MPEC 1999-X19 : 1999 XS35
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M.P.E.C. 1999-X19 Issued 1999 Dec. 9, 20:32 UT The Minor Planet Electronic Circulars contain information on unusual minor planets and routine data on comets. They are published on behalf of Commission 20 of the International Astronomical Union by the Minor Planet Center, Smithsonian Astrophysical Observatory, Cambridge, MA 02138, U.S.A. Prepared using the Tamkin Foundation Computer Network BMARSDEN@CFA.HARVARD.EDU or GWILLIAMS@CFA.HARVARD.EDU URL http://cfa-www.harvard.edu/iau/mpc.html ISSN 1523-6714 1999 XS35 Observations: J99X35S* C1999 12 02.41509 07 03 33.41 +63 52 33.7 16.2 R 699 J99X35S C1999 12 02.43039 07 03 30.17 +63 52 46.0 699 J99X35S C1999 12 02.44569 07 03 27.09 +63 52 56.6 699 J99X35S C1999 12 02.84903 07 02 17.61 +63 57 36.2 557 J99X35S C1999 12 02.85101 07 02 17.25 +63 57 38.0 557 J99X35S C1999 12 02.85299 07 02 16.85 +63 57 39.6 557 J99X35S C1999 12 02.85497 07 02 16.50 +63 57 41.2 16.9 V 557 J99X35S C1999 12 02.95152 07 01 58.32 +63 58 59.5 16.2 R 587 J99X35S C1999 12 02.95557 07 01 57.52 +63 59 02.7 587 J99X35S C1999 12 02.95811 07 01 56.99 +63 59 04.9 587 J99X35S C1999 12 03.01756 07 01 44.87 +63 59 49.0 16.3 R 046 J99X35S C1999 12 03.01889 07 01 44.60 +63 59 50.1 046 J99X35S C1999 12 03.02006 07 01 44.37 +63 59 51.0 046 J99X35S C1999 12 03.02140 07 01 44.12 +63 59 52.0 046 J99X35S C1999 12 03.26712 07 01 02.02 +64 02 40.6 17.1 678 J99X35S C1999 12 03.27334 07 01 00.54 +64 02 46.9 17.2 719 J99X35S C1999 12 03.28386 07 00 58.70 +64 02 53.3 17.6 678 J99X35S C1999 12 03.29226 07 00 57.19 +64 03 00.2 17.3 678 J99X35S C1999 12 03.30310 07 00 54.54 +64 03 09.5 17.4 719 J99X35S C1999 12 03.38973 07 00 36.78 +64 04 11.1 711 J99X35S C1999 12 03.39355 07 00 36.00 +64 04 13.7 711 J99X35S C1999 12 03.39689 07 00 35.39 +64 04 15.6 711 J99X35S 1C1999 12 03.41991 07 00 31.96 +64 04 23.1 658 J99X35S 1C1999 12 03.42427 07 00 31.06 +64 04 25.6 658 J99X35S 1C1999 12 03.42721 07 00 30.45 +64 04 27.1 658 J99X35S C1999 12 03.77491 06 59 30.86 +64 07 45.5 16.7 R 151 J99X35S C1999 12 03.77882 06 59 30.21 +64 07 47.5 16.6 R 151 J99X35S C1999 12 03.78360 06 59 29.34 +64 07 51.2 16.5 R 151 J99X35S C1999 12 03.78529 06 59 29.10 +64 07 52.5 16.3 R 151 J99X35S C1999 12 03.78715 06 59 28.92 +64 07 53.6 16.6 R 151 J99X35S C1999 12 03.79093 06 59 28.32 +64 07 56.3 16.3 R 151 J99X35S C1999 12 04.08873 06 58 31.69 +64 11 18.9 16.9 R 946 J99X35S C1999 12 04.09011 06 58 31.44 +64 11 20.4 946 J99X35S C1999 12 04.09337 06 58 30.99 +64 11 21.6 16.8 R 946 J99X35S C1999 12 04.12304 06 58 28.65 +64 11 14.4 17.2 652 J99X35S C1999 12 04.12934 06 58 27.68 +64 11 17.3 17.1 652 J99X35S C1999 12 04.13434 06 58 26.08 +64 11 18.9 16.7 652 J99X35S C1999 12 04.15530 06 58 23.86 +64 11 39.6 16.8 678 J99X35S C1999 12 04.15670 06 58 22.60 +64 11 37.0 15.9 652 J99X35S C1999 12 04.17123 06 58 20.92 +64 11 51.1 17.0 678 J99X35S C1999 12 05.20295 06 55 18.89 +64 20 56.6 16.1 V 719 J99X35S 1C1999 12 05.45869 06 54 29.84 +64 22 57.6 658 J99X35S 1C1999 12 05.46312 06 54 29.09 +64 22 59.4 658 J99X35S 1C1999 12 05.46625 06 54 28.41 +64 23 01.4 658 J99X35S C1999 12 05.99910 06 52 57.48 +64 26 44.3 16.3 R 046 J99X35S C1999 12 06.00066 06 52 57.16 +64 26 44.9 046 J99X35S C1999 12 06.00181 06 52 56.94 +64 26 45.4 046 J99X35S C1999 12 06.00316 06 52 56.70 +64 26 45.9 046 J99X35S C1999 12 06.09773 06 52 42.71 +64 27 08.0 17.7 V 726 J99X35S C1999 12 06.10221 06 52 41.97 +64 27 09.2 17.8 V 726 J99X35S C1999 12 06.10568 06 52 41.38 +64 27 11.2 17.7 V 726 J99X35S C1999 12 06.10916 06 52 40.79 +64 27 12.2 17.5 V 726 J99X35S C1999 12 06.11263 06 52 40.23 +64 27 14.4 17.4 V 726 J99X35S C1999 12 06.11610 06 52 39.52 +64 27 16.9 17.6 V 726 J99X35S C1999 12 06.11957 06 52 38.88 +64 27 18.8 17.5 V 726 J99X35S C1999 12 06.14723 06 52 34.46 +64 27 30.1 713 J99X35S C1999 12 06.15343 06 52 33.56 +64 27 32.7 713 J99X35S C1999 12 06.18106 06 52 23.16 +64 27 48.4 557 J99X35S C1999 12 06.18340 06 52 22.72 +64 27 49.1 557 J99X35S C1999 12 06.18573 06 52 22.31 +64 27 49.7 16.6 V 557 J99X35S C1999 12 06.34823 06 51 57.28 +64 28 56.2 16.7 652 J99X35S C1999 12 06.35162 06 51 56.61 +64 28 56.5 16.7 652 J99X35S C1999 12 06.35542 06 51 56.03 +64 28 58.9 16.1 652 J99X35S C1999 12 06.35847 06 51 55.63 +64 28 59.1 16.8 652 J99X35S C1999 12 06.36257 06 51 54.58 +64 29 00.4 16.6 652 J99X35S C1999 12 06.36461 06 51 54.42 +64 29 00.3 17.1 652 J99X35S C1999 12 06.36618 06 51 54.05 +64 29 00.3 16.5 652 J99X35S C1999 12 06.36838 06 51 53.75 +64 29 01.5 17.1 652 J99X35S C1999 12 06.36983 06 51 53.32 +64 29 02.0 16.6 652 J99X35S C1999 12 06.37162 06 51 53.06 +64 29 02.9 16.5 652 J99X35S C1999 12 06.37319 06 51 52.68 +64 29 03.7 16.7 652 J99X35S C1999 12 06.37549 06 51 51.99 +64 29 04.6 16.8 652 J99X35S C1999 12 06.37686 06 51 51.95 +64 29 05.8 16.9 652 J99X35S C1999 12 06.38255 06 51 50.82 +64 29 08.1 16.8 652 J99X35S C1999 12 06.79904 06 50 42.43 +64 31 13.8 17.2 R 151 J99X35S C1999 12 06.80280 06 50 41.84 +64 31 16.0 17.2 R 151 J99X35S C1999 12 06.80682 06 50 41.10 +64 31 17.9 17.2 R 151 J99X35S C1999 12 06.81221 06 50 40.05 +64 31 20.7 17.3 R 151 J99X35S C1999 12 06.95797 06 50 14.64 +64 32 21.4 620 J99X35S C1999 12 06.97646 06 50 11.17 +64 32 28.5 620 J99X35S C1999 12 06.98690 06 50 08.56 +64 32 32.6 108 J99X35S C1999 12 06.98883 06 50 08.79 +64 32 33.2 620 J99X35S C1999 12 06.99059 06 50 07.95 +64 32 33.0 108 J99X35S C1999 12 06.99259 06 50 07.62 +64 32 33.4 16.7 V 108 J99X35S C1999 12 07.00258 06 50 06.18 +64 32 38.2 620 J99X35S C1999 12 07.01715 06 50 02.93 +64 32 40.7 595 J99X35S C1999 12 07.02010 06 50 02.39 +64 32 41.9 595 J99X35S C1999 12 07.02273 06 50 01.91 +64 32 42.8 16.9 V 595 J99X35S C1999 12 07.12671 06 49 47.46 +64 32 59.3 16.8 V 713 J99X35S C1999 12 07.14358 06 49 44.33 +64 33 05.7 16.9 V 713 J99X35S C1999 12 07.15628 06 49 42.17 +64 33 11.9 16.7 V 713 J99X35S C1999 12 07.16550 06 49 40.44 +64 33 14.7 16.7 V 713 J99X35S C1999 12 07.18119 06 49 37.72 +64 33 20.8 16.5 V 713 J99X35S 1C1999 12 07.40481 06 48 57.31 +64 34 31.3 658 J99X35S 1C1999 12 07.40699 06 48 56.85 +64 34 32.4 658 J99X35S 1C1999 12 07.40993 06 48 56.35 +64 34 33.0 658 J99X35S C1999 12 07.75579 06 47 56.94 +64 36 05.4 16.9 V 402 J99X35S C1999 12 07.75705 06 47 56.73 +64 36 05.5 402 J99X35S C1999 12 07.75831 06 47 56.44 +64 36 05.8 402 J99X35S C1999 12 07.75957 06 47 56.22 +64 36 06.1 402 J99X35S C1999 12 07.86545 06 47 42.70 +64 36 19.4 108 J99X35S C1999 12 07.86968 06 47 41.77 +64 36 20.2 108 J99X35S C1999 12 07.87141 06 47 41.31 +64 36 20.9 16.5 V 108 J99X35S C1999 12 07.96192 06 47 25.31 +64 36 48.5 610 J99X35S C1999 12 07.96352 06 47 24.89 +64 36 49.8 595 J99X35S C1999 12 07.96678 06 47 24.43 +64 36 49.8 610 J99X35S C1999 12 07.97054 06 47 23.63 +64 36 51.0 16.9 V 595 J99X35S C1999 12 07.97164 06 47 23.55 +64 36 51.2 610 J99X35S C1999 12 07.97651 06 47 22.68 +64 36 52.6 610 J99X35S C1999 12 07.97984 06 47 21.96 +64 36 54.2 595 J99X35S C1999 12 07.98137 06 47 21.80 +64 36 54.0 17.1 V 610 J99X35S C1999 12 08.14825 06 46 51.04 +64 37 27.7 16.9 R 468 J99X35S C1999 12 08.15630 06 46 49.59 +64 37 29.0 17.0 R 468 J99X35S C1999 12 08.16451 06 46 48.05 +64 37 30.6 16.9 R 468 J99X35S C1999 12 08.19516 06 46 46.82 +64 37 39.6 16.7 294 J99X35S C1999 12 08.21340 06 46 43.30 +64 37 45.4 16.5 294 J99X35S C1999 12 08.24024 06 46 38.36 +64 37 52.7 16.5 294 J99X35S C1999 12 08.78487 06 45 10.84 +64 39 12.8 557 J99X35S C1999 12 08.78720 06 45 10.47 +64 39 13.4 557 J99X35S IC1999 12 09.05263 06 44 24.01 +64 40 07.6 118 J99X35S C1999 12 09.06391 06 44 22.07 +64 40 09.0 17.0 R 118 J99X35S C1999 12 09.06507 06 44 21.90 +64 40 09.4 118 J99X35S C1999 12 09.14447 06 44 12.54 +64 40 10.7 16.1 V 713 J99X35S C1999 12 09.15729 06 44 10.40 +64 40 14.5 16.3 V 713 J99X35S C1999 12 09.16528 06 44 08.92 +64 40 16.2 16.5 V 713 J99X35S C1999 12 09.17569 06 44 07.20 +64 40 18.7 16.4 V 713 J99X35S C1999 12 09.18564 06 44 05.57 +64 40 21.1 16.5 V 713 J99X35S C1999 12 09.19236 06 44 04.47 +64 40 22.6 16.5 V 713 J99X35S C1999 12 09.20177 06 44 02.73 +64 40 24.4 16.2 V 713 J99X35S C1999 12 09.21271 06 44 00.89 +64 40 26.6 16.5 V 713 J99X35S C1999 12 09.68560 06 42 44.84 +64 40 58.9 557 J99X35S C1999 12 09.68757 06 42 44.51 +64 40 59.1 557 J99X35S C1999 12 09.68956 06 42 44.23 +64 40 59.4 557 Observer details: 046 Klet. Observers J. Ticha, M. Tichy, Z. Moravec. 0.57-m f/5.2 reflector + CCD. 108 Montelupo. Observers M. Tombelli, A. Boattini, L. Tesi, D. Guidetti, E. Masotti. Measurers M. Tombelli, A. Boattini, L. Tesi, S. Bartolini, G. Forti. 0.30-m f/5.7 Schmidt-Cassegrain + CCD. 118 Modra. Observers A. Galad, D. Kalmancok. 0.6-m f/5.5 reflector + CCD. 151 Eschenberg Observatory, Winterthur. Observer M. Griesser. 0.25-m f/8.0 reflector + CCD. 294 Astrophysical Obs., College of Staten Island. Observer I. Robbins. 0.406-m f/5.99 Schmidt-Cassegrain + CCD. 402 Dynic Astronomical Observatory. Observer A. Sugie. 0.60-m f/3.7 reflector + CCD. 468 Campo Catino. Observers F. Mallia, G. Masi. 0.80-m f/4.0 reflector + CCD. 557 Ondrejov. Observers P. Pravec, L. Sarounova, P. Kusnirak. 0.65-m f/3.6 reflector + CCD. 587 Sormano. Observers F. Manca, A. Testa. 0.5-m reflector + CCD. 595 Farra d'Isonzo. Observers G. Lombardi, E. Pettarin. 0.40-m f/4.5 reflector + CCD. 610 Pianoro. Observer V. Goretti. 0.25-m f/4 Schmidt-Cassegrain + CCD. 620 Observatorio Astronomico de Mallorca. Observers S. Sanchez, J. Rodriguez. 0.25-m f/6 Schmidt-Cassegrain + CCD. 652 Rock Finder Observatory, Calgary. Observer B. Yeung. 0.35-m f/7 Schmidt + CCD. 658 Dominion Astrophysical Observatory. Observer D. D. Balam. 1.82-m reflector + CCD. Stellar appearance. 678 Fountain Hills. Observer C. W. Juels. 0.313-m f/5.44 reflector + CCD. 699 Lowell Observatory-LONEOS. Observer B. W. Koehn. 0.59-m LONEOS Schmidt + CCD. 711 McDonald Observatory. Observer J. G. Ries. 0.76-m reflector + CCD. 713 Thornton. Observer R. A. Koff. 0.20-m f/10 Schmidt-Cassegrain + CCD. 719 Etscorn Observatory. Observer D. A. Klinglesmith III. 0.355-m Schmidt-Cassegrain + CCD. 726 Brainerd. Observer J. Wentworth. 0.28-m Schmidt-Cassegrain + CCD. 946 Ametlla de Mar. Observer J. Nomen. 0.30-m f/5.0 reflector + CCD. Orbital elements: 1999 XS35 PHA 0.000A Epoch 1999 Nov. 18.0 TT = JDT 2451500.5 Williams M 0.34873 (2000.0) P Q n 0.01251500 Peri. 333.16910 +0.90652717 -0.33886456 a 18.3730887 Node 49.00576 +0.42173073 +0.70047301 e 0.9484156 Incl. 19.48415 +0.01875331 +0.62809901 P 78.8 H 17.3 G 0.15 From 131 observations 1999 Dec. 2-9. Ephemeris: 1999 XS35 a,e,i = 18.37, 0.95, 19 q = 0.9478 Date TT R. A. (2000) Decl. Delta r Elong. Phase V 1999 12 08 06 47.29 +64 36.8 0.333 1.241 134.3 34.6 16.8 1999 12 13 06 34.25 +64 40.2 0.387 1.294 136.6 31.5 17.1 1999 12 18 06 23.06 +64 19.0 0.443 1.348 138.5 28.9 17.4 1999 12 23 06 13.97 +63 39.8 0.501 1.404 139.7 26.9 17.7 1999 12 28 06 06.98 +62 47.9 0.562 1.461 140.4 25.4 18.0 2000 01 02 06 02.01 +61 47.0 0.626 1.519 140.4 24.3 18.3 2000 01 07 05 58.91 +60 40.3 0.693 1.578 139.9 23.7 18.6 2000 01 12 05 57.51 +59 30.2 0.764 1.637 138.8 23.3 18.9 2000 01 17 05 57.61 +58 18.8 0.838 1.697 137.2 23.2 19.2 2000 01 22 05 58.96 +57 07.6 0.916 1.757 135.2 23.2 19.4 2000 01 27 06 01.37 +55 57.4 0.997 1.817 132.9 23.4 19.7 2000 02 01 06 04.66 +54 48.9 1.082 1.877 130.4 23.6 19.9 2000 02 06 06 08.71 +53 42.4 1.170 1.937 127.6 23.8 20.2 2000 02 11 06 13.40 +52 38.1 1.262 1.997 124.7 24.0 20.4 2000 02 16 06 18.62 +51 36.3 1.357 2.056 121.7 24.1 20.7 2000 02 21 06 24.27 +50 36.9 1.456 2.116 118.7 24.2 20.9 2000 02 26 06 30.27 +49 39.8 1.557 2.175 115.5 24.2 21.1 2000 03 02 06 36.56 +48 44.8 1.661 2.234 112.4 24.2 21.3 2000 03 07 06 43.09 +47 51.8 1.767 2.293 109.2 24.1 21.5 2000 03 12 06 49.82 +47 00.7 1.876 2.352 106.0 24.0 21.6 2000 03 17 06 56.71 +46 11.2 1.986 2.410 102.8 23.7 21.8 2000 03 22 07 03.72 +45 23.3 2.099 2.468 99.6 23.5 22.0 2000 03 27 07 10.81 +44 36.8 2.212 2.526 96.4 23.1 22.1 Gareth V. Williams (C) Copyright 1999 MPC M.P.E.C. 1999-X19


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