G4V Star System Generated (Seed: 1768464547)

Star Details

Spectral Class: G2V

Temperature: 5,800 K

Mass: 1.05 sol

Luminosity: 1.19 lux

Habitable Zone (HZ)

Inner Boundary: 1.04 AU

Outer Boundary: 1.5 AU

Physical Limits

Snow Line: 5.24 AU

Max System Radius: 20.5 AU

Planetary System (10 Planets)

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.4

Radius: 1.42

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 0.51 AU - 0.79 AU

Year: 187 Days

Day: 41 Hours

Environment

Temp: 181 °C

Axial Tilt: 19.6 °

Atmosphere: Dense COâ‚‚

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 30,106,298 km

  • M1: 108,309 km (0.045 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.07 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.06

Radius: 1.34

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 1.05 AU - 1.09 AU

Year: 395 Days

Day: 22.2 Hours

Environment

Temp: 37 °C

Axial Tilt: 7.8 °

Atmosphere: Nâ‚‚, Oâ‚‚

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 30,106,298 km

  • M1: 35,455 km (0.093 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.59

Radius: 1.46

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 1.74 AU - 2.86 AU

Year: 1243 Days

Day: 14.8 Hours

Environment

Temp: -81 °C

Axial Tilt: 14.9 °

Atmosphere: Thin Nâ‚‚/CHâ‚„

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.32 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.02

Radius: 1.01

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 3.23 AU - 3.41 AU

Year: 2156 Days

Day: 38.4 Hours

Environment

Temp: -107 °C

Axial Tilt: 48.4 °

Atmosphere: Thin Nâ‚‚/CHâ‚„

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.38 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.88

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 3.04 AU - 3.72 AU

Year: 2215 Days

Day: 19.9 Hours

Environment

Temp: -107 °C

Axial Tilt: 25.6 °

Atmosphere: Thin Nâ‚‚/CHâ‚„

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 5.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 446

Radius: 9.8

Gravity: 4.64 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 4.88 AU - 6.22 AU

Year: 4661 Days

Day: 6.5 Hours

Environment

Temp: -140 °C

Axial Tilt: 20 °

Atmosphere: Hâ‚‚, CHâ‚„

Biome: None

Satellites (74)

Outer Limit: 30,106,298 km

  • M1: 122,670 km (0.09 R)
  • M2: 320,738 km (0.11 R)
  • M3: 737,667 km (0.114 R)
  • M4: 943,364 km (0.115 R)
  • M5: 1,180,926 km (0.118 R)
  • M6: 1,300,155 km (0.111 R)
  • M7: 1,465,760 km (0.058 R)
  • M8: 1,609,075 km (0.098 R)
  • M9: 1,682,677 km (0.109 R)
  • M10: 1,817,913 km (0.091 R)
  • M11: 1,972,448 km (0.039 R)
  • M12: 2,131,470 km (0.033 R)
  • M13: 2,361,253 km (0.06 R)
  • M14: 2,428,572 km (0.033 R)
  • M15: 2,547,652 km (0.089 R)
  • M16: 2,774,143 km (0.12 R)
  • M17: 2,989,115 km (0.114 R)
  • M18: 3,062,119 km (0.105 R)
  • M19: 3,135,571 km (0.078 R)
  • M20: 3,569,704 km (0.086 R)
  • M21: 3,647,196 km (0.1 R)
  • M22: 3,982,894 km (0.091 R)
  • M23: 4,494,518 km (0.1 R)
  • M24: 4,557,350 km (0.081 R)
  • M25: 4,897,385 km (0.102 R)
  • M26: 5,005,246 km (0.042 R)
  • M27: 5,400,483 km (0.034 R)
  • M28: 5,737,677 km (0.059 R)
  • M29: 6,479,682 km (0.118 R)
  • M30: 6,837,819 km (0.116 R)
  • M31: 7,080,318 km (0.05 R)
  • M32: 7,698,755 km (0.119 R)
  • M33: 7,875,131 km (0.119 R)
  • M34: 7,976,409 km (0.085 R)
  • M35: 8,154,879 km (0.112 R)
  • M36: 8,308,815 km (0.119 R)
  • M37: 8,776,608 km (0.044 R)
  • M38: 8,987,242 km (0.072 R)
  • M39: 9,199,671 km (0.107 R)
  • M40: 9,548,234 km (0.059 R)
  • M41: 9,846,532 km (0.114 R)
  • M42: 10,010,641 km (0.114 R)
  • M43: 10,591,978 km (0.089 R)
  • M44: 10,704,027 km (0.086 R)
  • M45: 10,985,720 km (0.081 R)
  • M46: 11,298,379 km (0.098 R)
  • M47: 11,642,753 km (0.118 R)
  • M48: 12,019,890 km (0.092 R)
  • M49: 12,166,047 km (0.067 R)
  • M50: 12,283,332 km (0.097 R)
  • M51: 12,548,569 km (0.091 R)
  • M52: 13,537,710 km (0.079 R)
  • M53: 13,628,815 km (0.089 R)
  • M54: 13,903,626 km (0.098 R)
  • M55: 14,026,296 km (0.026 R)
  • M56: 14,957,842 km (0.117 R)
  • M57: 15,052,089 km (0.116 R)
  • M58: 16,327,860 km (0.061 R)
  • M59: 16,457,262 km (0.08 R)
  • M60: 16,717,263 km (0.028 R)
  • M61: 16,782,488 km (0.119 R)
  • M62: 16,847,712 km (0.043 R)
  • M63: 17,175,481 km (0.08 R)
  • M64: 17,704,310 km (0.1 R)
  • M65: 18,710,056 km (0.098 R)
  • M66: 19,151,669 km (0.034 R)
  • M67: 19,390,876 km (0.096 R)
  • M68: 20,183,894 km (0.076 R)
  • M69: 20,427,440 km (0.102 R)
  • M70: 21,552,715 km (0.032 R)
  • M71: 21,944,212 km (0.089 R)
  • M72: 22,770,292 km (0.072 R)
  • M73: 23,716,498 km (0.057 R)
  • M74: 24,046,960 km (0.103 R)

Planet 7 - Gas Giant

Semi-Major Axis: 6.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 668

Radius: 14.1

Gravity: 3.36 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 5.72 AU - 7.64 AU

Year: 6154 Days

Day: 6 Hours

Environment

Temp: -157 °C

Axial Tilt: 20.5 °

Atmosphere: Hâ‚‚, CHâ‚„

Biome: None

Satellites (77)

Outer Limit: 30,106,298 km

  • M1: 380,427 km (0.118 R)
  • M2: 491,130 km (0.112 R)
  • M3: 616,642 km (0.086 R)
  • M4: 878,140 km (0.06 R)
  • M5: 993,479 km (0.114 R)
  • M6: 1,099,096 km (0.113 R)
  • M7: 1,579,903 km (0.118 R)
  • M8: 1,705,565 km (0.034 R)
  • M9: 1,872,517 km (0.083 R)
  • M10: 1,967,661 km (0.053 R)
  • M11: 2,406,282 km (0.104 R)
  • M12: 2,531,346 km (0.089 R)
  • M13: 2,875,869 km (0.09 R)
  • M14: 2,986,721 km (0.064 R)
  • M15: 3,304,767 km (0.047 R)
  • M16: 3,397,667 km (0.111 R)
  • M17: 3,538,738 km (0.106 R)
  • M18: 4,198,165 km (0.12 R)
  • M19: 5,518,665 km (0.082 R)
  • M20: 5,657,492 km (0.12 R)
  • M21: 5,967,010 km (0.103 R)
  • M22: 6,080,854 km (0.047 R)
  • M23: 7,412,275 km (0.059 R)
  • M24: 7,875,879 km (0.052 R)
  • M25: 8,095,339 km (0.12 R)
  • M26: 8,380,622 km (0.08 R)
  • M27: 8,701,659 km (0.071 R)
  • M28: 8,928,749 km (0.117 R)
  • M29: 9,488,395 km (0.095 R)
  • M30: 9,621,686 km (0.081 R)
  • M31: 10,229,652 km (0.085 R)
  • M32: 10,676,351 km (0.11 R)
  • M33: 11,094,477 km (0.111 R)
  • M34: 11,624,802 km (0.111 R)
  • M35: 11,875,229 km (0.119 R)
  • M36: 12,636,831 km (0.118 R)
  • M37: 12,857,488 km (0.119 R)
  • M38: 13,414,441 km (0.092 R)
  • M39: 13,941,474 km (0.056 R)
  • M40: 14,207,459 km (0.096 R)
  • M41: 14,360,348 km (0.087 R)
  • M42: 15,132,573 km (0.089 R)
  • M43: 15,484,427 km (0.09 R)
  • M44: 16,556,445 km (0.043 R)
  • M45: 17,734,528 km (0.113 R)
  • M46: 18,146,970 km (0.097 R)
  • M47: 18,604,440 km (0.042 R)
  • M48: 18,771,690 km (0.093 R)
  • M49: 18,897,502 km (0.068 R)
  • M50: 19,530,600 km (0.114 R)
  • M51: 19,956,655 km (0.092 R)
  • M52: 20,085,010 km (0.104 R)
  • M53: 21,340,435 km (0.089 R)
  • M54: 21,515,615 km (0.087 R)
  • M55: 21,735,224 km (0.105 R)
  • M56: 21,999,713 km (0.066 R)
  • M57: 22,354,111 km (0.085 R)
  • M58: 22,443,121 km (0.097 R)
  • M59: 22,889,222 km (0.081 R)
  • M60: 23,203,378 km (0.11 R)
  • M61: 23,926,833 km (0.11 R)
  • M62: 24,979,553 km (0.061 R)
  • M63: 25,534,861 km (0.104 R)
  • M64: 26,281,653 km (0.111 R)
  • M65: 27,177,744 km (0.082 R)
  • M66: 27,272,589 km (0.086 R)
  • M67: 27,748,909 km (0.112 R)
  • M68: 27,844,502 km (0.076 R)
  • M69: 29,096,935 km (0.096 R)
  • M70: 29,242,644 km (0.116 R)
  • M71: 29,974,776 km (0.11 R)
  • M72: 30,318,552 km (0.079 R)
  • M73: 30,466,205 km (0.1 R)
  • M74: 31,059,510 km (0.107 R)
  • M75: 31,706,521 km (0.086 R)
  • M76: 32,559,378 km (0.092 R)
  • M77: 32,761,186 km (0.095 R)

Planet 8 - Gas Giant

Semi-Major Axis: 11.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 118.4

Radius: 8.5

Gravity: 1.64 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 8.73 AU - 13.91 AU

Year: 13576 Days

Day: 10.2 Hours

Environment

Temp: -184 °C

Axial Tilt: 32 °

Atmosphere: Hâ‚‚, CHâ‚„

Biome: None

Satellites (86)

Outer Limit: 30,106,298 km

  • M1: 204,949 km (0.051 R)
  • M2: 283,787 km (0.068 R)
  • M3: 386,561 km (0.071 R)
  • M4: 609,462 km (0.111 R)
  • M5: 723,007 km (0.076 R)
  • M6: 857,944 km (0.071 R)
  • M7: 943,065 km (0.075 R)
  • M8: 1,312,422 km (0.12 R)
  • M9: 1,760,318 km (0.097 R)
  • M10: 1,851,722 km (0.085 R)
  • M11: 1,907,373 km (0.082 R)
  • M12: 2,039,468 km (0.088 R)
  • M13: 2,213,749 km (0.09 R)
  • M14: 2,292,737 km (0.064 R)
  • M15: 2,453,704 km (0.109 R)
  • M16: 2,937,205 km (0.069 R)
  • M17: 4,111,398 km (0.047 R)
  • M18: 4,381,871 km (0.084 R)
  • M19: 4,888,559 km (0.111 R)
  • M20: 5,254,476 km (0.029 R)
  • M21: 5,957,137 km (0.089 R)
  • M22: 6,095,814 km (0.091 R)
  • M23: 6,432,708 km (0.102 R)
  • M24: 6,489,406 km (0.047 R)
  • M25: 6,804,459 km (0.111 R)
  • M26: 7,479,445 km (0.078 R)
  • M27: 7,809,757 km (0.118 R)
  • M28: 7,931,081 km (0.07 R)
  • M29: 8,237,158 km (0.106 R)
  • M30: 9,661,928 km (0.053 R)
  • M31: 9,890,364 km (0.075 R)
  • M32: 10,087,534 km (0.105 R)
  • M33: 10,385,832 km (0.053 R)
  • M34: 10,788,101 km (0.06 R)
  • M35: 11,059,023 km (0.082 R)
  • M36: 11,127,090 km (0.027 R)
  • M37: 11,298,080 km (0.11 R)
  • M38: 11,642,454 km (0.08 R)
  • M39: 12,165,448 km (0.084 R)
  • M40: 12,306,220 km (0.087 R)
  • M41: 12,624,864 km (0.076 R)
  • M42: 12,982,253 km (0.094 R)
  • M43: 13,090,113 km (0.077 R)
  • M44: 13,198,272 km (0.041 R)
  • M45: 13,306,731 km (0.065 R)
  • M46: 13,379,136 km (0.079 R)
  • M47: 13,451,841 km (0.115 R)
  • M48: 13,524,545 km (0.116 R)
  • M49: 13,597,399 km (0.112 R)
  • M50: 14,780,868 km (0.09 R)
  • M51: 14,855,966 km (0.102 R)
  • M52: 15,346,946 km (0.105 R)
  • M53: 15,766,568 km (0.069 R)
  • M54: 15,958,652 km (0.102 R)
  • M55: 16,190,080 km (0.055 R)
  • M56: 16,851,751 km (0.036 R)
  • M57: 17,324,181 km (0.104 R)
  • M58: 17,960,870 km (0.082 R)
  • M59: 18,686,420 km (0.1 R)
  • M60: 19,339,265 km (0.1 R)
  • M61: 20,499,695 km (0.094 R)
  • M62: 20,709,282 km (0.079 R)
  • M63: 20,919,617 km (0.068 R)
  • M64: 21,469,688 km (0.06 R)
  • M65: 21,554,809 km (0.074 R)
  • M66: 22,067,481 km (0.114 R)
  • M67: 22,411,556 km (0.113 R)
  • M68: 23,279,373 km (0.08 R)
  • M69: 23,454,253 km (0.053 R)
  • M70: 24,158,261 km (0.071 R)
  • M71: 24,246,673 km (0.117 R)
  • M72: 24,379,666 km (0.103 R)
  • M73: 24,869,150 km (0.092 R)
  • M74: 25,047,919 km (0.098 R)
  • M75: 25,586,921 km (0.098 R)
  • M76: 27,457,044 km (0.062 R)
  • M77: 27,827,149 km (0.062 R)
  • M78: 28,245,275 km (0.076 R)
  • M79: 28,431,823 km (0.045 R)
  • M80: 29,276,453 km (0.1 R)
  • M81: 29,559,791 km (0.107 R)
  • M82: 29,796,754 km (0.057 R)
  • M83: 30,846,183 km (0.102 R)
  • M84: 31,038,417 km (0.118 R)
  • M85: 31,134,608 km (0.083 R)
  • M86: 31,472,101 km (0.088 R)

Planet 9 - Gas Giant

Semi-Major Axis: 11.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 65.3

Radius: 11.6

Gravity: 0.49 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 9.88 AU - 14.04 AU

Year: 14743 Days

Day: 14.2 Hours

Environment

Temp: -178 °C

Axial Tilt: 38.9 °

Atmosphere: Hâ‚‚, CHâ‚„

Biome: None

Satellites (71)

Outer Limit: 30,106,298 km

  • M1: 164,408 km (0.108 R)
  • M2: 249,230 km (0.073 R)
  • M3: 369,956 km (0.092 R)
  • M4: 469,289 km (0.087 R)
  • M5: 712,385 km (0.119 R)
  • M6: 1,063,491 km (0.046 R)
  • M7: 1,159,832 km (0.099 R)
  • M8: 1,273,676 km (0.114 R)
  • M9: 1,361,640 km (0.111 R)
  • M10: 1,436,588 km (0.116 R)
  • M11: 1,559,558 km (0.071 R)
  • M12: 1,654,253 km (0.038 R)
  • M13: 1,800,111 km (0.042 R)
  • M14: 2,035,578 km (0.104 R)
  • M15: 2,157,351 km (0.114 R)
  • M16: 2,299,319 km (0.041 R)
  • M17: 3,076,181 km (0.092 R)
  • M18: 3,400,210 km (0.101 R)
  • M19: 3,842,421 km (0.098 R)
  • M20: 4,169,592 km (0.088 R)
  • M21: 4,596,993 km (0.026 R)
  • M22: 5,180,873 km (0.065 R)
  • M23: 5,813,074 km (0.049 R)
  • M24: 5,987,505 km (0.069 R)
  • M25: 6,113,167 km (0.091 R)
  • M26: 6,189,014 km (0.106 R)
  • M27: 6,469,809 km (0.083 R)
  • M28: 6,624,643 km (0.102 R)
  • M29: 6,938,200 km (0.107 R)
  • M30: 7,525,670 km (0.103 R)
  • M31: 7,743,335 km (0.08 R)
  • M32: 7,935,419 km (0.049 R)
  • M33: 8,464,996 km (0.104 R)
  • M34: 8,634,639 km (0.111 R)
  • M35: 9,734,932 km (0.059 R)
  • M36: 10,121,493 km (0.108 R)
  • M37: 10,756,536 km (0.109 R)
  • M38: 11,812,248 km (0.093 R)
  • M39: 12,544,978 km (0.046 R)
  • M40: 12,706,245 km (0.076 R)
  • M41: 13,555,811 km (0.059 R)
  • M42: 13,954,190 km (0.098 R)
  • M43: 14,592,823 km (0.092 R)
  • M44: 14,728,509 km (0.106 R)
  • M45: 15,001,076 km (0.107 R)
  • M46: 15,309,696 km (0.101 R)
  • M47: 15,968,376 km (0.073 R)
  • M48: 16,636,181 km (0.112 R)
  • M49: 17,134,043 km (0.086 R)
  • M50: 17,564,735 km (0.11 R)
  • M51: 17,673,044 km (0.06 R)
  • M52: 18,841,403 km (0.105 R)
  • M53: 19,100,357 km (0.096 R)
  • M54: 19,286,008 km (0.09 R)
  • M55: 19,621,706 km (0.076 R)
  • M56: 19,771,453 km (0.117 R)
  • M57: 20,792,758 km (0.059 R)
  • M58: 21,175,429 km (0.075 R)
  • M59: 22,729,003 km (0.089 R)
  • M60: 23,678,800 km (0.087 R)
  • M61: 24,319,228 km (0.111 R)
  • M62: 24,520,437 km (0.115 R)
  • M63: 25,127,655 km (0.12 R)
  • M64: 25,290,418 km (0.074 R)
  • M65: 25,616,990 km (0.112 R)
  • M66: 25,821,789 km (0.048 R)
  • M67: 26,233,034 km (0.086 R)
  • M68: 26,398,190 km (0.058 R)
  • M69: 27,062,105 km (0.107 R)
  • M70: 28,279,533 km (0.12 R)
  • M71: 28,364,055 km (0.088 R)

