MPEC 2017-W42 : 2017 WC
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ReadMPEC 2017-W41
ReadMPEC 2017-W43M.P.E.C. 2017-W42 Issued 2017 Nov. 17, 16:51 UT The Minor Planet Electronic Circulars contain information on unusual minor planets and routine data on comets. They are published on behalf of Division F of the International Astronomical Union by the Minor Planet Center, Smithsonian Astrophysical Observatory, Cambridge, MA 02138, U.S.A. Prepared using theTamkin Foundation Computer Network MPC@CFA.HARVARD.EDU URLhttps://www.minorplanetcenter.net/ ISSN 1523-6714 2017 WCObservations: K17W00C* C2017 11 16.22230 23 57 37.41 -07 09 42.0 19.0 GUEW042703 K17W00C C2017 11 16.22780 23 57 39.29 -07 08 01.1 20.0 GUEW042703 K17W00C C2017 11 16.23331 23 57 41.18 -07 06 20.0 19.2 GUEW042703 K17W00C C2017 11 16.24062 23 57 43.79 -07 04 06.5 18.6 GUEW042703 K17W00C C2017 11 16.27845 23 57 57.68 -06 52 21.8 18.7 GUEW042I52 K17W00C C2017 11 16.27887 23 57 57.86 -06 52 13.4 18.9 GUEW042I52 K17W00C C2017 11 16.27928 23 57 58.01 -06 52 05.6 18.6 GUEW042I52 K17W00C KC2017 11 16.38872923 59 11.69 -06 07 30.8 19.2 RUEW042474 K17W00C KC2017 11 16.38947023 59 11.99 -06 07 16.0 18.8 RUEW042474 K17W00C KC2017 11 16.39095323 59 12.56 -06 06 47.2 19.4 RUEW042474 K17W00C KC2017 11 16.39206523 59 12.98 -06 06 25.2 19.0 RUEW042474 K17W00C KC2017 11 16.50377723 59 59.02 -05 28 39.5 18.9 RUEW042474 K17W00C KC2017 11 16.50563023 59 59.86 -05 28 00.8 18.8 RUEW042474 K17W00C KC2017 11 16.50624700 00 00.14 -05 27 48.2 18.8 RUEW042474 K17W00C KC2017 11 16.50686500 00 00.43 -05 27 35.3 19.0 RUEW042474 K17W00C KC2017 11 16.78970 00 03 11.29 -03 55 58.0 19.1 RUEW042K51 K17W00C KC2017 11 16.79066 00 03 11.75 -03 55 35.6 19.0 RUEW042K51 K17W00C KC2017 11 16.79160 00 03 12.22 -03 55 13.3 19.2 RUEW042K51 K17W00C KC2017 11 16.82101 00 03 25.67 -03 43 37.1 19.0 VqEW042595 K17W00C KC2017 11 16.82499 00 03 28.77 -03 41 50.9 18.9 RUEW042104 K17W00C KC2017 11 16.82619 00 03 29.35 -03 41 21.0 18.6 RUEW042160 K17W00C KC2017 11 16.82774 00 03 30.06 -03 40 43.7 18.6 RUEW042160 K17W00C KC2017 11 16.82800 00 03 30.20 -03 40 39.0 18.7 RUEW042104 K17W00C KC2017 11 16.82853 00 03 30.49 -03 40 24.5 18.2 RUEW042160 K17W00C KC2017 11 16.82930 00 03 30.77 -03 40 06.5 18.7 RUEW042160 K17W00C KC2017 11 16.82957 00 03 29.84 -03 40 12.3 18.9 VqEW042595 K17W00C KC2017 11 16.83088 00 03 31.62 -03 39 26.9 19.0 RUEW042160 K17W00C KC2017 11 16.83100 00 03 31.70 -03 39 27.6 18.6 RUEW042104 K17W00C KC2017 11 16.83400 00 03 33.15 -03 38 15.8 18.9 RUEW042104 K17W00C KC2017 11 16.83812 00 03 34.04 -03 36 47.0 18.7 VqEW042595 K17W00C KC2017 11 16.84667 00 03 38.32 -03 33 21.4 19.0 VqEW042595 K17W00C KC2017 11 16.85033 00 03 46.67 -03 32 26.5 UEW042J95 K17W00C KC2017 11 16.85403 00 03 48.55 -03 30 57.3 UEW042J95 K17W00C KC2017 11 16.85730 00 03 50.22 -03 29 38.4 18.9 GUEW042J95 K17W00C KC2017 11 17.03380400 06 02.72 -02 13 52.0 19.1 VuEW042H21 K17W00C KC2017 11 17.03723900 06 04.60 -02 12 21.1 19.1 VuEW042H21 K17W00C KC2017 11 17.04118200 06 06.75 -02 10 36.6 19.2 VuEW042H21 K17W00C C2017 11 17.09676 00 06 49.78 -01 44 45.1 UEW042I52 K17W00C C2017 11 17.09701 00 06 49.91 -01 44 37.8 18.1 GUEW042I52 K17W00C C2017 11 17.09713 00 06 49.99 -01 44 34.8 18.2 GUEW042I52Observer details:104 San Marcello Pistoiese. Observers P. Bacci, M. Maestripieri. Measurers P. Bacci, L. Tesi, G. Fagioli. 0.60-m f/4 reflector + CCD.160 Castelmartini. Observers M. Jaeger, E. Prosperi, S. Prosperi, W. Vollmann. Measurer E. Prosperi. 0.35-m f/10 Schmidt-Cassegrain + CCD.474 Mount John Observatory, Lake Tekapo. Observers A. C. Gilmore, P. M. Kilmartin. Measurer P. M. Kilmartin. 1.0-m f/7.7 reflector + CCD.595 Farra d'Isonzo. Observers L. Bittesini, F. Bressan, E. Pettarin, F. Piani. Measurer E. Pettarin. 0.61-m f/4.0 reflector + CCD.703 Catalina Sky Survey. Observer R. A. Kowalski. Measurers E. J. Christensen, D. C. Fuls, A. R. Gibbs, A. D. Grauer, J. A. Johnson, R. A. Kowalski, S. M. Larson, G. J. Leonard, R. G. Matheny, R. L. Seaman, F. C. Shelly. 0.68-m Schmidt + 10K CCD.H21 Astronomical Research Observatory, Westfield. Observer R. Holmes. Measurers S. Foglia, L. Buzzi, T. Linder, R. Holmes. 0.76-m f/3.0 astrograph + CCD.I52 Steward Observatory, Mt. Lemmon Station. Observers G. J. Leonard, R. G. Matheny. Measurers E. J. Christensen, D. C. Fuls, A. R. Gibbs, A. D. Grauer, J. A. Johnson, R. A. Kowalski, S. M. Larson, G. J. Leonard, R. G. Matheny, R. L. Seaman, F. C. Shelly. 1.0-m reflector + CCD.J95 Great Shefford. Observer P. Birtwhistle. 0.40-m f/6.0 Schmidt-Cassegrain + CCD.K51 Osservatorio del Celado, Castello Tesino. Observer G. Favero. Measurer M. Campestrin. 0.80-m f/4 reflector + CCD.Orbital elements:2017 WC EarthMOID = 0.0081 AUEpoch 2017 Sept. 4.0 TT = JDT 2458000.5 MPCM 334.98641 (2000.0) P Qn 0.30210441 Peri. 10.28706 +0.42727145 -0.90190481a 2.1997062 Node 54.44632 +0.82389219 +0.35956730e 0.5492057 Incl. 4.46237 +0.37234494 +0.23933045P 3.26 H 26.0 G 0.15 U 6Residuals in seconds of arc171116 703 0.2- 0.0 171116 474 0.0 0.1- 171116 104 0.4+ 0.4-171116 703 0.2- 0.2+ 171116 K51 0.0 0.1- 171116 595 0.2- 0.9+171116 703 0.4- 0.2+ 171116 K51 0.1- 0.2- 171116 595 0.4+ 0.5+171116 703 0.4+ 0.8- 171116 K51 0.1+ 0.1+ 171116 J95 0.1+ 0.1+171116 I52 0.1+ 0.2- 171116 595 0.2+ 0.2+ 171116 J95 0.2- 0.1-171116 I52 0.3+ 0.3+ 171116 104 0.2+ 0.1+ 171116 J95 0.3- 0.3-171116 I52 0.2+ 0.4+ 171116 160 0.6+ 0.3- 171117 H21 0.1+ 0.0171116 474 0.2- 0.0 171116 160 0.0 0.0 171117 H21 0.2+ 0.1+171116 474 0.1+ 0.2+ 171116 104 0.2- 0.1+ 171117 H21 0.1+ 0.2+171116 474 0.1+ 0.2- 171116 160 0.7+ 0.3+ 171117 I52 0.1- 0.3-171116 474 0.0 0.1- 171116 160 0.7- 0.1- 171117 I52 0.2- 0.2+171116 474 0.2- 0.1+ 171116 595 0.0 0.6+ 171117 I52 0.0 0.1-171116 474 0.1- 0.2+ 171116 160 (0.6+ 1.6+)171116 474 0.1- 0.1- 171116 104 0.5+ 0.3-Ephemeris:2017 WC a,e,i = 2.20, 0.55, 4 q = 0.9916Date TT R. A. (2000) Decl. Delta r Elong. Phase V2017 10 18 23 37 07.6 -24 03 07 0.1440 1.1051 136.4 38.4 23.5...2017 11 02 23 31 36.7 -23 32 40 0.07911 1.0367 122.3 54.0 22.5...2017 11 10 23 36 11.7 -20 04 32 0.04478 1.0119 117.6 60.1 21.4...2017 11 16 23 56 03.3 -08 09 14 0.01951 0.9995 122.0 57.1 19.52017 11 17 00 05 27.5 -02 22 45 0.01558 0.9979 125.7 53.6 18.92017 11 18 00 20 55.7 +07 06 26 0.01194 0.9966 131.9 47.6 18.2...2017 11 24 10 13 57.3 +49 26 44 0.01858 0.9917 102.9 76.0 20.0...2017 12 02 10 58 15.3 +36 00 17 0.05212 0.9943 97.7 79.3 22.3...2017 12 17 11 04 24.9 +32 07 43 0.1138 1.0267 109.0 65.0 23.6A. U. Tomatic (C) Copyright 2017 MPC M.P.E.C. 2017-W42
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