Star System Generated (Seed: 1767413058)

Star Details

Spectral Class: K0V

Temperature: 5,200 K

Mass: 0.77 sol

Luminosity: 0.4 lux

Habitable Zone (HZ)

Inner Boundary: 0.6 AU

Outer Boundary: 0.87 AU

Physical Limits

Snow Line: 3.04 AU

Max System Radius: 17.5 AU

Planetary System (6 Planets)

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.3

Radius: 1.4

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 0.41 AU - 0.65 AU

Year: 161 Days

Day: 45.5 Hours

Environment

Temp: 150 °C

Axial Tilt: 33.4 °

Atmosphere: Dense COâ‚‚

Biome: Volcanic/Barren

Planet 2 - Gas Giant

Semi-Major Axis: 5.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 207.9

Radius: 10.2

Gravity: 2 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 4.28 AU - 6.28 AU

Year: 5050 Days

Day: 5.1 Hours

Environment

Temp: -164 °C

Axial Tilt: 34.9 °

Atmosphere: Hâ‚‚, CHâ‚„

Biome: None

Satellites (53)

Outer Limit: 67,641,609 km

  • M1: 171,888 km (0.058 R)
  • M2: 410,347 km (0.097 R)
  • M3: 510,877 km (0.105 R)
  • M4: 577,597 km (0.088 R)
  • M5: 656,735 km (0.081 R)
  • M6: 827,426 km (0.081 R)
  • M7: 1,270,984 km (0.039 R)
  • M8: 1,377,647 km (0.089 R)
  • M9: 1,703,022 km (0.117 R)
  • M10: 1,874,910 km (0.087 R)
  • M11: 2,164,831 km (0.081 R)
  • M12: 2,395,361 km (0.118 R)
  • M13: 2,710,265 km (0.079 R)
  • M14: 2,833,832 km (0.11 R)
  • M15: 2,990,761 km (0.049 R)
  • M16: 3,150,830 km (0.085 R)
  • M17: 3,248,219 km (0.048 R)
  • M18: 3,546,367 km (0.111 R)
  • M19: 3,698,807 km (0.106 R)
  • M20: 3,853,492 km (0.104 R)
  • M21: 3,940,408 km (0.115 R)
  • M22: 4,420,767 km (0.079 R)
  • M23: 4,658,777 km (0.106 R)
  • M24: 5,014,221 km (0.088 R)
  • M25: 5,534,523 km (0.101 R)
  • M26: 5,632,809 km (0.096 R)
  • M27: 5,931,107 km (0.096 R)
  • M28: 6,051,832 km (0.098 R)
  • M29: 6,275,481 km (0.071 R)
  • M30: 6,605,494 km (0.059 R)
  • M31: 6,793,688 km (0.068 R)
  • M32: 6,899,005 km (0.058 R)
  • M33: 7,325,808 km (0.048 R)
  • M34: 7,673,473 km (0.1 R)
  • M35: 7,739,147 km (0.101 R)
  • M36: 8,863,075 km (0.1 R)
  • M37: 9,210,292 km (0.073 R)
  • M38: 9,774,874 km (0.045 R)
  • M39: 10,302,357 km (0.074 R)
  • M40: 12,658,822 km (0.052 R)
  • M41: 13,128,410 km (0.085 R)
  • M42: 13,207,248 km (0.087 R)
  • M43: 13,524,096 km (0.085 R)
  • M44: 14,246,355 km (0.116 R)
  • M45: 14,598,508 km (0.116 R)
  • M46: 14,680,189 km (0.113 R)
  • M47: 14,762,019 km (0.093 R)
  • M48: 15,063,309 km (0.099 R)
  • M49: 15,201,088 km (0.091 R)
  • M50: 16,487,181 km (0.111 R)
  • M51: 16,971,280 km (0.117 R)
  • M52: 17,431,144 km (0.05 R)
  • M53: 19,490,957 km (0.08 R)

Planet 3 - Ice Giant

Semi-Major Axis: 10.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 315.9

Radius: 7.3

Gravity: 5.93 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 8.23 AU - 13.19 AU

Year: 14589 Days

Day: 22.4 Hours

Environment

Temp: -194 °C

Axial Tilt: 28.5 °

Atmosphere: Hâ‚‚, CHâ‚„

Biome: None

Satellites (93)

Outer Limit: 67,641,609 km

  • M1: 112,946 km (0.099 R)
  • M2: 161,267 km (0.12 R)
  • M3: 402,119 km (0.114 R)
  • M4: 499,956 km (0.12 R)
  • M5: 622,327 km (0.072 R)
  • M6: 1,166,564 km (0.117 R)
  • M7: 2,067,293 km (0.102 R)
  • M8: 2,423,037 km (0.09 R)
  • M9: 2,661,795 km (0.099 R)
  • M10: 3,452,868 km (0.118 R)
  • M11: 3,511,960 km (0.099 R)
  • M12: 3,601,419 km (0.1 R)
  • M13: 3,904,804 km (0.081 R)
  • M14: 4,601,032 km (0.104 R)
  • M15: 4,863,726 km (0.051 R)
  • M16: 5,097,697 km (0.113 R)
  • M17: 6,105,388 km (0.115 R)
  • M18: 6,430,464 km (0.12 R)
  • M19: 6,503,468 km (0.056 R)
  • M20: 6,872,676 km (0.111 R)
  • M21: 7,135,220 km (0.105 R)
  • M22: 7,631,436 km (0.086 R)
  • M23: 7,981,645 km (0.059 R)
  • M24: 9,186,057 km (0.084 R)
  • M25: 10,105,037 km (0.104 R)
  • M26: 10,446,270 km (0.106 R)
  • M27: 11,316,331 km (0.116 R)
  • M28: 11,670,728 km (0.12 R)
  • M29: 11,804,618 km (0.05 R)
  • M30: 11,894,228 km (0.103 R)
  • M31: 12,164,102 km (0.104 R)
  • M32: 12,755,911 km (0.104 R)
  • M33: 13,543,993 km (0.088 R)
  • M34: 14,347,782 km (0.097 R)
  • M35: 14,683,181 km (0.062 R)
  • M36: 14,731,351 km (0.111 R)
  • M37: 14,827,842 km (0.1 R)
  • M38: 15,264,368 km (0.067 R)
  • M39: 16,951,234 km (0.116 R)
  • M40: 17,816,508 km (0.076 R)
  • M41: 17,919,282 km (0.08 R)
  • M42: 18,384,232 km (0.089 R)
  • M43: 19,378,609 km (0.109 R)
  • M44: 20,336,634 km (0.092 R)
  • M45: 20,983,794 km (0.047 R)
  • M46: 21,364,521 km (0.072 R)
  • M47: 21,637,836 km (0.107 R)
  • M48: 23,301,963 km (0.095 R)
  • M49: 23,752,701 km (0.099 R)
  • M50: 24,092,587 km (0.118 R)
  • M51: 24,605,559 km (0.106 R)
  • M52: 25,064,375 km (0.066 R)
  • M53: 25,294,906 km (0.119 R)
  • M54: 25,874,298 km (0.057 R)
  • M55: 25,990,835 km (0.085 R)
  • M56: 26,928,215 km (0.106 R)
  • M57: 27,519,875 km (0.103 R)
  • M58: 27,698,195 km (0.108 R)
  • M59: 28,415,218 km (0.09 R)
  • M60: 29,684,705 km (0.079 R)
  • M61: 29,928,550 km (0.11 R)
  • M62: 30,173,143 km (0.104 R)
  • M63: 30,725,907 km (0.116 R)
  • M64: 30,910,810 km (0.093 R)
  • M65: 31,405,979 km (0.076 R)
  • M66: 31,654,461 km (0.111 R)
  • M67: 32,466,777 km (0.12 R)
  • M68: 32,780,933 km (0.049 R)
  • M69: 32,843,913 km (0.095 R)
  • M70: 32,906,894 km (0.119 R)
  • M71: 34,239,362 km (0.113 R)
  • M72: 35,137,398 km (0.117 R)
  • M73: 35,524,707 km (0.12 R)
  • M74: 36,238,289 km (0.106 R)
  • M75: 36,498,888 km (0.063 R)
  • M76: 36,956,658 km (0.12 R)
  • M77: 37,219,053 km (0.03 R)
  • M78: 37,416,223 km (0.12 R)
  • M79: 38,540,301 km (0.086 R)
  • M80: 40,956,905 km (0.095 R)
  • M81: 41,568,760 km (0.11 R)
  • M82: 42,595,002 km (0.066 R)
  • M83: 43,076,856 km (0.098 R)
  • M84: 43,283,900 km (0.068 R)
  • M85: 43,491,392 km (0.104 R)
  • M86: 43,560,506 km (0.108 R)
  • M87: 43,837,711 km (0.092 R)
  • M88: 44,045,951 km (0.098 R)
  • M89: 44,184,928 km (0.113 R)
  • M90: 46,217,215 km (0.055 R)
  • M91: 46,287,825 km (0.068 R)
  • M92: 46,499,955 km (0.086 R)
  • M93: 46,924,962 km (0.099 R)

Planet 4 - Ice Giant

Semi-Major Axis: 11.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 812

Radius: 7.5

Gravity: 14.44 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 9.05 AU - 14.63 AU

Year: 16958 Days

Day: 20.4 Hours

Environment

Temp: -194 °C

Axial Tilt: 12.7 °

Atmosphere: Hâ‚‚, CHâ‚„

Biome: None

Satellites (90)

Outer Limit: 67,641,609 km

  • M1: 105,167 km (0.045 R)
  • M2: 154,834 km (0.061 R)
  • M3: 281,992 km (0.076 R)
  • M4: 430,842 km (0.08 R)
  • M5: 525,238 km (0.053 R)
  • M6: 691,441 km (0.107 R)
  • M7: 804,089 km (0.034 R)
  • M8: 874,699 km (0.109 R)
  • M9: 1,314,816 km (0.052 R)
  • M10: 1,910,215 km (0.11 R)
  • M11: 2,303,508 km (0.104 R)
  • M12: 2,544,510 km (0.058 R)
  • M13: 2,685,880 km (0.064 R)
  • M14: 4,071,156 km (0.075 R)
  • M15: 4,362,723 km (0.12 R)
  • M16: 4,489,731 km (0.027 R)
  • M17: 5,503,855 km (0.078 R)
  • M18: 5,687,113 km (0.094 R)
  • M19: 5,872,614 km (0.104 R)
  • M20: 7,376,073 km (0.061 R)
  • M21: 7,426,487 km (0.104 R)
  • M22: 8,723,351 km (0.119 R)
  • M23: 9,098,991 km (0.052 R)
  • M24: 9,207,300 km (0.07 R)
  • M25: 9,316,058 km (0.046 R)
  • M26: 9,589,672 km (0.098 R)
  • M27: 9,755,128 km (0.119 R)
  • M28: 10,882,348 km (0.116 R)
  • M29: 15,396,463 km (0.114 R)
  • M30: 15,784,969 km (0.097 R)
  • M31: 16,439,759 km (0.091 R)
  • M32: 16,969,784 km (0.066 R)
  • M33: 17,170,096 km (0.06 R)
  • M34: 17,303,986 km (0.114 R)
  • M35: 17,438,325 km (0.118 R)
  • M36: 17,505,494 km (0.086 R)
  • M37: 18,319,606 km (0.106 R)
  • M38: 18,938,193 km (0.107 R)
  • M39: 19,145,835 km (0.079 R)
  • M40: 20,266,472 km (0.079 R)
  • M41: 20,337,232 km (0.082 R)
  • M42: 20,478,901 km (0.082 R)
  • M43: 20,621,019 km (0.117 R)
  • M44: 21,480,160 km (0.108 R)
  • M45: 22,424,122 km (0.107 R)
  • M46: 23,455,899 km (0.055 R)
  • M47: 24,956,366 km (0.077 R)
  • M48: 25,336,344 km (0.054 R)
  • M49: 25,488,934 km (0.031 R)
  • M50: 27,813,236 km (0.08 R)
  • M51: 30,204,259 km (0.095 R)
  • M52: 30,690,452 km (0.082 R)
  • M53: 31,342,549 km (0.095 R)
  • M54: 31,588,338 km (0.055 R)
  • M55: 34,755,924 km (0.03 R)
  • M56: 35,180,183 km (0.104 R)
  • M57: 36,635,471 km (0.048 R)
  • M58: 37,587,512 km (0.066 R)
  • M59: 38,460,117 km (0.054 R)
  • M60: 38,898,887 km (0.076 R)
  • M61: 40,047,649 km (0.111 R)
  • M62: 41,476,608 km (0.081 R)
  • M63: 41,746,333 km (0.114 R)
  • M64: 41,926,598 km (0.119 R)
  • M65: 42,197,371 km (0.042 R)
  • M66: 42,559,248 km (0.103 R)
  • M67: 43,742,567 km (0.09 R)
  • M68: 43,925,675 km (0.073 R)
  • M69: 44,200,636 km (0.058 R)
  • M70: 44,384,342 km (0.067 R)
  • M71: 44,936,807 km (0.091 R)
  • M72: 46,234,718 km (0.093 R)
  • M73: 46,607,815 km (0.074 R)
  • M74: 47,545,046 km (0.103 R)
  • M75: 48,677,801 km (0.091 R)
  • M76: 48,772,646 km (0.112 R)
  • M77: 53,982,092 km (0.117 R)
  • M78: 54,276,651 km (0.077 R)
  • M79: 54,473,372 km (0.098 R)
  • M80: 56,055,369 km (0.115 R)
  • M81: 56,552,782 km (0.088 R)
  • M82: 57,051,691 km (0.095 R)
  • M83: 59,872,359 km (0.108 R)
  • M84: 60,177,239 km (0.061 R)
  • M85: 60,992,847 km (0.068 R)
  • M86: 62,017,592 km (0.114 R)
  • M87: 62,326,063 km (0.091 R)
  • M88: 64,395,750 km (0.053 R)
  • M89: 68,921,385 km (0.11 R)
  • M90: 70,846,111 km (0.105 R)

Planet 5 - Ice Giant

Semi-Major Axis: 12.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 409.4

Radius: 6.2

Gravity: 10.65 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 12.39 AU - 12.93 AU

Year: 18750 Days

Day: 17.9 Hours

Environment

Temp: -192 °C

Axial Tilt: 33.5 °

Atmosphere: Hâ‚‚, CHâ‚„

Biome: None

Satellites (98)

Outer Limit: 67,641,609 km

  • M1: 461,509 km (0.052 R)
  • M2: 682,017 km (0.1 R)
  • M3: 742,155 km (0.113 R)
  • M4: 933,640 km (0.076 R)
  • M5: 1,872,517 km (0.04 R)
  • M6: 2,016,131 km (0.103 R)
  • M7: 2,468,365 km (0.103 R)
  • M8: 2,786,859 km (0.078 R)
  • M9: 3,462,592 km (0.071 R)
  • M10: 3,532,903 km (0.091 R)
  • M11: 3,927,991 km (0.099 R)
  • M12: 4,075,046 km (0.092 R)
  • M13: 4,186,646 km (0.106 R)
  • M14: 4,837,846 km (0.119 R)
  • M15: 4,995,671 km (0.083 R)
  • M16: 5,195,384 km (0.08 R)
  • M17: 5,438,331 km (0.117 R)
  • M18: 5,561,301 km (0.12 R)
  • M19: 5,809,933 km (0.118 R)
  • M20: 5,893,707 km (0.079 R)
  • M21: 6,577,519 km (0.026 R)
  • M22: 6,664,735 km (0.114 R)
  • M23: 8,347,112 km (0.082 R)
  • M24: 10,762,819 km (0.085 R)
  • M25: 11,806,563 km (0.043 R)
  • M26: 12,179,511 km (0.065 R)
  • M27: 13,156,086 km (0.109 R)
  • M28: 14,326,838 km (0.112 R)
  • M29: 14,667,473 km (0.117 R)
  • M30: 14,724,470 km (0.108 R)
  • M31: 14,896,058 km (0.069 R)
  • M32: 15,010,800 km (0.096 R)
  • M33: 15,356,820 km (0.101 R)
  • M34: 15,939,204 km (0.043 R)
  • M35: 16,056,489 km (0.064 R)
  • M36: 16,115,281 km (0.06 R)
  • M37: 16,588,160 km (0.104 R)
  • M38: 17,486,944 km (0.117 R)
  • M39: 18,524,704 km (0.08 R)
  • M40: 19,770,855 km (0.058 R)
  • M41: 20,023,376 km (0.099 R)
  • M42: 22,606,333 km (0.077 R)
  • M43: 22,804,251 km (0.097 R)
  • M44: 22,870,373 km (0.071 R)
  • M45: 23,735,497 km (0.058 R)
  • M46: 23,869,537 km (0.057 R)
  • M47: 24,408,239 km (0.111 R)
  • M48: 24,475,708 km (0.062 R)
  • M49: 24,950,830 km (0.11 R)
  • M50: 25,910,052 km (0.098 R)
  • M51: 27,441,785 km (0.104 R)
  • M52: 27,935,158 km (0.112 R)
  • M53: 29,289,318 km (0.099 R)
  • M54: 31,176,795 km (0.093 R)
  • M55: 32,135,119 km (0.095 R)
  • M56: 32,580,771 km (0.111 R)
  • M57: 32,804,270 km (0.1 R)
  • M58: 34,307,728 km (0.107 R)
  • M59: 35,679,840 km (0.117 R)
  • M60: 36,372,777 km (0.032 R)
  • M61: 36,527,312 km (0.075 R)
  • M62: 36,992,262 km (0.111 R)
  • M63: 37,771,518 km (0.091 R)
  • M64: 38,006,386 km (0.102 R)
  • M65: 39,425,771 km (0.119 R)
  • M66: 40,062,160 km (0.079 R)
  • M67: 40,381,552 km (0.105 R)
  • M68: 42,234,770 km (0.047 R)
  • M69: 42,478,465 km (0.119 R)
  • M70: 43,049,181 km (0.109 R)
  • M71: 43,458,331 km (0.1 R)
  • M72: 43,868,678 km (0.085 R)
  • M73: 44,693,411 km (0.083 R)
  • M74: 45,107,648 km (0.079 R)
  • M75: 46,441,761 km (0.09 R)
  • M76: 47,113,755 km (0.088 R)
  • M77: 47,535,322 km (0.079 R)
  • M78: 48,552,288 km (0.116 R)
  • M79: 48,807,652 km (0.061 R)
  • M80: 49,063,464 km (0.116 R)
  • M81: 49,405,295 km (0.078 R)
  • M82: 49,833,594 km (0.113 R)
  • M83: 50,177,071 km (0.115 R)
  • M84: 50,435,277 km (0.113 R)
  • M85: 51,299,055 km (0.089 R)
  • M86: 51,385,672 km (0.103 R)
  • M87: 51,993,488 km (0.063 R)
  • M88: 52,866,092 km (0.114 R)
  • M89: 53,479,743 km (0.091 R)
  • M90: 54,095,787 km (0.1 R)
  • M91: 54,272,163 km (0.099 R)
  • M92: 54,802,637 km (0.04 R)
  • M93: 54,979,910 km (0.096 R)
  • M94: 55,157,184 km (0.097 R)
  • M95: 56,046,992 km (0.068 R)
  • M96: 58,473,170 km (0.103 R)
  • M97: 59,653,497 km (0.073 R)
  • M98: 61,300,719 km (0.097 R)

Planet 6 - Ice Giant

Semi-Major Axis: 14.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 397.2

Radius: 6.1

Gravity: 10.67 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 12.26 AU - 15.92 AU

Year: 22015 Days

Day: 18 Hours

Environment

Temp: -203 °C

Axial Tilt: 27.4 °

Atmosphere: Hâ‚‚, CHâ‚„

Biome: None

Satellites (73)

Outer Limit: 67,641,609 km

  • M1: 86,916 km (0.034 R)
  • M2: 153,787 km (0.076 R)
  • M3: 212,579 km (0.086 R)
  • M4: 1,169,855 km (0.069 R)
  • M5: 1,463,666 km (0.112 R)
  • M6: 2,244,566 km (0.114 R)
  • M7: 2,676,456 km (0.116 R)
  • M8: 3,806,518 km (0.074 R)
  • M9: 3,961,950 km (0.073 R)
  • M10: 4,278,948 km (0.104 R)
  • M11: 4,522,194 km (0.096 R)
  • M12: 4,728,340 km (0.087 R)
  • M13: 4,811,666 km (0.105 R)
  • M14: 4,979,814 km (0.066 R)
  • M15: 5,107,271 km (0.096 R)
  • M16: 5,321,944 km (0.062 R)
  • M17: 5,893,857 km (0.118 R)
  • M18: 7,871,391 km (0.097 R)
  • M19: 9,926,118 km (0.101 R)
  • M20: 10,086,487 km (0.119 R)
  • M21: 11,400,854 km (0.049 R)
  • M22: 12,942,609 km (0.107 R)
  • M23: 14,066,239 km (0.055 R)
  • M24: 14,126,228 km (0.074 R)
  • M25: 14,186,366 km (0.069 R)
  • M26: 14,975,196 km (0.025 R)
  • M27: 15,097,716 km (0.053 R)
  • M28: 15,529,605 km (0.105 R)
  • M29: 15,965,534 km (0.096 R)
  • M30: 17,232,927 km (0.119 R)
  • M31: 18,073,966 km (0.093 R)
  • M32: 18,466,660 km (0.07 R)
  • M33: 18,729,953 km (0.084 R)
  • M34: 19,393,868 km (0.099 R)
  • M35: 19,795,837 km (0.1 R)
  • M36: 20,132,881 km (0.108 R)
  • M37: 21,018,202 km (0.107 R)
  • M38: 22,194,938 km (0.048 R)
  • M39: 22,967,761 km (0.105 R)
  • M40: 25,924,713 km (0.055 R)
  • M41: 26,812,726 km (0.078 R)
  • M42: 27,036,225 km (0.117 R)
  • M43: 28,390,385 km (0.118 R)
  • M44: 31,007,749 km (0.1 R)
  • M45: 31,556,175 km (0.105 R)
  • M46: 32,980,945 km (0.086 R)
  • M47: 33,060,681 km (0.103 R)
  • M48: 33,781,443 km (0.118 R)
  • M49: 34,022,894 km (0.088 R)
  • M50: 34,994,383 km (0.087 R)
  • M51: 37,296,245 km (0.093 R)
  • M52: 42,044,332 km (0.081 R)
  • M53: 45,995,212 km (0.117 R)
  • M54: 47,608,475 km (0.119 R)
  • M55: 48,240,825 km (0.087 R)
  • M56: 49,057,929 km (0.066 R)
  • M57: 49,788,116 km (0.072 R)
  • M58: 50,246,185 km (0.088 R)
  • M59: 51,721,818 km (0.062 R)
  • M60: 52,185,871 km (0.116 R)
  • M61: 52,558,070 km (0.079 R)
  • M62: 53,679,905 km (0.102 R)
  • M63: 53,773,852 km (0.09 R)
  • M64: 59,892,704 km (0.099 R)
  • M65: 61,260,178 km (0.107 R)
  • M66: 61,358,315 km (0.1 R)
  • M67: 62,736,859 km (0.118 R)
  • M68: 63,132,545 km (0.101 R)
  • M69: 63,330,763 km (0.065 R)
  • M70: 64,225,208 km (0.104 R)
  • M71: 65,123,843 km (0.093 R)
  • M72: 65,725,226 km (0.085 R)
  • M73: 65,825,606 km (0.114 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 214 - 11,461 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit