MPEC 2019-F33 : 2019 CH1
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M.P.E.C. 2019-F33 Issued 2019 Mar. 19, 10:34 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 the Tamkin Foundation Computer Network MPC@CFA.HARVARD.EDU URL https://www.minorplanetcenter.net/ ISSN 1523-6714 2019 CH1 Revision to MPEC 2019-C51 Additional Observations: K19C01H C2016 01 16.60906512 28 14.628-14 21 03.09 22.4 GVEF033F51 K19C01H C2016 01 16.62144312 28 14.014-14 21 08.63 22.5 GVEF033F51 K19C01H C2016 02 04.53864412 03 32.530-15 26 03.26 22.3 GVEF033F51 K19C01H C2016 02 04.55095612 03 31.085-15 26 03.13 23.0 GVEF033F51 K19C01H C2016 02 04.56328912 03 29.720-15 26 02.57 23.0 GVEF033F51 K19C01H C2016 02 04.57561912 03 28.320-15 26 02.41 23.0 GVEF033F51 Observer details: F51 Pan-STARRS 1, Haleakala. Observers J. Bulger, K. Chambers, T. Lowe, E. Magnier, A. Schultz, M. Willman. Measurers S. Chastel, T. de Boer, J. Fairlamb, M. Huber, C.-C. Lin, Y. Ramanjooloo, R. Wainscoat, R. Weryk. 1.8-m Ritchey-Chretien + CCD. Orbital elements: 2019 CH1 PHA, Earth MOID = 0.0362 AU Epoch 2019 Apr. 27.0 TT = JDT 2458600.5 MPC M 109.30089 (2000.0) P Q n 0.63882632 Peri. 73.53262 +0.96929430 -0.17876656 a 1.3352037 Node 296.50008 +0.08081128 +0.88009349 e 0.7140439 Incl. 10.87551 +0.23224577 +0.43986131 P 1.54 H 21.0 G 0.15 U 4 Residuals in seconds of arc 160116 F51 0.1- 0.4+ 190117 F51 0.1- 0.1- 190206 568 0.0 0.0 160116 F51 0.1- 0.2- 190117 F51 0.1- 0.0 190206 568 0.0 0.0 160204 F51 0.1+ 0.1- 190205 F51 0.1- 0.1+ 190206 568 0.1+ 0.0 160204 F51 0.5- 0.2- 190205 F51 0.0 0.0 190206 568 0.0 0.0 160204 F51 0.1+ 0.1+ 190205 F51 0.0 0.0 190207 J04 0.1+ 0.1+ 160204 F51 0.3+ 0.1- 190206 807 0.1- 0.0 190207 J04 0.1- 0.1+ 190110 F51 0.2+ 0.7+ 190206 807 0.0 0.2+ 190317 695 0.3+ 0.0 190110 F51 0.0 0.5- 190206 807 0.2+ 0.0 190317 695 0.3+ 0.1+ 190117 F51 0.1- 0.2- 190206 568 0.0 0.1- 190317 695 0.4+ 0.2+ 190117 F51 0.1+ 0.2- 190206 568 0.0 0.0 Ephemeris: 2019 CH1 a,e,i = 1.34, 0.71, 11 q = 0.3818 Date TT R. A. (2000) Decl. Delta r Elong. Phase V 2019 02 17 10 41 18.8 -10 21 11 0.6263 1.5784 155.2 15.2 21.8 ... 2019 03 04 09 57 09.2 -06 01 24 0.7344 1.7012 160.4 11.3 22.2 ... 2019 03 12 09 40 47.3 -03 50 00 0.8186 1.7609 152.6 15.1 22.6 ... 2019 03 18 09 31 53.6 -02 23 16 0.8917 1.8031 145.7 18.1 23.0 2019 03 19 09 30 40.4 -02 09 57 0.9047 1.8099 144.5 18.6 23.0 2019 03 20 09 29 31.4 -01 56 58 0.9178 1.8167 143.4 19.1 23.1 ... 2019 03 26 09 24 01.6 -00 46 04 1.0003 1.8561 136.6 21.7 23.4 ... 2019 04 03 09 20 00.4 +00 30 21 1.1189 1.9056 128.1 24.4 23.8 ... 2019 04 18 09 20 23.2 +02 03 42 1.3598 1.9892 113.8 27.5 24.4 A. U. Tomatic (C) Copyright 2019 MPC M.P.E.C. 2019-F33


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