MPEC 2018-U04 : 2018 TC6
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M.P.E.C. 2018-U04 Issued 2018 Oct. 17, 11:39 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 2018 TC6 Observations: K18T06C* C2018 10 10.31501 02 57 24.01 +23 55 40.9 21.2 GVEU004G96 K18T06C C2018 10 10.32020 02 57 23.65 +23 55 40.4 21.4 GVEU004G96 K18T06C C2018 10 10.32537 02 57 23.30 +23 55 39.8 22.4 GVEU004G96 K18T06C C2018 10 10.33054 02 57 22.98 +23 55 39.9 21.6 GVEU004G96 K18T06C C2018 10 10.45475 02 57 14.28 +23 55 27.4 21.2 GVEU004V06 K18T06C C2018 10 10.45943 02 57 13.95 +23 55 27.1 21.0 GVEU004V06 K18T06C C2018 10 10.46411 02 57 13.63 +23 55 26.4 21.3 GVEU004V06 K18T06C C2018 10 10.46879 02 57 13.31 +23 55 25.8 21.3 GVEU004V06 K18T06C KC2018 10 11.03976102 56 35.90 +23 54 23.8 21.2 GVEU004L01 K18T06C KC2018 10 11.04754502 56 35.34 +23 54 23.2 21.0 GVEU004L01 K18T06C KC2018 10 11.05551002 56 34.78 +23 54 22.4 21.1 GVEU004L01 K18T06C C2018 10 11.19095702 56 26.40 +23 54 07.5 20.9 GVEU004H01 K18T06C C2018 10 11.20459302 56 25.48 +23 54 06.0 20.8 GVEU004H01 K18T06C C2018 10 11.20954002 56 25.13 +23 54 05.8 20.7 GVEU004H01 K18T06C C2018 10 11.21375202 56 24.84 +23 54 05.4 20.7 GVEU004H01 K18T06C KC2018 10 12.28016202 55 11.77 +23 51 55.7 21.2 VuEU004H21 K18T06C KC2018 10 12.28646302 55 11.31 +23 51 54.9 21.3 VuEU004H21 K18T06C KC2018 10 12.29845202 55 10.45 +23 51 53.6 21.4 VuEU004H21 K18T06C KC2018 10 16.26326702 50 23.60 +23 41 01.8 21.1 VuEU004H21 K18T06C KC2018 10 16.26894002 50 23.18 +23 41 00.6 20.9 VuEU004H21 K18T06C HC2018 10 17.37899 02 48 58.68 +23 37 13.9 20.9 RoEU004291 K18T06C HC2018 10 17.39741 02 48 57.18 +23 37 09.5 20.9 RoEU004291 K18T06C HC2018 10 17.41363 02 48 55.84 +23 37 06.2 20.8 RoEU004291 Observer details: 291 LPL/Spacewatch II. Observer R. A. Mastaler. 1.8-m f/2.7 reflector + CCD. G96 Mt. Lemmon Survey. Observer E. J. Christensen. Measurers B. M. Africano, E. J. Christensen, G. A. Farneth, D. C. Fuls, A. R. Gibbs, A. D. Grauer, H. Groeller, J. A. Johnson, R. A. Kowalski, S. M. Larson, G. J. Leonard, R. L. Seaman, F. C. Shelly. 1.5-m reflector + 10K CCD. H01 Magdalena Ridge Observatory, Socorro. Observers W. H. Ryan, E. V. Ryan. Measurer W. H. Ryan. 2.4-m f/8.9 Ritchey-Chretien + CCD. H21 Astronomical Research Observatory, Westfield. Observer R. Holmes. Measurers S. Foglia, L. Buzzi, T. Linder, R. Holmes. 0.81-m f/4.0 astrograph + CCD, 1.3-m f/4.0 astrograph + CCD. L01 Visnjan Observatory, Tican. Observer K. Korlevic. 1.0-m f/2.9 reflector + CCD. V06 Catalina Sky Survey-Kuiper. Observer H. Groeller. Measurers B. M. Africano, E. J. Christensen, G. A. Farneth, D. C. Fuls, A. R. Gibbs, A. D. Grauer, H. Groeller, J. A. Johnson, R. A. Kowalski, S. M. Larson, G. J. Leonard, R. L. Seaman, F. C. Shelly. 1.55-m reflector + CCD. Orbital elements: 2018 TC6 Earth MOID = 0.2766 AU Epoch 2019 Apr. 27.0 TT = JDT 2458600.5 MPC M 85.81531 (2000.0) P Q n 0.27294856 Peri. 345.23408 +0.69239542 +0.72082618 a 2.3536878 Node 328.56656 -0.65568648 +0.61034338 e 0.4516377 Incl. 3.47326 -0.30110435 +0.32846700 P 3.61 H 19.9 G 0.15 U 7 Residuals in seconds of arc 181010 G96 0.1- 0.2- 181011 L01 0.2+ 0.3- 181012 H21 0.2- 0.2- 181010 G96 0.1- 0.3- 181011 L01 0.1+ 0.0 181012 H21 0.1+ 0.1+ 181010 G96 0.0 0.4- 181011 L01 0.1+ 0.1+ 181016 H21 0.0 0.1+ 181010 G96 0.5+ 0.1+ 181011 H01 0.3- 0.2+ 181016 H21 0.4+ 0.0 181010 V06 0.0 0.1+ 181011 H01 0.0 0.1- 181017 291 0.2+ 0.1+ 181010 V06 0.1- 0.4+ 181011 H01 0.1- 0.2+ 181017 291 0.1+ 0.2- 181010 V06 0.0 0.2+ 181011 H01 0.0 0.1+ 181017 291 0.4- 0.1+ 181010 V06 0.0 0.1+ 181012 H21 0.2- 0.2- Ephemeris: 2018 TC6 a,e,i = 2.35, 0.45, 3 q = 1.2907 Date TT R. A. (2000) Decl. Delta r Elong. Phase V 2018 09 17 03 10 20.5 +23 17 06 0.7891 1.5739 122.1 32.7 21.7 ... 2018 10 02 03 05 03.7 +23 59 07 0.7702 1.6533 137.6 24.1 21.6 ... 2018 10 10 02 57 44.2 +23 56 13 0.7706 1.6971 146.9 18.8 21.4 ... 2018 10 16 02 50 43.3 +23 41 56 0.7777 1.7304 154.1 14.6 21.4 2018 10 17 02 49 27.8 +23 38 36 0.7796 1.7360 155.3 13.9 21.4 2018 10 18 02 48 11.1 +23 35 00 0.7816 1.7416 156.6 13.1 21.3 ... 2018 10 24 02 40 14.8 +23 08 20 0.7982 1.7753 163.8 9.0 21.3 ... 2018 11 01 02 29 37.1 +22 21 59 0.8325 1.8205 171.8 4.5 21.2 ... 2018 11 16 02 13 04.1 +20 42 10 0.9370 1.9055 163.2 8.6 21.7 A. U. Tomatic (C) Copyright 2018 MPC M.P.E.C. 2018-U04


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