Star System Generated (Seed: 1766109448)

Star Details

Spectral Class: M8V

Temperature: 2,617 K

Mass: 0.28 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: 10.6 AU

Planetary System (5 Planets)

Asteroid Belt

Center: 0.86 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 912.9

Radius: 9.7

Gravity: 9.7 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 1.44 AU - 2 AU

Year: 1557 Days

Day: 12.1 Hours

Environment

Temp: -198 °C

Axial Tilt: 2.9 °

Atmosphere: Hâ‚‚, CHâ‚„

Biome: None

Satellites (67)

Outer Limit: 82,048,469 km

  • M1: 131,497 km (0.096 R)
  • M2: 232,774 km (0.091 R)
  • M3: 300,243 km (0.096 R)
  • M4: 377,435 km (0.078 R)
  • M5: 509,231 km (0.099 R)
  • M6: 650,751 km (0.094 R)
  • M7: 790,026 km (0.1 R)
  • M8: 863,629 km (0.051 R)
  • M9: 939,624 km (0.093 R)
  • M10: 1,044,941 km (0.077 R)
  • M11: 1,210,546 km (0.107 R)
  • M12: 1,277,267 km (0.053 R)
  • M13: 1,394,851 km (0.104 R)
  • M14: 1,475,334 km (0.066 R)
  • M15: 1,536,819 km (0.092 R)
  • M16: 1,683,574 km (0.092 R)
  • M17: 1,934,899 km (0.091 R)
  • M18: 2,036,625 km (0.095 R)
  • M19: 2,105,440 km (0.092 R)
  • M20: 2,609,436 km (0.055 R)
  • M21: 2,823,959 km (0.072 R)
  • M22: 3,057,332 km (0.049 R)
  • M23: 3,136,619 km (0.099 R)
  • M24: 3,229,968 km (0.071 R)
  • M25: 3,405,895 km (0.106 R)
  • M26: 3,584,814 km (0.066 R)
  • M27: 3,823,722 km (0.068 R)
  • M28: 3,923,653 km (0.115 R)
  • M29: 4,184,552 km (0.116 R)
  • M30: 4,331,906 km (0.084 R)
  • M31: 4,616,740 km (0.072 R)
  • M32: 4,923,266 km (0.109 R)
  • M33: 5,032,173 km (0.095 R)
  • M34: 5,110,413 km (0.067 R)
  • M35: 5,523,901 km (0.12 R)
  • M36: 5,750,991 km (0.081 R)
  • M37: 5,997,827 km (0.094 R)
  • M38: 6,064,249 km (0.1 R)
  • M39: 6,281,764 km (0.116 R)
  • M40: 6,810,892 km (0.05 R)
  • M41: 7,037,084 km (0.113 R)
  • M42: 7,301,124 km (0.115 R)
  • M43: 7,730,470 km (0.072 R)
  • M44: 7,911,783 km (0.091 R)
  • M45: 8,021,288 km (0.052 R)
  • M46: 8,094,591 km (0.092 R)
  • M47: 8,764,042 km (0.095 R)
  • M48: 9,509,338 km (0.071 R)
  • M49: 9,645,173 km (0.108 R)
  • M50: 9,723,114 km (0.115 R)
  • M51: 9,840,548 km (0.091 R)
  • M52: 9,938,684 km (0.089 R)
  • M53: 10,999,034 km (0.105 R)
  • M54: 11,264,570 km (0.1 R)
  • M55: 11,573,639 km (0.114 R)
  • M56: 11,677,311 km (0.087 R)
  • M57: 11,781,281 km (0.052 R)
  • M58: 12,052,951 km (0.101 R)
  • M59: 12,496,359 km (0.034 R)
  • M60: 12,602,723 km (0.046 R)
  • M61: 12,902,068 km (0.089 R)
  • M62: 13,268,733 km (0.095 R)
  • M63: 14,167,218 km (0.049 R)
  • M64: 14,367,080 km (0.106 R)
  • M65: 14,523,260 km (0.114 R)
  • M66: 14,747,208 km (0.115 R)
  • M67: 15,040,121 km (0.039 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 888.9

Radius: 13.8

Gravity: 4.67 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 2.24 AU - 2.96 AU

Year: 2894 Days

Day: 11.3 Hours

Environment

Temp: -216 °C

Axial Tilt: 175.8 °

Atmosphere: Hâ‚‚, CHâ‚„

Biome: None

Satellites (68)

Outer Limit: 82,048,469 km

  • M1: 175,329 km (0.098 R)
  • M2: 289,621 km (0.115 R)
  • M3: 685,308 km (0.036 R)
  • M4: 846,874 km (0.096 R)
  • M5: 1,011,132 km (0.116 R)
  • M6: 1,151,006 km (0.115 R)
  • M7: 1,260,362 km (0.109 R)
  • M8: 1,360,892 km (0.114 R)
  • M9: 1,597,406 km (0.099 R)
  • M10: 1,693,149 km (0.091 R)
  • M11: 1,805,198 km (0.05 R)
  • M12: 2,186,971 km (0.033 R)
  • M13: 2,626,939 km (0.12 R)
  • M14: 2,757,837 km (0.114 R)
  • M15: 2,924,638 km (0.052 R)
  • M16: 3,112,085 km (0.088 R)
  • M17: 3,198,702 km (0.116 R)
  • M18: 3,553,249 km (0.039 R)
  • M19: 3,662,156 km (0.07 R)
  • M20: 5,280,954 km (0.109 R)
  • M21: 5,405,719 km (0.091 R)
  • M22: 5,552,624 km (0.095 R)
  • M23: 5,786,146 km (0.073 R)
  • M24: 6,240,924 km (0.111 R)
  • M25: 6,395,159 km (0.034 R)
  • M26: 6,550,592 km (0.102 R)
  • M27: 6,752,399 km (0.103 R)
  • M28: 7,001,779 km (0.08 R)
  • M29: 7,139,259 km (0.11 R)
  • M30: 7,370,089 km (0.106 R)
  • M31: 7,580,124 km (0.106 R)
  • M32: 7,958,457 km (0.07 R)
  • M33: 8,197,963 km (0.088 R)
  • M34: 8,610,853 km (0.103 R)
  • M35: 9,381,133 km (0.074 R)
  • M36: 9,966,958 km (0.074 R)
  • M37: 11,147,435 km (0.114 R)
  • M38: 11,308,103 km (0.08 R)
  • M39: 12,068,509 km (0.109 R)
  • M40: 12,566,072 km (0.092 R)
  • M41: 12,985,993 km (0.054 R)
  • M42: 13,296,708 km (0.101 R)
  • M43: 13,552,819 km (0.051 R)
  • M44: 13,724,557 km (0.053 R)
  • M45: 14,302,005 km (0.101 R)
  • M46: 14,506,057 km (0.059 R)
  • M47: 14,828,590 km (0.071 R)
  • M48: 15,183,286 km (0.086 R)
  • M49: 15,451,066 km (0.073 R)
  • M50: 15,600,515 km (0.117 R)
  • M51: 15,690,423 km (0.037 R)
  • M52: 15,840,619 km (0.113 R)
  • M53: 15,961,195 km (0.065 R)
  • M54: 16,476,859 km (0.117 R)
  • M55: 16,568,413 km (0.039 R)
  • M56: 16,813,454 km (0.069 R)
  • M57: 17,930,950 km (0.078 R)
  • M58: 18,308,835 km (0.111 R)
  • M59: 18,466,960 km (0.057 R)
  • M60: 19,008,354 km (0.105 R)
  • M61: 19,136,410 km (0.083 R)
  • M62: 20,597,832 km (0.076 R)
  • M63: 20,960,606 km (0.068 R)
  • M64: 21,059,790 km (0.03 R)
  • M65: 21,425,257 km (0.072 R)
  • M66: 21,725,650 km (0.088 R)
  • M67: 22,162,326 km (0.115 R)
  • M68: 22,805,597 km (0.066 R)

Planet 3 - Ice Giant

Semi-Major Axis: 5.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 684.2

Radius: 6.8

Gravity: 14.8 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 4.74 AU - 6.42 AU

Year: 9098 Days

Day: 19.4 Hours

Environment

Temp: -231 °C

Axial Tilt: 39.5 °

Atmosphere: Hâ‚‚, CHâ‚„

Biome: None

Satellites (91)

Outer Limit: 82,048,469 km

  • M1: 100,380 km (0.063 R)
  • M2: 192,981 km (0.038 R)
  • M3: 378,632 km (0.04 R)
  • M4: 484,996 km (0.067 R)
  • M5: 571,613 km (0.046 R)
  • M6: 1,462,170 km (0.072 R)
  • M7: 1,568,982 km (0.109 R)
  • M8: 2,021,666 km (0.111 R)
  • M9: 2,069,088 km (0.11 R)
  • M10: 2,140,895 km (0.07 R)
  • M11: 2,336,719 km (0.108 R)
  • M12: 2,487,364 km (0.042 R)
  • M13: 2,538,377 km (0.098 R)
  • M14: 2,693,210 km (0.106 R)
  • M15: 3,121,659 km (0.066 R)
  • M16: 3,259,887 km (0.099 R)
  • M17: 3,599,923 km (0.115 R)
  • M18: 4,282,987 km (0.116 R)
  • M19: 4,845,176 km (0.114 R)
  • M20: 5,265,546 km (0.084 R)
  • M21: 5,463,464 km (0.098 R)
  • M22: 5,630,415 km (0.115 R)
  • M23: 5,799,012 km (0.096 R)
  • M24: 6,003,363 km (0.108 R)
  • M25: 6,595,621 km (0.104 R)
  • M26: 6,702,134 km (0.11 R)
  • M27: 6,809,097 km (0.025 R)
  • M28: 6,880,754 km (0.084 R)
  • M29: 6,952,711 km (0.116 R)
  • M30: 7,133,574 km (0.1 R)
  • M31: 7,279,432 km (0.086 R)
  • M32: 7,947,836 km (0.067 R)
  • M33: 8,597,090 km (0.087 R)
  • M34: 8,830,314 km (0.074 R)
  • M35: 8,908,553 km (0.12 R)
  • M36: 9,864,783 km (0.059 R)
  • M37: 10,109,076 km (0.092 R)
  • M38: 10,853,475 km (0.056 R)
  • M39: 10,937,250 km (0.101 R)
  • M40: 11,232,257 km (0.105 R)
  • M41: 11,402,051 km (0.115 R)
  • M42: 11,444,536 km (0.058 R)
  • M43: 11,916,368 km (0.097 R)
  • M44: 12,176,369 km (0.114 R)
  • M45: 12,219,902 km (0.077 R)
  • M46: 12,702,056 km (0.113 R)
  • M47: 13,145,913 km (0.118 R)
  • M48: 13,235,223 km (0.106 R)
  • M49: 14,139,841 km (0.097 R)
  • M50: 14,415,101 km (0.068 R)
  • M51: 14,692,156 km (0.098 R)
  • M52: 15,204,679 km (0.118 R)
  • M53: 16,056,040 km (0.097 R)
  • M54: 16,777,252 km (0.08 R)
  • M55: 17,804,540 km (0.059 R)
  • M56: 18,250,940 km (0.091 R)
  • M57: 18,500,619 km (0.103 R)
  • M58: 18,751,495 km (0.066 R)
  • M59: 19,919,555 km (0.053 R)
  • M60: 20,125,102 km (0.051 R)
  • M61: 20,486,381 km (0.064 R)
  • M62: 20,590,053 km (0.055 R)
  • M63: 22,272,131 km (0.119 R)
  • M64: 24,600,771 km (0.067 R)
  • M65: 25,319,888 km (0.056 R)
  • M66: 25,431,189 km (0.072 R)
  • M67: 25,933,838 km (0.068 R)
  • M68: 26,102,136 km (0.085 R)
  • M69: 27,005,707 km (0.089 R)
  • M70: 27,461,382 km (0.062 R)
  • M71: 28,091,937 km (0.046 R)
  • M72: 28,149,532 km (0.119 R)
  • M73: 29,134,185 km (0.083 R)
  • M74: 30,248,091 km (0.096 R)
  • M75: 30,899,291 km (0.085 R)
  • M76: 31,256,381 km (0.086 R)
  • M77: 34,347,073 km (0.101 R)
  • M78: 36,460,891 km (0.04 R)
  • M79: 36,901,307 km (0.091 R)
  • M80: 37,216,958 km (0.065 R)
  • M81: 37,343,518 km (0.063 R)
  • M82: 37,660,366 km (0.089 R)
  • M83: 38,296,905 km (0.071 R)
  • M84: 38,360,784 km (0.059 R)
  • M85: 39,065,390 km (0.102 R)
  • M86: 39,903,736 km (0.093 R)
  • M87: 40,422,541 km (0.11 R)
  • M88: 40,487,467 km (0.116 R)
  • M89: 41,729,279 km (0.113 R)
  • M90: 43,249,193 km (0.043 R)
  • M91: 43,982,372 km (0.086 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 257.8

Radius: 3.1

Gravity: 26.83 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 5.19 AU - 8.13 AU

Year: 11864 Days

Day: 23.7 Hours

Environment

Temp: -223 °C

Axial Tilt: 34 °

Atmosphere: Hâ‚‚, CHâ‚„

Biome: None

Satellites (91)

Outer Limit: 82,048,469 km

  • M1: 56,548 km (0.082 R)
  • M2: 89,460 km (0.098 R)
  • M3: 220,058 km (0.116 R)
  • M4: 270,772 km (0.114 R)
  • M5: 636,689 km (0.077 R)
  • M6: 695,481 km (0.107 R)
  • M7: 981,811 km (0.093 R)
  • M8: 1,050,027 km (0.109 R)
  • M9: 1,137,393 km (0.082 R)
  • M10: 1,338,003 km (0.059 R)
  • M11: 1,709,904 km (0.061 R)
  • M12: 2,089,882 km (0.077 R)
  • M13: 2,380,102 km (0.047 R)
  • M14: 2,518,181 km (0.101 R)
  • M15: 2,706,525 km (0.054 R)
  • M16: 3,071,693 km (0.112 R)
  • M17: 3,096,526 km (0.115 R)
  • M18: 3,222,039 km (0.092 R)
  • M19: 3,530,061 km (0.108 R)
  • M20: 4,036,599 km (0.078 R)
  • M21: 4,173,631 km (0.052 R)
  • M22: 4,679,721 km (0.102 R)
  • M23: 4,852,656 km (0.101 R)
  • M24: 4,939,871 km (0.078 R)
  • M25: 4,969,043 km (0.1 R)
  • M26: 4,998,364 km (0.11 R)
  • M27: 5,057,006 km (0.083 R)
  • M28: 5,294,119 km (0.099 R)
  • M29: 5,324,039 km (0.12 R)
  • M30: 5,413,947 km (0.114 R)
  • M31: 5,534,822 km (0.098 R)
  • M32: 7,383,403 km (0.12 R)
  • M33: 7,416,913 km (0.076 R)
  • M34: 8,130,046 km (0.047 R)
  • M35: 8,687,896 km (0.072 R)
  • M36: 9,803,597 km (0.074 R)
  • M37: 9,877,050 km (0.07 R)
  • M38: 10,247,454 km (0.111 R)
  • M39: 10,434,302 km (0.073 R)
  • M40: 11,116,169 km (0.052 R)
  • M41: 11,346,699 km (0.11 R)
  • M42: 12,284,528 km (0.095 R)
  • M43: 12,363,666 km (0.103 R)
  • M44: 12,403,459 km (0.048 R)
  • M45: 13,368,814 km (0.115 R)
  • M46: 13,654,845 km (0.106 R)
  • M47: 14,066,987 km (0.081 R)
