MPEC 2018-Y88 : 2017 TV4
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M.P.E.C. 2018-Y88 Issued 2018 Dec. 28, 12:36 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 2017 TV4 Revision to MPEC 2017-U01 Additional Observations: K17T04V C2010 08 20.40295122 07 46.557+54 39 57.23 21.1 GVEY088F51 K17T04V C2010 08 20.41546622 07 45.429+54 39 59.48 20.9 GVEY088F51 K17T04V C2010 08 22.37838622 04 54.391+54 44 28.76 20.9 GVEY088F51 K17T04V C2010 08 22.39102322 04 53.160+54 44 30.11 21.0 GVEY088F51 K17T04V C2010 08 23.47218622 03 12.817+54 45 40.37 20.5 GVEY088F51 K17T04V C2010 08 23.48457022 03 11.565+54 45 40.38 20.7 GVEY088F51 K17T04V C2011 04 23.26462611 00 28.125-00 20 28.08 20.9 GVEY088F51 K17T04V C2011 04 23.27524111 00 28.292-00 20 10.90 21.4 GVEY088F51 K17T04V C2017 08 08.47091222 08 45.708+53 10 13.87 20.9 GVEY088F51 K17T04V C2017 08 08.50932422 08 43.327+53 10 33.50 21.8 GVEY088F51 Observer details: F51 Pan-STARRS 1, Haleakala. Observers J. Bulger, K. Chambers, T. Lowe, E. Magnier, A. Schultz, M. Willman. Measurers S. Chastel, M. Huber, Y. Ramanjooloo, R. Wainscoat, R. Weryk. 1.8-m Ritchey-Chretien + CCD. First and last observations above in comparison with prediction: Residuals in seconds of arc, reference and Delta-T 100820 F51 44.4+ 9.4+ 170808 F51 0.3+ 0.1+ MPO446980 +0.00000 day Orbital elements: 2017 TV4 PHA, Earth MOID = 0.0405 AU Epoch 2019 Apr. 27.0 TT = JDT 2458600.5 MPC M 144.00194 (2000.0) P Q n 0.28114791 Peri. 238.01615 +0.39653863 -0.90672414 a 2.3077007 Node 191.72908 +0.87653891 +0.32748932 e 0.6288378 Incl. 44.92538 -0.27283083 -0.26571051 P 3.51 H 19.0 G 0.15 U 0 Residuals in seconds of arc 100820 F51 0.0 0.2+ 171013 160 0.1- 0.1- 171020 I52 0.1- 0.0 100820 F51 0.0 0.0 171013 K38 0.3- 0.0 171020 I52 0.1- 0.0 100822 F51 0.0 0.1+ 171013 K38 0.2+ 0.4+ 171020 I52 0.1+ 0.1- 100822 F51 0.0 0.1+ 171013 C77 0.0 0.7- 171024 474 0.0 0.0 100823 F51 0.1- 0.3+ 171013 C77 0.1- 0.4+ 171024 474 0.1+ 0.1+ 100823 F51 0.1- 0.0 171013 K38 0.1- 0.2- 171024 474 0.0 0.2- 110423 F51 0.1- 0.0 171013 K38 0.1+ 0.1+ 171024 474 0.0 0.2- 110423 F51 0.0 0.1+ 171014 246 (4.7- 0.7+) 171027 474 0.1+ 0.0 170808 F51 0.3- 0.2- 171014 246 0.1+ 0.2- 171027 474 0.2+ 0.0 170808 F51 0.2+ 0.1- 171014 246 0.0 0.1- 171027 474 0.0 0.1- 171012 C51 0.1+ 0.3- 171014 246 0.2+ 0.3- 171028 807 0.0 0.1- 171012 T05 0.0 0.3- 171014 246 0.1- 0.5- 171028 807 0.1+ 0.0 171012 T05 0.2+ 0.5- 171014 246 0.2- 0.1- 171028 807 0.1+ 0.0 171012 T05 0.1- 0.1+ 171014 K88 0.1- 0.8+ 171029 474 0.1+ 0.2- 171012 C51 0.1+ 0.2- 171014 K88 0.0 0.5+ 171029 474 0.1+ 0.4+ 171012 T05 0.2+ 0.2+ 171014 K88 0.3+ 0.3+ 171029 474 0.2+ 0.0 171012 T05 0.2+ 0.1- 171014 587 0.3+ 0.4+ 171029 474 0.0 0.4- 171012 C51 0.1- 0.2- 171014 587 0.1- 0.4- 171110 474 0.1+ 0.1- 171012 C51 0.1- 0.4- 171014 587 0.1+ 0.4- 171110 474 0.1+ 0.1+ 171012 C51 0.1+ 0.3- 171014 J95 0.2+ 0.1- 171110 474 0.1+ 0.2+ 171012 C51 0.1+ 0.4- 171014 J95 0.4- 0.2- 171111 474 0.0 0.1+ 171012 J95 0.0 0.0 171014 J95 0.0 0.4+ 171111 474 0.4+ 0.2- 171012 J95 0.3- 0.0 171015 B15 0.2- 0.3+ 171111 474 0.3+ 0.6- 171012 J95 0.1- 0.1+ 171015 B15 0.2- 0.1+ 171114 474 0.4+ 0.1- 171012 204 0.2- 0.2- 171015 K88 0.8+ 0.2+ 171114 474 0.0 0.0 171012 204 0.0 0.2- 171015 K88 0.0 0.6+ 171114 474 0.1+ 0.1+ 171012 104 0.1- 0.3+ 171015 B15 0.0 0.3- 171114 474 0.2+ 0.1- 171012 204 0.2- 0.1- 171015 K88 0.2+ 0.4+ 171118 474 0.1+ 0.0 171012 104 0.5+ 0.3+ 171015 160 0.1+ 0.4- 171118 474 0.2+ 0.0 171012 K88 0.1+ 0.0 171015 160 0.1- 1.0- 171118 474 0.1+ 0.0 171012 204 0.1+ 0.0 171015 246 0.5+ 0.2- 171118 474 0.1+ 0.0 171012 K88 0.0 0.2+ 171015 160 0.0 0.2- 171231 807 0.2- 0.5- 171012 K88 0.0 0.1+ 171015 246 0.1- 0.0 171231 807 0.6- 0.0 171012 104 0.0 0.0 171015 246 1.0- 0.4- 171231 807 1.0- 0.2- 171012 204 0.0 0.1- 171015 246 0.0 0.5- 180126 807 0.2- 0.0 171012 K33 0.1+ 0.5+ 171015 246 0.0 0.3- 180126 807 0.0 0.5+ 171012 K33 0.3- 0.0 171015 160 0.1- 0.4- 180306 807 0.4+ 1.1+ 171012 K33 0.3- 0.2+ 171017 H21 0.1- 0.0 180306 807 0.7+ 0.1+ 171012 K33 0.6+ 0.0 171017 H21 0.2- 0.1+ 180306 807 0.1- 0.5+ 171012 Y00 0.6+ 0.4- 171017 H21 0.1+ 0.0 180320 I52 0.1- 1.2- 171012 Y00 0.0 0.2- 171017 H21 0.0 0.1+ 180320 I52 0.3- 0.5+ 171013 H36 0.2- 0.3- 171017 H21 0.1+ 0.1- 180320 I52 0.0 0.7- 171013 H36 0.1+ 0.5- 171017 H21 0.3- 0.1+ 180320 I52 0.4- 0.3- 171013 H36 0.3+ 0.2- 171017 H21 0.3- 0.2- 180403 691 0.4+ 0.1- 171013 850 0.9+ 0.1+ 171017 246 1.2+ 0.1+ 180403 691 0.1+ 0.2+ 171013 850 0.9+ 0.4- 171017 246 0.4- 0.0 180403 691 0.2+ 0.1- 171013 850 0.7- 0.2+ 171017 246 0.1+ 0.2+ 180404 691 0.2- 0.1- 171013 850 0.3- 0.4+ 171017 246 0.5+ 1.5+ 180404 691 0.3+ 0.1- 171013 850 0.2+ 0.0 171017 246 0.5+ 0.2- 180404 691 0.8+ 0.2- 171013 850 0.5+ 0.1+ 171018 246 0.0 0.6+ 180405 691 0.1+ 0.3+ 171013 926 0.1- 0.0 171018 246 0.1+ 0.1- 180405 691 0.0 0.3+ 171013 926 0.1- 0.1+ 171018 246 0.8+ 0.6+ 180405 691 0.1- 0.1- 171013 926 0.1- 0.1- 171018 246 0.4- 0.2- 180405 I52 0.3- 0.2- 171013 850 1.1- 0.1+ 171018 246 0.0 0.4+ 180405 I52 0.6+ 0.5+ 171013 850 0.4+ 0.5+ 171018 246 0.3- 0.7- 180405 I52 0.3- 0.3- 171013 850 1.7+ 0.1- 171018 246 0.1- 0.6- 180405 I52 0.2- 0.3+ 171013 E23 0.4+ 0.2- 171018 246 0.1+ 0.5+ 180406 691 0.1+ 0.0 171013 E23 0.9- 0.1+ 171019 807 0.1+ 0.0 180406 691 0.0 0.4+ 171013 Q62 0.2- 0.8+ 171019 807 0.0 0.1- 180406 691 0.1+ 0.1+ 171013 Q62 0.3+ 0.7+ 171019 807 0.0 0.1- 180408 691 0.3- 0.1+ 171013 Q62 0.8+ 0.2+ 171019 807 0.1+ 0.1- 180408 691 0.0 0.2+ 171013 160 0.3+ 0.0 171019 807 0.1- 0.1- 180408 691 0.3- 0.2+ 171013 160 0.0 0.1- 171019 807 0.1+ 0.1- 180411 691 0.1- 0.1+ 171013 160 0.1+ 0.0 171019 807 0.0 0.1- 180411 691 0.2- 0.4- 171013 160 0.1- 0.0 171020 I52 0.0 0.0 180411 691 0.2- 0.1- Ephemeris: 2017 TV4 a,e,i = 2.31, 0.63, 45 q = 0.8565 Date TT R. A. (2000) Decl. Delta r Elong. Phase V 2018 11 28 15 04 20.6 +01 01 23 4.0701 3.2324 28.0 8.2 25.2 ... 2018 12 13 15 22 06.0 +01 12 08 4.0158 3.2894 37.5 10.5 25.3 ... 2018 12 21 15 31 08.9 +01 27 26 3.9711 3.3184 42.9 11.6 25.3 ... 2018 12 27 15 37 41.8 +01 43 36 3.9311 3.3394 47.0 12.4 25.3 2018 12 28 15 38 46.0 +01 46 42 3.9240 3.3428 47.7 12.6 25.3 2018 12 29 15 39 49.8 +01 49 55 3.9166 3.3463 48.4 12.7 25.3 ... 2019 01 04 15 46 03.7 +02 11 45 3.8697 3.3666 52.7 13.4 25.4 ... 2019 01 12 15 53 56.2 +02 47 49 3.8000 3.3928 58.6 14.3 25.4 ... 2019 01 27 16 07 05.5 +04 17 47 3.6513 3.4394 69.9 15.6 25.3 A. U. Tomatic (C) Copyright 2018 MPC M.P.E.C. 2018-Y88


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