Star System Generated (Seed: 1766986885)

Star Details

Spectral Class: M6V

Temperature: 2,833 K

Mass: 0.29 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: 10.8 AU

Planetary System (5 Planets)

Asteroid Belt

Center: 2.09 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 4.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 758

Radius: 8.9

Gravity: 9.57 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 3.67 AU - 4.67 AU

Year: 5776 Days

Day: 14.3 Hours

Environment

Temp: -213 °C

Axial Tilt: 27.6 °

Atmosphere: Hâ‚‚, CHâ‚„

Biome: None

Satellites (85)

Outer Limit: 57,154,422 km

  • M1: 111,750 km (0.078 R)
  • M2: 193,430 km (0.069 R)
  • M3: 316,100 km (0.047 R)
  • M4: 374,593 km (0.108 R)
  • M5: 540,796 km (0.081 R)
  • M6: 1,162,076 km (0.117 R)
  • M7: 1,310,328 km (0.105 R)
  • M8: 1,395,299 km (0.111 R)
  • M9: 1,698,684 km (0.066 R)
  • M10: 1,754,334 km (0.091 R)
  • M11: 1,964,070 km (0.119 R)
  • M12: 2,042,310 km (0.114 R)
  • M13: 2,181,885 km (0.074 R)
  • M14: 2,407,778 km (0.071 R)
  • M15: 2,971,612 km (0.099 R)
  • M16: 3,268,564 km (0.102 R)
  • M17: 3,432,523 km (0.045 R)
  • M18: 3,768,520 km (0.075 R)
  • M19: 3,841,973 km (0.074 R)
  • M20: 4,115,288 km (0.062 R)
  • M21: 4,216,117 km (0.075 R)
  • M22: 4,839,192 km (0.117 R)
  • M23: 5,940,681 km (0.08 R)
  • M24: 6,343,997 km (0.108 R)
  • M25: 6,578,417 km (0.112 R)
  • M26: 6,935,507 km (0.115 R)
  • M27: 7,237,844 km (0.088 R)
  • M28: 7,452,068 km (0.054 R)
  • M29: 7,513,703 km (0.093 R)
  • M30: 9,174,239 km (0.036 R)
  • M31: 9,472,986 km (0.057 R)
  • M32: 9,673,746 km (0.068 R)
  • M33: 10,079,755 km (0.089 R)
  • M34: 10,353,519 km (0.05 R)
  • M35: 10,422,334 km (0.059 R)
  • M36: 10,803,509 km (0.058 R)
  • M37: 11,472,810 km (0.069 R)
  • M38: 12,083,020 km (0.079 R)
  • M39: 12,191,778 km (0.048 R)
  • M40: 12,446,842 km (0.102 R)
  • M41: 12,814,404 km (0.104 R)
  • M42: 13,635,397 km (0.053 R)
  • M43: 13,786,491 km (0.059 R)
  • M44: 14,205,066 km (0.043 R)
  • M45: 15,564,013 km (0.086 R)
  • M46: 16,119,171 km (0.105 R)
  • M47: 16,238,998 km (0.101 R)
  • M48: 16,519,794 km (0.081 R)
  • M49: 16,600,277 km (0.098 R)
  • M50: 16,721,302 km (0.097 R)
  • M51: 16,964,099 km (0.07 R)
  • M52: 17,535,414 km (0.09 R)
  • M53: 17,905,968 km (0.068 R)
  • M54: 18,113,011 km (0.106 R)
  • M55: 19,584,156 km (0.083 R)
  • M56: 20,701,653 km (0.097 R)
  • M57: 21,399,527 km (0.114 R)
  • M58: 21,751,530 km (0.106 R)
  • M59: 22,639,543 km (0.111 R)
  • M60: 23,088,038 km (0.12 R)
  • M61: 23,630,031 km (0.113 R)
  • M62: 23,857,120 km (0.064 R)
  • M63: 24,084,958 km (0.114 R)
  • M64: 24,680,657 km (0.05 R)
  • M65: 24,772,809 km (0.1 R)
  • M66: 24,911,037 km (0.104 R)
  • M67: 25,142,166 km (0.102 R)
  • M68: 25,466,943 km (0.105 R)
  • M69: 25,886,565 km (0.117 R)
  • M70: 26,214,633 km (0.116 R)
  • M71: 26,638,294 km (0.113 R)
  • M72: 27,254,189 km (0.099 R)
  • M73: 28,066,805 km (0.059 R)
  • M74: 28,645,299 km (0.066 R)
  • M75: 28,790,409 km (0.097 R)
  • M76: 28,887,349 km (0.032 R)
  • M77: 30,157,584 km (0.102 R)
  • M78: 30,997,876 km (0.111 R)
  • M79: 31,545,703 km (0.094 R)
  • M80: 32,046,557 km (0.087 R)
  • M81: 32,247,616 km (0.084 R)
  • M82: 32,600,518 km (0.047 R)
  • M83: 32,954,616 km (0.109 R)
  • M84: 33,208,334 km (0.117 R)
  • M85: 33,411,936 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 5.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 713.5

Radius: 10

Gravity: 7.14 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 5.08 AU - 5.26 AU

Year: 7973 Days

Day: 5.1 Hours

Environment

Temp: -216 °C

Axial Tilt: 34.6 °

Atmosphere: Hâ‚‚, CHâ‚„

Biome: None

Satellites (80)

Outer Limit: 57,154,422 km

  • M1: 299,046 km (0.101 R)
  • M2: 362,775 km (0.065 R)
  • M3: 457,620 km (0.073 R)
  • M4: 521,947 km (0.099 R)
  • M5: 618,288 km (0.048 R)
  • M6: 736,620 km (0.119 R)
  • M7: 798,853 km (0.116 R)
  • M8: 1,174,942 km (0.086 R)
  • M9: 1,305,690 km (0.095 R)
  • M10: 2,054,278 km (0.109 R)
  • M11: 2,496,040 km (0.07 R)
  • M12: 3,850,051 km (0.057 R)
  • M13: 4,219,109 km (0.047 R)
  • M14: 5,614,857 km (0.049 R)
  • M15: 5,678,586 km (0.12 R)
  • M16: 5,935,894 km (0.08 R)
  • M17: 6,000,819 km (0.084 R)
  • M18: 6,196,942 km (0.073 R)
  • M19: 6,730,707 km (0.089 R)
  • M20: 6,968,867 km (0.097 R)
  • M21: 7,244,426 km (0.065 R)
  • M22: 7,841,920 km (0.101 R)
  • M23: 7,949,032 km (0.078 R)
  • M24: 8,823,432 km (0.089 R)
  • M25: 8,897,633 km (0.077 R)
  • M26: 9,009,382 km (0.101 R)
  • M27: 10,074,968 km (0.032 R)
  • M28: 10,152,609 km (0.111 R)
  • M29: 10,347,535 km (0.088 R)
  • M30: 10,979,885 km (0.081 R)
  • M31: 11,139,805 km (0.035 R)
  • M32: 11,220,139 km (0.115 R)
  • M33: 11,706,033 km (0.109 R)
  • M34: 12,240,247 km (0.103 R)
  • M35: 12,364,713 km (0.105 R)
  • M36: 13,119,883 km (0.05 R)
  • M37: 13,846,929 km (0.108 R)
  • M38: 14,280,762 km (0.089 R)
  • M39: 14,630,971 km (0.047 R)
  • M40: 17,533,469 km (0.065 R)
  • M41: 17,908,511 km (0.081 R)
  • M42: 18,002,608 km (0.113 R)
  • M43: 18,761,967 km (0.094 R)
  • M44: 18,953,452 km (0.06 R)
  • M45: 19,049,494 km (0.087 R)
  • M46: 19,969,371 km (0.089 R)
  • M47: 20,557,889 km (0.111 R)
  • M48: 21,152,092 km (0.057 R)
  • M49: 21,501,253 km (0.116 R)
  • M50: 22,104,432 km (0.057 R)
  • M51: 22,458,680 km (0.1 R)
  • M52: 23,791,447 km (0.078 R)
  • M53: 24,154,521 km (0.095 R)
  • M54: 24,728,977 km (0.044 R)
  • M55: 25,519,602 km (0.114 R)
  • M56: 25,678,624 km (0.092 R)
  • M57: 26,532,828 km (0.065 R)
  • M58: 27,885,941 km (0.09 R)
  • M59: 29,762,197 km (0.063 R)
  • M60: 29,929,597 km (0.111 R)
  • M61: 30,097,446 km (0.05 R)
  • M62: 30,377,792 km (0.114 R)
  • M63: 30,715,435 km (0.087 R)
  • M64: 31,110,822 km (0.04 R)
  • M65: 31,792,689 km (0.098 R)
  • M66: 32,479,493 km (0.08 R)
  • M67: 33,228,978 km (0.074 R)
  • M68: 33,925,955 km (0.074 R)
  • M69: 34,393,298 km (0.108 R)
  • M70: 35,334,269 km (0.066 R)
  • M71: 35,986,067 km (0.076 R)
  • M72: 36,164,537 km (0.039 R)
  • M73: 36,343,307 km (0.056 R)
  • M74: 36,761,582 km (0.116 R)
  • M75: 37,001,238 km (0.036 R)
  • M76: 37,844,372 km (0.109 R)
  • M77: 38,207,595 km (0.12 R)
  • M78: 40,658,906 km (0.081 R)
  • M79: 41,279,588 km (0.086 R)
  • M80: 41,528,818 km (0.042 R)

Planet 3 - Ice Giant

Semi-Major Axis: 9.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 443.3

Radius: 7.3

Gravity: 8.32 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 9.11 AU - 10.77 AU

Year: 21255 Days

Day: 24.4 Hours

Environment

Temp: -226 °C

Axial Tilt: 6.5 °

Atmosphere: Hâ‚‚, CHâ‚„

Biome: None

Satellites (94)

Outer Limit: 57,154,422 km

  • M1: 299,046 km (0.106 R)
  • M2: 926,011 km (0.073 R)
  • M3: 1,581,848 km (0.088 R)
  • M4: 2,158,697 km (0.094 R)
  • M5: 2,795,087 km (0.108 R)
  • M6: 3,792,306 km (0.11 R)
  • M7: 4,762,149 km (0.045 R)
  • M8: 4,931,045 km (0.089 R)
  • M9: 5,449,402 km (0.061 R)
  • M10: 5,537,515 km (0.076 R)
  • M11: 5,759,817 km (0.094 R)
  • M12: 5,984,962 km (0.116 R)
  • M13: 6,259,175 km (0.108 R)
  • M14: 7,010,156 km (0.026 R)
  • M15: 7,690,378 km (0.081 R)
  • M16: 9,323,089 km (0.101 R)
  • M17: 10,450,608 km (0.12 R)
  • M18: 10,505,361 km (0.032 R)
  • M19: 10,891,323 km (0.075 R)
  • M20: 11,114,075 km (0.075 R)
  • M21: 11,791,155 km (0.116 R)
  • M22: 12,077,186 km (0.09 R)
  • M23: 12,539,742 km (0.113 R)
  • M24: 12,773,115 km (0.116 R)
  • M25: 13,066,925 km (0.119 R)
  • M26: 13,362,979 km (0.056 R)
  • M27: 13,781,105 km (0.077 R)
  • M28: 13,961,670 km (0.099 R)
  • M29: 14,021,958 km (0.101 R)
  • M30: 14,264,307 km (0.074 R)
  • M31: 14,507,852 km (0.114 R)
  • M32: 15,433,863 km (0.098 R)
  • M33: 16,188,434 km (0.11 R)
  • M34: 16,251,864 km (0.084 R)
  • M35: 17,019,301 km (0.089 R)
  • M36: 17,407,507 km (0.104 R)
  • M37: 18,126,624 km (0.099 R)
  • M38: 18,456,787 km (0.097 R)
  • M39: 18,855,465 km (0.104 R)
  • M40: 19,391,624 km (0.085 R)
  • M41: 22,358,000 km (0.06 R)
  • M42: 23,497,338 km (0.118 R)
  • M43: 23,569,145 km (0.069 R)
  • M44: 23,713,058 km (0.068 R)
  • M45: 24,001,782 km (0.118 R)
  • M46: 24,146,443 km (0.115 R)
  • M47: 24,582,521 km (0.086 R)
  • M48: 25,684,010 km (0.09 R)
  • M49: 26,801,506 km (0.106 R)
  • M50: 27,177,595 km (0.044 R)
  • M51: 27,706,872 km (0.096 R)
  • M52: 28,163,445 km (0.105 R)
  • M53: 29,006,728 km (0.1 R)
  • M54: 29,083,771 km (0.118 R)
  • M55: 30,875,205 km (0.076 R)
  • M56: 32,302,070 km (0.074 R)
  • M57: 32,862,613 km (0.083 R)
  • M58: 33,184,548 km (0.105 R)
  • M59: 34,973,140 km (0.105 R)
  • M60: 36,127,587 km (0.088 R)
  • M61: 36,293,491 km (0.077 R)
  • M62: 36,376,517 km (0.076 R)
  • M63: 38,135,489 km (0.118 R)
  • M64: 38,558,402 km (0.084 R)
  • M65: 39,408,717 km (0.11 R)
  • M66: 40,351,333 km (0.029 R)
  • M67: 41,301,279 km (0.063 R)
  • M68: 43,929,415 km (0.054 R)
  • M69: 44,106,539 km (0.092 R)
  • M70: 46,250,575 km (0.104 R)
  • M71: 46,972,684 km (0.111 R)
  • M72: 47,153,847 km (0.077 R)
  • M73: 48,702,784 km (0.081 R)
  • M74: 49,529,611 km (0.03 R)
  • M75: 50,453,677 km (0.09 R)
  • M76: 50,917,879 km (0.12 R)
  • M77: 51,103,829 km (0.1 R)
  • M78: 51,756,974 km (0.115 R)
  • M79: 52,225,065 km (0.065 R)
  • M80: 53,354,230 km (0.071 R)
  • M81: 53,543,322 km (0.042 R)
  • M82: 55,445,309 km (0.098 R)
  • M83: 56,020,363 km (0.066 R)
  • M84: 57,079,516 km (0.118 R)
  • M85: 57,757,045 km (0.04 R)
  • M86: 59,413,393 km (0.075 R)
  • M87: 60,198,183 km (0.072 R)
  • M88: 60,986,564 km (0.111 R)
  • M89: 64,777,224 km (0.119 R)
  • M90: 65,686,181 km (0.114 R)
  • M91: 67,108,408 km (0.043 R)
  • M92: 67,414,635 km (0.111 R)
  • M93: 67,618,836 km (0.038 R)
  • M94: 68,335,709 km (0.118 R)

Planet 4 - Ice Giant

Semi-Major Axis: 9.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 49.1

Radius: 7.1

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 8.98 AU - 10.96 AU

Year: 21352 Days

Day: 15.5 Hours

Environment

Temp: -228 °C

Axial Tilt: 42.9 °

Atmosphere: Hâ‚‚, CHâ‚„

Biome: None

Satellites (62)