  • M48: 14,233,041 km (0.116 R)
  • M49: 14,525,056 km (0.071 R)
  • M50: 14,566,943 km (0.028 R)
  • M51: 15,413,218 km (0.052 R)
  • M52: 15,885,349 km (0.047 R)
  • M53: 16,231,668 km (0.059 R)
  • M54: 18,406,821 km (0.063 R)
  • M55: 18,679,389 km (0.109 R)
  • M56: 18,816,271 km (0.101 R)
  • M57: 18,953,302 km (0.094 R)
  • M58: 19,320,565 km (0.096 R)
  • M59: 19,505,169 km (0.065 R)
  • M60: 19,551,395 km (0.054 R)
  • M61: 20,436,416 km (0.046 R)
  • M62: 20,624,460 km (0.084 R)
  • M63: 21,334,601 km (0.06 R)
  • M64: 21,429,895 km (0.053 R)
  • M65: 22,197,182 km (0.062 R)
  • M66: 23,071,133 km (0.115 R)
  • M67: 23,168,970 km (0.095 R)
  • M68: 24,403,153 km (0.119 R)
  • M69: 24,452,969 km (0.074 R)
  • M70: 24,752,464 km (0.094 R)
  • M71: 25,053,305 km (0.085 R)
  • M72: 25,254,365 km (0.099 R)
  • M73: 25,355,194 km (0.097 R)
  • M74: 25,861,134 km (0.092 R)
  • M75: 26,934,648 km (0.075 R)
  • M76: 27,089,033 km (0.105 R)
  • M77: 27,866,194 km (0.079 R)
  • M78: 28,598,027 km (0.071 R)
  • M79: 29,177,419 km (0.105 R)
  • M80: 29,760,701 km (0.061 R)
  • M81: 30,187,354 km (0.079 R)
  • M82: 31,968,467 km (0.119 R)
  • M83: 32,514,798 km (0.104 R)
  • M84: 33,285,077 km (0.09 R)
  • M85: 34,172,492 km (0.06 R)
  • M86: 35,518,424 km (0.05 R)
  • M87: 37,110,295 km (0.081 R)
  • M88: 37,396,925 km (0.039 R)
  • M89: 37,742,047 km (0.068 R)
  • M90: 37,857,237 km (0.061 R)
  • M91: 38,377,239 km (0.078 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 890.7

Radius: 6.9

Gravity: 18.71 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 8.8 AU - 9.84 AU

Year: 19640 Days

Day: 21 Hours

Environment

Temp: -231 °C

Axial Tilt: 24.5 °

Atmosphere: Hâ‚‚, CHâ‚„

Biome: None

Satellites (98)

Outer Limit: 82,048,469 km

  • M1: 267,481 km (0.05 R)
  • M2: 741,557 km (0.097 R)
  • M3: 816,655 km (0.109 R)
  • M4: 974,780 km (0.079 R)
  • M5: 1,057,657 km (0.092 R)
  • M6: 1,412,802 km (0.032 R)
  • M7: 1,475,484 km (0.089 R)
  • M8: 1,837,062 km (0.078 R)
  • M9: 2,225,418 km (0.085 R)
  • M10: 2,335,821 km (0.063 R)
  • M11: 2,600,310 km (0.118 R)
  • M12: 2,795,236 km (0.097 R)
  • M13: 2,994,800 km (0.088 R)
  • M14: 3,158,011 km (0.066 R)
  • M15: 4,106,312 km (0.102 R)
  • M16: 4,847,420 km (0.113 R)
  • M17: 5,039,204 km (0.114 R)
  • M18: 5,579,253 km (0.098 R)
  • M19: 5,780,163 km (0.063 R)
  • M20: 6,034,778 km (0.061 R)
  • M21: 10,147,224 km (0.044 R)
  • M22: 10,764,464 km (0.1 R)
  • M23: 11,330,244 km (0.113 R)
  • M24: 11,584,859 km (0.076 R)
  • M25: 13,285,189 km (0.106 R)
  • M26: 13,419,228 km (0.098 R)
  • M27: 13,688,504 km (0.097 R)
  • M28: 13,756,123 km (0.086 R)
  • M29: 14,922,687 km (0.098 R)
  • M30: 15,061,962 km (0.091 R)
  • M31: 15,623,553 km (0.091 R)
  • M32: 15,906,891 km (0.078 R)
  • M33: 16,622,717 km (0.061 R)
  • M34: 16,694,823 km (0.062 R)
  • M35: 17,057,299 km (0.074 R)
  • M36: 17,275,861 km (0.109 R)
  • M37: 17,863,631 km (0.085 R)
  • M38: 18,308,685 km (0.102 R)
  • M39: 18,757,329 km (0.108 R)
  • M40: 19,209,713 km (0.099 R)
  • M41: 19,894,871 km (0.117 R)
  • M42: 21,132,644 km (0.099 R)
  • M43: 22,875,010 km (0.045 R)
  • M44: 23,035,828 km (0.116 R)
  • M45: 24,663,004 km (0.079 R)
  • M46: 27,172,658 km (0.047 R)
  • M47: 27,598,713 km (0.04 R)
  • M48: 29,064,024 km (0.093 R)
  • M49: 31,353,470 km (0.112 R)
  • M50: 33,153,581 km (0.115 R)
  • M51: 35,543,407 km (0.095 R)
  • M52: 39,809,041 km (0.105 R)
  • M53: 41,364,110 km (0.098 R)
  • M54: 41,952,329 km (0.079 R)
  • M55: 42,444,656 km (0.084 R)
  • M56: 43,137,294 km (0.088 R)
  • M57: 43,236,477 km (0.075 R)
  • M58: 43,534,626 km (0.107 R)
  • M59: 46,248,631 km (0.119 R)
  • M60: 46,757,263 km (0.111 R)
  • M61: 46,859,139 km (0.101 R)
  • M62: 47,165,516 km (0.118 R)
  • M63: 48,603,451 km (0.099 R)
  • M64: 49,639,416 km (0.059 R)
  • M65: 51,733,038 km (0.072 R)
  • M66: 52,049,587 km (0.12 R)
  • M67: 52,684,630 km (0.06 R)
  • M68: 54,283,233 km (0.056 R)
  • M69: 55,142,374 km (0.102 R)
  • M70: 56,547,995 km (0.099 R)
  • M71: 57,965,435 km (0.098 R)
  • M72: 58,403,906 km (0.089 R)
  • M73: 58,843,574 km (0.091 R)
  • M74: 59,504,947 km (0.089 R)
  • M75: 59,615,499 km (0.104 R)
  • M76: 59,725,903 km (0.084 R)
  • M77: 60,279,714 km (0.079 R)
  • M78: 60,501,717 km (0.03 R)
  • M79: 61,839,272 km (0.109 R)
  • M80: 62,399,516 km (0.036 R)
  • M81: 63,412,144 km (0.067 R)
  • M82: 63,750,833 km (0.117 R)
  • M83: 66,024,422 km (0.074 R)
  • M84: 66,253,307 km (0.098 R)
  • M85: 67,056,198 km (0.067 R)
  • M86: 67,286,280 km (0.105 R)
  • M87: 67,516,511 km (0.109 R)
  • M88: 68,440,278 km (0.07 R)
  • M89: 69,484,321 km (0.083 R)
  • M90: 69,950,169 km (0.102 R)
  • M91: 71,236,412 km (0.084 R)
  • M92: 72,412,401 km (0.093 R)
  • M93: 72,648,316 km (0.079 R)
  • M94: 74,069,496 km (0.178 R)
  • M95: 77,662,538 km (0.072 R)
  • M96: 78,266,913 km (0.085 R)
  • M97: 80,089,314 km (0.055 R)
  • M98: 81,311,978 km (0.043 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 534 - 12,844 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit