MPEC 2012-U55 : 2012 UX27
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M.P.E.C. 2012-U55 Issued 2012 Oct. 20, 17:02 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 2012 UX27 Observations: K12U27X* C2012 10 17.40813 03 58 02.67 -05 33 57.9 18.9 VrEU055703 K12U27X C2012 10 17.41315 03 58 02.28 -05 33 45.0 19.2 VrEU055703 K12U27X C2012 10 17.41823 03 58 01.99 -05 33 31.8 18.9 VrEU055703 K12U27X C2012 10 17.42335 03 58 01.66 -05 33 18.9 18.9 VrEU055703 K12U27X C2012 10 17.44923 03 57 59.93 -05 32 09.6 18.7 VrEU055703 K12U27X C2012 10 17.45484 03 57 59.69 -05 31 53.9 18.8 VrEU055703 K12U27X C2012 10 17.46058 03 57 59.24 -05 31 39.0 18.7 VrEU055703 K12U27X C2012 10 17.46625 03 57 58.91 -05 31 24.3 18.7 VrEU055703 K12U27X KC2012 10 18.02416 03 57 32.99 -05 07 23.5 18.8 RuEU055113 K12U27X KC2012 10 18.02866 03 57 32.73 -05 07 10.8 18.5 RuEU055113 K12U27X KC2012 10 18.03318 03 57 32.44 -05 07 00.3 18.5 RuEU055113 K12U27X |C2012 10 18.22357 03 57 23.73 -04 57 52.0 19.5 VuEU055807 K12U27X |C2012 10 18.22637 03 57 23.54 -04 57 45.3 19.3 VuEU055807 K12U27X |C2012 10 18.22882 03 57 23.38 -04 57 38.6 19.4 VuEU055807 K12U27X |C2012 10 18.23144 03 57 23.21 -04 57 32.4 19.4 VuEU055807 K12U27X |C2012 10 18.23405 03 57 23.03 -04 57 25.3 19.3 VuEU055807 K12U27X C2012 10 18.35796 03 57 16.56 -04 52 58.4 19.0 VrEU055G96 K12U27X C2012 10 18.35913 03 57 16.48 -04 52 55.2 18.9 VrEU055G96 K12U27X C2012 10 18.36044 03 57 16.38 -04 52 52.0 19.1 VrEU055G96 K12U27X C2012 10 18.36279 03 57 16.27 -04 52 46.0 18.8 VrEU055G96 K12U27X KC2012 10 18.98347 03 56 45.02 -04 26 49.8 18.9 RqEU055470 K12U27X KC2012 10 18.98421 03 56 44.97 -04 26 48.2 18.7 RqEU055470 K12U27X KC2012 10 18.98495 03 56 44.91 -04 26 46.3 18.8 RqEU055470 K12U27X KC2012 10 18.98569 03 56 44.88 -04 26 44.8 19.1 RqEU055470 K12U27X KC2012 10 19.01138 03 56 43.11 -04 25 45.0 19.4 RuEU055113 K12U27X KC2012 10 19.02264 03 56 42.40 -04 25 17.1 19.1 RuEU055113 K12U27X KC2012 10 19.22848 03 56 32.00 -04 15 49.2 18.9 RuEU055821 K12U27X KC2012 10 19.23001 03 56 31.89 -04 15 45.4 18.9 RuEU055821 K12U27X KC2012 10 19.23348 03 56 31.65 -04 15 36.8 19.1 RuEU055821 K12U27X |C2012 10 19.24332 03 56 31.29 -04 15 13.7 19.3 VuEU055807 K12U27X |C2012 10 19.24683 03 56 31.05 -04 15 04.9 19.2 VuEU055807 K12U27X |C2012 10 19.25033 03 56 30.79 -04 14 56.2 19.2 VuEU055807 K12U27X |C2012 10 19.25383 03 56 30.56 -04 14 47.7 19.2 VuEU055807 K12U27X C2012 10 19.52303 03 56 17.15 -04 03 38.6 18.3 RoEU055474 K12U27X C2012 10 19.52374 03 56 17.11 -04 03 36.9 18.2 RoEU055474 K12U27X C2012 10 19.52444 03 56 17.08 -04 03 35.4 18.3 RoEU055474 K12U27X C2012 10 19.52514 03 56 17.03 -04 03 33.1 18.6 RoEU055474 K12U27X C2012 10 19.52584 03 56 16.99 -04 03 31.5 18.3 RoEU055474 K12U27X C2012 10 20.08072 03 55 45.93 -03 42 21.0 19.0 RrEU055152 K12U27X C2012 10 20.08516 03 55 45.54 -03 42 09.9 18.7 RrEU055152 K12U27X C2012 10 20.08957 03 55 45.20 -03 41 57.4 19.7 RrEU055152 Observer details: 113 Volkssternwarte Drebach, Schoenbrunn. Observer A. Knoefel. 0.5-m f/4.6 reflector + CCD. 152 Moletai Astronomical Observatory. Observers K. Cernis, K. Zdanavicius. Measurer K. Cernis. 0.35-m f/3.5 reflector + CCD. 470 Ceccano. Observers G. Masi, F. Nocentini. Measurers G. Masi, U. Masi. 0.36-m f/8.7 reflector + CCD. 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. 703 Catalina Sky Survey. Observer R. E. Hill. Measurers A. Boattini, E. J. Christensen, A. R. Gibbs, A. D. Grauer, R. E. Hill, R. A. Kowalski, S. M. Larson, R. H. McNaught. 0.68-m Schmidt + CCD. 807 Cerro Tololo. Observers T. Linder, R. Holmes, R. Sampson. 0.41-m f/11 Ritchey-Chretien + CCD. 821 Cordoba-Bosque Alegre. Observers C. Colazo, P. Guzzo. Measurer C. Colazo. 1.54-m f/4.8 reflector + CCD. G96 Mt. Lemmon Survey. Observer A. Boattini. Measurers A. Boattini, E. J. Christensen, A. R. Gibbs, A. D. Grauer, R. E. Hill, R. A. Kowalski, S. M. Larson, R. H. McNaught. 1.5-m reflector + CCD. Orbital elements: 2012 UX27 Earth MOID = 0.0769 AU Epoch 2012 Sept. 30.0 TT = JDT 2456200.5 MPC M 4.47876 (2000.0) P Q n 0.22419410 Peri. 255.20565 +0.97099786 +0.22639996 a 2.6836133 Node 91.66469 -0.17891839 +0.90128690 e 0.6153613 Incl. 4.40950 -0.15859180 +0.36935752 P 4.40 H 21.1 G 0.15 U 7 Residuals in seconds of arc 121017 703 0.0 0.1+ 121018 807 0.5+ 0.1- 121019 821 0.0 0.1+ 121017 703 0.9- 0.2- 121018 807 0.4+ 0.3+ 121019 807 0.3+ 0.1- 121017 703 0.2- 0.4- 121018 G96 0.2+ 0.0 121019 807 0.3+ 0.1+ 121017 703 0.1- 1.0- 121018 G96 0.1+ 0.2+ 121019 807 0.1- 0.2+ 121017 703 0.8- 0.0 121018 G96 0.0 0.1+ 121019 807 0.1+ 0.1+ 121017 703 1.1+ 0.9+ 121018 G96 0.7+ 0.1+ 121019 474 0.5- 0.0 121017 703 0.1- 0.7+ 121018 470 0.3+ 0.2+ 121019 474 0.5- 0.1- 121017 703 0.4+ 0.4+ 121018 470 0.2+ 0.0 121019 474 0.2- 0.3- 121018 113 0.3+ 0.2- 121018 470 0.1+ 0.0 121019 474 0.3- 0.3+ 121018 113 0.6+ 1.0+ 121018 470 0.3+ 0.3- 121019 474 0.2- 0.2+ 121018 113 0.5+ 0.2- 121019 113 0.1+ 0.5+ 121020 152 1.8+ 0.9- 121018 807 0.5+ 0.3+ 121019 113 0.2+ 0.4+ 121020 152 0.2+ 0.4- 121018 807 0.4+ 0.1- 121019 821 0.1+ 0.0 121020 152 0.7- 1.5+ 121018 807 0.4+ 0.3+ 121019 821 0.0 0.0 Ephemeris: 2012 UX27 a,e,i = 2.68, 0.62, 4 q = 1.0322 Date TT R. A. (2000) Decl. Delta r Elong. Phase V 2012 09 20 03 51 21.9 -44 39 25 0.09035 1.0407 111.4 63.9 18.2 ... 2012 10 05 04 04 15.3 -17 21 36 0.1333 1.0835 125.9 48.4 18.7 ... 2012 10 13 04 01 12.8 -09 04 17 0.1636 1.1193 134.9 39.1 19.0 ... 2012 10 19 03 56 43.2 -04 25 38 0.1892 1.1511 142.1 32.1 19.2 2012 10 20 03 55 50.9 -03 44 57 0.1937 1.1568 143.3 31.0 19.2 2012 10 21 03 54 56.9 -03 05 41 0.1983 1.1625 144.5 29.8 19.2 ... 2012 10 27 03 49 09.1 +00 23 46 0.2276 1.1990 151.6 23.2 19.4 ... 2012 11 04 03 41 02.2 +04 07 08 0.2724 1.2520 160.7 15.2 19.6 ... 2012 11 19 03 28 04.1 +09 09 35 0.3779 1.3615 169.4 7.7 20.2 A. U. Tomatic (C) Copyright 2012 MPC M.P.E.C. 2012-U55


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