MPEC 2012-S17 : 2012 RR16
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M.P.E.C. 2012-S17 Issued 2012 Sept. 17, 18:08 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 RR16 Observations: K12R16R* C2012 09 14.46005 03 38 37.71 +11 56 09.0 18.3 VrES017703 K12R16R C2012 09 14.46630 03 38 33.82 +11 55 20.1 18.6 VrES017703 K12R16R C2012 09 14.47259 03 38 29.94 +11 54 30.1 18.2 VrES017703 K12R16R C2012 09 14.50133 03 38 12.22 +11 50 42.1 18.4 VrES017703 K12R16R C2012 09 14.50201 03 38 11.83 +11 50 37.7 18.6 VrES017703 K12R16R C2012 09 14.50270 03 38 11.40 +11 50 32.1 18.5 VrES017703 K12R16R C2012 09 14.50338 03 38 10.93 +11 50 26.5 18.6 VrES017703 K12R16R EC2012 09 15.03933 03 33 59.44 +10 41 55.1 uES017J95 K12R16R EC2012 09 15.04102 03 33 58.52 +10 41 44.3 uES017J95 K12R16R KC2012 09 15.04392 03 33 57.02 +10 41 23.2 uES017J95 K12R16R KC2012 09 15.04593 03 33 55.99 +10 41 09.5 18.5 RuES017J95 K12R16R KC2012 09 15.12377 03 33 13.30 +10 32 21.8 18.5 RtES017204 K12R16R KC2012 09 15.12898 03 33 10.50 +10 31 45.2 tES017204 K12R16R KC2012 09 15.13438 03 33 07.61 +10 31 07.2 tES017204 K12R16R KC2012 09 15.37563303 31 21.63 +10 03 44.4 19.2 VuES017H21 K12R16R KC2012 09 15.37886603 31 19.94 +10 03 22.4 19.6 VuES017H21 K12R16R KC2012 09 15.38247803 31 18.06 +10 02 58.4 19.1 VuES017H21 K12R16R KC2012 09 15.96194 03 27 24.08 +09 00 14.7 18.8 RvES017470 K12R16R KC2012 09 15.96257 03 27 23.78 +09 00 11.5 19.1 RvES017470 K12R16R KC2012 09 15.96298 03 27 23.59 +09 00 09.4 18.8 RvES017470 K12R16R KC2012 09 16.13489 03 26 07.34 +08 42 47.7 18.9 VuES017I93 K12R16R KC2012 09 16.14543 03 26 02.50 +08 41 45.1 19.3 VuES017I93 K12R16R KC2012 09 16.15678 03 25 57.27 +08 40 37.1 19.2 VuES017I93 K12R16R KC2012 09 16.30206103 25 08.88 +08 26 32.3 19.1 VvES017H21 K12R16R KC2012 09 16.30530103 25 07.45 +08 26 13.9 19.0 VvES017H21 K12R16R KC2012 09 16.30851103 25 06.01 +08 25 55.4 18.9 VvES017H21 K12R16R KC2012 09 16.31144603 25 04.71 +08 25 38.4 18.8 VvES017H21 K12R16R C2012 09 16.45017 03 24 07.39 +08 12 51.2 19.1 RcES017651 K12R16R C2012 09 16.45143 03 24 06.81 +08 12 44.4 19.1 RcES017651 K12R16R C2012 09 16.45205 03 24 06.56 +08 12 40.9 19.0 RcES017651 K12R16R HC2012 09 17.41202 03 18 39.41 +06 47 50.5 19.1 RoES017291 K12R16R HC2012 09 17.41240 03 18 39.26 +06 47 48.6 19.1 RoES017291 K12R16R HC2012 09 17.41277 03 18 39.11 +06 47 46.8 19.1 RoES017291 K12R16R C2012 09 17.64631 03 17 23.77 +06 33 10.7 19.7 RoES017474 K12R16R C2012 09 17.64841 03 17 22.93 +06 33 00.3 19.6 RoES017474 K12R16R C2012 09 17.64983 03 17 22.44 +06 32 53.9 19.5 RoES017474 K12R16R C2012 09 17.65194 03 17 21.68 +06 32 44.0 19.6 RoES017474 Observer details: 204 Schiaparelli Observatory. Observer L. Buzzi. 0.60-m f/4.64 reflector + CCD. 291 LPL/Spacewatch II. Observer J. V. Scotti. 1.8-m f/2.7 reflector + CCD. 470 Ceccano. Observers G. Masi, F. Nocentini. Measurers G. Masi, U. Masi. 0.43-m f/6.8 reflector + CCD. 474 Mount John Observatory, Lake Tekapo. Observer A. C. Gilmore. 1.0-m f/7.7 reflector + CCD. 651 Grasslands Observatory, Tucson. Observer J. E. McGaha. 0.62-m f/5.1 Newtonian reflector + CCD. 703 Catalina Sky 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. 0.68-m Schmidt + CCD. H21 Astronomical Research Observatory, Westfield. Observer R. Holmes. Measurers L. Buzzi, T. Vorobjov, S. Foglia, T. Linder. 0.61-m f/4.0 astrograph + CCD, 0.81-m f/4.0 astrograph + CCD. I93 St Pardon de Conques. Observer F. Losse. 0.40-m f/5.0 reflector + CCD. J95 Great Shefford. Observer P. Birtwhistle. 0.40-m f/6.0 Schmidt-Cassegrain + CCD. Orbital elements: 2012 RR16 Earth MOID = 0.0024 AU Epoch 2012 Sept. 30.0 TT = JDT 2456200.5 MPC M 29.70526 (2000.0) P Q n 0.60885220 Peri. 145.72130 +0.71687961 +0.69710129 a 1.3786736 Node 170.05825 -0.65371935 +0.67784117 e 0.2950822 Incl. 3.83609 -0.24235231 +0.23362605 P 1.62 H 24.2 G 0.15 U 7 Residuals in seconds of arc 120914 703 0.1- 0.2- 120915 204 1.8- 1.9- 120916 H21 0.2- 0.1- 120914 703 0.4- 0.3+ 120915 H21 0.1+ 0.1+ 120916 651 0.7- 0.0 120914 703 0.2- 0.0 120915 H21 0.1+ 0.1- 120916 651 0.8- 0.4+ 120914 703 0.1- 0.6- 120915 H21 0.2+ 0.2+ 120916 651 0.4- 0.4+ 120914 703 0.3+ 0.3+ 120915 470 0.3+ 0.8- 120917 291 0.1- 0.3+ 120914 703 0.2+ 0.2+ 120915 470 0.1- 0.2- 120917 291 0.1- 0.3+ 120914 703 0.6- 0.0 120915 470 0.2- 0.1+ 120917 291 0.1- 0.3+ 120915 J95 0.8+ 0.3- 120916 I93 0.2+ 0.2+ 120917 474 0.4+ 0.5- 120915 J95 0.1+ 0.8+ 120916 I93 0.4+ 0.5+ 120917 474 0.4- 0.9- 120915 J95 0.1+ 0.0 120916 I93 0.2+ 0.3+ 120917 474 0.2+ 0.5- 120915 J95 0.2+ 0.5+ 120916 H21 0.0 0.0 120917 474 0.7+ 0.4- 120915 204 1.9- 2.1- 120916 H21 0.1+ 0.1+ 120915 204 1.9- 2.0- 120916 H21 0.2- 0.1+ Ephemeris: 2012 RR16 a,e,i = 1.38, 0.30, 4 q = 0.9719 Date TT R. A. (2000) Decl. Delta r Elong. Phase V 2012 08 18 13 34 02.0 +18 22 21 0.06794 0.9738 53.9 122.9 23.4 ... 2012 09 02 11 37 40.5 +39 43 55 0.02120 0.9914 33.9 145.4 23.4 ... 2012 09 10 04 45 09.0 +27 08 07 0.02005 1.0086 94.1 84.7 18.7 ... 2012 09 16 03 26 58.9 +08 58 49 0.03621 1.0246 121.2 57.1 19.1 2012 09 17 03 20 52.1 +07 24 21 0.03926 1.0275 123.9 54.3 19.2 2012 09 18 03 15 35.2 +06 03 09 0.04235 1.0305 126.3 51.8 19.3 ... 2012 09 24 02 53 59.6 +00 48 58 0.06167 1.0495 137.6 40.1 19.8 ... 2012 10 02 02 36 50.8 -02 28 47 0.08906 1.0778 148.5 29.0 20.4 ... 2012 10 17 02 15 16.1 -04 31 31 0.1474 1.1377 161.9 15.8 21.2 A. U. Tomatic (C) Copyright 2012 MPC M.P.E.C. 2012-S17


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