EVOLUCIÓN Y CHOQUE CONTRA JÚPITER DEL COMETA D/1993 F2 El cometa "D/1993 F2" pasó el 12,48 de junio de 1992 a 144.500 Km. del centro de Júpiter por deebajo del límite de Roche, descomponiéndose en no menos de 20 cuerpos que pasaron a describir órbitas elípticas alrededor de Júpiter con un periastro de sólo 47.000 Km. inferior al radio del planeta. Por tanto, fueron a colisionar con el planeta al siguiente periastro a partir del 17,8 de julio de 1994. Las órbitas previas a 1992 del cometa a partir del estudio de 1993 F2q, indican un semieje mayor y varios encuentros con júpiter, si bien por las fuertes perturbaciones de los periastros son menos precisas. D/1993 F2q Perihelion 1911 Aug 29.202974 TT = 4:52:16 (JD 2419277.702974) Epoch 1904 Jul 16.0 TT = JDT 2416677.5 Ju: 0.6536 Find_Orb M 210.45705 (2000.0) P Q n 0.05751202 Peri. 189.02975 -0.57670956 0.81603798 a 6.64707024 Node 45.76223 -0.74613476 -0.50690202 e 0.0882434 Incl. 3.08646 -0.33269954 -0.27772711 P 17.14 M(N) 8.2 K 10.0 q 6.06050958 Q 7.23363089 D/1993 F2q Perihelion 1987 Jul 26.140030 TT = 3:21:38 (JD 2447002.640030) Epoch 1990 Jul 16.0 TT = JDT 2448088.5 Ju: 0.1812 Find_Orb M 83.09546 (2000.0) P Q n 0.07652503 Peri. 98.96405 0.94010447 -0.33454912 a 5.49456987 Node 280.60172 0.28073142 0.86868828 e 0.0909879 Incl. 3.81651 0.19337384 0.36531842 P 12.88 M(N) 8.2 K 10.0 q 4.99463049 Q 5.99450925 From 310 observations 1993 Mar. 27-1994 July 19; RMS error 1.028 arcseconds Orbitas joviocéntricas de los diferentes restos: Orbital elements: D/1993 F2a Perijove 1994 Jul 17.813274 TT = 19:31:06 (JD 2449551.313274) Epoch 1994 Mar 10.0 TT = JDT 2449421.5 Find_Orb M 305.80602 (2000.0) P Q n 0.41747637 Peri. 44.07022 0.19161413 0.08350796 a 0.17457728 Node 274.56496 -0.91868047 0.36591851 e 0.9981896 Incl. 78.82012 0.34541311 0.92689268 P 2.36/862.22d q 47280.0994km Q 0.34883851 From 88 observations 1993 Mar. 27-1994 July 12; RMS error 1.677 arcseconds D/1993 F2b Perijove 1994 Jul 18.105009 TT = 2:31:12 (JD 2449551.605009) Epoch 1994 Mar 10.0 TT = JDT 2449421.5 Find_Orb M 305.70357 (2000.0) P Q n 0.41732769 Peri. 44.17589 0.19153154 0.09632645 a 0.17461874 Node 274.02781 -0.91869860 0.36782213 e 0.9981742 Incl. 78.28412 0.34541069 0.92489355 P 2.36/862.53d q 47692.1370km Q 0.34891868 From 102 observations 1993 Mar. 27-1994 July 13; RMS error 1.303 arcseconds D/1993 F2c Perijove 1994 Jul 18.280492 TT = 6:43:54 (JD 2449551.780492) Epoch 1994 Mar 10.0 TT = JDT 2449421.5 Find_Orb M 305.64039 (2000.0) P Q n 0.41725054 Peri. 44.03627 0.19171564 0.07960194 a 0.17464026 Node 274.73181 -0.91867619 0.36529110 e 0.9981935 Incl. 78.98059 0.34536814 0.92748365 P 2.36/862.69d q 47195.5584km Q 0.34896505 From 103 observations 1993 Mar. 27-1994 July 13; RMS error 1.321 