M.P.E.C. 2012-M17 Issued 2012 June 18, 18:42 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 http://www.minorplanetcenter.net/ ISSN 1523-6714 2012 MP Observations: K12M00P* C2012 06 16.39976 20 29 16.65 -13 00 26.4 19.5 VrEM017G96 K12M00P C2012 06 16.40498 20 29 16.47 -13 00 07.8 19.8 VrEM017G96 K12M00P C2012 06 16.41023 20 29 16.26 -12 59 49.4 19.5 VrEM017G96 K12M00P C2012 06 16.41550 20 29 16.11 -12 59 30.5 19.7 VrEM017G96 K12M00P mC2012 06 16.44837 20 29 14.97 -12 57 33.0 oEM017291 K12M00P mC2012 06 16.44969 20 29 14.92 -12 57 28.4 oEM017291 K12M00P mC2012 06 16.45099 20 29 14.87 -12 57 23.7 oEM017291 K12M00P C2012 06 16.45203 20 29 14.82 -12 57 20.5 19.6 VrEM017G96 K12M00P C2012 06 16.45454 20 29 14.71 -12 57 11.2 19.7 VrEM017G96 K12M00P C2012 06 16.45708 20 29 14.64 -12 57 02.7 19.5 VrEM017G96 K12M00P C2012 06 16.45961 20 29 14.56 -12 56 53.1 19.5 VrEM017G96 K12M00P C2012 06 17.40679 20 28 51.99 -12 00 24.1 19.9 VrEM017G96 K12M00P C2012 06 17.41145 20 28 51.81 -12 00 07.3 20.1 VrEM017G96 K12M00P C2012 06 17.41609 20 28 51.63 -11 59 50.5 19.9 VrEM017G96 K12M00P C2012 06 17.42079 20 28 51.42 -11 59 33.8 19.8 VrEM017G96 K12M00P KC2012 06 18.27588620 28 27.94 -11 08 00.9 18.9 VrEM017H21 K12M00P KC2012 06 18.28194020 28 27.64 -11 07 39.5 18.9 VrEM017H21 K12M00P KC2012 06 18.28807920 28 27.42 -11 07 16.9 19.4 VrEM017H21 K12M00P C2012 06 18.37067 20 28 24.70 -11 02 13.2 19.4 VrEM017G96 K12M00P C2012 06 18.37594 20 28 24.49 -11 01 54.2 19.6 VrEM017G96 K12M00P C2012 06 18.38118 20 28 24.16 -11 01 35.5 19.1 VrEM017G96 K12M00P C2012 06 18.38639 20 28 24.02 -11 01 16.1 19.4 VrEM017G96 K12M00P 2C2012 06 18.59071 20 28 18.46 -10 48 13.4 18.9 RoEM017E10 K12M00P 2C2012 06 18.59567 20 28 18.25 -10 47 56.0 19.1 RoEM017E10 Observer details: 291 LPL/Spacewatch II. Observer R. S. McMillan. 1.8-m f/2.7 reflector + CCD. E10 Siding Spring-Faulkes Telescope South. Observers K. Rochowicz, E. Guido, N. Howes, G. Sostero. 2.0-m f/10.0 Ritchey-Chretien + CCD. G96 Mt. Lemmon Survey. Observer A. D. Grauer. 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. H21 Astronomical Research Observatory, Westfield. Observer R. Holmes. Measurers L. Buzzi, H. Devore, S. Foglia, T. Vorobjov. 0.61-m f/4.0 astrograph + CCD. Orbital elements: 2012 MP Earth MOID = 0.2011 AU Epoch 2012 Mar. 14.0 TT = JDT 2456000.5 MPC M 285.26308 (2000.0) P Q n 0.64523667 Peri. 21.30551 +0.32770800 +0.91134458 a 1.3263456 Node 268.52060 -0.89884432 +0.21952469 e 0.0859434 Incl. 14.43009 -0.29100920 +0.34822402 P 1.53 H 20.7 G 0.15 U 8 Residuals in seconds of arc 120616 G96 0.1+ 0.2- 120616 G96 0.3- 0.2+ 120618 H21 0.1- 0.4- 120616 G96 0.2+ 0.1- 120616 G96 0.0 0.3- 120618 H21 0.4+ 0.0 120616 G96 0.2- 0.4- 120616 G96 0.1+ 0.2+ 120618 G96 0.0 0.3+ 120616 G96 0.3+ 0.2- 120617 G96 0.1+ 0.1- 120618 G96 0.3+ 0.2+ 120616 291 0.0 0.2+ 120617 G96 0.1+ 0.0 120618 G96 1.2- 0.2- 120616 291 0.1- 0.1+ 120617 G96 0.1+ 0.1+ 120618 G96 0.1+ 0.3+ 120616 291 0.1- 0.2+ 120617 G96 0.2- 0.1- 120618 E10 0.1- 0.1+ 120616 G96 0.1+ 0.1- 120618 H21 0.7+ 0.2+ 120618 E10 0.1- 0.5- Ephemeris: 2012 MP a,e,i = 1.33, 0.09, 14 q = 1.2124 Date TT R. A. (2000) Decl. Delta r Elong. Phase V 2012 05 19 20 10 28.2 -34 26 49 0.3618 1.2329 120.0 45.3 20.7 ... 2012 06 03 20 27 29.6 -24 48 48 0.2951 1.2226 129.3 40.0 20.1 ... 2012 06 11 20 30 09.8 -18 07 06 0.2668 1.2185 134.9 36.2 19.7 ... 2012 06 17 20 29 02.3 -12 24 23 0.2501 1.2161 139.1 33.2 19.5 2012 06 18 20 28 35.2 -11 24 19 0.2477 1.2157 139.8 32.7 19.5 2012 06 19 20 28 03.8 -10 23 33 0.2454 1.2154 140.4 32.2 19.4 ... 2012 06 25 20 23 25.9 -04 07 58 0.2348 1.2138 143.7 29.7 19.3 ... 2012 07 03 20 13 47.2 +04 16 50 0.2285 1.2125 145.8 28.1 19.2 ... 2012 07 18 19 49 21.5 +17 31 38 0.2399 1.2132 141.5 31.5 19.4 A. U. Tomatic (C) Copyright 2012 MPC M.P.E.C. 2012-M17