M.P.E.C. 2013-Q34 Issued 2013 Aug. 26, 16:15 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 COMET C/2013 P4 (PANSTARRS) Observations: CK13P040 C2013 08 15.49380 22 51 52.270-01 49 54.66 20.8 TLEQ034F51 CK13P040 C2013 08 15.50936 22 51 51.970-01 49 56.06 20.8 TLEQ034F51 CK13P040 C2013 08 15.52491 22 51 51.695-01 49 57.39 20.8 TLEQ034F51 CK13P040 C2013 08 15.54046 22 51 51.393-01 49 58.76 20.8 TLEQ034F51 CK13P040 2C2013 08 16.46000722 51 34.586-01 51 21.90 20.1 TtEQ034568 CK13P040 2C2013 08 16.46168122 51 34.554-01 51 22.03 20.2 TtEQ034568 CK13P040 2C2013 08 16.46332422 51 34.523-01 51 22.15 20.1 TtEQ034568 CK13P040 1C2013 08 17.77004 22 51 10.21 -01 53 22.9 cEQ034Q62 CK13P040 1C2013 08 17.77389 22 51 10.15 -01 53 23.4 cEQ034Q62 CK13P040 1C2013 08 17.77773 22 51 10.10 -01 53 23.8 19.4 TcEQ034Q62 CK13P040 |C2013 08 19.26362 22 50 41.91 -01 55 47.5 20.6 TuEQ034807 CK13P040 |C2013 08 19.27077 22 50 41.77 -01 55 48.2 20.5 TuEQ034807 CK13P040 KC2013 08 26.14777222 48 25.94 -02 07 55.8 19.7 TuEQ034H21 CK13P040 KC2013 08 26.15556822 48 25.75 -02 07 56.8 19.9 TuEQ034H21 CK13P040 KC2013 08 26.16351522 48 25.57 -02 07 57.8 19.8 TuEQ034H21 CK13P040 KC2013 08 26.17145922 48 25.44 -02 07 59.1 19.8 TuEQ034H21 CK13P040 KC2013 08 26.20186 22 48 24.76 -02 08 01.9 19.7 TqEQ034H36 CK13P040 KC2013 08 26.21404 22 48 24.57 -02 08 03.5 20.0 TqEQ034H36 CK13P040 KC2013 08 26.22614 22 48 24.25 -02 08 03.3 19.7 TqEQ034H36 CK13P040 1C2013 08 26.50717 22 48 18.60 -02 08 34.5 cEQ034Q62 CK13P040 1C2013 08 26.50942 22 48 18.56 -02 08 34.6 cEQ034Q62 CK13P040 1C2013 08 26.51167 22 48 18.52 -02 08 34.9 17.9 TcEQ034Q62 CK13P040 2C2013 08 26.53055 22 48 18.14 -02 08 37.0 19.9 TuEQ034E10 CK13P040 2C2013 08 26.53626 22 48 18.01 -02 08 37.7 19.3 TuEQ034E10 Observer details: 568 Mauna Kea. Observer M. Micheli. Measurers D. J. Tholen, M. Micheli. 2.24-m University of Hawaii reflector. 807 Cerro Tololo. Observers T. Linder, R. Holmes. 0.41-m f/11 Ritchey-Chretien + CCD. E10 Siding Spring-Faulkes Telescope South. Observers K. Rochowicz, E. Guido, N. Howes. 2.0-m f/10.0 Ritchey-Chretien + CCD. F51 Pan-STARRS 1, Haleakala. Observers N. Primak, A. Schultz. T. Goggia, M. Willman. Measurer PS1 Science Consortium. 1.8-m Ritchey-Chretien + CCD. H21 Astronomical Research Observatory, Westfield. Observer R. Holmes. Measurers T. Linder, S. Foglia, L. Buzzi, T. Vorobjov. 0.61-m f/4.0 astrograph + CCD. H36 Sandlot Observatory, Scranton. Observer G. Hug. 0.56-m reflector + CCD. Q62 iTelescope Observatory, Siding Spring. Observer H. Sato. 0.43-m f/6.8 astrograph + CCD, 0.51-m f/6.8 astrograph + CCD + f/4.5 focal reducer. Orbital elements: C/2013 P4 (PANSTARRS) T 2015 June 23.59186 TT MPC q 4.4047149 (2000.0) P Q Peri. 157.50376 +0.58184263 -0.80996921 Node 256.84098 +0.73422274 +0.56201305 e 1.0 Incl. 4.33164 +0.34982298 +0.16760433 From 24 observations 2013 Aug. 15-26. Ephemeris: C/2013 P4 (PANSTARRS) Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2 2013 07 27 22 56 44.0 -01 29 25 6.1958 6.9926 138.9 5.5 19.9 ... 2013 08 11 22 53 11.1 -01 43 36 5.9841 6.9089 153.9 3.7 19.8 ... 2013 08 19 22 50 47.0 -01 55 22 5.8947 6.8643 162.0 2.6 19.7 ... 2013 08 25 22 48 49.2 -02 05 47 5.8394 6.8310 167.9 1.8 19.7 2013 08 26 22 48 28.9 -02 07 38 5.8312 6.8255 168.8 1.6 19.7 2013 08 27 22 48 08.5 -02 09 31 5.8232 6.8199 169.8 1.5 19.7 ... 2013 09 02 22 46 03.6 -02 21 21 5.7819 6.7867 174.3 0.8 19.6 ... 2013 09 10 22 43 14.8 -02 38 16 5.7435 6.7425 172.2 1.2 19.6 ... 2013 09 25 22 38 15.2 -03 11 01 5.7224 6.6600 157.5 3.3 19.5 Gareth V. Williams (C) Copyright 2013 MPC M.P.E.C. 2013-Q34