MPEC 2011-P03 : COMET C/2011 O1 (LINEAR)
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M.P.E.C. 2011-P03 Issued 2011 Aug. 2, 00:38 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 COMET C/2011 O1 (LINEAR) Observations: CK11O010 C2011 07 31.16245 17 18 31.78 -16 51 10.3 17.6 TcEP003704 CK11O010 C2011 07 31.17403 17 18 31.32 -16 51 15.6 17.8 TcEP003704 CK11O010 C2011 07 31.21012 17 18 30.07 -16 51 32.0 17.3 TcEP003704 CK11O010 KC2011 07 31.84039 17 18 08.13 -16 56 22.9 uEP003595 CK11O010 HC2011 07 31.87663 17 18 06.95 -16 56 39.7 vEP003204 CK11O010 KC2011 07 31.88649 17 18 06.66 -16 56 43.9 vEP003204 CK11O010 KC2011 07 31.88801 17 18 06.66 -16 56 44.1 17.9 TuEP003J87 CK11O010 KC2011 07 31.88938 17 18 06.58 -16 56 45.1 uEP003595 CK11O010 KC2011 07 31.89300 17 18 06.36 -16 56 47.1 17.3 TuEP003595 CK11O010 KC2011 07 31.89458 17 18 06.38 -16 56 47.9 17.4 TvEP003I93 CK11O010 KC2011 07 31.89487 17 18 06.37 -16 56 47.8 18.1 TuEP003J87 CK11O010 KC2011 07 31.90017 17 18 06.17 -16 56 50.4 18.0 TuEP003J87 CK11O010 KC2011 07 31.90179 17 18 06.13 -16 56 51.1 17.2 TvEP003I93 CK11O010 KC2011 07 31.90342 17 18 06.10 -16 56 52.5 17.0 TwEP003I99 CK11O010 KC2011 07 31.90862 17 18 05.90 -16 56 54.2 17.3 TvEP003I93 CK11O010 KC2011 07 31.91006 17 18 05.82 -16 56 54.8 17.0 TvEP003204 CK11O010 KC2011 07 31.92009 17 18 05.51 -16 56 59.3 16.8 TwEP003I99 CK11O010 KC2011 07 31.93973 17 18 04.88 -16 57 09.1 17.0 TwEP003I99 CK11O010 KC2011 08 01.11746417 17 58.74 -16 58 30.3 17.2 TrEP003H21 CK11O010 KC2011 08 01.13023517 17 58.30 -16 58 36.1 17.3 TrEP003H21 CK11O010 KC2011 08 01.13128617 17 58.28 -16 58 36.9 17.2 TrEP003H21 CK11O010 KC2011 08 01.14480217 17 57.86 -16 58 43.9 17.4 TrEP003H21 CK11O010 |C2011 08 01.23484 17 17 54.70 -16 59 24.3 cEP003H06 CK11O010 |C2011 08 01.23725 17 17 54.61 -16 59 25.3 cEP003H06 CK11O010 |C2011 08 01.23966 17 17 54.52 -16 59 26.3 16.5 TcEP003H06 CK11O010 C2011 08 01.43769 17 17 47.79 -17 00 56.7 oEP003E23 CK11O010 C2011 08 01.45955 17 17 47.02 -17 01 06.3 17.6 ToEP003E23 CK11O010 C2011 08 01.47169 17 17 46.60 -17 01 11.9 18.8 ToEP003E23 CK11O010 QC2011 08 01.50638 17 17 45.47 -17 01 27.7 16.9 TrEP003E12 CK11O010 KC2011 08 01.86494417 17 33.42 -17 04 15.6 16.9 TuEP003B86 CK11O010 KC2011 08 01.88670917 17 32.63 -17 04 24.9 17.3 TuEP003B86 CK11O010 KC2011 08 01.89393017 17 32.39 -17 04 28.1 17.3 TuEP003B86 CK11O010 KC2011 08 01.90114517 17 32.16 -17 04 31.4 17.3 TuEP003B86 CK11O010 C2011 08 01.94253 17 17 30.72 -17 04 51.6 17.3 TrEP003104 CK11O010 C2011 08 01.94907 17 17 30.50 -17 04 54.6 16.5 TrEP003104 Observer details: 104 San Marcello Pistoiese. Observers L. Tesi, P. Bacci, G. Fagioli, A. Aventini. Measurer P. Bacci. 0.60-m f/4 reflector + CCD. 204 Schiaparelli Observatory. Observer L. Buzzi. 0.38-m f/6.8 reflector + CCD. 595 Farra d'Isonzo. Observer E. Pettarin. 0.40-m f/4.5 reflector + CCD. 704 Lincoln Laboratory ETS, New Mexico. Observers M. Blythe, G. Spitz, R. Brungard, J. Paige, P. Festler, T. McVey, A. Valdivia. 1.0-m f/2.15 reflector + CCD. B86 Sternwarte Hagen. Observer M. Klein. 0.50-m f/3.0 Deltagraph + CCD. E12 Siding Spring Survey. Observer R. H. McNaught. 0.5-m Uppsala Schmidt + CCD. E23 Arcadia. Observer A. Hidas. 0.35-m Schmidt-Cassegrain + CCD. H06 RAS Observatory, Mayhill. Observer H. Sato. 0.51-m f/4.5 reflector + CCD. H21 Astronomical Research Observatory, Westfield. Observer R. Holmes. Measurers 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. I99 Observatorio Blanquita, Vaciamadrid. Observer F. Limon. 0.20-m f/3.3 Schmidt-Cassegrain + CCD. J87 La Canada. Observer J. Lacruz. 0.40-m Ritchey-Chretien + CCD. Orbital elements: C/2011 O1 (LINEAR) T 2012 July 23.50280 TT MPC q 4.3529100 (2000.0) P Q Peri. 222.99029 +0.10993254 +0.13757301 Node 89.23249 -0.40550205 +0.91041315 e 1.0 Incl. 79.88605 -0.90745960 -0.39015583 From 35 observations 2011 July 31-Aug. 1. Ephemeris: C/2011 O1 (LINEAR) Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2 2011 07 02 17 39 35.3 -13 09 16 4.3862 5.3632 162.2 3.3 17.5 ... 2011 07 17 17 27 53.4 -15 02 11 4.4118 5.2956 147.3 6.0 17.5 ... 2011 07 25 17 22 20.5 -16 03 41 4.4530 5.2601 138.8 7.3 17.5 ... 2011 07 31 17 18 37.5 -16 49 53 4.4951 5.2338 132.4 8.2 17.5 2011 08 01 17 18 02.8 -16 57 34 4.5030 5.2294 131.4 8.4 17.5 2011 08 02 17 17 28.9 -17 05 15 4.5110 5.2251 130.3 8.5 17.5 ... 2011 08 08 17 14 21.8 -17 51 11 4.5640 5.1991 124.0 9.3 17.5 ... 2011 08 16 17 10 58.6 -18 51 47 4.6450 5.1649 115.7 10.2 17.5 ... 2011 08 31 17 07 07.9 -20 42 44 4.8201 5.1021 100.5 11.2 17.5 Gareth V. Williams (C) Copyright 2011 MPC M.P.E.C. 2011-P03


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