Star System Generated (Seed: 1768194543)

Star Details

Spectral Class: K4V

Temperature: 4,557 K

Mass: 0.71 sol

Luminosity: 0.3 lux

Habitable Zone (HZ)

Inner Boundary: 0.52 AU

Outer Boundary: 0.75 AU

Physical Limits

Snow Line: 2.63 AU

Max System Radius: 16.9 AU

Planetary System (7 Planets)

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.33

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 0.46 AU - 0.62 AU

Year: 172 Days

Day: 25 Hours

Environment

Temp: 37 °C

Axial Tilt: 17.2 °

Atmosphere: Nâ‚‚, Oâ‚‚

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.27

Radius: 1.39

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 0.8 AU - 0.82 AU

Year: 316 Days

Day: 33.3 Hours

Environment

Temp: -35 °C

Axial Tilt: 17.3 °

Atmosphere: Thin Nâ‚‚/CHâ‚„

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 64,108,640 km

  • M1: 478,863 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 140.4

Radius: 10.7

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 3.69 AU - 4.57 AU

Year: 3638 Days

Day: 10.3 Hours

Environment

Temp: -159 °C

Axial Tilt: 38 °

Atmosphere: Hâ‚‚, CHâ‚„

Biome: None

Satellites (67)

Outer Limit: 64,108,640 km

  • M1: 214,823 km (0.105 R)
  • M2: 312,061 km (0.118 R)
  • M3: 625,469 km (0.075 R)
  • M4: 718,818 km (0.107 R)
  • M5: 794,215 km (0.088 R)
  • M6: 1,029,233 km (0.111 R)
  • M7: 1,286,990 km (0.12 R)
  • M8: 1,409,362 km (0.099 R)
  • M9: 1,496,577 km (0.076 R)
  • M10: 1,645,876 km (0.118 R)
  • M11: 1,863,541 km (0.039 R)
  • M12: 1,992,195 km (0.079 R)
  • M13: 2,123,991 km (0.103 R)
  • M14: 2,236,039 km (0.046 R)
  • M15: 2,304,256 km (0.075 R)
  • M16: 2,454,452 km (0.101 R)
  • M17: 2,524,913 km (0.107 R)
  • M18: 2,607,940 km (0.054 R)
  • M19: 2,704,131 km (0.11 R)
  • M20: 2,776,985 km (0.073 R)
  • M21: 2,862,854 km (0.08 R)
  • M22: 3,024,719 km (0.117 R)
  • M23: 3,228,172 km (0.106 R)
  • M24: 3,357,724 km (0.042 R)
  • M25: 3,436,263 km (0.055 R)
  • M26: 3,528,715 km (0.058 R)
  • M27: 3,621,914 km (0.064 R)
  • M28: 3,906,748 km (0.117 R)
  • M29: 3,975,713 km (0.086 R)
  • M30: 4,058,889 km (0.085 R)
  • M31: 4,255,311 km (0.03 R)
  • M32: 4,426,302 km (0.099 R)
  • M33: 4,848,916 km (0.12 R)
  • M34: 5,132,853 km (0.064 R)
  • M35: 5,284,545 km (0.111 R)
  • M36: 5,437,733 km (0.094 R)
  • M37: 5,795,571 km (0.109 R)
  • M38: 5,985,411 km (0.111 R)
  • M39: 6,113,018 km (0.117 R)
  • M40: 7,032,147 km (0.109 R)
  • M41: 7,439,203 km (0.084 R)
  • M42: 7,507,868 km (0.113 R)
  • M43: 7,819,182 km (0.056 R)
  • M44: 8,329,759 km (0.085 R)
  • M45: 8,454,524 km (0.104 R)
  • M46: 8,905,561 km (0.075 R)
  • M47: 9,143,272 km (0.112 R)
  • M48: 9,235,275 km (0.071 R)
  • M49: 9,345,977 km (0.088 R)
  • M50: 9,531,628 km (0.097 R)
  • M51: 9,718,476 km (0.079 R)
  • M52: 9,887,671 km (0.071 R)
  • M53: 10,020,065 km (0.08 R)
  • M54: 10,267,201 km (0.09 R)
  • M55: 10,420,389 km (0.118 R)
  • M56: 10,806,651 km (0.098 R)
  • M57: 11,177,953 km (0.105 R)
  • M58: 11,414,617 km (0.104 R)
  • M59: 11,533,547 km (0.097 R)
  • M60: 11,993,411 km (0.095 R)
  • M61: 12,195,218 km (0.081 R)
  • M62: 12,520,444 km (0.051 R)
  • M63: 12,910,446 km (0.102 R)
  • M64: 13,013,818 km (0.105 R)
  • M65: 13,367,019 km (0.029 R)
  • M66: 14,104,237 km (0.086 R)
  • M67: 14,231,993 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 6.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 223.1

Radius: 10.6

Gravity: 1.99 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 5.12 AU - 7.22 AU

Year: 6643 Days

Day: 13.9 Hours

Environment

Temp: -170 °C

Axial Tilt: 26.7 °

Atmosphere: Hâ‚‚, CHâ‚„

Biome: None

Satellites (57)

Outer Limit: 64,108,640 km

  • M1: 182,360 km (0.105 R)
  • M2: 261,647 km (0.063 R)
  • M3: 378,183 km (0.051 R)
  • M4: 454,030 km (0.075 R)
  • M5: 545,733 km (0.062 R)
  • M6: 686,355 km (0.037 R)
  • M7: 828,772 km (0.115 R)
  • M8: 921,672 km (0.072 R)
  • M9: 1,055,563 km (0.088 R)
  • M10: 1,626,578 km (0.082 R)
  • M11: 1,745,358 km (0.09 R)
  • M12: 1,991,746 km (0.099 R)
  • M13: 2,087,189 km (0.074 R)
  • M14: 3,013,649 km (0.118 R)
  • M15: 4,174,529 km (0.119 R)
  • M16: 4,422,113 km (0.025 R)
  • M17: 4,974,728 km (0.104 R)
  • M18: 5,504,454 km (0.113 R)
  • M19: 6,145,032 km (0.048 R)
  • M20: 6,857,716 km (0.036 R)
  • M21: 6,954,655 km (0.049 R)
  • M22: 7,052,193 km (0.101 R)
  • M23: 7,347,350 km (0.052 R)
  • M24: 7,596,430 km (0.09 R)
  • M25: 7,747,225 km (0.107 R)
  • M26: 8,128,550 km (0.069 R)
  • M27: 8,308,666 km (0.112 R)
  • M28: 8,594,248 km (0.066 R)
  • M29: 8,883,271 km (0.093 R)
  • M30: 9,362,882 km (0.091 R)
  • M31: 9,687,509 km (0.071 R)
  • M32: 10,347,535 km (0.109 R)
  • M33: 10,654,959 km (0.085 R)
  • M34: 11,451,119 km (0.06 R)
  • M35: 13,010,078 km (0.109 R)
  • M36: 13,707,204 km (0.048 R)
  • M37: 14,354,364 km (0.116 R)
  • M38: 14,917,002 km (0.114 R)
  • M39: 15,074,529 km (0.07 R)
  • M40: 15,550,549 km (0.105 R)
  • M41: 15,806,511 km (0.079 R)
  • M42: 16,225,385 km (0.11 R)
  • M43: 16,582,625 km (0.069 R)
  • M44: 17,172,788 km (0.072 R)
  • M45: 17,238,911 km (0.101 R)
  • M46: 17,304,883 km (0.096 R)
  • M47: 18,814,326 km (0.045 R)
  • M48: 19,121,151 km (0.098 R)
  • M49: 19,464,179 km (0.085 R)
  • M50: 19,740,037 km (0.101 R)
  • M51: 20,470,225 km (0.098 R)
  • M52: 20,856,337 km (0.105 R)
  • M53: 23,004,113 km (0.086 R)
  • M54: 23,186,324 km (0.118 R)
  • M55: 23,405,484 km (0.078 R)
  • M56: 23,772,448 km (0.116 R)
  • M57: 24,030,355 km (0.08 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 951.7

Radius: 10

Gravity: 9.52 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 6.56 AU - 8.54 AU

Year: 8993 Days

Day: 12.3 Hours

Environment

Temp: -181 °C

Axial Tilt: 23.8 °

Atmosphere: Hâ‚‚, CHâ‚„

Biome: None

Satellites (85)

Outer Limit: 64,108,640 km

  • M1: 128,804 km (0.11 R)
  • M2: 234,569 km (0.102 R)
  • M3: 369,806 km (0.084 R)
  • M4: 478,115 km (0.102 R)
  • M5: 614,698 km (0.096 R)
  • M6: 680,072 km (0.119 R)
  • M7: 1,005,746 km (0.053 R)
  • M8: 1,815,520 km (0.118 R)
  • M9: 1,888,524 km (0.057 R)
  • M10: 2,037,523 km (0.116 R)
  • M11: 2,190,562 km (0.075 R)
  • M12: 2,700,242 km (0.042 R)
  • M13: 2,925,835 km (0.057 R)
  • M14: 3,216,504 km (0.118 R)
  • M15: 3,305,515 km (0.071 R)
  • M16: 3,825,816 km (0.098 R)
  • M17: 3,920,212 km (0.078 R)
  • M18: 4,208,487 km (0.118 R)
  • M19: 4,670,595 km (0.081 R)
  • M20: 4,771,723 km (0.107 R)
  • M21: 5,571,324 km (0.051 R)
  • M22: 6,005,158 km (0.112 R)
  • M23: 6,449,763 km (0.043 R)
  • M24: 7,136,716 km (0.048 R)
  • M25: 7,253,402 km (0.119 R)
  • M26: 7,331,642 km (0.045 R)
  • M27: 7,488,869 km (0.078 R)
  • M28: 8,995,769 km (0.083 R)
  • M29: 9,418,832 km (0.111 R)
  • M30: 9,935,243 km (0.031 R)
  • M31: 10,460,631 km (0.056 R)
  • M32: 10,726,915 km (0.051 R)
  • M33: 11,040,173 km (0.104 R)
  • M34: 13,078,145 km (0.045 R)
  • M35: 13,221,310 km (0.057 R)
  • M36: 14,335,814 km (0.037 R)
  • M37: 14,681,086 km (0.047 R)
  • M38: 15,987,225 km (0.085 R)
  • M39: 16,345,213 km (0.105 R)
  • M40: 16,757,654 km (0.116 R)
  • M41: 17,017,057 km (0.105 R)
  • M42: 17,382,525 km (0.112 R)
  • M43: 17,645,218 km (0.108 R)
  • M44: 18,709,159 km (0.103 R)
  • M45: 19,086,444 km (0.092 R)
  • M46: 19,194,604 km (0.112 R)
  • M47: 19,357,366 km (0.086 R)
  • M48: 19,848,496 km (0.078 R)
  • M49: 19,958,151 km (0.11 R)
  • M50: 22,593,168 km (0.104 R)
  • M51: 23,052,433 km (0.052 R)
  • M52: 23,341,008 km (0.117 R)
  • M53: 23,572,884 km (0.114 R)
  • M54: 23,688,972 km (0.043 R)
  • M55: 24,155,568 km (0.116 R)
  • M56: 24,625,305 km (0.061 R)
  • M57: 25,216,666 km (0.106 R)
  • M58: 25,932,342 km (0.094 R)
  • M59: 26,052,320 km (0.03 R)
  • M60: 26,654,750 km (0.098 R)
  • M61: 27,140,046 km (0.079 R)
  • M62: 27,383,890 km (0.077 R)
  • M63: 29,798,250 km (0.073 R)
  • M64: 30,112,705 km (0.112 R)
  • M65: 31,381,594 km (0.117 R)
  • M66: 32,344,556 km (0.116 R)
  • M67: 32,797,388 km (0.044 R)
  • M68: 33,513,065 km (0.087 R)
  • M69: 34,431,296 km (0.074 R)
  • M70: 34,563,242 km (0.111 R)
  • M71: 34,761,309 km (0.096 R)
  • M72: 35,357,906 km (0.044 R)
  • M73: 38,118,435 km (0.103 R)
  • M74: 39,076,759 km (0.087 R)
  • M75: 40,668,480 km (0.059 R)
  • M76: 43,059,802 km (0.104 R)
  • M77: 43,344,188 km (0.086 R)
  • M78: 43,771,888 km (0.12 R)
  • M79: 44,416,057 km (0.079 R)
  • M80: 44,559,671 km (0.061 R)
  • M81: 45,786,224 km (0.12 R)
  • M82: 46,585,824 km (0.095 R)
  • M83: 47,170,153 km (0.076 R)
  • M84: 47,463,365 km (0.113 R)
  • M85: 49,532,005 km (0.054 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 146.9

Radius: 7.4

Gravity: 2.68 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 7.59 AU - 12.55 AU

Year: 13852 Days

Day: 18 Hours

Environment

Temp: -196 °C

Axial Tilt: 39.2 °

Atmosphere: Hâ‚‚, CHâ‚„

Biome: None

Satellites (88)

Outer Limit: 64,108,640 km

  • M1: 95,144 km (0.098 R)
  • M2: 170,841 km (0.063 R)
  • M3: 355,445 km (0.118 R)
  • M4: 431,440 km (0.07 R)
  • M5: 708,795 km (0.077 R)
  • M6: 973,284 km (0.084 R)
  • M7: 1,758,822 km (0.063 R)
  • M8: 1,875,509 km (0.114 R)
  • M9: 2,262,069 km (0.105 R)
  • M10: 2,389,228 km (0.08 R)
  • M11: 2,628,584 km (0.104 R)
  • M12: 2,762,474 km (0.028 R)
  • M13: 2,921,497 km (0.051 R)
  • M14: 3,441,050 km (0.036 R)
  • M15: 3,811,604 km (0.088 R)
  • M16: 4,014,459 km (0.111 R)
  • M17: 4,246,934 km (0.104 R)
  • M18: 4,299,144 km (0.055 R)
  • M19: 5,136,443 km (0.083 R)
  • M20: 5,192,243 km (0.112 R)
  • M21: 5,473,936 km (0.063 R)
  • M22: 5,616,652 km (0.074 R)
  • M23: 5,702,970 km (0.096 R)
  • M24: 5,876,803 km (0.083 R)
  • M25: 6,140,843 km (0.109 R)
  • M26: 6,229,704 km (0.103 R)
  • M27: 6,378,704 km (0.093 R)
  • M28: 7,266,567 km (0.117 R)
  • M29: 8,520,646 km (0.112 R)
  • M30: 8,719,461 km (0.102 R)
  • M31: 8,852,903 km (0.102 R)
  • M32: 9,121,730 km (0.045 R)
  • M33: 10,083,794 km (0.097 R)
  • M34: 10,258,973 km (0.104 R)
  • M35: 10,612,473 km (0.091 R)
  • M36: 11,041,819 km (0.081 R)
  • M37: 11,149,978 km (0.098 R)
  • M38: 11,696,459 km (0.089 R)
  • M39: 12,065,667 km (0.091 R)
  • M40: 12,140,017 km (0.091 R)
  • M41: 12,401,215 km (0.077 R)
  • M42: 12,777,603 km (0.071 R)
  • M43: 13,272,622 km (0.09 R)
  • M44: 13,503,153 km (0.071 R)
  • M45: 13,735,029 km (0.108 R)
  • M46: 14,202,672 km (0.068 R)
  • M47: 14,636,057 km (0.08 R)
  • M48: 15,073,781 km (0.096 R)
  • M49: 15,153,816 km (0.101 R)
  • M50: 15,234,000 km (0.085 R)
  • M51: 15,677,558 km (0.112 R)
  • M52: 15,799,330 km (0.07 R)
  • M53: 16,618,678 km (0.069 R)
  • M54: 17,620,086 km (0.038 R)
  • M55: 17,958,327 km (0.117 R)
  • M56: 18,170,756 km (0.115 R)
  • M57: 18,856,213 km (0.09 R)
  • M58: 19,288,850 km (0.062 R)
  • M59: 20,208,129 km (0.116 R)
  • M60: 20,562,078 km (0.105 R)
  • M61: 20,828,811 km (0.097 R)
  • M62: 20,962,701 km (0.081 R)
  • M63: 21,365,867 km (0.114 R)
  • M64: 22,089,023 km (0.087 R)
  • M65: 22,271,084 km (0.063 R)
  • M66: 22,728,404 km (0.097 R)
  • M67: 22,912,111 km (0.086 R)
  • M68: 24,212,415 km (0.057 R)
  • M69: 24,871,544 km (0.118 R)
  • M70: 25,250,774 km (0.104 R)
  • M71: 25,298,346 km (0.052 R)
  • M72: 27,713,305 km (0.098 R)
  • M73: 27,762,373 km (0.103 R)
  • M74: 27,909,577 km (0.08 R)
  • M75: 28,798,936 km (0.095 R)
  • M76: 28,898,419 km (0.113 R)
  • M77: 29,848,216 km (0.09 R)
  • M78: 30,402,925 km (0.066 R)
  • M79: 31,164,677 km (0.107 R)
  • M80: 32,035,486 km (0.034 R)
  • M81: 32,190,021 km (0.101 R)
  • M82: 32,241,632 km (0.095 R)
  • M83: 32,448,227 km (0.111 R)
  • M84: 33,226,585 km (0.085 R)
  • M85: 33,330,854 km (0.074 R)
  • M86: 33,748,831 km (0.105 R)
  • M87: 34,748,893 km (0.061 R)
  • M88: 34,854,658 km (0.099 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 316.5

Radius: 3.8

Gravity: 21.92 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 11.13 AU - 16.91 AU

Year: 22755 Days

Day: 21 Hours

Environment

Temp: -201 °C

Axial Tilt: 14.4 °

Atmosphere: Hâ‚‚, CHâ‚„

Biome: None

Satellites (97)

Outer Limit: 64,108,640 km

  • M1: 52,958 km (0.043 R)
  • M2: 102,026 km (0.106 R)
  • M3: 142,268 km (0.101 R)
  • M4: 300,542 km (0.046 R)
  • M5: 540,647 km (0.102 R)
  • M6: 658,829 km (0.107 R)
  • M7: 851,062 km (0.114 R)
  • M8: 1,691,204 km (0.038 R)
  • M9: 1,776,924 km (0.088 R)
  • M10: 2,103,496 km (0.107 R)
  • M11: 2,643,993 km (0.081 R)
  • M12: 3,331,395 km (0.118 R)
  • M13: 3,621,016 km (0.05 R)
  • M14: 4,340,881 km (0.103 R)
  • M15: 4,817,650 km (0.045 R)
  • M16: 5,269,286 km (0.05 R)
  • M17: 5,563,545 km (0.096 R)
  • M18: 6,522,916 km (0.112 R)
  • M19: 9,185,010 km (0.09 R)
  • M20: 9,386,518 km (0.1 R)
  • M21: 9,487,946 km (0.067 R)
  • M22: 9,538,659 km (0.092 R)
  • M23: 10,103,541 km (0.11 R)
  • M24: 11,104,351 km (0.085 R)
  • M25: 11,697,955 km (0.12 R)
  • M26: 11,971,270 km (0.108 R)
  • M27: 12,136,277 km (0.119 R)
  • M28: 12,468,384 km (0.113 R)
  • M29: 12,859,732 km (0.068 R)
  • M30: 13,769,437 km (0.079 R)
  • M31: 14,173,800 km (0.034 R)
  • M32: 14,406,574 km (0.07 R)
  • M33: 14,465,067 km (0.112 R)
  • M34: 15,172,066 km (0.03 R)
  • M35: 15,649,732 km (0.066 R)
  • M36: 15,709,721 km (0.077 R)
  • M37: 15,769,860 km (0.077 R)
  • M38: 16,497,354 km (0.115 R)
  • M39: 16,619,725 km (0.074 R)
  • M40: 18,363,288 km (0.059 R)
  • M41: 18,808,192 km (0.096 R)
  • M42: 19,064,005 km (0.108 R)
  • M43: 19,449,967 km (0.041 R)
  • M44: 19,968,473 km (0.088 R)
  • M45: 21,885,869 km (0.118 R)
  • M46: 22,154,996 km (0.088 R)
  • M47: 22,968,659 km (0.041 R)
  • M48: 23,379,305 km (0.1 R)
  • M49: 23,723,230 km (0.038 R)
  • M50: 24,905,054 km (0.117 R)
  • M51: 25,115,687 km (0.115 R)
  • M52: 25,326,770 km (0.111 R)
  • M53: 25,467,990 km (0.092 R)
  • M54: 26,606,131 km (0.095 R)
  • M55: 27,109,229 km (0.09 R)
  • M56: 27,181,335 km (0.094 R)
  • M57: 29,226,786 km (0.088 R)
  • M58: 30,492,684 km (0.112 R)
  • M59: 31,548,545 km (0.085 R)
  • M60: 31,928,524 km (0.057 R)
  • M61: 32,769,862 km (0.088 R)
  • M62: 33,309,013 km (0.054 R)
  • M63: 33,463,548 km (0.095 R)
  • M64: 34,318,051 km (0.115 R)
  • M65: 34,708,800 km (0.098 R)
  • M66: 35,337,111 km (0.105 R)
  • M67: 37,244,484 km (0.11 R)
  • M68: 40,003,069 km (0.11 R)
  • M69: 41,157,965 km (0.068 R)
  • M70: 43,079,100 km (0.07 R)
  • M71: 44,943,688 km (0.077 R)
  • M72: 46,230,080 km (0.069 R)
  • M73: 46,402,567 km (0.095 R)
  • M74: 46,661,521 km (0.09 R)
  • M75: 47,267,841 km (0.11 R)
  • M76: 47,615,506 km (0.083 R)
  • M77: 51,227,397 km (0.113 R)
  • M78: 51,763,257 km (0.095 R)
  • M79: 52,480,728 km (0.093 R)
  • M80: 53,834,739 km (0.097 R)
  • M81: 53,925,395 km (0.099 R)
  • M82: 54,926,205 km (0.104 R)
  • M83: 55,291,672 km (0.106 R)
  • M84: 56,392,862 km (0.031 R)
  • M85: 57,038,676 km (0.096 R)
  • M86: 57,223,579 km (0.104 R)
  • M87: 58,990,330 km (0.099 R)
  • M88: 59,083,829 km (0.049 R)
  • M89: 60,209,553 km (0.116 R)
  • M90: 60,680,636 km (0.115 R)
  • M91: 61,342,308 km (0.11 R)
  • M92: 61,437,003 km (0.118 R)
  • M93: 61,721,389 km (0.119 R)
  • M94: 62,959,012 km (0.1 R)
  • M95: 63,533,019 km (0.115 R)
  • M96: 63,628,762 km (0.066 R)
  • M97: 64,012,630 km (0.108 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 344 - 19,158 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit