MPEC 2017-S43 : 2017 RT15
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M.P.E.C. 2017-S43 Issued 2017 Sept. 18, 15:25 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 RT15 Observations: K17R15T* C2017 09 15.31858 21 18 54.265-19 42 05.51 21.9 wLES043F51 K17R15T C2017 09 15.32961 21 18 56.138-19 41 35.41 22.3 wLES043F51 K17R15T C2017 09 15.35161 21 18 59.897-19 40 35.04 21.6 wLES043F51 K17R15T _C2017 09 16.30190721 21 54.070-18 57 36.31 21.8 GUES043568 K17R15T _C2017 09 16.31424221 21 56.120-18 57 03.39 21.9 GUES043568 K17R15T |C2017 09 17.04906 21 24 07.84 -18 24 03.8 21.9 VuES043807 K17R15T |C2017 09 17.05802 21 24 09.29 -18 23 41.4 21.6 VuES043807 K17R15T |C2017 09 17.06668 21 24 10.70 -18 23 18.8 21.6 VuES043807 K17R15T KC2017 09 18.16037 21 27 22.01 -17 36 35.0 21.7 RoES043291 K17R15T KC2017 09 18.16638 21 27 23.00 -17 36 19.3 oES043291 K17R15T KC2017 09 18.17237 21 27 23.94 -17 36 04.2 oES043291 Observer details: 291 LPL/Spacewatch II. Observer T. H. Bressi. 1.8-m f/2.7 reflector + CCD. 568 Mauna Kea. Observers R. J. Wainscoat, C. Crowder. Measurers M. Micheli, R. J. Wainscoat. 3.6-m Canada-France-Hawaii Telescope + CCD. 807 Cerro Tololo. Observers T. Linder, R. Holmes. 0.61-m f/6.5 astrograph + CCD. F51 Pan-STARRS 1, Haleakala. Observers J. Bulger, T. Lowe, A. Schultz, M. Willman. Measurers K. Chambers, S. Chastel, L. Denneau, H. Flewelling, M. Huber, E. Lilly, E. Magnier, R. Wainscoat, C. Waters, R. Weryk. 1.8-m Ritchey-Chretien + CCD. Orbital elements: 2017 RT15 Earth MOID = 0.1454 AU Epoch 2017 Sept. 4.0 TT = JDT 2458000.5 MPC M 9.05787 (2000.0) P Q n 0.30598076 Peri. 314.11564 +0.59777750 +0.80153386 a 2.1810886 Node 352.55444 -0.70029725 +0.51340490 e 0.4790765 Incl. 6.35179 -0.39018690 +0.30652713 P 3.22 H 23.1 G 0.15 U 8 Residuals in seconds of arc 170915 F51 0.1+ 0.1+ 170916 568 0.1- 0.3- 170918 291 0.2- 0.2- 170915 F51 0.1- 0.0 170917 807 0.5+ 0.7+ 170918 291 0.2+ 0.2+ 170915 F51 0.0 0.1- 170917 807 0.1+ 0.3- 170918 291 0.2- 0.1+ 170916 568 0.0 0.2- 170917 807 0.1- 0.4- Ephemeris: 2017 RT15 a,e,i = 2.18, 0.48, 6 q = 1.1362 Date TT R. A. (2000) Decl. Delta r Elong. Phase V 2017 08 19 19 11 40.1 -44 20 56 0.1839 1.1463 133.4 39.9 21.3 ... 2017 09 03 20 33 34.3 -30 23 17 0.2098 1.1797 141.2 32.4 21.4 ... 2017 09 11 21 04 47.4 -23 09 49 0.2383 1.2060 143.2 30.0 21.7 ... 2017 09 17 21 23 58.3 -18 26 23 0.2662 1.2292 143.4 29.2 22.0 2017 09 18 21 26 53.6 -17 43 03 0.2713 1.2333 143.4 29.1 22.0 2017 09 19 21 29 44.7 -17 00 51 0.2767 1.2375 143.3 29.0 22.0 ... 2017 09 25 21 45 37.0 -13 10 24 0.3116 1.2640 142.3 29.0 22.3 ... 2017 10 03 22 04 14.2 -08 57 57 0.3660 1.3028 140.1 29.5 22.8 ... 2017 10 18 22 34 23.1 -03 10 55 0.4903 1.3837 134.2 31.1 23.6 A. U. Tomatic (C) Copyright 2017 MPC M.P.E.C. 2017-S43


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