Planet 10 - Ice Giant

Semi-Major Axis: 18.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 19.6

Radius: 4.8

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 16.25 AU - 21.67 AU

Year: 29427 Days

Day: 22.8 Hours

Environment

Temp: -194 °C

Axial Tilt: 56.1 °

Atmosphere: Hâ‚‚, CHâ‚„

Biome: None

Satellites (50)

Outer Limit: 30,106,298 km

  • M1: 67,319 km (0.067 R)
  • M2: 132,245 km (0.119 R)
  • M3: 264,938 km (0.091 R)
  • M4: 457,919 km (0.06 R)
  • M5: 778,208 km (0.04 R)
  • M6: 1,009,786 km (0.069 R)
  • M7: 1,185,862 km (0.1 R)
  • M8: 1,468,004 km (0.079 R)
  • M9: 1,770,491 km (0.048 R)
  • M10: 2,686,927 km (0.114 R)
  • M11: 2,889,483 km (0.097 R)
  • M12: 3,658,865 km (0.107 R)
  • M13: 4,703,656 km (0.111 R)
  • M14: 5,145,718 km (0.043 R)
  • M15: 6,522,766 km (0.118 R)
  • M16: 6,685,379 km (0.085 R)
  • M17: 6,739,982 km (0.072 R)
  • M18: 8,121,519 km (0.065 R)
  • M19: 8,680,117 km (0.085 R)
  • M20: 9,372,755 km (0.078 R)
  • M21: 9,617,797 km (0.112 R)
  • M22: 9,710,248 km (0.025 R)
  • M23: 10,874,568 km (0.088 R)
  • M24: 11,456,803 km (0.12 R)
  • M25: 11,489,416 km (0.112 R)
  • M26: 11,751,661 km (0.043 R)
  • M27: 11,850,545 km (0.083 R)
  • M28: 11,916,518 km (0.059 R)
  • M29: 12,015,851 km (0.047 R)
  • M30: 12,115,483 km (0.097 R)
  • M31: 13,849,920 km (0.094 R)
  • M32: 16,796,699 km (0.093 R)
  • M33: 17,057,000 km (0.028 R)
  • M34: 17,206,298 km (0.107 R)
  • M35: 17,468,693 km (0.038 R)
  • M36: 17,656,887 km (0.105 R)
  • M37: 18,607,881 km (0.103 R)
  • M38: 19,458,494 km (0.094 R)
  • M39: 21,197,569 km (0.077 R)
  • M40: 21,680,322 km (0.115 R)
  • M41: 21,761,105 km (0.111 R)
  • M42: 22,903,135 km (0.119 R)
  • M43: 25,799,499 km (0.108 R)
  • M44: 26,099,742 km (0.097 R)
  • M45: 26,271,780 km (0.115 R)
  • M46: 26,790,286 km (0.114 R)
  • M47: 27,574,328 km (0.095 R)
  • M48: 27,925,135 km (0.107 R)
  • M49: 29,836,248 km (0.076 R)
  • M50: 30,061,243 km (0.09 R)

Kuiper Belt

Range: 30.8 - 58.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 365 - 13,457 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit