Star System Generated (Seed: 1766049242)

Star Details

Spectral Class: M5V

Temperature: 3,050 K

Mass: 0.3 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: 11 AU

Planetary System (6 Planets)

Asteroid Belt

Center: 0.6 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 528.2

Radius: 9.2

Gravity: 6.24 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 1.11 AU - 1.27 AU

Year: 866 Days

Day: 13.8 Hours

Environment

Temp: -184 °C

Axial Tilt: 25.8 °

Atmosphere: Hâ‚‚, CHâ‚„

Biome: None

Satellites (57)

Outer Limit: 63,321,154 km

  • M1: 114,742 km (0.113 R)
  • M2: 203,603 km (0.082 R)
  • M3: 390,899 km (0.049 R)
  • M4: 493,972 km (0.105 R)
  • M5: 559,047 km (0.093 R)
  • M6: 678,127 km (0.092 R)
  • M7: 757,115 km (0.1 R)
  • M8: 873,502 km (0.073 R)
  • M9: 942,915 km (0.087 R)
  • M10: 1,008,140 km (0.062 R)
  • M11: 1,081,293 km (0.1 R)
  • M12: 1,200,822 km (0.078 R)
  • M13: 1,338,303 km (0.116 R)
  • M14: 1,405,622 km (0.051 R)
  • M15: 1,481,169 km (0.072 R)
  • M16: 1,650,663 km (0.062 R)
  • M17: 1,745,358 km (0.092 R)
  • M18: 1,909,617 km (0.069 R)
  • M19: 1,970,503 km (0.114 R)
  • M20: 2,134,014 km (0.071 R)
  • M21: 2,375,165 km (0.07 R)
  • M22: 2,557,824 km (0.116 R)
  • M23: 2,625,293 km (0.098 R)
  • M24: 2,693,510 km (0.063 R)
  • M25: 2,989,863 km (0.12 R)
  • M26: 3,124,052 km (0.075 R)
  • M27: 3,187,332 km (0.069 R)
  • M28: 3,407,690 km (0.088 R)
  • M29: 3,482,190 km (0.039 R)
  • M30: 3,613,985 km (0.052 R)
  • M31: 3,805,171 km (0.081 R)
  • M32: 4,157,774 km (0.109 R)
  • M33: 4,227,636 km (0.063 R)
  • M34: 4,459,812 km (0.11 R)
  • M35: 4,603,126 km (0.086 R)
  • M36: 4,789,675 km (0.084 R)
  • M37: 4,862,978 km (0.041 R)
  • M38: 5,299,505 km (0.109 R)
  • M39: 5,364,430 km (0.047 R)
  • M40: 5,495,179 km (0.117 R)
  • M41: 5,660,035 km (0.083 R)
  • M42: 5,737,527 km (0.115 R)
  • M43: 5,804,248 km (0.063 R)
  • M44: 6,073,674 km (0.06 R)
  • M45: 6,381,845 km (0.028 R)
  • M46: 6,439,440 km (0.11 R)
  • M47: 6,555,229 km (0.074 R)
  • M48: 6,671,616 km (0.075 R)
  • M49: 6,777,083 km (0.083 R)
  • M50: 6,882,998 km (0.102 R)
  • M51: 6,954,057 km (0.093 R)
  • M52: 7,312,494 km (0.059 R)
  • M53: 7,433,369 km (0.097 R)
  • M54: 7,849,101 km (0.086 R)
  • M55: 7,997,801 km (0.081 R)
  • M56: 8,222,348 km (0.114 R)
  • M57: 8,499,702 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 635.4

Radius: 11.6

Gravity: 4.72 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 1.11 AU - 1.51 AU

Year: 1000 Days

Day: 6.2 Hours

Environment

Temp: -179 °C

Axial Tilt: 6.8 °

Atmosphere: Hâ‚‚, CHâ‚„

Biome: None

Satellites (59)

Outer Limit: 63,321,154 km

  • M1: 145,110 km (0.104 R)
  • M2: 272,268 km (0.036 R)
  • M3: 453,431 km (0.031 R)
  • M4: 536,458 km (0.095 R)
  • M5: 609,462 km (0.07 R)
  • M6: 703,708 km (0.106 R)
  • M7: 809,474 km (0.089 R)
  • M8: 889,659 km (0.104 R)
  • M9: 1,120,039 km (0.116 R)
  • M10: 1,196,633 km (0.114 R)
  • M11: 1,333,216 km (0.052 R)
  • M12: 1,430,006 km (0.096 R)
  • M13: 1,506,002 km (0.055 R)
  • M14: 1,622,838 km (0.116 R)
  • M15: 1,924,277 km (0.109 R)
  • M16: 2,068,939 km (0.105 R)
  • M17: 2,199,537 km (0.062 R)
  • M18: 2,288,249 km (0.12 R)
  • M19: 2,460,287 km (0.087 R)
  • M20: 2,533,889 km (0.109 R)
  • M21: 2,884,696 km (0.098 R)
  • M22: 3,001,831 km (0.081 R)
  • M23: 3,150,681 km (0.071 R)
  • M24: 3,517,644 km (0.066 R)
  • M25: 3,590,648 km (0.107 R)
  • M26: 3,664,250 km (0.067 R)
  • M27: 3,738,152 km (0.102 R)
  • M28: 3,866,357 km (0.109 R)
  • M29: 4,006,680 km (0.094 R)
  • M30: 4,104,966 km (0.095 R)
  • M31: 4,193,079 km (0.096 R)
  • M32: 4,370,951 km (0.116 R)
  • M33: 4,483,448 km (0.104 R)
  • M34: 4,574,254 km (0.078 R)
  • M35: 4,908,157 km (0.112 R)
  • M36: 5,048,779 km (0.118 R)
  • M37: 5,406,168 km (0.118 R)
  • M38: 5,612,314 km (0.081 R)
  • M39: 5,771,785 km (0.056 R)
  • M40: 5,895,353 km (0.047 R)
  • M41: 5,970,002 km (0.102 R)
  • M42: 6,057,517 km (0.059 R)
  • M43: 6,145,481 km (0.053 R)
  • M44: 6,335,320 km (0.091 R)
  • M45: 6,437,346 km (0.11 R)
  • M46: 6,539,970 km (0.103 R)
  • M47: 6,746,714 km (0.1 R)
  • M48: 6,890,328 km (0.089 R)
  • M49: 7,127,291 km (0.065 R)
  • M50: 7,286,763 km (0.093 R)
  • M51: 7,474,358 km (0.037 R)
  • M52: 7,936,616 km (0.055 R)
  • M53: 8,268,574 km (0.116 R)
  • M54: 8,380,323 km (0.104 R)
  • M55: 8,506,584 km (0.107 R)
  • M56: 8,817,747 km (0.097 R)
  • M57: 9,118,439 km (0.036 R)
  • M58: 9,524,597 km (0.092 R)
  • M59: 9,671,054 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 566.9

Radius: 9.2

Gravity: 6.7 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 1.77 AU - 1.81 AU

Year: 1597 Days

Day: 13.8 Hours

Environment

Temp: -200 °C

Axial Tilt: 0.5 °

Atmosphere: Hâ‚‚, CHâ‚„

Biome: None

Satellites (61)

Outer Limit: 63,321,154 km

  • M1: 114,891 km (0.078 R)
  • M2: 172,636 km (0.115 R)
  • M3: 231,578 km (0.101 R)
  • M4: 297,849 km (0.065 R)
  • M5: 406,009 km (0.115 R)
  • M6: 468,989 km (0.088 R)
  • M7: 593,455 km (0.112 R)
  • M8: 653,443 km (0.076 R)
  • M9: 765,792 km (0.099 R)
  • M10: 1,083,986 km (0.082 R)
  • M11: 1,324,390 km (0.106 R)
  • M12: 1,396,347 km (0.108 R)
  • M13: 1,553,574 km (0.066 R)
  • M14: 1,639,144 km (0.078 R)
  • M15: 1,946,567 km (0.085 R)
  • M16: 2,112,472 km (0.042 R)
  • M17: 2,272,242 km (0.114 R)
  • M18: 2,592,681 km (0.119 R)
  • M19: 2,986,572 km (0.093 R)
  • M20: 3,227,125 km (0.088 R)
  • M21: 3,337,528 km (0.116 R)
  • M22: 3,612,639 km (0.102 R)
  • M23: 3,714,515 km (0.107 R)
  • M24: 3,778,693 km (0.045 R)
  • M25: 3,934,274 km (0.055 R)
  • M26: 4,091,951 km (0.065 R)
  • M27: 4,251,721 km (0.05 R)
  • M28: 4,605,071 km (0.077 R)
  • M29: 4,687,948 km (0.076 R)
  • M30: 5,067,179 km (0.115 R)
  • M31: 5,311,173 km (0.115 R)
  • M32: 5,544,247 km (0.113 R)
  • M33: 5,706,411 km (0.08 R)
  • M34: 5,765,801 km (0.057 R)
  • M35: 6,050,785 km (0.094 R)
  • M36: 6,202,477 km (0.109 R)
  • M37: 6,340,257 km (0.103 R)
  • M38: 6,587,692 km (0.102 R)
  • M39: 6,681,191 km (0.102 R)
  • M40: 7,107,844 km (0.057 R)
  • M41: 7,478,248 km (0.061 R)
  • M42: 7,559,629 km (0.115 R)
  • M43: 7,723,289 km (0.097 R)
  • M44: 8,137,526 km (0.091 R)
  • M45: 8,457,216 km (0.099 R)
  • M46: 8,558,943 km (0.093 R)
  • M47: 8,678,322 km (0.098 R)
  • M48: 8,746,688 km (0.115 R)
  • M49: 8,953,133 km (0.059 R)
  • M50: 9,022,248 km (0.062 R)
  • M51: 9,283,146 km (0.084 R)
  • M52: 9,388,164 km (0.104 R)
  • M53: 9,528,786 km (0.108 R)
  • M54: 9,687,958 km (0.086 R)
  • M55: 9,901,434 km (0.097 R)
  • M56: 10,533,186 km (0.112 R)
  • M57: 11,029,402 km (0.112 R)
  • M58: 12,159,315 km (0.035 R)
  • M59: 12,216,761 km (0.065 R)
  • M60: 12,524,783 km (0.107 R)
  • M61: 13,168,053 km (0.051 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 151.2

Radius: 12.9

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 2.11 AU - 2.25 AU

Year: 2146 Days

Day: 9.6 Hours

Environment

Temp: -201 °C

Axial Tilt: 44.9 °

Atmosphere: Hâ‚‚, CHâ‚„

Biome: None

Satellites (58)

Outer Limit: 63,321,154 km

  • M1: 165,156 km (0.073 R)
  • M2: 251,624 km (0.09 R)
  • M3: 349,760 km (0.044 R)
  • M4: 474,076 km (0.088 R)
  • M5: 559,197 km (0.083 R)
  • M6: 701,764 km (0.116 R)
  • M7: 790,326 km (0.092 R)
  • M8: 908,957 km (0.107 R)
  • M9: 1,013,825 km (0.076 R)
  • M10: 1,116,449 km (0.084 R)
  • M11: 1,453,792 km (0.094 R)
  • M12: 1,823,748 km (0.119 R)
  • M13: 2,116,361 km (0.107 R)
  • M14: 2,205,372 km (0.084 R)
  • M15: 2,387,283 km (0.081 R)
  • M16: 2,555,431 km (0.096 R)
  • M17: 2,708,320 km (0.114 R)
  • M18: 2,903,695 km (0.096 R)
  • M19: 2,993,304 km (0.099 R)
  • M20: 3,226,228 km (0.118 R)
  • M21: 3,381,510 km (0.106 R)
  • M22: 3,699,705 km (0.072 R)
  • M23: 3,884,309 km (0.099 R)
  • M24: 4,027,474 km (0.104 R)
  • M25: 4,172,584 km (0.091 R)
  • M26: 4,399,225 km (0.041 R)
  • M27: 4,502,597 km (0.113 R)
  • M28: 4,630,054 km (0.068 R)
  • M29: 4,711,735 km (0.094 R)
  • M30: 4,852,955 km (0.092 R)
  • M31: 4,971,736 km (0.104 R)
  • M32: 5,285,293 km (0.103 R)
  • M33: 5,395,247 km (0.048 R)
  • M34: 5,481,416 km (0.077 R)
  • M35: 5,679,932 km (0.119 R)
  • M36: 6,046,148 km (0.118 R)
  • M37: 6,148,472 km (0.11 R)
  • M38: 6,419,843 km (0.083 R)
  • M39: 6,524,412 km (0.119 R)
  • M40: 6,748,210 km (0.092 R)
  • M41: 7,122,654 km (0.08 R)
  • M42: 7,203,736 km (0.096 R)
  • M43: 7,600,170 km (0.088 R)
  • M44: 7,891,736 km (0.076 R)
  • M45: 8,045,972 km (0.078 R)
  • M46: 8,144,557 km (0.076 R)
  • M47: 8,272,014 km (0.084 R)
  • M48: 8,371,646 km (0.11 R)
  • M49: 8,485,939 km (0.095 R)
  • M50: 8,672,787 km (0.085 R)
  • M51: 8,860,981 km (0.089 R)
  • M52: 9,006,839 km (0.087 R)
  • M53: 9,256,368 km (0.054 R)
  • M54: 9,345,080 km (0.098 R)
  • M55: 9,478,521 km (0.104 R)
  • M56: 9,837,706 km (0.109 R)
  • M57: 10,049,237 km (0.111 R)
  • M58: 10,323,450 km (0.07 R)

Asteroid Belt

Center: 2.45 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 2.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 804.3

Radius: 11.8

Gravity: 5.78 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 2.55 AU - 2.87 AU

Year: 2975 Days

Day: 13.2 Hours

Environment

Temp: -211 °C

Axial Tilt: 18.1 °

Atmosphere: Hâ‚‚, CHâ‚„

Biome: None

Satellites (71)

Outer Limit: 63,321,154 km

  • M1: 148,700 km (0.079 R)
  • M2: 263,143 km (0.113 R)
  • M3: 443,408 km (0.113 R)
  • M4: 691,741 km (0.047 R)
  • M5: 876,045 km (0.119 R)
  • M6: 1,065,885 km (0.044 R)
  • M7: 1,148,164 km (0.07 R)
  • M8: 1,319,603 km (0.117 R)
  • M9: 1,486,554 km (0.067 R)
  • M10: 2,045,003 km (0.077 R)
  • M11: 2,149,273 km (0.114 R)
  • M12: 2,347,639 km (0.06 R)
  • M13: 2,600,161 km (0.119 R)
  • M14: 2,680,943 km (0.084 R)
  • M15: 2,779,080 km (0.11 R)
  • M16: 2,962,187 km (0.084 R)
  • M17: 3,097,873 km (0.098 R)
  • M18: 3,200,946 km (0.088 R)
  • M19: 3,481,741 km (0.102 R)
  • M20: 3,788,865 km (0.059 R)
  • M21: 4,123,815 km (0.049 R)
  • M22: 4,237,509 km (0.084 R)
  • M23: 4,546,279 km (0.105 R)
  • M24: 4,624,519 km (0.097 R)
  • M25: 5,515,973 km (0.075 R)
  • M26: 5,874,559 km (0.12 R)
  • M27: 6,132,166 km (0.107 R)
  • M28: 6,437,645 km (0.046 R)
  • M29: 6,592,329 km (0.116 R)
  • M30: 6,995,496 km (0.091 R)
  • M31: 7,223,034 km (0.119 R)
  • M32: 7,592,242 km (0.079 R)
  • M33: 7,732,265 km (0.068 R)
  • M34: 7,896,673 km (0.074 R)
  • M35: 8,086,064 km (0.062 R)
  • M36: 9,030,924 km (0.117 R)
  • M37: 9,229,141 km (0.065 R)
  • M38: 9,353,756 km (0.113 R)
  • M39: 9,554,218 km (0.052 R)
  • M40: 10,061,654 km (0.03 R)
  • M41: 10,370,424 km (0.099 R)
  • M42: 10,474,095 km (0.11 R)
  • M43: 10,944,730 km (0.085 R)
  • M44: 11,182,590 km (0.091 R)
  • M45: 11,342,062 km (0.065 R)
  • M46: 11,609,692 km (0.116 R)
  • M47: 11,744,330 km (0.115 R)
  • M48: 12,096,783 km (0.075 R)
  • M49: 12,673,333 km (0.05 R)
  • M50: 12,978,962 km (0.117 R)
  • M51: 13,315,108 km (0.103 R)
  • M52: 14,053,523 km (0.109 R)
  • M53: 14,225,710 km (0.113 R)
  • M54: 14,980,432 km (0.089 R)
  • M55: 15,068,246 km (0.086 R)
  • M56: 15,215,300 km (0.113 R)
  • M57: 15,480,836 km (0.103 R)
  • M58: 15,957,006 km (0.097 R)
  • M59: 16,166,743 km (0.11 R)
  • M60: 16,287,019 km (0.118 R)
  • M61: 16,377,526 km (0.044 R)
  • M62: 16,680,163 km (0.034 R)
  • M63: 17,198,818 km (0.096 R)
  • M64: 17,321,638 km (0.074 R)
  • M65: 18,628,824 km (0.075 R)
  • M66: 19,838,772 km (0.083 R)
  • M67: 20,064,515 km (0.112 R)
  • M68: 20,583,470 km (0.096 R)
  • M69: 20,811,906 km (0.106 R)
  • M70: 21,271,471 km (0.069 R)
  • M71: 21,502,450 km (0.097 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 550.6

Radius: 4.4

Gravity: 28.44 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 8.45 AU - 8.83 AU

Year: 16936 Days

Day: 24.9 Hours

Environment

Temp: -228 °C

Axial Tilt: 42.7 °

Atmosphere: Hâ‚‚, CHâ‚„

Biome: None

Satellites (95)

Outer Limit: 63,321,154 km

  • M1: 60,438 km (0.094 R)
  • M2: 91,703 km (0.082 R)
  • M3: 289,921 km (0.065 R)
  • M4: 351,106 km (0.044 R)
  • M5: 383,419 km (0.093 R)
  • M6: 1,055,114 km (0.031 R)
  • M7: 1,276,967 km (0.106 R)
  • M8: 1,791,435 km (0.083 R)
  • M9: 2,522,071 km (0.101 R)
  • M10: 3,511,810 km (0.1 R)
  • M11: 3,730,223 km (0.059 R)
  • M12: 4,372,447 km (0.11 R)
  • M13: 5,129,861 km (0.113 R)
  • M14: 5,377,295 km (0.116 R)
  • M15: 5,419,033 km (0.119 R)
  • M16: 5,841,198 km (0.055 R)
  • M17: 6,273,985 km (0.081 R)
  • M18: 6,627,634 km (0.104 R)
  • M19: 7,078,822 km (0.096 R)
  • M20: 7,308,155 km (0.077 R)
  • M21: 7,354,231 km (0.099 R)
  • M22: 8,010,517 km (0.079 R)
  • M23: 8,058,089 km (0.119 R)
  • M24: 10,037,419 km (0.118 R)
  • M25: 10,140,192 km (0.061 R)
  • M26: 10,191,654 km (0.08 R)
  • M27: 11,133,373 km (0.108 R)
  • M28: 12,266,876 km (0.077 R)
  • M29: 12,321,778 km (0.049 R)
  • M30: 13,154,889 km (0.088 R)
  • M31: 13,267,237 km (0.085 R)
  • M32: 13,436,582 km (0.109 R)
  • M33: 15,701,194 km (0.089 R)
  • M34: 16,785,629 km (0.097 R)
  • M35: 17,275,263 km (0.075 R)
  • M36: 18,206,061 km (0.077 R)
  • M37: 18,709,009 km (0.117 R)
  • M38: 19,600,313 km (0.116 R)
  • M39: 20,700,905 km (0.112 R)
  • M40: 21,357,789 km (0.074 R)
  • M41: 21,556,156 km (0.082 R)
  • M42: 22,088,126 km (0.093 R)
  • M43: 22,154,846 km (0.112 R)
  • M44: 24,121,161 km (0.104 R)
  • M45: 24,189,976 km (0.097 R)
  • M46: 26,142,527 km (0.117 R)
  • M47: 26,283,897 km (0.036 R)
  • M48: 26,994,786 km (0.07 R)
  • M49: 27,137,652 km (0.099 R)
  • M50: 27,639,852 km (0.065 R)
  • M51: 28,217,599 km (0.106 R)
  • M52: 28,653,378 km (0.103 R)
  • M53: 30,122,429 km (0.109 R)
  • M54: 30,791,281 km (0.12 R)
  • M55: 31,015,379 km (0.078 R)
  • M56: 31,992,701 km (0.108 R)
  • M57: 32,219,641 km (0.037 R)
  • M58: 33,746,288 km (0.104 R)
  • M59: 33,977,267 km (0.04 R)
  • M60: 34,054,459 km (0.069 R)
  • M61: 34,286,186 km (0.075 R)
  • M62: 34,906,718 km (0.115 R)
  • M63: 35,922,937 km (0.11 R)
  • M64: 36,237,541 km (0.116 R)
  • M65: 37,345,912 km (0.079 R)
  • M66: 37,505,233 km (0.12 R)
  • M67: 37,584,819 km (0.081 R)
  • M68: 37,664,705 km (0.103 R)
  • M69: 37,744,440 km (0.037 R)
  • M70: 39,029,336 km (0.113 R)
  • M71: 39,352,767 km (0.111 R)
  • M72: 39,758,327 km (0.094 R)
  • M73: 41,806,771 km (0.025 R)
  • M74: 42,885,371 km (0.037 R)
  • M75: 43,805,248 km (0.109 R)
  • M76: 43,889,173 km (0.063 R)
  • M77: 44,309,693 km (0.032 R)
  • M78: 44,478,289 km (0.1 R)
  • M79: 45,494,358 km (0.108 R)
  • M80: 45,664,451 km (0.115 R)
  • M81: 46,775,065 km (0.082 R)
  • M82: 48,327,592 km (0.083 R)
  • M83: 48,674,809 km (0.105 R)
  • M84: 48,935,857 km (0.112 R)
  • M85: 49,371,935 km (0.103 R)
  • M86: 49,459,300 km (0.1 R)
  • M87: 52,371,073 km (0.111 R)
  • M88: 52,638,554 km (0.06 R)
  • M89: 53,174,713 km (0.087 R)
  • M90: 53,533,299 km (0.111 R)
  • M91: 54,252,715 km (0.105 R)
  • M92: 54,884,766 km (0.055 R)
  • M93: 55,065,929 km (0.088 R)
  • M94: 57,621,509 km (0.105 R)
  • M95: 58,821,135 km (0.068 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 348 - 19,525 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit