MPEC 2012-S08 : 2012 RK15
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M.P.E.C. 2012-S08 Issued 2012 Sept. 16, 16:24 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 RK15 Observations: K12R15K* C2012 09 14.23814 22 18 38.73 -14 30 35.6 19.8 VrES008703 K12R15K C2012 09 14.24693 22 18 36.10 -14 30 56.5 19.4 VrES008703 K12R15K C2012 09 14.25577 22 18 33.48 -14 31 19.0 19.1 VrES008703 K12R15K C2012 09 14.26451 22 18 30.85 -14 31 40.4 19.0 VrES008703 K12R15K C2012 09 14.31044 22 18 17.10 -14 33 34.3 19.0 VrES008703 K12R15K C2012 09 14.31133 22 18 16.88 -14 33 35.8 19.6 VrES008703 K12R15K C2012 09 14.31223 22 18 16.56 -14 33 39.0 19.2 VrES008703 K12R15K C2012 09 14.31312 22 18 16.30 -14 33 40.7 19.0 VrES008703 K12R15K KC2012 09 14.87985 22 15 39.85 -14 58 38.4 18.7 RtES008204 K12R15K KC2012 09 14.89096 22 15 36.85 -14 59 14.3 uES008J95 K12R15K FC2012 09 14.89365 22 15 35.34 -14 59 18.0 tES008204 K12R15K KC2012 09 14.89589 22 15 35.28 -14 59 28.2 uES008J95 K12R15K KC2012 09 14.90068 22 15 33.77 -14 59 41.5 18.9 RuES008J95 K12R15K KC2012 09 14.99359 22 15 04.37 -15 03 37.0 18.9 RtES008J04 K12R15K KC2012 09 14.99554 22 15 03.71 -15 03 42.4 19.1 RtES008J04 K12R15K KC2012 09 14.99749 22 15 03.03 -15 03 48.0 19.0 RtES008J04 K12R15K KC2012 09 15.93052 22 09 50.86 -15 51 40.5 vES008470 K12R15K KC2012 09 15.93148 22 09 50.43 -15 51 43.3 19.1 RvES008470 K12R15K KC2012 09 15.93225 22 09 50.17 -15 51 45.5 vES008470 K12R15K KC2012 09 15.93300 22 09 49.88 -15 51 48.0 vES008470 K12R15K KC2012 09 15.93302 22 09 51.20 -15 51 51.5 18.5 VvES008I93 K12R15K KC2012 09 15.94130 22 09 47.87 -15 52 19.3 18.8 VvES008I93 K12R15K KC2012 09 15.94943 22 09 44.57 -15 52 46.7 19.0 VvES008I93 K12R15K |C2012 09 15.97969 22 09 39.35 -15 52 12.6 19.1 VuES008807 K12R15K |C2012 09 15.98106 22 09 38.82 -15 52 17.4 19.0 VuES008807 K12R15K |C2012 09 15.98254 22 09 38.23 -15 52 22.7 19.0 VuES008807 K12R15K KC2012 09 16.09924922 08 51.87 -16 01 07.4 19.4 VvES008H21 K12R15K C2012 09 16.10297 22 08 52.47 -16 01 05.6 19.5 RoES008G48 K12R15K KC2012 09 16.10320522 08 50.25 -16 01 21.8 19.8 VvES008H21 K12R15K C2012 09 16.10478 22 08 51.73 -16 01 12.0 19.8 RoES008G48 K12R15K C2012 09 16.10652 22 08 50.98 -16 01 18.4 19.7 RoES008G48 K12R15K KC2012 09 16.15447322 08 28.72 -16 04 22.1 19.2 VvES008H21 K12R15K C2012 09 16.37554 22 06 55.35 -16 17 11.0 18.5 RcES008651 K12R15K C2012 09 16.37628 22 06 55.01 -16 17 14.5 18.1 RcES008651 K12R15K C2012 09 16.37702 22 06 54.78 -16 17 16.1 18.1 RcES008651 K12R15K C2012 09 16.53240 22 05 53.36 -16 24 36.3 18.6 RoES008474 K12R15K C2012 09 16.53591 22 05 51.71 -16 24 48.9 19.2 RoES008474 K12R15K C2012 09 16.53733 22 05 51.03 -16 24 54.6 18.5 RoES008474 K12R15K C2012 09 16.53803 22 05 50.82 -16 24 56.4 18.4 RoES008474 K12R15K C2012 09 16.53943 22 05 50.04 -16 25 02.6 18.4 RoES008474 Observer details: 204 Schiaparelli Observatory. Observer L. Buzzi. 0.38-m f/6.8 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. 807 Cerro Tololo. Observers T. Linder, R. Holmes, R. Sampson. 0.41-m f/11 Ritchey-Chretien + CCD. G48 Doc Greiner Research Obs., Rancho Hildalgo. Observer M. Mills. 0.40-m f/10 Schmidt-Cassegrain + CCD. H21 Astronomical Research Observatory, Westfield. Observer R. Holmes. Measurers T. Vorobjov, L. Buzzi, S. Foglia. 0.61-m f/4.0 astrograph + CCD. I93 St Pardon de Conques. Observer F. Losse. 0.40-m f/5.0 reflector + CCD. J04 ESA Optical Ground Station, Tenerife. Observer P. Ruiz. Measurers D. Koschny, M. Busch, A. Knoefel, E. Schwab. 1.0-m f/4.4 reflector + CCD. J95 Great Shefford. Observer P. Birtwhistle. 0.40-m f/6.0 Schmidt-Cassegrain + CCD. Orbital elements: 2012 RK15 Earth MOID = 0.0046 AU Epoch 2012 Sept. 30.0 TT = JDT 2456200.5 MPC M 350.33435 (2000.0) P Q n 0.27580093 Peri. 26.53291 +0.45011441 -0.89295929 a 2.3374315 Node 36.71656 +0.81792568 +0.41023561 e 0.6653223 Incl. 0.43632 +0.35832193 +0.18528481 P 3.57 H 23.4 G 0.15 U 7 Residuals in seconds of arc 120914 703 0.4- 0.2+ 120914 J04 0.1+ 0.4+ 120916 H21 0.3+ 0.1- 120914 703 0.6- 1.1+ 120914 J04 0.0 0.2+ 120916 G48 0.6- 0.1- 120914 703 0.2- 0.4+ 120915 470 0.1+ 0.5- 120916 G48 1.2- 0.2- 120914 703 0.5- 0.6+ 120915 470 0.5- 0.2- 120916 H21 0.3- 0.0 120914 703 0.0 0.3- 120915 470 0.2+ 0.2+ 120916 651 0.1- 0.4+ 120914 703 0.6+ 0.3+ 120915 470 0.4+ 0.2+ 120916 651 0.4- 0.5- 120914 703 0.1- 0.6- 120915 I93 0.1+ 0.2+ 120916 651 0.9+ 0.5+ 120914 703 0.0 0.2- 120915 I93 0.1+ 0.1+ 120916 474 0.6+ 0.1- 120914 204 0.2- 1.2+ 120915 I93 0.2- 0.1- 120916 474 0.2- 0.2+ 120914 J95 0.4- 0.2- 120915 807 0.1+ 0.1+ 120916 474 0.8- 0.2- 120914 204 0.1- 0.1- 120915 807 0.3+ 0.1+ 120916 474 0.8+ 0.5+ 120914 J95 0.1- 0.4- 120915 807 0.2+ 0.0 120916 474 1.3- 0.5- 120914 J95 0.5+ 0.3- 120916 H21 0.0 0.4+ 120914 J04 0.0 0.3+ 120916 G48 0.6- 0.1- Ephemeris: 2012 RK15 a,e,i = 2.34, 0.67, 0 q = 0.7823 Date TT R. A. (2000) Decl. Delta r Elong. Phase V 2012 08 17 22 51 59.3 -08 49 36 0.3732 1.3741 163.3 12.2 22.7 ... 2012 09 01 22 45 15.3 -10 10 13 0.2149 1.2240 177.9 1.7 20.7 ... 2012 09 09 22 34 19.5 -11 59 46 0.1399 1.1447 168.8 9.8 20.1 ... 2012 09 15 22 15 02.8 -15 02 44 0.08700 1.0866 157.5 20.7 19.3 2012 09 16 22 09 26.6 -15 53 57 0.07848 1.0770 155.0 23.2 19.1 2012 09 17 22 02 29.3 -16 56 12 0.07008 1.0675 152.1 26.2 19.0 ... 2012 09 23 19 30 08.6 -32 33 00 0.02568 1.0119 108.7 70.0 17.9 ... 2012 10 01 12 09 38.0 -04 40 21 0.05871 0.9427 5.2 174.5 ... 2012 10 16 11 27 40.9 +03 14 43 0.1941 0.8377 31.6 141.5 26.5 A. U. Tomatic (C) Copyright 2012 MPC M.P.E.C. 2012-S08


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