G0V Star System Generated (Seed: 1768885281)

Star Details

Spectral Class: G4V

Temperature: 5,680 K

Mass: 1.02 sol

Luminosity: 1.07 lux

Habitable Zone (HZ)

Inner Boundary: 0.99 AU

Outer Boundary: 1.42 AU

Physical Limits

Snow Line: 4.97 AU

Max System Radius: 20.2 AU

Planetary System (7 Planets)

Planet 1 - Terrestrial

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.14

Radius: 1.36

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 1.46 AU - 2.32 AU

Year: 940 Days

Day: 25.9 Hours

Environment

Temp: -55 °C

Axial Tilt: 4.6 °

Atmosphere: Thin Nâ‚‚/CHâ‚„

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 3.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.24

Radius: 1.78

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 3.38 AU - 3.7 AU

Year: 2409 Days

Day: 45.3 Hours

Environment

Temp: -109 °C

Axial Tilt: 21.4 °

Atmosphere: Thin Nâ‚‚/CHâ‚„

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 5.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 278.2

Radius: 12.6

Gravity: 1.75 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 4.24 AU - 6.96 AU

Year: 4793 Days

Day: 6.8 Hours

Environment

Temp: -153 °C

Axial Tilt: 2.3 °

Atmosphere: Hâ‚‚, CHâ‚„

Biome: None

Satellites (67)

Outer Limit: 83,398,780 km

  • M1: 169,345 km (0.077 R)
  • M2: 286,031 km (0.077 R)
  • M3: 376,538 km (0.077 R)
  • M4: 481,855 km (0.106 R)
  • M5: 565,031 km (0.081 R)
  • M6: 729,738 km (0.111 R)
  • M7: 870,061 km (0.027 R)
  • M8: 954,883 km (0.058 R)
  • M9: 1,373,009 km (0.077 R)
  • M10: 1,563,896 km (0.066 R)
  • M11: 1,642,884 km (0.108 R)
  • M12: 2,233,646 km (0.092 R)
  • M13: 2,383,692 km (0.099 R)
  • M14: 2,854,477 km (0.109 R)
  • M15: 3,051,049 km (0.054 R)
  • M16: 3,597,081 km (0.117 R)
  • M17: 3,685,344 km (0.12 R)
  • M18: 3,936,070 km (0.087 R)
  • M19: 4,026,875 km (0.119 R)
  • M20: 4,229,431 km (0.117 R)
  • M21: 4,378,879 km (0.032 R)
  • M22: 4,606,418 km (0.115 R)
  • M23: 4,837,846 km (0.102 R)
  • M24: 4,935,533 km (0.112 R)
  • M25: 5,172,346 km (0.064 R)
  • M26: 5,332,416 km (0.114 R)
  • M27: 5,596,157 km (0.09 R)
  • M28: 5,719,276 km (0.042 R)
  • M29: 5,989,300 km (0.099 R)
  • M30: 6,242,270 km (0.113 R)
  • M31: 6,520,223 km (0.092 R)
  • M32: 6,956,002 km (0.055 R)
  • M33: 7,289,156 km (0.11 R)
  • M34: 7,423,794 km (0.088 R)
  • M35: 7,764,279 km (0.065 R)
  • M36: 8,202,900 km (0.098 R)
  • M37: 8,484,144 km (0.044 R)
  • M38: 8,649,599 km (0.09 R)
  • M39: 8,792,316 km (0.079 R)
  • M40: 8,911,844 km (0.092 R)
  • M41: 9,395,494 km (0.048 R)
  • M42: 9,640,536 km (0.095 R)
  • M43: 9,887,821 km (0.114 R)
  • M44: 10,062,102 km (0.043 R)
  • M45: 10,262,564 km (0.09 R)
  • M46: 11,025,961 km (0.095 R)
  • M47: 11,284,616 km (0.1 R)
  • M48: 12,125,506 km (0.084 R)
  • M49: 12,661,365 km (0.06 R)
  • M50: 12,769,525 km (0.045 R)
  • M51: 13,287,283 km (0.064 R)
  • M52: 13,617,745 km (0.099 R)
  • M53: 14,456,091 km (0.056 R)
  • M54: 14,966,968 km (0.101 R)
  • M55: 15,397,361 km (0.1 R)
  • M56: 15,483,978 km (0.111 R)
  • M57: 15,919,308 km (0.108 R)
  • M58: 16,535,501 km (0.09 R)
  • M59: 17,189,394 km (0.111 R)
  • M60: 17,279,152 km (0.104 R)
  • M61: 17,429,199 km (0.05 R)
  • M62: 17,851,664 km (0.095 R)
  • M63: 18,737,732 km (0.081 R)
  • M64: 19,357,067 km (0.118 R)
  • M65: 20,393,631 km (0.091 R)
  • M66: 20,774,955 km (0.067 R)
  • M67: 20,934,576 km (0.064 R)

Planet 4 - Gas Giant

Semi-Major Axis: 6.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 853.9

Radius: 14.5

Gravity: 4.06 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 5.99 AU - 7.19 AU

Year: 6118 Days

Day: 10.9 Hours

Environment

Temp: -152 °C

Axial Tilt: 124.4 °

Atmosphere: Hâ‚‚, CHâ‚„

Biome: None

Satellites (81)

Outer Limit: 83,398,780 km

  • M1: 262,395 km (0.099 R)
  • M2: 422,614 km (0.111 R)
  • M3: 710,590 km (0.077 R)
  • M4: 836,402 km (0.057 R)
  • M5: 1,179,280 km (0.12 R)
  • M6: 1,660,985 km (0.105 R)
  • M7: 2,015,532 km (0.086 R)
  • M8: 2,265,510 km (0.096 R)
  • M9: 2,615,120 km (0.085 R)
  • M10: 2,982,234 km (0.109 R)
  • M11: 3,539,186 km (0.099 R)
  • M12: 3,946,093 km (0.055 R)
  • M13: 4,076,392 km (0.118 R)
  • M14: 4,314,702 km (0.084 R)
  • M15: 5,227,398 km (0.111 R)
  • M16: 5,399,735 km (0.053 R)
  • M17: 5,839,104 km (0.079 R)
  • M18: 6,198,887 km (0.114 R)
  • M19: 6,597,116 km (0.115 R)
  • M20: 6,690,166 km (0.091 R)
  • M21: 6,972,009 km (0.119 R)
  • M22: 7,130,283 km (0.07 R)
  • M23: 7,677,512 km (0.082 R)
  • M24: 8,105,362 km (0.097 R)
  • M25: 8,271,865 km (0.107 R)
  • M26: 8,778,553 km (0.099 R)
  • M27: 9,505,000 km (0.091 R)
  • M28: 11,200,093 km (0.044 R)
  • M29: 11,423,293 km (0.088 R)
  • M30: 11,535,342 km (0.117 R)
  • M31: 11,723,088 km (0.075 R)
  • M32: 11,874,032 km (0.114 R)
  • M33: 12,987,190 km (0.115 R)
  • M34: 13,339,493 km (0.116 R)
  • M35: 14,093,615 km (0.12 R)
  • M36: 14,334,618 km (0.108 R)
  • M37: 15,147,981 km (0.094 R)
  • M38: 15,726,327 km (0.032 R)
  • M39: 16,059,930 km (0.1 R)
  • M40: 18,242,114 km (0.105 R)
  • M41: 18,945,822 km (0.108 R)
  • M42: 19,123,096 km (0.113 R)
  • M43: 19,524,018 km (0.116 R)
  • M44: 20,153,376 km (0.052 R)
  • M45: 21,155,682 km (0.06 R)
  • M46: 21,616,593 km (0.12 R)
  • M47: 22,924,976 km (0.065 R)
  • M48: 23,019,522 km (0.119 R)
  • M49: 23,351,031 km (0.109 R)
  • M50: 23,493,598 km (0.064 R)
  • M51: 23,779,629 km (0.092 R)
  • M52: 24,162,898 km (0.043 R)
  • M53: 24,741,543 km (0.117 R)
  • M54: 24,984,041 km (0.058 R)
  • M55: 25,618,037 km (0.069 R)
  • M56: 26,158,833 km (0.089 R)
  • M57: 26,306,935 km (0.094 R)
  • M58: 26,405,819 km (0.108 R)
  • M59: 26,752,886 km (0.113 R)
  • M60: 27,702,833 km (0.119 R)
  • M61: 27,904,192 km (0.11 R)
  • M62: 28,005,021 km (0.099 R)
  • M63: 28,511,260 km (0.084 R)
  • M64: 28,714,563 km (0.09 R)
  • M65: 29,020,491 km (0.107 R)
  • M66: 29,378,778 km (0.055 R)
  • M67: 29,996,318 km (0.042 R)
  • M68: 30,203,212 km (0.119 R)
  • M69: 31,559,017 km (0.105 R)
  • M70: 31,664,185 km (0.119 R)
  • M71: 31,822,010 km (0.062 R)
  • M72: 33,148,046 km (0.117 R)
  • M73: 33,952,434 km (0.06 R)
  • M74: 34,221,859 km (0.119 R)
  • M75: 34,438,028 km (0.097 R)
  • M76: 34,546,337 km (0.079 R)
  • M77: 35,470,852 km (0.061 R)
  • M78: 35,744,317 km (0.075 R)
  • M79: 36,348,543 km (0.112 R)
  • M80: 36,513,848 km (0.118 R)
  • M81: 36,734,804 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 8.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 285.6

Radius: 10.2

Gravity: 2.75 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 7.43 AU - 9.39 AU

Year: 8820 Days

Day: 12.8 Hours

Environment

Temp: -156 °C

Axial Tilt: 19.8 °

Atmosphere: Hâ‚‚, CHâ‚„

Biome: None

Satellites (69)

Outer Limit: 83,398,780 km

  • M1: 132,245 km (0.104 R)
  • M2: 248,781 km (0.081 R)
  • M3: 332,556 km (0.085 R)
  • M4: 527,183 km (0.109 R)
  • M5: 760,705 km (0.063 R)
  • M6: 1,211,294 km (0.106 R)
  • M7: 1,389,615 km (0.108 R)
  • M8: 1,559,408 km (0.049 R)
  • M9: 1,919,640 km (0.117 R)
  • M10: 3,039,230 km (0.119 R)
  • M11: 3,329,301 km (0.056 R)
  • M12: 3,581,672 km (0.113 R)
  • M13: 4,832,310 km (0.088 R)
  • M14: 5,092,162 km (0.106 R)
  • M15: 5,330,023 km (0.108 R)
  • M16: 5,734,685 km (0.065 R)
  • M17: 6,093,420 km (0.079 R)
  • M18: 6,233,444 km (0.053 R)
  • M19: 7,066,106 km (0.03 R)
  • M20: 7,213,161 km (0.114 R)
  • M21: 7,600,469 km (0.104 R)
  • M22: 8,055,845 km (0.057 R)
  • M23: 8,333,349 km (0.092 R)
  • M24: 8,645,261 km (0.033 R)
  • M25: 8,834,353 km (0.109 R)
  • M26: 9,216,575 km (0.072 R)
  • M27: 9,571,721 km (0.072 R)
  • M28: 9,669,408 km (0.097 R)
  • M29: 9,767,395 km (0.054 R)
  • M30: 12,464,345 km (0.087 R)
  • M31: 12,964,899 km (0.077 R)
  • M32: 14,543,456 km (0.108 R)
  • M33: 14,768,451 km (0.053 R)
  • M34: 14,843,699 km (0.082 R)
  • M35: 15,488,765 km (0.091 R)
  • M36: 17,042,339 km (0.119 R)
  • M37: 17,160,970 km (0.034 R)
  • M38: 17,359,038 km (0.058 R)
  • M39: 17,558,003 km (0.077 R)
  • M40: 17,917,935 km (0.106 R)
  • M41: 19,053,234 km (0.107 R)
  • M42: 19,588,345 km (0.099 R)
  • M43: 19,920,153 km (0.056 R)
  • M44: 20,128,394 km (0.104 R)
  • M45: 20,337,382 km (0.081 R)
  • M46: 20,421,157 km (0.092 R)
  • M47: 21,691,990 km (0.051 R)
  • M48: 21,906,215 km (0.103 R)
  • M49: 22,078,252 km (0.089 R)
  • M50: 22,207,505 km (0.111 R)
  • M51: 22,988,256 km (0.045 R)
  • M52: 23,513,793 km (0.096 R)
  • M53: 25,474,423 km (0.069 R)
  • M54: 25,836,599 km (0.119 R)
  • M55: 26,063,839 km (0.104 R)
  • M56: 26,154,794 km (0.093 R)
  • M57: 26,979,078 km (0.047 R)
  • M58: 27,117,307 km (0.032 R)
  • M59: 27,394,512 km (0.025 R)
  • M60: 27,533,488 km (0.112 R)
  • M61: 27,672,614 km (0.104 R)
  • M62: 28,184,837 km (0.101 R)
  • M63: 28,278,336 km (0.038 R)
  • M64: 29,835,500 km (0.088 R)
  • M65: 29,930,794 km (0.09 R)
  • M66: 30,169,403 km (0.082 R)
  • M67: 31,760,077 km (0.062 R)
  • M68: 32,003,472 km (0.117 R)
  • M69: 32,247,467 km (0.046 R)

Planet 6 - Gas Giant

Semi-Major Axis: 11.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 641.7

Radius: 9.9

Gravity: 6.55 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 9.39 AU - 12.97 AU

Year: 13519 Days

Day: 8.2 Hours

Environment

Temp: -180 °C

Axial Tilt: 13.5 °

Atmosphere: Hâ‚‚, CHâ‚„

Biome: None

Satellites (86)

Outer Limit: 83,398,780 km

  • M1: 128,205 km (0.12 R)
  • M2: 228,286 km (0.12 R)
  • M3: 1,719,777 km (0.112 R)
  • M4: 1,851,722 km (0.06 R)
  • M5: 1,959,732 km (0.086 R)
  • M6: 2,383,842 km (0.078 R)
  • M7: 2,472,105 km (0.085 R)
  • M8: 2,961,290 km (0.088 R)
  • M9: 3,088,448 km (0.082 R)
  • M10: 3,152,626 km (0.079 R)
  • M11: 4,028,072 km (0.103 R)
  • M12: 4,312,009 km (0.103 R)
  • M13: 5,279,458 km (0.111 R)
  • M14: 5,356,651 km (0.096 R)
  • M15: 5,590,323 km (0.049 R)
  • M16: 8,510,324 km (0.084 R)
  • M17: 8,874,894 km (0.112 R)
  • M18: 9,999,421 km (0.025 R)
  • M19: 11,517,241 km (0.057 R)
  • M20: 11,617,621 km (0.066 R)
  • M21: 11,718,300 km (0.078 R)
  • M22: 12,072,997 km (0.106 R)
  • M23: 12,896,982 km (0.115 R)
  • M24: 13,210,539 km (0.061 R)
  • M25: 13,368,365 km (0.116 R)
  • M26: 15,365,347 km (0.096 R)
  • M27: 15,920,953 km (0.112 R)
  • M28: 16,032,853 km (0.098 R)
  • M29: 16,426,594 km (0.111 R)
  • M30: 17,051,764 km (0.103 R)
  • M31: 17,166,356 km (0.074 R)
  • M32: 17,281,097 km (0.037 R)
  • M33: 18,266,947 km (0.071 R)
  • M34: 19,569,645 km (0.091 R)
  • M35: 20,414,275 km (0.104 R)
  • M36: 20,902,114 km (0.096 R)
  • M37: 21,024,784 km (0.114 R)
  • M38: 21,455,775 km (0.066 R)
  • M39: 21,641,277 km (0.055 R)
  • M40: 22,577,311 km (0.095 R)
  • M41: 23,081,755 km (0.083 R)
  • M42: 24,102,162 km (0.041 R)
  • M43: 24,747,228 km (0.119 R)
  • M44: 25,006,930 km (0.114 R)
  • M45: 25,137,080 km (0.111 R)
  • M46: 27,250,299 km (0.052 R)
  • M47: 27,518,379 km (0.071 R)
  • M48: 27,787,505 km (0.109 R)
  • M49: 28,599,672 km (0.115 R)
  • M50: 28,804,023 km (0.109 R)
  • M51: 30,664,422 km (0.117 R)
  • M52: 30,873,560 km (0.114 R)
  • M53: 31,785,209 km (0.117 R)
  • M54: 33,276,401 km (0.116 R)
  • M55: 34,210,939 km (0.12 R)
  • M56: 34,717,776 km (0.038 R)
  • M57: 35,446,019 km (0.075 R)
  • M58: 36,917,613 km (0.09 R)
  • M59: 37,437,466 km (0.105 R)
  • M60: 38,860,590 km (0.098 R)
  • M61: 39,768,350 km (0.032 R)
  • M62: 40,606,846 km (0.048 R)
  • M63: 40,683,291 km (0.041 R)
  • M64: 41,682,156 km (0.036 R)
  • M65: 41,836,690 km (0.106 R)
  • M66: 41,991,225 km (0.112 R)
  • M67: 42,300,892 km (0.08 R)
  • M68: 42,456,175 km (0.105 R)
  • M69: 43,861,049 km (0.119 R)
  • M70: 44,018,126 km (0.073 R)
  • M71: 44,648,232 km (0.093 R)
  • M72: 45,997,007 km (0.108 R)
  • M73: 47,278,612 km (0.069 R)
  • M74: 47,359,096 km (0.049 R)
  • M75: 48,247,557 km (0.116 R)
  • M76: 48,572,035 km (0.038 R)
  • M77: 49,060,023 km (0.118 R)
  • M78: 49,631,338 km (0.115 R)
  • M79: 51,028,282 km (0.103 R)
  • M80: 51,524,349 km (0.097 R)
  • M81: 51,772,981 km (0.032 R)
  • M82: 52,855,022 km (0.071 R)
  • M83: 53,608,547 km (0.103 R)
  • M84: 54,956,872 km (0.057 R)
  • M85: 55,380,533 km (0.071 R)
  • M86: 56,572,529 km (0.063 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 918.1

Radius: 4.1

Gravity: 54.62 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 12.45 AU - 16.41 AU

Year: 19824 Days

Day: 24.3 Hours

Environment

Temp: -190 °C

Axial Tilt: 57.5 °

Atmosphere: Hâ‚‚, CHâ‚„

Biome: None

Satellites (91)

Outer Limit: 83,398,780 km

  • M1: 58,493 km (0.066 R)
  • M2: 219,610 km (0.09 R)
  • M3: 462,557 km (0.098 R)
  • M4: 982,858 km (0.114 R)
  • M5: 1,039,256 km (0.106 R)
  • M6: 1,306,737 km (0.116 R)
  • M7: 1,400,535 km (0.088 R)
  • M8: 2,226,764 km (0.082 R)
  • M9: 3,009,161 km (0.078 R)
  • M10: 3,515,700 km (0.057 R)
  • M11: 4,417,027 km (0.094 R)
  • M12: 4,558,098 km (0.071 R)
  • M13: 4,652,943 km (0.108 R)
  • M14: 5,335,258 km (0.043 R)
  • M15: 5,536,019 km (0.087 R)
  • M16: 5,739,173 km (0.114 R)
  • M17: 6,469,210 km (0.07 R)
  • M18: 7,117,867 km (0.115 R)
  • M19: 7,561,873 km (0.073 R)
  • M20: 7,730,620 km (0.119 R)
  • M21: 7,843,865 km (0.104 R)
  • M22: 8,769,128 km (0.041 R)
  • M23: 10,220,377 km (0.097 R)
  • M24: 10,469,457 km (0.1 R)
  • M25: 10,973,602 km (0.088 R)
  • M26: 12,136,277 km (0.059 R)
  • M27: 12,532,562 km (0.118 R)
  • M28: 13,541,450 km (0.071 R)
  • M29: 14,090,175 km (0.07 R)
  • M30: 14,297,816 km (0.117 R)
  • M31: 15,067,946 km (0.09 R)
  • M32: 15,209,316 km (0.069 R)
  • M33: 17,605,874 km (0.081 R)
  • M34: 18,129,168 km (0.039 R)
  • M35: 18,506,005 km (0.112 R)
  • M36: 19,114,419 km (0.107 R)
  • M37: 20,039,233 km (0.105 R)
  • M38: 20,350,696 km (0.081 R)
  • M39: 20,428,936 km (0.049 R)
  • M40: 22,737,530 km (0.073 R)
  • M41: 23,388,729 km (0.113 R)
  • M42: 23,716,648 km (0.096 R)
  • M43: 24,046,212 km (0.058 R)
  • M44: 24,460,149 km (0.053 R)
  • M45: 30,050,921 km (0.055 R)
  • M46: 30,496,723 km (0.109 R)
  • M47: 30,944,619 km (0.03 R)
  • M48: 31,304,551 km (0.097 R)
  • M49: 35,447,963 km (0.114 R)
  • M50: 35,730,255 km (0.109 R)
  • M51: 35,824,651 km (0.074 R)
  • M52: 36,202,535 km (0.119 R)
  • M53: 37,823,129 km (0.062 R)
  • M54: 40,053,334 km (0.048 R)
  • M55: 41,332,545 km (0.096 R)
  • M56: 41,431,429 km (0.084 R)
  • M57: 41,530,463 km (0.104 R)
  • M58: 46,993,927 km (0.088 R)
  • M59: 47,304,043 km (0.116 R)
  • M60: 47,614,758 km (0.038 R)
  • M61: 48,551,091 km (0.102 R)
  • M62: 49,388,540 km (0.063 R)
  • M63: 50,125,160 km (0.059 R)
  • M64: 50,653,540 km (0.066 R)
  • M65: 50,971,435 km (0.111 R)
  • M66: 52,356,861 km (0.107 R)
  • M67: 53,754,404 km (0.072 R)
  • M68: 55,164,364 km (0.042 R)
  • M69: 55,491,385 km (0.096 R)
  • M70: 55,709,798 km (0.1 R)
  • M71: 57,136,513 km (0.067 R)
  • M72: 57,688,380 km (0.052 R)
  • M73: 58,575,046 km (0.114 R)
  • M74: 59,020,100 km (0.073 R)
  • M75: 60,474,341 km (0.079 R)
  • M76: 60,586,689 km (0.047 R)
  • M77: 63,989,143 km (0.051 R)
  • M78: 67,104,070 km (0.093 R)
  • M79: 68,036,364 km (0.104 R)
  • M80: 71,689,544 km (0.115 R)
  • M81: 73,001,068 km (0.115 R)
  • M82: 75,889,953 km (0.057 R)
  • M83: 76,375,099 km (0.106 R)
  • M84: 76,496,572 km (0.078 R)
  • M85: 77,592,376 km (0.094 R)
  • M86: 77,714,448 km (0.071 R)
  • M87: 79,553,305 km (0.105 R)
  • M88: 81,654,557 km (0.082 R)
  • M89: 82,276,136 km (0.082 R)
  • M90: 82,899,211 km (0.09 R)
  • M91: 83,148,890 km (0.075 R)

Kuiper Belt

Range: 30.3 - 49.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 244 - 20,065 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit