G8V Star System Generated (Seed: 1766158377)

Star Details

Spectral Class: G9V

Temperature: 5,240 K

Mass: 0.91 sol

Luminosity: 0.72 lux

Habitable Zone (HZ)

Inner Boundary: 0.81 AU

Outer Boundary: 1.17 AU

Physical Limits

Snow Line: 4.07 AU

Max System Radius: 19.1 AU

Planetary System (8 Planets)

Planet 1 - Terrestrial

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.25

Radius: 1.38

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 0.96 AU - 1.5 AU

Year: 522 Days

Day: 12.2 Hours

Environment

Temp: -42 °C

Axial Tilt: 27.6 °

Atmosphere: Thin Nâ‚‚/CHâ‚„

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.82

Radius: 1.27

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 1.28 AU - 2.02 AU

Year: 812 Days

Day: 17.1 Hours

Environment

Temp: -65 °C

Axial Tilt: 97.6 °

Atmosphere: Thin Nâ‚‚/CHâ‚„

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 4.06 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.31

Radius: 1.4

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 3.66 AU - 4.46 AU

Year: 3132 Days

Day: 39.9 Hours

Environment

Temp: -130 °C

Axial Tilt: 29.2 °

Atmosphere: Thin Nâ‚‚/CHâ‚„

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 8.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 836.4

Radius: 11.3

Gravity: 6.55 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 6.51 AU - 10.13 AU

Year: 9189 Days

Day: 8.6 Hours

Environment

Temp: -182 °C

Axial Tilt: 34 °

Atmosphere: Hâ‚‚, CHâ‚„

Biome: None

Satellites (83)

Outer Limit: 53,046,092 km

  • M1: 168,746 km (0.12 R)
  • M2: 247,584 km (0.062 R)
  • M3: 342,878 km (0.116 R)
  • M4: 571,015 km (0.089 R)
  • M5: 1,092,812 km (0.09 R)
  • M6: 1,621,791 km (0.068 R)
  • M7: 1,974,542 km (0.038 R)
  • M8: 2,588,791 km (0.076 R)
  • M9: 2,861,658 km (0.097 R)
  • M10: 3,317,931 km (0.117 R)
  • M11: 3,406,044 km (0.11 R)
  • M12: 3,554,595 km (0.064 R)
  • M13: 4,458,914 km (0.104 R)
  • M14: 4,687,649 km (0.086 R)
  • M15: 5,259,113 km (0.096 R)
  • M16: 5,888,322 km (0.087 R)
  • M17: 6,212,052 km (0.117 R)
  • M18: 6,284,756 km (0.082 R)
  • M19: 6,689,718 km (0.082 R)
  • M20: 7,332,390 km (0.112 R)
  • M21: 7,486,476 km (0.059 R)
  • M22: 7,876,477 km (0.098 R)
  • M23: 7,994,809 km (0.104 R)
  • M24: 8,073,947 km (0.094 R)
  • M25: 8,514,363 km (0.108 R)
  • M26: 8,880,429 km (0.074 R)
  • M27: 9,924,472 km (0.075 R)
  • M28: 10,223,668 km (0.03 R)
  • M29: 10,352,921 km (0.115 R)
  • M30: 11,095,076 km (0.104 R)
  • M31: 11,854,584 km (0.106 R)
  • M32: 12,035,747 km (0.112 R)
  • M33: 13,095,050 km (0.064 R)
  • M34: 13,376,294 km (0.059 R)
  • M35: 14,666,725 km (0.071 R)
  • M36: 15,697,604 km (0.088 R)
  • M37: 16,196,812 km (0.098 R)
  • M38: 17,777,014 km (0.029 R)
  • M39: 18,140,687 km (0.106 R)
  • M40: 18,611,920 km (0.113 R)
  • M41: 18,822,554 km (0.054 R)
  • M42: 19,140,150 km (0.043 R)
  • M43: 19,406,135 km (0.119 R)
  • M44: 19,512,798 km (0.05 R)
  • M45: 19,619,761 km (0.083 R)
  • M46: 20,645,254 km (0.039 R)
  • M47: 20,808,765 km (0.09 R)
  • M48: 21,743,602 km (0.076 R)
  • M49: 22,411,706 km (0.077 R)
  • M50: 22,860,948 km (0.105 R)
  • M51: 23,597,119 km (0.085 R)
  • M52: 24,111,437 km (0.07 R)
  • M53: 24,976,711 km (0.097 R)
  • M54: 25,384,066 km (0.06 R)
  • M55: 25,500,752 km (0.075 R)
  • M56: 28,114,825 km (0.066 R)
  • M57: 28,235,701 km (0.074 R)
  • M58: 29,576,247 km (0.072 R)
  • M59: 29,945,455 km (0.032 R)
  • M60: 31,625,887 km (0.104 R)
  • M61: 32,636,122 km (0.12 R)
  • M62: 33,336,689 km (0.099 R)
  • M63: 33,592,800 km (0.091 R)
  • M64: 34,171,146 km (0.084 R)
  • M65: 34,493,978 km (0.053 R)
  • M66: 34,623,380 km (0.084 R)
  • M67: 34,817,708 km (0.088 R)
  • M68: 36,517,588 km (0.109 R)
  • M69: 37,910,195 km (0.058 R)
  • M70: 38,445,306 km (0.089 R)
  • M71: 39,861,849 km (0.1 R)
  • M72: 40,065,601 km (0.088 R)
  • M73: 40,542,369 km (0.095 R)
  • M74: 40,678,952 km (0.117 R)
  • M75: 41,226,780 km (0.047 R)
  • M76: 42,191,387 km (0.077 R)
  • M77: 42,745,796 km (0.069 R)
  • M78: 43,233,037 km (0.063 R)
  • M79: 43,652,060 km (0.045 R)
  • M80: 43,792,084 km (0.116 R)
  • M81: 45,909,642 km (0.108 R)
  • M82: 46,694,582 km (0.104 R)
  • M83: 47,988,304 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 9.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 111.3

Radius: 12.4

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 8.63 AU - 10.07 AU

Year: 10947 Days

Day: 12.3 Hours

Environment

Temp: -173 °C

Axial Tilt: 1.3 °

Atmosphere: Hâ‚‚, CHâ‚„

Biome: None

Satellites (78)

Outer Limit: 53,046,092 km

  • M1: 155,133 km (0.054 R)
  • M2: 238,309 km (0.109 R)
  • M3: 550,071 km (0.098 R)
  • M4: 644,168 km (0.085 R)
  • M5: 838,795 km (0.074 R)
  • M6: 1,001,857 km (0.081 R)
  • M7: 1,434,195 km (0.053 R)
  • M8: 1,823,897 km (0.099 R)
  • M9: 2,142,242 km (0.088 R)
  • M10: 2,299,319 km (0.12 R)
  • M11: 2,442,335 km (0.096 R)
  • M12: 3,122,556 km (0.056 R)
  • M13: 3,301,625 km (0.099 R)
  • M14: 3,422,799 km (0.118 R)
  • M15: 3,732,766 km (0.09 R)
  • M16: 4,225,691 km (0.097 R)
  • M17: 4,424,207 km (0.062 R)
  • M18: 4,693,932 km (0.037 R)
  • M19: 4,968,893 km (0.114 R)
  • M20: 5,155,292 km (0.111 R)
  • M21: 5,367,721 km (0.079 R)
  • M22: 5,511,036 km (0.097 R)
  • M23: 5,679,782 km (0.099 R)
  • M24: 6,047,344 km (0.117 R)
  • M25: 6,447,967 km (0.043 R)
  • M26: 6,986,819 km (0.101 R)
  • M27: 7,274,944 km (0.118 R)
  • M28: 7,917,168 km (0.111 R)
  • M29: 8,135,282 km (0.09 R)
  • M30: 8,245,236 km (0.071 R)
  • M31: 8,466,342 km (0.096 R)
  • M32: 8,914,537 km (0.083 R)
  • M33: 8,999,509 km (0.108 R)
  • M34: 9,922,079 km (0.109 R)
  • M35: 10,663,635 km (0.055 R)
  • M36: 10,874,568 km (0.101 R)
  • M37: 11,577,230 km (0.102 R)
  • M38: 11,669,980 km (0.074 R)
  • M39: 12,357,682 km (0.08 R)
  • M40: 12,547,521 km (0.074 R)
  • M41: 13,058,548 km (0.12 R)
  • M42: 13,284,291 km (0.041 R)
  • M43: 13,772,429 km (0.086 R)
  • M44: 15,136,313 km (0.084 R)
  • M45: 15,305,657 km (0.077 R)
  • M46: 15,509,709 km (0.114 R)
  • M47: 16,126,950 km (0.113 R)
  • M48: 16,822,430 km (0.1 R)
  • M49: 17,776,865 km (0.12 R)
  • M50: 18,062,896 km (0.097 R)
  • M51: 18,531,287 km (0.062 R)
  • M52: 18,712,450 km (0.108 R)
  • M53: 19,222,878 km (0.069 R)
  • M54: 19,369,484 km (0.08 R)
  • M55: 19,700,843 km (0.1 R)
  • M56: 19,811,844 km (0.118 R)
  • M57: 20,220,097 km (0.074 R)
  • M58: 20,444,045 km (0.107 R)
  • M59: 20,932,033 km (0.103 R)
  • M60: 21,196,373 km (0.094 R)
  • M61: 21,690,345 km (0.105 R)
  • M62: 22,111,164 km (0.103 R)
  • M63: 23,038,970 km (0.1 R)
  • M64: 23,155,806 km (0.056 R)
  • M65: 23,311,836 km (0.067 R)
  • M66: 23,390,076 km (0.083 R)
  • M67: 23,507,510 km (0.071 R)
  • M68: 24,137,317 km (0.106 R)
  • M69: 24,414,522 km (0.071 R)
  • M70: 24,573,395 km (0.12 R)
  • M71: 25,534,113 km (0.109 R)
  • M72: 25,655,137 km (0.089 R)
  • M73: 25,857,094 km (0.043 R)
  • M74: 26,019,109 km (0.089 R)
  • M75: 26,140,732 km (0.108 R)
  • M76: 26,752,288 km (0.081 R)
  • M77: 26,875,108 km (0.102 R)
  • M78: 27,574,777 km (0.039 R)

Planet 6 - Gas Giant

Semi-Major Axis: 10.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 499.7

Radius: 14.5

Gravity: 2.38 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 10.41 AU - 11.15 AU

Year: 13552 Days

Day: 6.4 Hours

Environment

Temp: -192 °C

Axial Tilt: 8 °

Atmosphere: Hâ‚‚, CHâ‚„

Biome: None

Satellites (70)

Outer Limit: 53,046,092 km

  • M1: 249,529 km (0.117 R)
  • M2: 617,540 km (0.081 R)
  • M3: 822,938 km (0.059 R)
  • M4: 1,262,008 km (0.112 R)
  • M5: 1,485,357 km (0.116 R)
  • M6: 1,771,239 km (0.101 R)
  • M7: 1,946,567 km (0.072 R)
  • M8: 2,535,534 km (0.1 R)
  • M9: 2,763,372 km (0.084 R)
  • M10: 3,518,991 km (0.032 R)
  • M11: 4,645,313 km (0.087 R)
  • M12: 4,749,882 km (0.091 R)
  • M13: 4,996,868 km (0.1 R)
  • M14: 5,577,308 km (0.076 R)
  • M15: 5,688,609 km (0.071 R)
  • M16: 5,800,657 km (0.111 R)
  • M17: 6,217,736 km (0.083 R)
  • M18: 7,486,476 km (0.107 R)
  • M19: 7,650,734 km (0.114 R)
  • M20: 8,024,430 km (0.117 R)
  • M21: 8,192,578 km (0.119 R)
  • M22: 8,963,456 km (0.088 R)
  • M23: 9,802,400 km (0.102 R)
  • M24: 10,072,574 km (0.086 R)
  • M25: 10,208,708 km (0.079 R)
  • M26: 10,390,919 km (0.097 R)
  • M27: 10,528,399 km (0.116 R)
  • M28: 11,318,874 km (0.118 R)
  • M29: 11,555,089 km (0.089 R)
  • M30: 12,224,988 km (0.053 R)
  • M31: 12,613,494 km (0.075 R)
  • M32: 12,956,821 km (0.063 R)
  • M33: 13,303,290 km (0.089 R)
  • M34: 14,309,784 km (0.078 R)
  • M35: 14,977,290 km (0.084 R)
  • M36: 15,445,382 km (0.057 R)
  • M37: 16,129,942 km (0.108 R)
  • M38: 16,342,670 km (0.11 R)
  • M39: 17,148,404 km (0.05 R)
  • M40: 18,298,213 km (0.096 R)
  • M41: 18,742,818 km (0.09 R)
  • M42: 18,966,467 km (0.057 R)
  • M43: 19,191,013 km (0.111 R)
  • M44: 19,360,059 km (0.109 R)
  • M45: 19,926,885 km (0.11 R)
  • M46: 20,384,355 km (0.116 R)
  • M47: 22,426,217 km (0.062 R)
  • M48: 25,454,526 km (0.086 R)
  • M49: 26,013,125 km (0.107 R)
  • M50: 26,764,405 km (0.044 R)
  • M51: 26,890,217 km (0.086 R)
  • M52: 28,224,032 km (0.11 R)
  • M53: 29,319,537 km (0.076 R)
  • M54: 29,644,314 km (0.111 R)
  • M55: 29,905,063 km (0.064 R)
  • M56: 35,277,571 km (0.05 R)
  • M57: 36,178,450 km (0.042 R)
  • M58: 37,086,808 km (0.064 R)
  • M59: 37,861,276 km (0.102 R)
  • M60: 38,498,862 km (0.118 R)
  • M61: 40,000,526 km (0.072 R)
  • M62: 41,886,207 km (0.054 R)
  • M63: 42,545,634 km (0.094 R)
  • M64: 43,578,309 km (0.096 R)
  • M65: 46,422,762 km (0.072 R)
  • M66: 47,029,232 km (0.065 R)
  • M67: 48,403,289 km (0.117 R)
  • M68: 48,633,669 km (0.028 R)
  • M69: 49,713,168 km (0.112 R)
  • M70: 50,333,700 km (0.098 R)

Planet 7 - Ice Giant

Semi-Major Axis: 11.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 52

Radius: 3.9

Gravity: 3.42 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 10.26 AU - 13.19 AU

Year: 15362 Days

Day: 21.1 Hours

Environment

Temp: -184 °C

Axial Tilt: 38 °

Atmosphere: Hâ‚‚, CHâ‚„

Biome: None

Satellites (60)

Outer Limit: 53,046,092 km

  • M1: 174,880 km (0.114 R)
  • M2: 210,185 km (0.031 R)
  • M3: 240,404 km (0.085 R)
  • M4: 350,059 km (0.076 R)
  • M5: 693,536 km (0.029 R)
  • M6: 927,208 km (0.085 R)
  • M7: 979,417 km (0.112 R)
  • M8: 1,073,066 km (0.112 R)
  • M9: 1,212,042 km (0.046 R)
  • M10: 1,254,827 km (0.063 R)
  • M11: 1,431,203 km (0.097 R)
  • M12: 1,537,866 km (0.04 R)
  • M13: 2,074,174 km (0.06 R)
  • M14: 3,299,531 km (0.1 R)
  • M15: 3,769,866 km (0.077 R)
  • M16: 4,304,529 km (0.087 R)
  • M17: 4,749,284 km (0.117 R)
  • M18: 4,839,940 km (0.108 R)
  • M19: 4,976,972 km (0.062 R)
  • M20: 5,301,898 km (0.073 R)
  • M21: 5,898,943 km (0.036 R)
  • M22: 6,193,053 km (0.09 R)
  • M23: 7,129,685 km (0.055 R)
  • M24: 7,601,068 km (0.093 R)
  • M25: 8,190,932 km (0.077 R)
  • M26: 8,656,630 km (0.102 R)
  • M27: 10,191,953 km (0.102 R)
  • M28: 10,514,935 km (0.04 R)
  • M29: 10,751,898 km (0.085 R)
  • M30: 11,080,565 km (0.102 R)
  • M31: 11,747,921 km (0.077 R)
  • M32: 11,962,893 km (0.119 R)
  • M33: 11,993,710 km (0.097 R)
  • M34: 13,216,523 km (0.101 R)
  • M35: 13,376,144 km (0.066 R)
  • M36: 14,544,055 km (0.068 R)
  • M37: 14,675,850 km (0.107 R)
  • M38: 15,006,910 km (0.12 R)
  • M39: 15,106,842 km (0.119 R)
  • M40: 15,643,001 km (0.119 R)
  • M41: 15,744,129 km (0.095 R)
  • M42: 16,151,334 km (0.077 R)
  • M43: 16,699,461 km (0.108 R)
  • M44: 16,768,425 km (0.1 R)
  • M45: 16,802,833 km (0.078 R)
  • M46: 17,673,343 km (0.115 R)
  • M47: 18,202,471 km (0.089 R)
  • M48: 19,168,274 km (0.088 R)
  • M49: 20,777,349 km (0.094 R)
  • M50: 20,814,449 km (0.107 R)
  • M51: 20,925,750 km (0.082 R)
  • M52: 21,148,950 km (0.038 R)
  • M53: 22,657,645 km (0.116 R)
  • M54: 22,695,792 km (0.072 R)
  • M55: 23,078,613 km (0.065 R)
  • M56: 24,513,257 km (0.089 R)
  • M57: 25,063,627 km (0.111 R)
  • M58: 25,578,244 km (0.087 R)
  • M59: 26,256,521 km (0.095 R)
  • M60: 26,658,341 km (0.075 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 175.1

Radius: 3.6

Gravity: 13.51 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 13.77 AU - 16.93 AU

Year: 23027 Days

Day: 23.5 Hours

Environment

Temp: -188 °C

Axial Tilt: 15.4 °

Atmosphere: Hâ‚‚, CHâ‚„

Biome: None

Satellites (93)

Outer Limit: 53,046,092 km

  • M1: 82,728 km (0.099 R)
  • M2: 183,557 km (0.11 R)
  • M3: 279,898 km (0.12 R)
  • M4: 348,114 km (0.07 R)
  • M5: 391,797 km (0.097 R)
  • M6: 437,424 km (0.108 R)
  • M7: 804,388 km (0.085 R)
  • M8: 843,283 km (0.106 R)
  • M9: 1,047,484 km (0.073 R)
  • M10: 1,289,234 km (0.052 R)
  • M11: 2,193,105 km (0.095 R)
  • M12: 2,443,532 km (0.118 R)
  • M13: 2,500,379 km (0.086 R)
  • M14: 3,216,653 km (0.109 R)
  • M15: 3,468,726 km (0.097 R)
  • M16: 3,694,469 km (0.092 R)
  • M17: 3,759,843 km (0.058 R)
  • M18: 3,924,850 km (0.108 R)
  • M19: 5,036,362 km (0.098 R)
  • M20: 5,402,428 km (0.101 R)
  • M21: 6,082,649 km (0.074 R)
  • M22: 7,193,414 km (0.054 R)
  • M23: 7,855,534 km (0.102 R)
  • M24: 8,666,803 km (0.118 R)
  • M25: 8,928,599 km (0.093 R)
  • M26: 9,104,377 km (0.028 R)
  • M27: 9,864,783 km (0.111 R)
  • M28: 10,878,608 km (0.116 R)
  • M29: 11,066,502 km (0.091 R)
  • M30: 11,540,728 km (0.11 R)
  • M31: 11,636,470 km (0.115 R)
  • M32: 12,313,401 km (0.078 R)
  • M33: 12,509,224 km (0.085 R)
  • M34: 14,061,003 km (0.105 R)
  • M35: 14,574,423 km (0.057 R)
  • M36: 14,626,034 km (0.095 R)
  • M37: 16,097,628 km (0.113 R)
  • M38: 16,526,675 km (0.085 R)
  • M39: 18,224,162 km (0.086 R)
  • M40: 18,279,962 km (0.071 R)
  • M41: 18,559,112 km (0.113 R)
  • M42: 18,727,409 km (0.115 R)
  • M43: 19,348,540 km (0.114 R)
  • M44: 19,576,078 km (0.117 R)
  • M45: 20,148,888 km (0.04 R)
  • M46: 20,206,334 km (0.12 R)
  • M47: 20,552,952 km (0.065 R)
  • M48: 21,369,457 km (0.117 R)
  • M49: 21,428,100 km (0.113 R)
  • M50: 21,663,567 km (0.082 R)
  • M51: 21,781,600 km (0.117 R)
  • M52: 22,374,905 km (0.111 R)
  • M53: 22,853,319 km (0.104 R)
  • M54: 24,125,349 km (0.113 R)
  • M55: 24,677,515 km (0.104 R)
  • M56: 26,864,038 km (0.11 R)
  • M57: 27,308,792 km (0.12 R)
  • M58: 27,691,912 km (0.072 R)
  • M59: 27,883,996 km (0.063 R)
  • M60: 29,699,366 km (0.118 R)
  • M61: 29,830,414 km (0.088 R)
  • M62: 30,159,080 km (0.081 R)
  • M63: 30,555,066 km (0.087 R)
  • M64: 30,621,188 km (0.034 R)
  • M65: 32,088,743 km (0.048 R)
  • M66: 32,492,957 km (0.104 R)
  • M67: 33,238,253 km (0.116 R)
  • M68: 33,510,671 km (0.086 R)
  • M69: 34,126,416 km (0.027 R)
  • M70: 34,195,081 km (0.093 R)
  • M71: 34,332,562 km (0.065 R)
  • M72: 34,815,015 km (0.109 R)
  • M73: 34,884,129 km (0.116 R)
  • M74: 35,022,358 km (0.076 R)
  • M75: 35,508,102 km (0.11 R)
  • M76: 35,716,791 km (0.04 R)
  • M77: 36,626,346 km (0.067 R)
  • M78: 37,048,810 km (0.098 R)
  • M79: 38,254,270 km (0.076 R)
  • M80: 38,754,376 km (0.06 R)
  • M81: 39,833,126 km (0.104 R)
  • M82: 40,267,558 km (0.034 R)
  • M83: 40,485,223 km (0.098 R)
  • M84: 40,776,191 km (0.073 R)
  • M85: 43,351,369 km (0.108 R)
  • M86: 45,978,606 km (0.109 R)
  • M87: 47,579,453 km (0.115 R)
  • M88: 49,198,551 km (0.107 R)
  • M89: 49,509,116 km (0.091 R)
  • M90: 50,209,982 km (0.113 R)
  • M91: 50,757,361 km (0.082 R)
  • M92: 52,174,053 km (0.101 R)
  • M93: 52,649,026 km (0.074 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 509 - 11,878 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit