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Cóiméad clúiteach a thagann gar don Domhan gach 77 bliain nó mar sin, an uair dheireanach i 1985-1986.
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Ainmniú sealadach | 1P/1982 U1, 1982i, 1P/1909 R1, 1909c, 1P/1835 P1, 1835 III, 1P/1758 Y1, 1759 I, 1P/1682 Q1, 1682, 1P/1607 S1, 1607, 1P/1531 P1, 1531, 1P/1456 K1, 1456, 1P/1378 S1, 1378, 1P/1301 R1, 1301, 1P/1222 R1, 1222, 1P/1145 G1, 1145, 1P/1066 G1, 1066, 1P/989 N1, 989, 1P/912 J1, 912, 1P/837 F1, 837, 1P/760 K1, 760, 1P/684 R1, 684, 1P/607 H1, 607, 1P/530 Q1, 530, 1P/451 L1, 451, 1P/374 E1, 374, 1P/295 J1, 295, 1P/218 H1, 218, 1P/141 F1, 141, 1P/66 B1, 66, 1P/-11 Q1, -11, 1P/-86 Q1, -86, 1P/-163 U1, -163, 1P/-239 K1, -239, 1986 III, 1910 II ![]() |
Cineál | Halley-type comet (en) ![]() |
Dáta fionnachtana | 466 "RCh"[1], 240 "RCh", 25 Nollaig 1758[2] agus 164 "RCh" |
Eapainm | Edmond Halley[3] |
Réad tuismitheora | an Ghrian |
Réad linbh | |
Aois | 2 Eanáir 1968 ![]() |
Sonraí fithiseacha | |
Féach ar an staid reatha | |
Apaipsis | 35.08231 AU[4] 35.28092 AU[5] ![]() |
Pearaipsis | 0.58598 AU (arg (ω): 111.33249)[4] 0.57472 AU (arg (ω): 111.33249)[5] ![]() |
Ais mhór a | 17.8341 AU[6] agus 17.92781774 AU[2] |
Éalárnacht e | 0.96714[7] 0.967942791[2] |
Tréimhse fhithiseach P | 75.31589 a[8] agus 27,726.15005 d[2] |
Meán-Aimhrialtacht M | 38.38426 °[4] 274.14049 °[9] ![]() |
Claonadh i | 162.26269 °[10] 162.18787 °[2] |
Fad an nóid éirithigh Ω | 58.42008 °[11] agus 59.114482936739 °[2] |
Saintréithe fisiceacha agus réaltmhéadracha | |
Trastomhas | 11 km[12] ![]() |
Dearbhmhéid | 5.5[5] ![]() |
Mais | 220 Tg[13] ![]() |
Meándlús | 850 kg/m³[14] ![]() |
Ailbéideacht | 0.04 (ailbéideacht gheoiméadrach)[15] ![]() |
Catalóga réalteolaíochta | |
Aitheantóir JPL | 1000036 ![]() |
Teilgeadh 5 spásárthach, dhá cheann ón Rúis, dhá cheann ón tSeapáin is ceann amháin ón ESA, chun é a iniúchadh go géar is cáithníní uaidh a thástáil.
Fuarthas gur hidrigin, carbón, nítrigin is ocsaigin na príomhdhúile ann, cosúil le neacha orgánacha ar domhan.
Tá sé curtha i gcás ag eolaithe áirithe go mb'fhéidir gur chuir imbhuailtí idir cóiméid mar seo agus an domhan go luath ina shaol tús leis an mbeatha ar domhan trí na dúile seo a thabhairt anseo.[16]
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