Outer Limit: 57,154,422 km

  • M1: 126,261 km (0.113 R)
  • M2: 242,498 km (0.059 R)
  • M3: 332,257 km (0.083 R)
  • M4: 434,582 km (0.098 R)
  • M5: 596,596 km (0.103 R)
  • M6: 962,513 km (0.102 R)
  • M7: 1,145,172 km (0.084 R)
  • M8: 2,136,706 km (0.099 R)
  • M9: 3,055,537 km (0.087 R)
  • M10: 3,791,558 km (0.12 R)
  • M11: 4,303,332 km (0.072 R)
  • M12: 4,478,811 km (0.108 R)
  • M13: 4,862,679 km (0.119 R)
  • M14: 5,498,769 km (0.115 R)
  • M15: 5,937,390 km (0.051 R)
  • M16: 6,020,866 km (0.101 R)
  • M17: 6,558,670 km (0.105 R)
  • M18: 6,673,860 km (0.111 R)
  • M19: 7,529,111 km (0.109 R)
  • M20: 8,859,485 km (0.102 R)
  • M21: 9,018,807 km (0.096 R)
  • M22: 9,082,835 km (0.074 R)
  • M23: 11,694,963 km (0.047 R)
  • M24: 11,834,837 km (0.114 R)
  • M25: 13,190,792 km (0.037 R)
  • M26: 13,629,114 km (0.12 R)
  • M27: 13,923,971 km (0.083 R)
  • M28: 14,482,570 km (0.061 R)
  • M29: 14,745,713 km (0.116 R)
  • M30: 14,859,108 km (0.075 R)
  • M31: 15,086,496 km (0.115 R)
  • M32: 15,200,640 km (0.086 R)
  • M33: 16,396,974 km (0.092 R)
  • M34: 17,184,756 km (0.077 R)
  • M35: 17,303,986 km (0.11 R)
  • M36: 17,583,285 km (0.106 R)
  • M37: 17,864,080 km (0.054 R)
  • M38: 18,715,142 km (0.101 R)
  • M39: 18,960,782 km (0.09 R)
  • M40: 19,621,107 km (0.059 R)
  • M41: 19,828,899 km (0.081 R)
  • M42: 20,625,507 km (0.104 R)
  • M43: 20,836,889 km (0.115 R)
  • M44: 21,904,419 km (0.096 R)
  • M45: 22,249,841 km (0.097 R)
  • M46: 22,553,375 km (0.109 R)
  • M47: 23,164,931 km (0.114 R)
  • M48: 23,737,592 km (0.108 R)
  • M49: 24,136,868 km (0.098 R)
  • M50: 24,181,299 km (0.059 R)
  • M51: 24,225,879 km (0.109 R)
  • M52: 25,166,999 km (0.112 R)
  • M53: 26,211,641 km (0.084 R)
  • M54: 27,874,870 km (0.072 R)
  • M55: 28,907,993 km (0.117 R)
  • M56: 29,097,085 km (0.111 R)
  • M57: 29,476,764 km (0.099 R)
  • M58: 30,240,910 km (0.104 R)
  • M59: 31,545,105 km (0.113 R)
  • M60: 31,837,419 km (0.116 R)
  • M61: 31,886,188 km (0.108 R)
  • M62: 32,621,312 km (0.115 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 240.7

Radius: 6.7

Gravity: 5.36 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 9.66 AU - 10.66 AU

Year: 21965 Days

Day: 16.2 Hours

Environment

Temp: -236 °C

Axial Tilt: 35.7 °

Atmosphere: Hâ‚‚, CHâ‚„

Biome: None

Satellites (93)

Outer Limit: 57,154,422 km

  • M1: 116,686 km (0.101 R)
  • M2: 257,009 km (0.032 R)
  • M3: 1,573,171 km (0.103 R)
  • M4: 1,675,945 km (0.056 R)
  • M5: 1,915,152 km (0.106 R)
  • M6: 2,025,106 km (0.095 R)
  • M7: 2,367,386 km (0.083 R)
  • M8: 2,575,327 km (0.116 R)
  • M9: 2,945,732 km (0.086 R)
  • M10: 3,735,908 km (0.102 R)
  • M11: 3,839,130 km (0.098 R)
  • M12: 4,225,541 km (0.09 R)
  • M13: 4,478,063 km (0.115 R)
  • M14: 5,458,228 km (0.103 R)
  • M15: 6,337,415 km (0.112 R)
  • M16: 6,793,539 km (0.106 R)
  • M17: 7,131,779 km (0.074 R)
  • M18: 7,174,415 km (0.045 R)
  • M19: 8,268,723 km (0.084 R)
  • M20: 8,720,957 km (0.074 R)
  • M21: 8,812,362 km (0.079 R)
  • M22: 9,743,758 km (0.057 R)
  • M23: 9,838,603 km (0.106 R)
  • M24: 10,269,295 km (0.093 R)
  • M25: 12,256,853 km (0.118 R)
  • M26: 12,359,327 km (0.097 R)
  • M27: 12,927,799 km (0.106 R)
  • M28: 13,189,147 km (0.12 R)
  • M29: 13,663,671 km (0.046 R)
  • M30: 14,090,324 km (0.112 R)
  • M31: 14,251,441 km (0.11 R)
  • M32: 14,738,382 km (0.118 R)
  • M33: 14,901,893 km (0.107 R)
  • M34: 15,011,249 km (0.097 R)
  • M35: 15,175,806 km (0.114 R)
  • M36: 15,451,366 km (0.106 R)
  • M37: 16,175,719 km (0.113 R)
  • M38: 16,288,067 km (0.102 R)
  • M39: 16,400,714 km (0.106 R)
  • M40: 17,253,870 km (0.041 R)
  • M41: 17,541,547 km (0.113 R)
  • M42: 17,714,931 km (0.069 R)
  • M43: 17,830,720 km (0.079 R)
  • M44: 17,888,764 km (0.05 R)
  • M45: 18,766,754 km (0.054 R)
  • M46: 18,944,027 km (0.102 R)
  • M47: 19,598,817 km (0.117 R)
  • M48: 19,898,910 km (0.086 R)
  • M49: 20,260,937 km (0.071 R)
  • M50: 20,321,524 km (0.12 R)
  • M51: 21,545,385 km (0.088 R)
  • M52: 21,979,368 km (0.092 R)
  • M53: 22,856,011 km (0.096 R)
  • M54: 23,298,672 km (0.068 R)
  • M55: 24,064,014 km (0.107 R)
  • M56: 25,422,961 km (0.12 R)
  • M57: 25,684,608 km (0.118 R)
  • M58: 26,210,744 km (0.089 R)
  • M59: 27,407,227 km (0.099 R)
  • M60: 27,608,437 km (0.11 R)
  • M61: 28,350,143 km (0.093 R)
  • M62: 29,991,232 km (0.115 R)
  • M63: 31,733,149 km (0.114 R)
  • M64: 32,297,582 km (0.093 R)
  • M65: 33,221,648 km (0.046 R)
  • M66: 34,515,370 km (0.1 R)
  • M67: 34,877,696 km (0.114 R)
  • M68: 35,387,077 km (0.117 R)
  • M69: 35,533,085 km (0.112 R)
  • M70: 36,192,512 km (0.119 R)
  • M71: 36,708,176 km (0.048 R)
  • M72: 39,096,207 km (0.092 R)
  • M73: 39,701,181 km (0.047 R)
  • M74: 40,614,176 km (0.118 R)
  • M75: 41,765,182 km (0.109 R)
  • M76: 42,073,952 km (0.106 R)
  • M77: 44,807,704 km (0.093 R)
  • M78: 45,044,667 km (0.051 R)
  • M79: 45,440,652 km (0.03 R)
  • M80: 45,996,857 km (0.083 R)
  • M81: 46,235,915 km (0.062 R)
  • M82: 46,475,421 km (0.115 R)
  • M83: 47,437,335 km (0.078 R)
  • M84: 47,517,819 km (0.095 R)
  • M85: 50,034,803 km (0.097 R)
  • M86: 50,691,238 km (0.092 R)
  • M87: 50,773,517 km (0.104 R)
  • M88: 51,515,972 km (0.066 R)
  • M89: 51,847,032 km (0.101 R)
  • M90: 52,761,224 km (0.116 R)
  • M91: 53,178,602 km (0.088 R)
  • M92: 56,470,952 km (0.116 R)
  • M93: 56,556,223 km (0.106 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 527 - 13,991 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit