MPEC 2015-O23 : 2015 OM
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M.P.E.C. 2015-O23 Issued 2015 July 20, 14:09 UT The Minor Planet Electronic Circulars contain information on unusual minor planets and routine data on comets. They are published on behalf of Commission 20 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 2015 OM Observations: K15O00M* C2015 07 18.22654 20 35 37.43 -46 06 25.9 18.5 RqEO023Y00 K15O00M C2015 07 18.23745 20 35 33.93 -46 07 53.9 18.5 RqEO023Y00 K15O00M C2015 07 18.24662 20 35 31.08 -46 09 06.3 18.3 RqEO023Y00 K15O00M KC2015 07 18.56037 20 33 57.55 -46 52 05.1 18.0 VqEO023E23 K15O00M KC2015 07 18.56315 20 33 56.60 -46 52 28.3 18.2 VqEO023E23 K15O00M KC2015 07 18.56593 20 33 55.63 -46 52 51.9 18.0 VqEO023E23 K15O00M |C2015 07 19.18618 20 30 21.35 -48 23 29.2 18.3 VuEO023807 K15O00M |C2015 07 19.18975 20 30 19.93 -48 24 01.9 18.3 VuEO023807 K15O00M |C2015 07 19.19332 20 30 18.51 -48 24 34.8 18.4 VuEO023807 K15O00M C2015 07 19.21770 20 30 08.62 -48 28 23.0 18.4 RuEO023G32 K15O00M C2015 07 19.21877 20 30 08.18 -48 28 31.9 18.3 RuEO023G32 K15O00M C2015 07 19.21986 20 30 07.75 -48 28 42.5 18.4 RuEO023G32 K15O00M C2015 07 19.22793 20 30 02.75 -48 29 55.8 18.6 RqEO023Y00 K15O00M C2015 07 19.22887 20 30 02.29 -48 30 04.7 18.8 RqEO023Y00 K15O00M C2015 07 19.22977 20 30 01.90 -48 30 13.0 18.6 RqEO023Y00 K15O00M KC2015 07 19.31750120 29 28.35 -48 43 33.9 18.5 RqEO023W85 K15O00M KC2015 07 19.31982720 29 27.40 -48 43 54.9 18.2 RqEO023W85 K15O00M KC2015 07 19.32214620 29 26.46 -48 44 16.5 17.3 RqEO023W85 K15O00M KC2015 07 19.32448020 29 25.51 -48 44 37.9 18.3 RqEO023W85 K15O00M KC2015 07 19.32681720 29 24.56 -48 44 59.3 18.2 RqEO023W85 K15O00M KC2015 07 19.42138 20 28 45.87 -48 59 31.9 19.0 VqEO023W98 K15O00M KC2015 07 19.42231 20 28 45.50 -48 59 40.5 19.2 VqEO023W98 K15O00M KC2015 07 19.42648 20 28 43.76 -49 00 17.3 19.0 VqEO023W98 K15O00M C2015 07 19.43519 20 28 47.07 -49 01 41.2 18.1 RtEO023474 K15O00M C2015 07 19.43615 20 28 46.64 -49 01 50.1 18.2 RtEO023474 K15O00M C2015 07 19.43815 20 28 45.84 -49 02 09.4 18.0 RtEO023474 K15O00M C2015 07 19.43913 20 28 45.42 -49 02 18.9 18.2 RtEO023474 K15O00M C2015 07 19.44013 20 28 45.01 -49 02 28.2 18.1 RtEO023474 K15O00M C2015 07 19.52674 20 28 08.54 -49 16 16.0 18.2 RtEO023474 K15O00M C2015 07 19.52773 20 28 08.11 -49 16 25.5 18.2 RtEO023474 K15O00M C2015 07 19.52874 20 28 07.70 -49 16 35.1 18.2 RtEO023474 K15O00M C2015 07 19.52975 20 28 07.26 -49 16 44.8 18.0 RtEO023474 K15O00M `C2015 07 19.56211 20 27 55.37 -49 21 59.6 17.9 RqEO023D90 K15O00M `C2015 07 19.56663 20 27 53.41 -49 22 43.3 17.7 RqEO023D90 K15O00M `C2015 07 19.57117 20 27 51.45 -49 23 26.9 17.7 RqEO023D90 K15O00M C2015 07 19.59722 20 27 38.09 -49 27 31.0 18.1 RtEO023474 K15O00M C2015 07 19.59821 20 27 37.65 -49 27 40.5 17.9 RtEO023474 K15O00M C2015 07 19.59920 20 27 37.22 -49 27 50.0 18.0 RtEO023474 K15O00M C2015 07 19.60020 20 27 36.79 -49 27 59.6 18.0 RtEO023474 K15O00M C2015 07 19.60119 20 27 36.36 -49 28 09.0 18.1 RtEO023474 K15O00M C2015 07 20.31721 20 22 06.29 -51 28 46.8 18.4 RqEO023Y00 K15O00M C2015 07 20.31817 20 22 05.70 -51 28 57.0 18.6 RqEO023Y00 K15O00M C2015 07 20.31910 20 22 05.23 -51 29 05.8 18.6 RqEO023Y00 K15O00M C2015 07 20.35972 20 21 52.95 -51 36 00.9 17.8 RtEO023474 K15O00M C2015 07 20.36072 20 21 52.42 -51 36 11.6 17.6 RtEO023474 K15O00M C2015 07 20.36170 20 21 51.90 -51 36 22.2 17.6 RtEO023474 K15O00M C2015 07 20.36270 20 21 51.41 -51 36 33.1 17.5 RtEO023474 K15O00M C2015 07 20.36469 20 21 50.37 -51 36 54.4 17.8 RtEO023474 K15O00M KC2015 07 20.50459 20 20 36.83 -52 02 21.1 qEO023E23 K15O00M KC2015 07 20.51293 20 20 32.06 -52 03 52.4 17.6 VqEO023E23 K15O00M KC2015 07 20.52126 20 20 27.44 -52 05 23.8 18.2 VqEO023E23 K15O00M C2015 07 20.55937 20 20 04.40 -52 12 14.6 18.2 RtEO023474 K15O00M C2015 07 20.56135 20 20 03.28 -52 12 36.4 18.3 RtEO023474 K15O00M C2015 07 20.56235 20 20 02.72 -52 12 47.0 17.7 RtEO023474 K15O00M C2015 07 20.56334 20 20 02.17 -52 12 57.8 17.8 RtEO023474 K15O00M C2015 07 20.56433 20 20 01.59 -52 13 08.7 17.8 RtEO023474 Observer details: 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. 807 Cerro Tololo. Observers T. Linder, R. Holmes. 0.41-m f/11 Ritchey-Chretien + CCD. D90 RAS Observatory, Moorook. Observer K. Hills. 0.41-m f/9 Ritchey-Chretien + CCD. E23 Arcadia. Observer A. Hidas. 0.35-m f/7.0 Schmidt-Cassegrain + CCD. G32 Elena Remote Observatory, San Pedro de Atacama. Observer A. Oreshko. 0.4-m f/8.0 Ritchey-Chretien + CCD. W85 Cerro Tololo-LCOGT A. Observer T. Lister. 1.0-m f/8 Ritchey-Chretien + CCD. W98 Polonia Observatory, San Pedro de Atacama. Observers M. Gedek, M. Zolnowski, M. Kusiak, R. Reszelewski. Measurers R. Reszelewski, M. Kusiak. 0.25-m f/3.6 astrograph + CCD. Y00 SONEAR Observatory, Oliveira. Observers C. Jacques, E. Pimentel, J. Barros. Measurer C. Jacques. 0.45-m f/2.9 reflector + CCD. Orbital elements: 2015 OM Earth MOID = 0.0850 AU Epoch 2015 June 27.0 TT = JDT 2457200.5 MPC M 334.27922 (2000.0) P Q n 0.33818755 Peri. 351.99647 +0.45024843 -0.88721316 a 2.0403169 Node 71.19596 +0.82499855 +0.37024132 e 0.8446051 Incl. 6.10313 +0.34154611 +0.27527111 P 2.91 H 20.7 G 0.15 U 8 Residuals in seconds of arc 150718 Y00 0.5- 0.6+ 150719 W85 0.1- 0.2- 150719 474 0.0 0.1- 150718 Y00 0.7- 0.4- 150719 W98 0.4+ 0.6- 150719 474 0.0 0.0 150718 Y00 0.1+ 0.4+ 150719 W98 0.5+ 0.6- 150720 Y00 0.2+ 0.2+ 150718 E23 0.1+ 0.4- 150719 W98 0.1- 1.0+ 150720 Y00 0.7- 0.0 150718 E23 0.1+ 0.1- 150719 474 0.3+ 0.1- 150720 Y00 0.6- 0.9+ 150718 E23 0.1- 0.1- 150719 474 0.0 0.1+ 150720 474 0.1+ 0.0 150719 807 0.0 0.0 150719 474 0.2+ 0.1- 150720 474 0.0 0.1+ 150719 807 0.0 0.0 150719 474 0.1+ 0.3- 150720 474 0.1- 0.1+ 150719 807 0.0 0.2- 150719 474 0.1+ 0.0 150720 474 0.1+ 0.0 150719 G32 0.4+ 0.8+ 150719 474 0.1+ 0.1- 150720 474 0.0 0.3+ 150719 G32 0.3+ 1.7+ 150719 474 0.0 0.1- 150720 E23 1.2+ 0.6- 150719 G32 0.4+ 1.1+ 150719 474 0.2+ 0.1- 150720 E23 0.0 0.2- 150719 Y00 0.3+ 0.0 150719 474 0.2+ 0.1- 150720 E23 0.2+ 0.1- 150719 Y00 0.5- 0.4- 150719 D90 0.0 0.4- 150720 474 0.3- 0.0 150719 Y00 0.8- 0.5- 150719 D90 0.0 0.4- 150720 474 0.3- 0.2- 150719 W85 0.1- 0.3- 150719 D90 0.1+ 0.1- 150720 474 0.3- 0.2+ 150719 W85 0.1- 0.1+ 150719 474 0.0 0.1- 150720 474 0.2- 0.2+ 150719 W85 0.1- 0.3- 150719 474 0.1- 0.1- 150720 474 0.4- 0.1+ 150719 W85 0.1- 0.2- 150719 474 0.0 0.1- Ephemeris: 2015 OM a,e,i = 2.04, 0.84, 6 q = 0.3171 Date TT R. A. (2000) Decl. Delta r Elong. Phase V 2015 06 20 20 58 31.9 -25 21 11 0.6817 1.5881 137.7 25.5 22.0 ... 2015 07 05 20 59 14.0 -30 40 24 0.4102 1.3901 151.1 20.7 20.5 ... 2015 07 13 20 51 29.0 -37 26 38 0.2788 1.2765 156.1 18.8 19.4 ... 2015 07 19 20 31 28.3 -47 55 11 0.1900 1.1872 151.9 23.8 18.6 2015 07 20 20 24 43.7 -50 33 42 0.1765 1.1720 149.7 26.0 18.5 2015 07 21 20 15 51.7 -53 34 41 0.1636 1.1566 146.9 28.7 18.3 ... 2015 07 27 15 31 25.5 -75 07 33 0.1072 1.0622 113.1 61.6 18.2 ... 2015 08 04 10 13 09.0 -27 55 37 0.1394 0.9296 49.2 124.3 21.4 ... 2015 08 19 09 37 29.8 +02 49 14 0.3624 0.6596 10.7 163.4 29.9 A. U. Tomatic (C) Copyright 2015 MPC M.P.E.C. 2015-O23


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