0.073 R)
- M20: 5,393,003 km (0.114 R)
- M21: 5,806,043 km (0.112 R)
- M22: 6,172,408 km (0.112 R)
- M23: 6,517,231 km (0.081 R)
- M24: 6,633,618 km (0.085 R)
- M25: 6,780,075 km (0.077 R)
- M26: 8,556,400 km (0.099 R)
- M27: 8,651,993 km (0.095 R)
- M28: 9,070,568 km (0.101 R)
- M29: 9,233,480 km (0.116 R)
- M30: 9,397,140 km (0.047 R)
- M31: 9,495,874 km (0.113 R)
- M32: 9,727,602 km (0.106 R)
- M33: 10,028,293 km (0.085 R)
- M34: 10,264,359 km (0.066 R)
- M35: 10,400,044 km (0.119 R)
- M36: 10,536,328 km (0.073 R)
- M37: 11,577,379 km (0.111 R)
- M38: 11,754,054 km (0.05 R)
- M39: 13,644,523 km (0.076 R)
- M40: 13,906,319 km (0.082 R)
- M41: 14,510,694 km (0.076 R)
- M42: 15,008,107 km (0.045 R)
- M43: 15,123,597 km (0.075 R)
- M44: 15,355,623 km (0.071 R)
- M45: 16,256,202 km (0.091 R)
- M46: 16,454,270 km (0.113 R)
- M47: 17,133,594 km (0.064 R)
- M48: 17,375,493 km (0.107 R)
- M49: 18,685,073 km (0.083 R)
- M50: 18,851,127 km (0.099 R)
- M51: 18,934,154 km (0.052 R)
- M52: 20,238,647 km (0.08 R)
- M53: 21,095,693 km (0.064 R)
- M54: 21,702,612 km (0.103 R)
- M55: 22,491,441 km (0.119 R)
- M56: 22,978,083 km (0.09 R)
- M57: 23,066,944 km (0.089 R)
- M58: 23,736,993 km (0.12 R)
- M59: 24,232,611 km (0.114 R)
- M60: 24,413,625 km (0.096 R)
- M61: 25,785,587 km (0.113 R)
- M62: 26,202,067 km (0.113 R)
- M63: 26,481,067 km (0.111 R)
- M64: 26,901,288 km (0.099 R)
- M65: 27,323,602 km (0.105 R)
- M66: 28,317,830 km (0.115 R)
- M67: 28,413,124 km (0.052 R)
- M68: 29,179,364 km (0.116 R)
- M69: 30,049,575 km (0.074 R)
- M70: 30,195,433 km (0.118 R)
- M71: 30,585,584 km (0.104 R)
- M72: 30,732,339 km (0.045 R)
- M73: 31,173,952 km (0.063 R)
- M74: 31,321,605 km (0.077 R)
- M75: 32,113,128 km (0.068 R)
- M76: 32,861,117 km (0.053 R)
- M77: 33,413,283 km (0.083 R)
- M78: 33,665,355 km (0.11 R)
- M79: 33,766,334 km (0.113 R)
Planet 4 - Gas Giant
Semi-Major Axis: 4.31 AU
Status: Outer (Cold)
Composition: Hydrogen/Helium Atmosphere
Physical Data
Mass: 487.6
Radius: 14.6
Gravity: 2.29 G
Time & Orbit
Eccentricity (e): 0.119
Orbit Range: 3.8 AU - 4.82 AU
Year: 5967 Days
Day: 9.9 Hours
Environment
Temp: -231 °C
Axial Tilt: 10.4 °
Atmosphere: Hâ‚‚, CHâ‚„
Biome: None
Satellites (76)
Outer Limit: 35,083,786 km
- M1: 192,233 km (0.055 R)
- M2: 413,788 km (0.03 R)
- M3: 889,509 km (0.116 R)
- M4: 1,022,950 km (0.041 R)
- M5: 1,236,875 km (0.064 R)
- M6: 1,372,860 km (0.078 R)
- M7: 1,710,502 km (0.068 R)
- M8: 1,898,247 km (0.052 R)
- M9: 2,370,079 km (0.077 R)
- M10: 2,503,371 km (0.037 R)
- M11: 3,271,705 km (0.111 R)
- M12: 3,421,004 km (0.118 R)
- M13: 3,529,163 km (0.03 R)
- M14: 3,660,361 km (0.03 R)
- M15: 3,793,353 km (0.087 R)
- M16: 3,927,991 km (0.081 R)
- M17: 4,364,817 km (0.104 R)
- M18: 4,624,968 km (0.081 R)
- M19: 4,939,123 km (0.068 R)
- M20: 5,235,477 km (0.104 R)
- M21: 5,690,853 km (0.103 R)
- M22: 6,265,009 km (0.076 R)
- M23: 6,613,123 km (0.115 R)
- M24: 7,780,884 km (0.089 R)
- M25: 8,565,076 km (0.073 R)
- M26: 8,683,558 km (0.06 R)
- M27: 9,496,622 km (0.119 R)
- M28: 9,711,595 km (0.078 R)
- M29: 10,052,379 km (0.09 R)
- M30: 10,460,332 km (0.115 R)
- M31: 10,714,199 km (0.102 R)
- M32: 11,066,502 km (0.096 R)
- M33: 11,163,292 km (0.068 R)
- M34: 11,782,627 km (0.104 R)
- M35: 12,146,300 km (0.103 R)
- M36: 12,279,592 km (0.117 R)
- M37: 12,513,862 km (0.057 R)
- M38: 12,749,479 km (0.101 R)
- M39: 13,500,161 km (0.1 R)
- M40: 13,915,594 km (0.115 R)
- M41: 14,089,875 km (0.096 R)
- M42: 14,194,893 km (0.117 R)
- M43: 14,794,631 km (0.063 R)
- M44: 15,438,799 km (0.117 R)
- M45: 15,800,527 km (0.106 R)
- M46: 16,165,247 km (0.103 R)
- M47: 16,458,907 km (0.119 R)
- M48: 16,680,462 km (0.119 R)
- M49: 16,902,914 km (0.036 R)
- M50: 17,014,514 km (0.104 R)
- M51: 17,425,758 km (0.077 R)
- M52: 17,726,899 km (0.098 R)
- M53: 18,564,198 km (0.066 R)
- M54: 18,794,728 km (0.095 R)
- M55: 18,948,964 km (0.041 R)
- M56: 19,570,244 km (0.107 R)
- M57: 20,356,231 km (0.096 R)
- M58: 20,832,850 km (0.112 R)
- M59: 21,756,467 km (0.037 R)
- M60: 21,918,482 km (0.118 R)
- M61: 22,121,636 km (0.079 R)
- M62: 22,243,707 km (0.076 R)
- M63: 22,529,589 km (0.075 R)
- M64: 22,734,538 km (0.116 R)
- M65: 23,935,659 km (0.085 R)
- M66: 24,186,685 km (0.108 R)
- M67: 24,607,055 km (0.045 R)
- M68: 24,818,137 km (0.086 R)
- M69: 25,242,247 km (0.11 R)
- M70: 26,054,564 km (0.099 R)
- M71: 26,226,601 km (0.103 R)
- M72: 26,658,490 km (0.057 R)
- M73: 27,179,988 km (0.034 R)
- M74: 28,144,595 km (0.057 R)
- M75: 28,719,949 km (0.104 R)
- M76: 28,942,251 km (0.112 R)
Planet 5 - Gas Giant
Semi-Major Axis: 4.97 AU
Status: Outer (Cold)
Composition: Hydrogen/Helium Atmosphere
Physical Data
Mass: 574.6
Radius: 12.8
Gravity: 3.51 G
Time & Orbit
Eccentricity (e): 0.135
Orbit Range: 4.3 AU - 5.64 AU
Year: 7389 Days
Day: 14.5 Hours
Environment
Temp: -231 °C
Axial Tilt: 11.9 °
Atmosphere: Hâ‚‚, CHâ‚„
Biome: None
Satellites (79)
Outer Limit: 35,083,786 km
- M1: 172,187 km (0.118 R)
- M2: 304,581 km (0.065 R)
- M3: 487,240 km (0.112 R)
- M4: 582,833 km (0.042 R)
- M5: 673,041 km (0.088 R)
- M6: 884,722 km (0.077 R)
- M7: 1,086,978 km (0.067 R)
- M8: 1,168,958 km (0.064 R)
- M9: 1,322,445 km (0.117 R)
- M10: 1,593,816 km (0.09 R)
- M11: 1,903,334 km (0.062 R)
- M12: 2,232,449 km (0.067 R)
- M13: 2,714,902 km (0.058 R)
- M14: 2,806,157 km (0.106 R)
- M15: 3,110,140 km (0.101 R)
- M16: 3,205,882 km (0.102 R)
- M17: 3,826,564 km (0.102 R)
- M18: 4,403,563 km (0.051 R)
- M19: 4,511,423 km (0.058 R)
- M20: 4,620,330 km (0.082 R)
- M21: 4,924,014 km (0.114 R)
- M22: 5,348,872 km (0.087 R)
- M23: 5,874,559 km (0.071 R)
- M24: 6,173,755 km (0.112 R)
- M25: 6,570,189 km (0.069 R)
- M26: 6,787,106 km (0.074 R)
- M27: 7,940,206 km (0.103 R)
- M28: 8,204,695 km (0.114 R)
- M29: 9,710,996 km (0.071 R)
- M30: 9,816,762 km (0.12 R)
- M31: 10,065,094 km (0.107 R)
- M32: 11,153,120 km (0.042 R)
- M33: 11,375,272 km (0.108 R)
- M34: 11,673,720 km (0.107 R)
- M35: 12,088,256 km (0.12 R)
- M36: 12,469,282 km (0.102 R)
- M37: 12,622,919 km (0.097 R)
- M38: 12,777,005 km (0.098 R)
- M39: 13,715,432 km (0.093 R)
- M40: 14,232,891 km (0.106 R)
- M41: 14,433,651 km (0.059 R)
- M42: 14,919,396 km (0.064 R)
- M43: 15,082,457 km (0.054 R)
- M44: 15,287,107 km (0.117 R)
- M45: 15,616,671 km (0.089 R)
- M46: 15,740,688 km (0.08 R)
- M47: 16,366,456 km (0.096 R)
- M48: 17,298,899 km (0.054 R)
- M49: 17,384,619 km (0.038 R)
- M50: 17,814,862 km (0.063 R)
- M51: 18,423,127 km (0.091 R)
- M52: 19,126,686 km (0.109 R)
- M53: 19,348,241 km (0.089 R)
- M54: 19,660,152 km (0.102 R)
- M55: 21,106,464 km (0.101 R)
- M56: 21,611,656 km (0.111 R)
- M57: 21,935,087 km (0.065 R)
- M58: 22,446,712 km (0.111 R)
- M59: 23,245,116 km (0.064 R)
- M60: 23,387,084 km (0.108 R)
- M61: 25,015,008 km (0.115 R)
- M62: 25,940,720 km (0.097 R)
- M63: 26,038,706 km (0.06 R)
- M64: 27,225,466 km (0.114 R)
- M65: 27,325,248 km (0.099 R)
- M66: 27,675,008 km (0.057 R)
- M67: 29,242,345 km (0.032 R)
- M68: 29,446,695 km (0.042 R)
- M69: 29,549,020 km (0.106 R)
- M70: 30,423,719 km (0.084 R)
- M71: 30,682,673 km (0.066 R)
- M72: 32,093,231 km (0.117 R)
- M73: 33,578,439 km (0.091 R)
- M74: 33,738,957 km (0.093 R)
- M75: 34,060,593 km (0.101 R)
- M76: 34,168,004 km (0.085 R)
- M77: 35,575,122 km (0.116 R)
- M78: 36,670,477 km (0.09 R)
- M79: 36,835,783 km (0.11 R)
Planet 6 - Ice Giant
Semi-Major Axis: 5.89 AU
Status: Outer (Cold)
Composition: Methane/Ammonia Ices
Physical Data
Mass: 295.6
Radius: 6.9
Gravity: 6.21 G
Time & Orbit
Eccentricity (e): 0.065
Orbit Range: 5.51 AU - 6.27 AU
Year: 9532 Days
Day: 23.3 Hours
Environment
Temp: -228 °C
Axial Tilt: 33.1 °
Atmosphere: Hâ‚‚, CHâ‚„
Biome: None
Satellites (71)
Outer Limit: 35,083,786 km
- M1: 91,554 km (0.118 R)
- M2: 286,181 km (0.089 R)
- M3: 549,623 km (0.091 R)
- M4: 706,401 km (0.096 R)
- M5: 776,114 km (0.101 R)
- M6: 1,110,615 km (0.072 R)
- M7: 1,504,356 km (0.115 R)
- M8: 1,998,179 km (0.077 R)
- M9: 2,159,744 km (0.084 R)
- M10: 2,346,742 km (0.11 R)
- M11: 2,431,564 km (0.098 R)
- M12: 2,582,358 km (0.088 R)
- M13: 2,626,041 km (0.076 R)
- M14: 2,692,014 km (0.05 R)
- M15: 2,893,223 km (0.066 R)
- M16: 4,174,977 km (0.104 R)
- M17: 4,752,425 km (0.111 R)
- M18: 5,551,427 km (0.103 R)
- M19: 5,923,028 km (0.112 R)
- M20: 6,480,580 km (0.094 R)
- M21: 6,932,665 km (0.075 R)
- M22: 7,054,886 km (0.116 R)
- M23: 7,270,606 km (0.109 R)
- M24: 8,090,552 km (0.066 R)
- M25: 8,446,296 km (0.074 R)
- M26: 8,708,242 km (0.088 R)
- M27: 9,885,427 km (0.114 R)
- M28: 10,439,987 km (0.082 R)
- M29: 10,933,660 km (0.113 R)
- M30: 11,111,681 km (0.069 R)
- M31: 11,183,189 km (0.081 R)
- M32: 11,688,231 km (0.078 R)
- M33: 12,422,308 km (0.09 R)
- M34: 12,832,505 km (0.06 R)
- M35: 13,095,798 km (0.085 R)
- M36: 13,209,193 km (0.081 R)
- M37: 13,513,325 km (0.115 R)
- M38: 13,666,214 km (0.113 R)
- M39: 13,819,552 km (0.077 R)
- M40: 14,870,328 km (0.064 R)
- M41: 15,464,979 km (0.072 R)
- M42: 15,906,143 km (0.052 R)
- M43: 16,229,574 km (0.065 R)
- M44: 16,882,868 km (0.116 R)
- M45: 18,680,885 km (0.1 R)
- M46: 18,851,276 km (0.073 R)
- M47: 19,193,407 km (0.112 R)
- M48: 20,276,047 km (0.113 R)
- M49: 20,670,686 km (0.108 R)
- M50: 20,802,781 km (0.109 R)
- M51: 21,378,433 km (0.05 R)
- M52: 22,636,103 km (0.053 R)
- M53: 22,681,431 km (0.109 R)
- M54: 22,726,759 km (0.116 R)
- M55: 22,817,714 km (0.119 R)
- M56: 24,706,986 km (0.078 R)
- M57: 24,940,807 km (0.102 R)
- M58: 25,504,941 km (0.111 R)
- M59: 25,646,610 km (0.113 R)
- M60: 27,949,071 km (0.1 R)
- M61: 28,927,890 km (0.064 R)
- M62: 29,669,297 km (0.09 R)
- M63: 30,517,068 km (0.063 R)
- M64: 30,567,183 km (0.074 R)
- M65: 30,818,209 km (0.12 R)
- M66: 31,120,396 km (0.087 R)
- M67: 32,032,644 km (0.072 R)
- M68: 32,134,520 km (0.115 R)
- M69: 33,365,711 km (0.083 R)
- M70: 34,664,669 km (0.1 R)
- M71: 34,873,956 km (0.106 R)
Kuiper Belt
Range: 30 - 45 AU
Composition
Type: Dwarf Planets/TNOs (Ices)
Reservoir of dwarf planets and volatile ices.
Outer System
Oort Cloud
Range: 338 - 16,618 AU
Composition
Type: Cometary Reservoir
System's final boundary, containing trillions of icy planetesimals.