G9V Star System Generated (Seed: 1767874988)

Star Details

Spectral Class: G4V

Temperature: 5,640 K

Mass: 1.01 sol

Luminosity: 1.04 lux

Habitable Zone (HZ)

Inner Boundary: 0.97 AU

Outer Boundary: 1.4 AU

Physical Limits

Snow Line: 4.9 AU

Max System Radius: 20.1 AU

Planetary System (9 Planets)

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.24

Radius: 1.38

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 0.5 AU - 0.58 AU

Year: 144 Days

Day: 36.5 Hours

Environment

Temp: 218 °C

Axial Tilt: 26.1 °

Atmosphere: Dense COâ‚‚

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 40,771,435 km

  • M1: 252,970 km (0.066 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.74 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.32

Radius: 1.12

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 0.62 AU - 0.86 AU

Year: 231 Days

Day: 14.6 Hours

Environment

Temp: 109 °C

Axial Tilt: 13.5 °

Atmosphere: Dense COâ‚‚

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.32 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.86

Radius: 1.72

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 1.2 AU - 1.44 AU

Year: 551 Days

Day: 34.8 Hours

Environment

Temp: -1 °C

Axial Tilt: 45.8 °

Atmosphere: Nâ‚‚, Oâ‚‚

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.02

Radius: 1.32

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 1.54 AU - 2.56 AU

Year: 1067 Days

Day: 32.4 Hours

Environment

Temp: -66 °C

Axial Tilt: 19.2 °

Atmosphere: Thin Nâ‚‚/CHâ‚„

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 40,771,435 km

  • M1: 1,226,703 km (0.07 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 668

Radius: 9

Gravity: 8.25 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 4.65 AU - 6.19 AU

Year: 4586 Days

Day: 5.8 Hours

Environment

Temp: -152 °C

Axial Tilt: 19 °

Atmosphere: Hâ‚‚, CHâ‚„

Biome: None

Satellites (82)

Outer Limit: 40,771,435 km

  • M1: 125,064 km (0.055 R)
  • M2: 265,536 km (0.062 R)
  • M3: 337,194 km (0.105 R)
  • M4: 465,249 km (0.098 R)
  • M5: 589,266 km (0.119 R)
  • M6: 655,837 km (0.096 R)
  • M7: 910,453 km (0.067 R)
  • M8: 1,386,174 km (0.103 R)
  • M9: 1,947,764 km (0.096 R)
  • M10: 2,016,131 km (0.114 R)
  • M11: 2,370,528 km (0.044 R)
  • M12: 2,443,681 km (0.117 R)
  • M13: 2,592,531 km (0.049 R)
  • M14: 2,687,077 km (0.1 R)
  • M15: 2,802,118 km (0.095 R)
  • M16: 3,017,239 km (0.091 R)
  • M17: 3,116,872 km (0.102 R)
  • M18: 3,298,932 km (0.065 R)
  • M19: 3,652,432 km (0.071 R)
  • M20: 3,952,825 km (0.063 R)
  • M21: 4,018,199 km (0.12 R)
  • M22: 4,194,425 km (0.049 R)
  • M23: 4,577,246 km (0.032 R)
  • M24: 5,280,356 km (0.112 R)
  • M25: 5,891,912 km (0.045 R)
  • M26: 6,629,280 km (0.102 R)
  • M27: 6,707,221 km (0.12 R)
  • M28: 7,154,668 km (0.066 R)
  • M29: 7,288,109 km (0.069 R)
  • M30: 7,368,593 km (0.093 R)
  • M31: 7,503,380 km (0.099 R)
  • M32: 7,611,839 km (0.077 R)
  • M33: 7,940,356 km (0.118 R)
  • M34: 8,781,694 km (0.091 R)
  • M35: 9,241,857 km (0.069 R)
  • M36: 9,533,573 km (0.107 R)
  • M37: 9,887,671 km (0.064 R)
  • M38: 10,366,384 km (0.026 R)
  • M39: 10,699,988 km (0.086 R)
  • M40: 10,883,395 km (0.104 R)
  • M41: 11,439,899 km (0.115 R)
  • M42: 11,658,910 km (0.11 R)
  • M43: 11,879,268 km (0.115 R)
  • M44: 12,100,972 km (0.101 R)
  • M45: 12,452,078 km (0.029 R)
  • M46: 12,645,059 km (0.071 R)
  • M47: 12,904,013 km (0.053 R)
  • M48: 13,131,851 km (0.07 R)
  • M49: 13,295,511 km (0.032 R)
  • M50: 13,990,243 km (0.061 R)
  • M51: 14,392,362 km (0.05 R)
  • M52: 14,662,686 km (0.078 R)
  • M53: 15,277,084 km (0.102 R)
  • M54: 15,518,236 km (0.094 R)
  • M55: 16,249,321 km (0.051 R)
  • M56: 16,530,714 km (0.042 R)
  • M57: 16,601,325 km (0.045 R)
  • M58: 16,813,753 km (0.07 R)
  • M59: 17,384,769 km (0.08 R)
  • M60: 17,781,053 km (0.095 R)
  • M61: 17,998,419 km (0.094 R)
  • M62: 18,987,560 km (0.118 R)
  • M63: 19,061,461 km (0.088 R)
  • M64: 19,246,813 km (0.038 R)
  • M65: 19,994,354 km (0.115 R)
  • M66: 20,295,943 km (0.091 R)
  • M67: 20,447,336 km (0.043 R)
  • M68: 20,637,026 km (0.109 R)
  • M69: 20,865,462 km (0.071 R)
  • M70: 21,018,351 km (0.097 R)
  • M71: 21,826,479 km (0.119 R)
  • M72: 22,644,929 km (0.068 R)
  • M73: 23,077,566 km (0.081 R)
  • M74: 24,031,103 km (0.114 R)
  • M75: 24,311,599 km (0.106 R)
  • M76: 24,673,925 km (0.111 R)
  • M77: 24,795,099 km (0.091 R)
  • M78: 25,771,524 km (0.119 R)
  • M79: 26,388,167 km (0.073 R)
  • M80: 26,470,745 km (0.112 R)
  • M81: 26,926,570 km (0.096 R)
  • M82: 27,803,811 km (0.107 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 497.1

Radius: 8

Gravity: 7.77 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 5.26 AU - 5.78 AU

Year: 4713 Days

Day: 5.7 Hours

Environment

Temp: -141 °C

Axial Tilt: 14.4 °

Atmosphere: Hâ‚‚, CHâ‚„

Biome: None

Satellites (79)

Outer Limit: 40,771,435 km

  • M1: 138,079 km (0.09 R)
  • M2: 196,123 km (0.075 R)
  • M3: 471,981 km (0.105 R)
  • M4: 732,132 km (0.092 R)
  • M5: 860,487 km (0.119 R)
  • M6: 971,189 km (0.11 R)
  • M7: 1,073,664 km (0.074 R)
  • M8: 1,166,415 km (0.106 R)
  • M9: 1,275,771 km (0.06 R)
  • M10: 1,475,484 km (0.071 R)
  • M11: 1,564,195 km (0.091 R)
  • M12: 2,117,408 km (0.049 R)
  • M13: 2,636,363 km (0.063 R)
  • M14: 2,966,077 km (0.071 R)
  • M15: 3,328,553 km (0.052 R)
  • M16: 3,406,792 km (0.11 R)
  • M17: 3,465,734 km (0.049 R)
  • M18: 3,725,286 km (0.075 R)
  • M19: 4,284,782 km (0.096 R)
  • M20: 4,803,887 km (0.059 R)
  • M21: 4,959,169 km (0.086 R)
  • M22: 5,071,069 km (0.115 R)
  • M23: 5,138,537 km (0.088 R)
  • M24: 5,206,455 km (0.092 R)
  • M25: 5,411,703 km (0.116 R)
  • M26: 5,689,656 km (0.11 R)
  • M27: 5,924,824 km (0.105 R)
  • M28: 6,019,818 km (0.085 R)
  • M29: 6,091,476 km (0.088 R)
  • M30: 6,429,118 km (0.056 R)
  • M31: 6,526,806 km (0.102 R)
  • M32: 7,148,085 km (0.051 R)
  • M33: 7,198,650 km (0.07 R)
  • M34: 7,530,009 km (0.117 R)
  • M35: 7,814,245 km (0.116 R)
  • M36: 8,207,687 km (0.098 R)
  • M37: 8,287,124 km (0.109 R)
  • M38: 8,446,745 km (0.112 R)
  • M39: 8,769,128 km (0.031 R)
  • M40: 9,453,688 km (0.091 R)
  • M41: 9,788,488 km (0.069 R)
  • M42: 9,957,234 km (0.085 R)
  • M43: 10,098,754 km (0.077 R)
  • M44: 10,757,882 km (0.093 R)
  • M45: 11,078,022 km (0.105 R)
  • M46: 11,136,664 km (0.072 R)
  • M47: 11,847,254 km (0.043 R)
  • M48: 11,997,151 km (0.035 R)
  • M49: 12,268,671 km (0.119 R)
  • M50: 13,468,147 km (0.1 R)
  • M51: 13,530,679 km (0.096 R)
  • M52: 13,750,139 km (0.068 R)
  • M53: 13,970,945 km (0.1 R)
  • M54: 14,065,940 km (0.1 R)
  • M55: 14,480,027 km (0.047 R)
  • M56: 14,608,232 km (0.108 R)
  • M57: 14,769,050 km (0.098 R)
  • M58: 14,995,092 km (0.065 R)
  • M59: 15,189,719 km (0.079 R)
  • M60: 15,943,991 km (0.091 R)
  • M61: 16,309,010 km (0.064 R)
  • M62: 16,945,848 km (0.062 R)
  • M63: 17,556,806 km (0.062 R)
  • M64: 18,521,413 km (0.114 R)
  • M65: 19,045,155 km (0.12 R)
  • M66: 19,680,198 km (0.056 R)
  • M67: 20,214,711 km (0.107 R)
  • M68: 22,104,282 km (0.065 R)
  • M69: 22,696,989 km (0.111 R)
  • M70: 22,845,988 km (0.118 R)
  • M71: 23,257,383 km (0.113 R)
  • M72: 23,407,728 km (0.098 R)
  • M73: 23,482,827 km (0.103 R)
  • M74: 23,746,867 km (0.114 R)
  • M75: 24,659,264 km (0.093 R)
  • M76: 24,850,749 km (0.084 R)
  • M77: 25,042,684 km (0.085 R)
  • M78: 25,738,164 km (0.093 R)
  • M79: 25,971,238 km (0.082 R)

Planet 7 - Gas Giant

Semi-Major Axis: 6.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 21

Radius: 8.2

Gravity: 0.31 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 6.33 AU - 7.39 AU

Year: 6530 Days

Day: 12.1 Hours

Environment

Temp: -154 °C

Axial Tilt: 46.3 °

Atmosphere: Hâ‚‚, CHâ‚„

Biome: None

Satellites (34)

Outer Limit: 40,771,435 km

  • M1: 116,686 km (0.086 R)
  • M2: 227,090 km (0.087 R)
  • M3: 296,054 km (0.118 R)
  • M4: 399,127 km (0.078 R)
  • M5: 532,718 km (0.107 R)
  • M6: 900,130 km (0.069 R)
  • M7: 1,163,423 km (0.046 R)
  • M8: 1,996,084 km (0.117 R)
  • M9: 2,184,727 km (0.052 R)
  • M10: 2,630,529 km (0.119 R)
  • M11: 2,785,363 km (0.115 R)
  • M12: 3,246,124 km (0.107 R)
  • M13: 3,345,607 km (0.081 R)
  • M14: 3,513,605 km (0.078 R)
  • M15: 3,846,460 km (0.058 R)
  • M16: 4,129,500 km (0.107 R)
  • M17: 4,225,392 km (0.102 R)
  • M18: 4,382,769 km (0.111 R)
  • M19: 4,468,339 km (0.045 R)
  • M20: 4,579,191 km (0.108 R)
  • M21: 5,172,945 km (0.08 R)
  • M22: 5,683,971 km (0.088 R)
  • M23: 5,965,813 km (0.099 R)
  • M24: 6,088,035 km (0.104 R)
  • M25: 6,156,252 km (0.099 R)
  • M26: 6,627,186 km (0.074 R)
  • M27: 6,966,623 km (0.067 R)
  • M28: 7,530,308 km (0.075 R)
  • M29: 7,973,866 km (0.085 R)
  • M30: 8,365,214 km (0.105 R)
  • M31: 9,213,434 km (0.11 R)
  • M32: 9,576,358 km (0.087 R)
  • M33: 9,703,666 km (0.12 R)
  • M34: 10,725,719 km (0.103 R)

Planet 8 - Gas Giant

Semi-Major Axis: 10.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 565.4

Radius: 10.6

Gravity: 5.03 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 9.78 AU - 12 AU

Year: 13061 Days

Day: 8.6 Hours

Environment

Temp: -183 °C

Axial Tilt: 29 °

Atmosphere: Hâ‚‚, CHâ‚„

Biome: None

Satellites (86)

Outer Limit: 40,771,435 km

  • M1: 250,576 km (0.093 R)
  • M2: 626,516 km (0.086 R)
  • M3: 730,935 km (0.08 R)
  • M4: 861,085 km (0.109 R)
  • M5: 999,463 km (0.118 R)
  • M6: 1,276,967 km (0.1 R)
  • M7: 1,701,077 km (0.105 R)
  • M8: 2,249,204 km (0.059 R)
  • M9: 2,415,557 km (0.056 R)
  • M10: 2,969,219 km (0.086 R)
  • M11: 3,497,598 km (0.065 R)
  • M12: 3,756,403 km (0.092 R)
  • M13: 4,224,494 km (0.112 R)
  • M14: 4,361,676 km (0.073 R)
  • M15: 4,535,359 km (0.116 R)
  • M16: 4,711,136 km (0.109 R)
  • M17: 5,069,722 km (0.114 R)
  • M18: 5,511,784 km (0.08 R)
  • M19: 5,624,282 km (0.115 R)
  • M20: 5,889,668 km (0.117 R)
  • M21: 6,004,709 km (0.086 R)
  • M22: 6,551,489 km (0.115 R)
  • M23: 6,670,719 km (0.09 R)
  • M24: 7,902,657 km (0.112 R)
  • M25: 8,114,787 km (0.036 R)
  • M26: 8,285,777 km (0.071 R)
  • M27: 8,414,880 km (0.091 R)
  • M28: 8,893,893 km (0.072 R)
  • M29: 9,924,173 km (0.084 R)
  • M30: 10,061,354 km (0.064 R)
  • M31: 10,663,037 km (0.098 R)
  • M32: 11,611,488 km (0.095 R)
  • M33: 11,949,728 km (0.109 R)
  • M34: 12,984,198 km (0.073 R)
  • M35: 13,436,282 km (0.117 R)
  • M36: 13,740,564 km (0.053 R)
  • M37: 14,719,234 km (0.084 R)
  • M38: 16,040,781 km (0.107 R)
  • M39: 16,148,193 km (0.07 R)
  • M40: 16,363,613 km (0.105 R)
  • M41: 17,787,336 km (0.028 R)
  • M42: 19,022,716 km (0.118 R)
  • M43: 19,136,410 km (0.081 R)
  • M44: 19,364,547 km (0.102 R)
  • M45: 20,634,932 km (0.076 R)
  • M46: 21,221,206 km (0.085 R)
  • M47: 21,339,089 km (0.1 R)
  • M48: 22,470,348 km (0.114 R)
  • M49: 22,891,915 km (0.109 R)
  • M50: 23,988,318 km (0.047 R)
  • M51: 24,172,622 km (0.113 R)
  • M52: 24,419,160 km (0.113 R)
  • M53: 24,604,661 km (0.027 R)
  • M54: 24,790,611 km (0.12 R)
  • M55: 25,288,772 km (0.097 R)
  • M56: 26,548,536 km (0.115 R)
  • M57: 26,675,694 km (0.06 R)
  • M58: 28,022,524 km (0.077 R)
  • M59: 30,249,587 km (0.086 R)
  • M60: 30,848,577 km (0.067 R)
  • M61: 33,420,763 km (0.111 R)
  • M62: 34,454,933 km (0.087 R)
  • M63: 35,080,401 km (0.025 R)
  • M64: 35,639,598 km (0.108 R)
  • M65: 35,709,610 km (0.07 R)
  • M66: 35,779,772 km (0.086 R)
  • M67: 36,201,638 km (0.029 R)
  • M68: 36,554,539 km (0.118 R)
  • M69: 36,625,149 km (0.112 R)
  • M70: 37,334,692 km (0.056 R)
  • M71: 37,619,825 km (0.095 R)
  • M72: 37,977,215 km (0.089 R)
  • M73: 38,192,187 km (0.062 R)
  • M74: 39,853,621 km (0.064 R)
  • M75: 39,926,325 km (0.096 R)
  • M76: 43,246,650 km (0.092 R)
  • M77: 46,118,780 km (0.057 R)
  • M78: 46,348,113 km (0.091 R)
  • M79: 46,577,895 km (0.11 R)
  • M80: 47,346,380 km (0.068 R)
  • M81: 48,196,544 km (0.063 R)
  • M82: 48,740,333 km (0.087 R)
  • M83: 51,014,370 km (0.093 R)
  • M84: 51,806,491 km (0.093 R)
  • M85: 52,044,800 km (0.116 R)
  • M86: 53,643,702 km (0.106 R)

Planet 9 - Gas Giant

Semi-Major Axis: 12.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 177.5

Radius: 11

Gravity: 1.47 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 11.38 AU - 12.94 AU

Year: 15411 Days

Day: 11.1 Hours

Environment

Temp: -190 °C

Axial Tilt: 42.5 °

Atmosphere: Hâ‚‚, CHâ‚„

Biome: None

Satellites (89)

Outer Limit: 40,771,435 km

  • M1: 140,472 km (0.085 R)
  • M2: 426,055 km (0.097 R)
  • M3: 988,094 km (0.052 R)
  • M4: 1,421,778 km (0.102 R)
  • M5: 1,499,569 km (0.111 R)
  • M6: 1,639,593 km (0.073 R)
  • M7: 1,825,992 km (0.09 R)
  • M8: 1,911,113 km (0.085 R)
  • M9: 2,063,403 km (0.102 R)
  • M10: 2,174,854 km (0.108 R)
  • M11: 2,713,107 km (0.101 R)
  • M12: 2,786,260 km (0.12 R)
  • M13: 3,449,129 km (0.117 R)
  • M14: 3,555,343 km (0.12 R)
  • M15: 3,689,831 km (0.116 R)
  • M16: 3,771,213 km (0.044 R)
  • M17: 4,019,396 km (0.111 R)
  • M18: 4,159,419 km (0.077 R)
  • M19: 4,329,811 km (0.101 R)
  • M20: 4,531,619 km (0.064 R)
  • M21: 4,618,984 km (0.042 R)
  • M22: 4,884,670 km (0.056 R)
  • M23: 5,338,550 km (0.065 R)
  • M24: 5,774,478 km (0.119 R)
  • M25: 6,060,808 km (0.076 R)
  • M26: 6,254,388 km (0.102 R)
  • M27: 6,780,374 km (0.034 R)
  • M28: 6,880,604 km (0.096 R)
  • M29: 7,015,093 km (0.097 R)
  • M30: 7,320,721 km (0.109 R)
  • M31: 7,630,838 km (0.112 R)
  • M32: 7,945,143 km (0.093 R)
  • M33: 8,263,936 km (0.107 R)
  • M34: 8,622,971 km (0.106 R)
  • M35: 8,877,287 km (0.104 R)
  • M36: 9,430,799 km (0.115 R)
  • M37: 9,919,536 km (0.064 R)
  • M38: 10,186,269 km (0.058 R)
  • M39: 10,804,557 km (0.099 R)
  • M40: 11,315,882 km (0.101 R)
  • M41: 11,714,710 km (0.094 R)
  • M42: 11,835,136 km (0.069 R)
  • M43: 12,077,485 km (0.104 R)
  • M44: 12,321,479 km (0.05 R)
  • M45: 13,313,612 km (0.117 R)
  • M46: 13,439,424 km (0.1 R)
  • M47: 13,776,917 km (0.096 R)
  • M48: 14,074,467 km (0.089 R)
  • M49: 14,202,672 km (0.044 R)
  • M50: 14,288,392 km (0.045 R)
  • M51: 14,503,364 km (0.117 R)
  • M52: 14,806,000 km (0.066 R)
  • M53: 16,171,829 km (0.1 R)
  • M54: 16,847,114 km (0.105 R)
  • M55: 16,937,770 km (0.117 R)
  • M56: 17,256,713 km (0.07 R)
  • M57: 17,946,658 km (0.03 R)
  • M58: 19,830,395 km (0.032 R)
  • M59: 20,504,483 km (0.119 R)
  • M60: 21,234,969 km (0.085 R)
  • M61: 21,825,581 km (0.062 R)
  • M62: 22,272,131 km (0.045 R)
  • M63: 24,088,100 km (0.109 R)
  • M64: 25,429,095 km (0.089 R)
  • M65: 26,266,245 km (0.107 R)
  • M66: 26,371,561 km (0.12 R)
  • M67: 27,218,884 km (0.045 R)
  • M68: 27,325,547 km (0.118 R)
  • M69: 27,432,210 km (0.028 R)
  • M70: 29,595,096 km (0.12 R)
  • M71: 30,034,166 km (0.062 R)
  • M72: 30,309,725 km (0.075 R)
  • M73: 30,918,888 km (0.093 R)
  • M74: 31,420,340 km (0.104 R)
  • M75: 31,532,090 km (0.057 R)
  • M76: 32,997,401 km (0.101 R)
  • M77: 34,600,192 km (0.102 R)
  • M78: 35,062,749 km (0.077 R)
  • M79: 35,469,206 km (0.091 R)
  • M80: 35,994,145 km (0.07 R)
  • M81: 36,698,003 km (0.106 R)
  • M82: 38,059,643 km (0.11 R)
  • M83: 38,238,562 km (0.119 R)
  • M84: 38,716,827 km (0.116 R)
  • M85: 39,076,759 km (0.057 R)
  • M86: 39,197,036 km (0.119 R)
  • M87: 39,800,065 km (0.068 R)
  • M88: 39,921,089 km (0.111 R)
  • M89: 40,588,745 km (0.044 R)

Kuiper Belt

Range: 30.2 - 45.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 516 - 13,238 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit