MPEC 2012-D29 : 2012 DF4
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ReadMPEC 2012-D28
ReadMPEC 2012-D30M.P.E.C. 2012-D29 Issued 2012 Feb. 20, 22:32 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 theTamkin Foundation Computer Network MPC@CFA.HARVARD.EDU URLhttps://www.minorplanetcenter.net/ ISSN 1523-6714 2012 DF4Observations: K12D04F* C2012 02 16.51494 10 26 31.237+10 32 01.94 20.4 wLED029F51 K12D04F C2012 02 16.52958 10 26 36.457+10 33 15.04 20.5 wLED029F51 K12D04F C2012 02 16.54420 10 26 41.742+10 34 28.08 20.3 wLED029F51 K12D04F C2012 02 16.55893 10 26 47.150+10 35 41.99 20.1 wLED029F51 K12D04F 2C2012 02 17.30490510 33 29.903+11 50 26.65 18.7 RoED029568 K12D04F 2C2012 02 17.30615610 33 30.582+11 50 35.41 18.7 RoED029568 K12D04F 2C2012 02 17.30741110 33 31.293+11 50 44.74 18.7 RoED029568 K12D04F KC2012 02 19.96890011 48 24.33 +24 37 35.5 uED029J95 K12D04F KC2012 02 19.97016411 48 29.95 +24 38 26.3 uED029J95 K12D04F KC2012 02 19.97145711 48 35.65 +24 39 18.2 17.5 RuED029J95 K12D04F KC2012 02 20.04879 11 54 32.55 +25 33 27.3 17.6 VuED029I93 K12D04F KC2012 02 20.05796 11 55 16.75 +25 39 56.1 17.7 VuED029I93 K12D04F KC2012 02 20.06387 11 55 45.50 +25 44 07.9 17.8 VuED029I93 K12D04F KC2012 02 20.07061 11 56 18.55 +25 48 56.1 17.7 VuED029I93 K12D04F KC2012 02 20.16036212 04 09.22 +26 53 43.2 uED029J95 K12D04F KC2012 02 20.16225812 04 19.75 +26 55 09.0 uED029J95 K12D04F KC2012 02 20.16418212 04 30.49 +26 56 36.4 uED029J95 K12D04F KC2012 02 20.16604812 04 40.94 +26 58 01.1 17.0 RuED029J95 K12D04F tC2012 02 20.39073712 29 53.00 +30 06 56.4 17.7 VrED029H21 K12D04F tC2012 02 20.39197312 30 02.37 +30 08 01.9 17.5 VrED029H21 K12D04F tC2012 02 20.39321112 30 11.75 +30 09 07.2 17.3 VrED029H21 K12D04F tC2012 02 20.39594712 30 32.45 +30 11 32.5 17.4 VrED029H21 K12D04F tC2012 02 20.39850412 30 51.96 +30 13 48.7 17.5 VrED029H21 K12D04F tC2012 02 20.40027112 31 05.51 +30 15 23.0 17.6 VrED029H21 K12D04F C2012 02 20.48419 12 42 42.71 +31 33 29.9 17.6 RcED029854 K12D04F C2012 02 20.48730 12 43 09.41 +31 36 21.1 17.6 RcED029854 K12D04F C2012 02 20.48884 12 43 22.86 +31 37 46.1 17.6 RcED029854 K12D04F C2012 02 20.66154 13 13 24.27 +34 20 53.1 16.9 RoED029300 K12D04F C2012 02 20.66247 13 13 34.66 +34 21 47.9 17.1 RoED029300 K12D04F C2012 02 20.66278 13 13 38.09 +34 22 05.6 17.5 RoED029300 K12D04F C2012 02 20.66309 13 13 41.59 +34 22 23.9 17.2 RoED029300 K12D04F C2012 02 20.66341 13 13 45.13 +34 22 42.7 17.1 RoED029300 K12D04F C2012 02 20.66434 13 13 55.57 +34 23 37.0 17.0 RoED029300Observer details:300 Bisei Spaceguard Center--BATTeRS. Observers A. Asami, N. Hashimoto. 1.0-m f/3.0 reflector + CCD.568 Mauna Kea. Observer A. Draginda. Measurers D. J. Tholen, B. Bolin, R. J. Wainscoat, M. Micheli. 3.6-m Canada-France-Hawaii Telescope.854 Sabino Canyon Observatory, Tucson. Observer J. E. McGaha. 0.36-m f/10.0 Schmidt-Cassegrain + CCD.F51 Pan-STARRS 1, Haleakala. Observers N. Primak, A. Schultz, S. Watters, J. Thiel, T. Goggia. Measurer PS1 Science Consortium. 1.8-m Ritchey-Chretien + 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.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 DF4 EarthMOID = 0.0075 AUEpoch 2012 Mar. 14.0 TT = JDT 2456000.5 MPCM 344.81082 (2000.0) P Qn 0.53423812 Peri. 87.07154 -0.58584411 +0.80918801a 1.5042250 Node 146.93598 -0.77231858 -0.54071911e 0.5398144 Incl. 4.70356 -0.24558235 -0.22986432P 1.84 H 26.0 G 0.15 U 6Residuals in seconds of arc120216 F51 0.3- 0.4- 120220 I93 0.1+ 0.1- 120220 H21 0.6- 0.5-120216 F51 0.0 0.1- 120220 I93 0.1+ 0.1- 120220 H21 0.1+ 0.1-120216 F51 0.2+ 0.1+ 120220 I93 0.2+ 0.2- 120220 854 1.4+ 1.4+120216 F51 0.5+ 0.4+ 120220 J95 0.1+ 0.1+ 120220 854 0.0 1.0+120217 568 0.2+ 0.2+ 120220 J95 0.2- 0.1- 120220 854 1.7+ 1.0+120217 568 0.2- 0.2- 120220 J95 0.1- 0.0 120220 300 0.2+ 0.1+120217 568 0.1- 0.0 120220 J95 0.0 0.1- 120220 300 0.1+ 0.3+120219 J95 0.3- 0.2- 120220 H21 1.0- 0.4- 120220 300 0.3- 0.2-120219 J95 0.4+ 0.1+ 120220 H21 0.5- 0.5- 120220 300 0.1+ 0.1-120219 J95 0.2+ 0.2+ 120220 H21 0.4- 0.8- 120220 300 0.4- 0.0120220 I93 0.2+ 0.1- 120220 H21 1.1- 0.8- 120220 300 0.2- 0.3-Ephemeris:2012 DF4 a,e,i = 1.50, 0.54, 5 q = 0.6922Date TT R. A. (2000) Decl. Delta r Elong. Phase V2012 01 21 09 53 14.6 +05 46 47 0.3144 1.2683 151.0 22.1 25.1...2012 02 05 10 01 41.5 +05 54 30 0.1559 1.1365 164.0 13.9 23.0...2012 02 13 10 12 01.5 +07 40 46 0.07841 1.0646 170.7 8.6 21.2...2012 02 19 11 02 26.3 +17 17 56 0.02309 1.0108 165.4 14.3 18.62012 02 20 11 50 26.5 +25 02 45 0.01484 1.0018 152.6 27.0 18.12012 02 21 14 33 09.0 +39 02 51 0.0090420.9929 116.4 63.1 18.0...2012 02 27 21 25 19.0 +02 11 07 0.05401 0.9399 21.0 157.8 29.8...2012 03 06 21 43 13.2 -01 27 13 0.1302 0.8721 21.4 155.5 30.9...2012 03 21 21 59 24.2 -02 59 09 0.2888 0.7628 30.9 137.9 29.3A. U. Tomatic (C) Copyright 2012 MPC M.P.E.C. 2012-D29
ReadMPEC 2012-D28 ReadMPEC 2012-D30Enter anMPEC number in oneof the following forms:
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