arcseconds D/1993 F2d Perijove 1994 Jul 18.478875 TT = 11:29:34 (JD 2449551.978875) Epoch 1994 Mar 10.0 TT = JDT 2449421.5 Find_Orb M 305.57365 (2000.0) P Q n 0.41712760 Peri. 44.03451 0.19173675 0.07912911 a 0.17467457 Node 274.75192 -0.91866012 0.36525286 e 0.9981967 Incl. 78.99946 0.34539918 0.92753918 P 2.36/862.94d q 47121.1163km Q 0.34903417 From 82 observations 1993 Mar. 27-1994 July 12; RMS error 1.394 arcseconds D/1993 F2e Perijove 1992 Jun 12.468492 TT = 11:14:37 (JD 2448785.968492) Epoch 1993 Jul 1.0 TT = JDT 2449169.5 Find_Orb M 173.48757 (2000.0) P Q n 0.45234242 Peri. 55.13703 0.17390979 0.62892210 a 0.16548708 Node 245.37770 -0.92209079 0.37412502 e 0.9941449 Incl. 56.46622 0.34569342 0.68153316 P 2.18/795.76d M(N) 9.5 K 10.0 q 144950.816km Q 0.33000523 From 224 observations 1993 Mar. 27-1994 July 16; RMS error 1.461 arcseconds D/1993 F2f Perijove 1994 Jul 18.787372 TT = 18:53:49 (JD 2449552.287372) Epoch 1994 Mar 21.0 TT = JDT 2449432.5 Find_Orb M 310.40133 (2000.0) P Q n 0.41405583 Peri. 43.67340 0.19434537 0.02177289 a 0.17553742 Node 277.21150 -0.91786076 0.35674178 e 0.9983126 Incl. 81.30652 0.34606572 0.93394926 P 2.38/869.34d q 44310.5200km Q 0.35077865 From 132 observations 1993 Mar. 27-1994 July 14; RMS error 1.479 arcseconds D/1993 F2g Perijove 1992 Jun 12.480536 TT = 11:31:58 (JD 2448785.980536) Epoch 1993 Jul 1.0 TT = JDT 2449169.5 Find_Orb M 173.30102 (2000.0) P Q n 0.45187022 Peri. 55.09116 0.17389788 0.62783285 a 0.16560235 Node 245.45889 -0.92209758 0.37425025 e 0.9941821 Incl. 56.51346 0.34568131 0.68246805 P 2.18/796.59d M(N) 8.6 K 10.0 q 144129.785km Q 0.33024126 From 285 observations 1993 Mar. 27-1994 July 16; RMS error 1.123 arcseconds D/1993 F2h Perijove 1992 Jun 12.481993 TT = 11:34:04 (JD 2448785.981993) Epoch 1993 Jul 1.0 TT = JDT 2449169.5 Find_Orb M 173.16492 (2000.0) P Q n 0.45151706 Peri. 55.15049 0.17380499 0.62933206 a 0.16568869 Node 245.34528 -0.92211258 0.37400149 e 0.9941511 Incl. 56.45255 0.34568800 0.68122245 P 2.18/797.21d M(N) 8.9 K 10.0 q 144972.439km Q 0.33040831 From 279 observations 1993 Mar. 27-1994 July 14; RMS error 1.139 arcseconds D/1993 F2k Perijove 1992 Jun 12.467950 TT = 11:13:50 (JD 2448785.967950) Epoch 1993 Jul 1.0 TT = JDT 2449169.5 Find_Orb M 173.00192 (2000.0) P Q n 0.45107554 Peri. 55.11353 0.17392021 0.62834983 a 0.16579679 Node 245.42064 -0.92209047 0.37420289 e 0.9941699 Incl. 56.49042 0.34568904 0.68201809 P 2.18/797.99d M(N) 8.6 K 10.0 q 144602.876km Q 0.33062698 From 293 observations 1993 Mar. 27-1994 July 14; RMS error 1.019 arcseconds D/1993 F2l Perijove 1992 Jun 12.453248 TT = 10:52:40 (JD 2448785.953248) Epoch 1993 Jul 1.0 TT = JDT 2449169.5 Find_Orb M 172.87200 (2000.0) P Q n 0.45071951 Peri. 55.12188 0.17400794 0.62846699 a 0.16588409 Node 245.41313 -0.92206841 0.37425367 e 0.9941699 Incl. 56.48222 0.34570373 0.68188226 P 2.19/798.63d M(N) 9.0 K 10.0 q 144677.660km Q 0.33080108 From 278 observations 1993 Mar. 27-1994 July 16; RMS error 1.147 arcseconds D/1993 F2n Perijove 1994 Jul 21.230240 TT = 5:31:32 (JD 2449554.730240) Epoch 1994 Mar 21.0 TT = JDT 2449432.5 Find_Orb M 309.53538 (2000.0) P Q n 0.41286518 Peri. 43.66659 0.19394005 0.02088857 a 0.17587474 Node 277.23086 -0.91795663 0.35652021 e 0.9983261 Incl. 81.36074 0.34603882 0.93405406 P 2.39/871.85d q 44039.7926km Q 0.35145510 From 99 observations 1993 Mar. 27-1994 July 14; RMS error 1.184 arcseconds D/1993 F2q Perijove 1994 Aug 16.918450 TT = 22:02:34 (JD 2449581.418450) Epoch 1993 Jul 19.0 TT = JDT 2449187.5 Find_Orb M 182.63114 (2000.0) P Q n 0.45026796 Peri. 54.73322 0.17347299 0.62032030 a 0.16599498 Node 246.02650 -0.92240861 0.37447669 e 0.9943381 Incl. 56.83954 0.34506443 0.68918061 P 2.19/799.43d M(N) 8.2 K 10.0 q 140598.631km Q 0.33105012 From 310 observations 1993 Mar. 27-1994 July 19; RMS error 1.091 arcseconds D/1993 F2s Perijove 1992 Jun 12.442801 TT = 10:37:38 (JD 2448785.942801) Epoch 1993 Jul 1.0 TT = JDT 2449169.5 Find_Orb M 172.41409 (2000.0) P Q n 0.44951339 Peri. 55.11412 0.17406787 0.62825514 a 0.16618069 Node 245.43053 -0.92206152 0.37431016 e 0.9941904 Incl. 56.48868 0.34569193 0.68204645 P 2.19/800.77d M(N) 8.9 K 10.0 q 144426.358km Q 0.33139596 From 281 observations 1993 Mar. 27-1994 July 19; RMS error 1.192 arcseconds D/1993 F2t Perijove 1994 Jul 22.277784 TT = 6:40:00 (JD 2449555.777784) Epoch 1994 Apr 5.0 TT = JDT 2449447.5 Find_Orb M 315.77799 (2000.0) P Q n 0.40841256 Peri. 43.48942 0.19660434 -0.02083220 a 0.17715072 Node 279.03129 -0.91704312 0.34987578 e 0.9984258 Incl. 83.00965 0.34695625 0.93656444 P 2.41/881.35d q 41717.3423km Q 0.35402258 From 57 observations 1993 Mar. 27-1994 July 7; RMS error 1.518 arcseconds D/1993 F2u Perijove 1994 Jul 22.425557 TT = 10:12:48 (JD 2449555.925557) Epoch 1994 Apr 8.0 TT = JDT 2449450.5 Find_Orb M 317.03104 (2000.0) P Q n 0.40757630 Peri. 43.28940 0.19756209 -0.07267900 a 0.17739295 Node 281.16529 -0.91672454 0.33956339 e 0.9984812 Incl. 85.17256 0.34725398 0.93777100 P 2.42/883.16d q 40302.8687km Q 0.35451651 From 30 observations 1993 Mar. 27-1994 July 7; RMS error 1.296 arcseconds D/1993 F2v Perijove 1994 Jul 23.922161 TT = 22:07:54 (JD 2449557.422161) Epoch 1994 Feb 17.0 TT = JDT 2449400.5 Find_Orb M 294.12966 (2000.0) P Q n 0.41976438 Peri. 44.68678 0.18785488 0.15891545 a 0.17394232 Node 271.24934 -0.91988440 0.37435989 e 0.9980046 Incl. 75.80951 0.34427202 0.91356474 P 2.35/857.52d q 51921.5977km Q 0.34753757 From 75 observations 1993 Mar. 27-1994 July 14; RMS error 1.182 arcseconds