MPEC 1999-X15 : 1999 XO35
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M.P.E.C. 1999-X15 Issued 1999 Dec. 9, 19:56 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 XO35 Observations: J99X35O* C1999 12 06.29266 05 54 08.49 +16 21 28.3 15.6 704 J99X35O C1999 12 06.30694 05 54 06.74 +16 22 17.9 16.0 704 J99X35O C1999 12 06.32120 05 54 05.06 +16 23 07.7 15.7 704 J99X35O C1999 12 06.33544 05 54 03.31 +16 23 57.2 15.9 704 J99X35O C1999 12 06.34973 05 54 01.58 +16 24 46.6 16.0 704 J99X35O C1999 12 06.96587 05 52 52.59 +17 00 09.7 595 J99X35O C1999 12 06.98534 05 52 50.24 +17 01 16.5 16.4 V 595 J99X35O C1999 12 07.08813 05 52 38.17 +17 07 08.1 16.2 R 946 J99X35O C1999 12 07.09096 05 52 37.85 +17 07 17.6 946 J99X35O C1999 12 07.09993 05 52 36.82 +17 07 48.2 16.0 R 946 J99X35O C1999 12 07.23388 05 52 22.96 +17 15 28.1 15.7 V 719 J99X35O C1999 12 07.23836 05 52 22.40 +17 15 43.5 16.1 V 719 J99X35O C1999 12 07.28851 05 52 16.38 +17 18 35.1 15.9 704 J99X35O C1999 12 07.30313 05 52 14.62 +17 19 24.9 16.1 704 J99X35O C1999 12 07.31770 05 52 12.85 +17 20 14.3 16.2 704 J99X35O C1999 12 07.33227 05 52 11.13 +17 21 04.7 16.9 704 J99X35O C1999 12 07.34694 05 52 09.30 +17 21 53.9 16.2 704 J99X35O 1C1999 12 07.39461 05 52 03.94 +17 24 29.9 658 J99X35O 1C1999 12 07.40007 05 52 03.29 +17 24 48.5 658 J99X35O 1C1999 12 07.40154 05 52 03.11 +17 24 53.3 658 J99X35O C1999 12 07.63040 05 51 37.74 +17 37 52.2 16.3 V 402 J99X35O C1999 12 07.63167 05 51 37.60 +17 37 56.9 402 J99X35O C1999 12 07.63419 05 51 37.26 +17 38 04.5 402 J99X35O C1999 12 07.63620 05 51 37.03 +17 38 11.9 402 J99X35O C1999 12 07.85503 05 51 13.03 +17 50 20.6 15.8 R 046 J99X35O C1999 12 07.85617 05 51 12.97 +17 50 24.7 046 J99X35O C1999 12 07.85847 05 51 12.64 +17 50 32.3 046 J99X35O C1999 12 07.86263 05 51 12.25 +17 50 46.5 046 J99X35O C1999 12 07.89343 05 51 08.61 +17 52 31.6 595 J99X35O C1999 12 07.89705 05 51 08.20 +17 52 43.9 595 J99X35O C1999 12 07.90142 05 51 07.69 +17 52 58.9 16.4 V 595 J99X35O C1999 12 07.91773 05 51 05.85 +17 53 51.9 610 J99X35O C1999 12 07.92190 05 51 05.35 +17 54 06.2 610 J99X35O C1999 12 07.93785 05 51 03.45 +17 55 00.8 610 J99X35O C1999 12 07.94201 05 51 02.95 +17 55 15.1 610 J99X35O C1999 12 07.94618 05 51 02.46 +17 55 29.4 16.4 V 610 J99X35O IC1999 12 07.94641 05 51 02.36 +17 55 28.1 587 J99X35O IC1999 12 07.94931 05 51 02.02 +17 55 38.7 587 J99X35O C1999 12 08.01332 05 50 54.31 +17 59 14.4 15.9 R 468 J99X35O C1999 12 08.02247 05 50 53.19 +17 59 44.1 15.8 R 468 J99X35O C1999 12 08.05419 05 50 49.42 +18 01 29.3 16.1 106 J99X35O C1999 12 08.07390 05 50 47.07 +18 02 34.2 16.0 106 J99X35O C1999 12 08.09362 05 50 44.74 +18 03 40.1 16.1 106 J99X35O C1999 12 08.17773 05 50 36.86 +18 08 17.5 17.6 652 J99X35O C1999 12 08.18159 05 50 36.57 +18 08 23.5 16.7 652 J99X35O C1999 12 08.21911 05 50 31.90 +18 10 40.5 16.6 V 739 J99X35O C1999 12 08.22162 05 50 31.60 +18 10 48.9 16.6 V 739 J99X35O C1999 12 08.22556 05 50 31.13 +18 11 02.4 16.5 V 739 J99X35O C1999 12 08.31685 05 50 20.41 +18 16 07.2 15.8 704 J99X35O C1999 12 08.32103 05 50 20.19 +18 16 21.0 670 J99X35O C1999 12 08.32524 05 50 19.39 +18 16 35.0 17.3 704 J99X35O C1999 12 08.32933 05 50 18.90 +18 16 48.5 16.2 704 J99X35O C1999 12 08.33772 05 50 17.86 +18 17 16.2 17.7 704 J99X35O C1999 12 08.34181 05 50 17.39 +18 17 29.7 16.7 704 J99X35O C1999 12 08.34428 05 50 17.37 +18 17 38.4 670 J99X35O C1999 12 08.35019 05 50 16.34 +18 17 57.2 17.9 704 J99X35O C1999 12 08.35425 05 50 15.89 +18 18 10.7 16.4 704 J99X35O C1999 12 08.36671 05 50 14.38 +18 18 52.6 16.9 704 J99X35O 0C1999 12 08.37426 05 50 13.69 +18 19 17.6 675 J99X35O C1999 12 08.37511 05 50 13.34 +18 19 20.1 17.1 704 J99X35O 0C1999 12 08.37607 05 50 13.47 +18 19 23.6 675 J99X35O C1999 12 08.38486 05 50 12.51 +18 19 52.2 670 J99X35O C1999 12 08.41492 05 50 08.85 +18 21 31.2 16.5 V 670 J99X35O C1999 12 08.89058 05 49 16.62 +18 47 27.3 16.6 R 151 J99X35O C1999 12 08.89455 05 49 16.25 +18 47 40.9 16.4 R 151 J99X35O C1999 12 08.89889 05 49 15.69 +18 47 54.7 16.7 R 151 J99X35O C1999 12 08.90044 05 49 15.47 +18 48 01.1 16.3 R 151 J99X35O C1999 12 08.90462 05 49 15.08 +18 48 13.7 16.6 R 151 J99X35O C1999 12 08.91037 05 49 14.45 +18 48 30.8 16.5 R 151 J99X35O C1999 12 08.99184 05 49 04.54 +18 52 58.7 118 J99X35O C1999 12 08.99499 05 49 04.14 +18 53 09.1 16.0 R 118 J99X35O C1999 12 08.99601 05 49 04.02 +18 53 12.4 118 J99X35O C1999 12 09.25681 05 48 35.18 +19 07 24.4 15.6 V 713 J99X35O C1999 12 09.26716 05 48 34.02 +19 07 57.7 15.8 V 713 J99X35O C1999 12 09.28041 05 48 32.48 +19 08 40.5 16.0 V 713 J99X35O C1999 12 09.28559 05 48 31.83 +19 08 57.5 15.9 V 713 J99X35O C1999 12 09.33564 05 48 26.27 +19 11 37.3 670 J99X35O C1999 12 09.37760 05 48 21.22 +19 13 52.5 670 Observer details: 046 Klet. Observers M. Tichy, Z. Moravec. 0.57-m f/5.2 reflector + CCD. 106 Crni Vrh. Observers H. Mikuz, S. Maticic. 0.36-m f/6.7 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. 402 Dynic Astronomical Observatory. Observer A. Sugie. 0.60-m f/3.7 reflector + CCD. 468 Campo Catino. Observers G. Masi, F. Mallia. 0.25-m f/3.0 reflector + CCD. 587 Sormano. Observers A. Testa, V. Giuliani. 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. 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. 670 Camarillo. Observer J. E. Rogers. 0.30-m f/6.7 Helin Telescope + CCD. 675 Palomar Mountain. Observers M. Hicks, K. Lawrence, T. McConnochie. 1.5-m reflector + CCD. 704 Lincoln Laboratory ETS, New Mexico. Observers M. Blythe, F. Shelly, M. Bezpalko, M. Elowitz, R. Huber. Measurers J. Stuart, H. Viggh, R. Sayer. 1.0-m f/2.15 reflector + CCD. 713 Thornton. Observer R. A. Koff. 0.20-m f/10 Schmidt-Cassegrain + CCD. 719 Etscorn Observatory. Observers D. A. Klinglesmith III, S. Hathaway. 0.355-m Schmidt-Cassegrain + CCD. 739 Sunflower Observatory, Olathe. Observer L. Robinson. 0.25-m Schmidt-Cassegrain + CCD. 946 Ametlla de Mar. Observer J. Nomen. 0.30-m f/5.0 reflector + CCD. Orbital elements: 1999 XO35 Epoch 1999 Dec. 8.0 TT = JDT 2451520.5 Williams M 17.02825 (2000.0) P Q n 0.25232813 Peri. 292.27870 +0.90858470 -0.23811869 a 2.4802318 Node 82.87051 +0.37357512 +0.83077839 e 0.5646990 Incl. 20.23401 -0.18685683 +0.50309716 P 3.91 H 17.2 G 0.15 From 73 observations 1999 Dec. 6-9. Ephemeris: 1999 XO35 a,e,i = 2.48, 0.56, 20 q = 1.0796 Date TT R. A. (2000) Decl. Delta r Elong. Phase V 1999 12 08 05 50.93 +17 58.6 0.371 1.348 166.5 9.8 16.3 1999 12 13 05 41.71 +22 18.4 0.399 1.382 174.6 3.8 16.3 1999 12 18 05 33.12 +25 59.4 0.433 1.417 176.8 2.2 16.4 1999 12 23 05 25.57 +29 02.4 0.474 1.452 169.9 6.8 16.9 1999 12 28 05 19.34 +31 30.6 0.520 1.488 163.3 11.0 17.3 2000 01 02 05 14.57 +33 28.8 0.570 1.525 157.1 14.5 17.7 2000 01 07 05 11.35 +35 02.1 0.626 1.562 151.4 17.5 18.1 2000 01 12 05 09.68 +36 15.3 0.686 1.599 146.1 20.1 18.4 2000 01 17 05 09.46 +37 12.4 0.749 1.636 141.2 22.2 18.7 2000 01 22 05 10.58 +37 56.8 0.816 1.673 136.5 23.9 19.0 2000 01 27 05 12.88 +38 31.1 0.887 1.711 132.1 25.3 19.3 2000 02 06 05 20.55 +39 16.7 1.036 1.785 124.0 27.3 19.8 2000 02 16 05 31.53 +39 40.3 1.196 1.860 116.5 28.4 20.2 2000 02 26 05 44.95 +39 48.5 1.363 1.933 109.4 28.9 20.6 2000 03 07 06 00.15 +39 44.6 1.537 2.005 102.8 28.9 20.9 2000 03 17 06 16.64 +39 30.8 1.715 2.076 96.4 28.4 21.2 2000 03 27 06 33.97 +39 08.2 1.897 2.146 90.2 27.7 21.5 2000 04 06 06 51.85 +38 37.8 2.079 2.215 84.2 26.7 21.7 2000 04 16 07 10.05 +38 00.1 2.262 2.282 78.4 25.5 21.9 2000 04 26 07 28.33 +37 15.7 2.442 2.347 72.6 24.2 22.1 Gareth V. Williams (C) Copyright 1999 MPC M.P.E.C. 1999-X15


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