MPEC 2007-M31 : COMET C/2007 M3 (LINEAR)
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M.P.E.C. 2007-M31 Issued 2007 June 23, 14:46 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.cfa.harvard.edu/iau/mpc.html ISSN 1523-6714 COMET C/2007 M3 (LINEAR) Observations: CK07M030 C2007 06 21.31323 19 48 08.71 +02 13 32.0 17.2 N EM031704 CK07M030 C2007 06 21.32258 19 48 07.38 +02 13 30.4 17.3 N EM031704 CK07M030 C2007 06 21.33213 19 48 06.08 +02 13 28.7 17.5 N EM031704 CK07M030 C2007 06 21.34158 19 48 04.74 +02 13 26.7 17.4 N EM031704 CK07M030 C2007 06 21.35100 19 48 03.43 +02 13 24.8 17.3 N EM031704 CK07M030 C2007 06 21.85594 19 46 53.19 +02 11 44.5 17.3 N EM031104 CK07M030 C2007 06 21.86433 19 46 51.97 +02 11 43.5 17.4 N EM031104 CK07M030 C2007 06 21.86943 19 46 51.29 +02 11 42.1 16.9 N EM031104 CK07M030 C2007 06 21.88211 19 46 49.52 +02 11 39.6 16.3 N EM031198 CK07M030 C2007 06 21.88419 19 46 49.21 +02 11 39.2 16.4 N EM031198 CK07M030 C2007 06 21.88510 19 46 49.07 +02 11 39.0 16.4 N EM031198 CK07M030 C2007 06 21.88615 19 46 48.92 +02 11 38.8 16.5 N EM031198 CK07M030 C2007 06 21.88797 19 46 48.65 +02 11 38.3 16.5 N EM031198 CK07M030 C2007 06 21.89045 19 46 48.29 +02 11 37.8 16.2 N EM031198 CK07M030 C2007 06 21.92167 19 46 43.91 +02 11 31.1 16.8 N EM031A17 CK07M030 C2007 06 21.92924 19 46 42.80 +02 11 31.1 17.1 N EM031A17 CK07M030 C2007 06 21.93508 19 46 42.04 +02 11 28.9 17.3 N EM031A17 CK07M030 C2007 06 21.93988 19 46 41.33 +02 11 27.9 17.2 N EM031473 CK07M030 C2007 06 21.94237 19 46 41.01 +02 11 27.0 17.3 N EM031A17 CK07M030 C2007 06 21.94653 19 46 40.38 +02 11 26.5 17.4 N EM031473 CK07M030 C2007 06 21.97771 19 46 36.02 +02 11 20.1 16.9 N EM031473 CK07M030 C2007 06 21.99005 19 46 34.29 +02 11 17.5 16.7 N EM031473 CK07M030 C2007 06 21.99828 19 46 33.18 +02 11 17.1 16.8 N EM031473 CK07M030 C2007 06 21.99978 19 46 32.93 +02 11 16.2 17.0 N EM031A55 CK07M030 C2007 06 22.00368 19 46 32.41 +02 11 15.2 17.0 N EM031A55 CK07M030 C2007 06 22.00462 19 46 32.23 +02 11 14.6 16.9 N EM031473 CK07M030 C2007 06 22.00796 19 46 31.78 +02 11 15.1 16.9 N EM031A55 CK07M030 C2007 06 22.19184 19 46 06.10 +02 10 36.7 17.2 N EM031649 CK07M030 C2007 06 22.19362 19 46 05.76 +02 10 36.9 17.1 N EM031649 CK07M030 C2007 06 22.20605 19 46 04.07 +02 10 33.8 17.0 N EM031649 CK07M030 C2007 06 22.23687 19 45 59.68 +02 10 27.7 17.4 N EM031850 CK07M030 C2007 06 22.24453 19 45 58.64 +02 10 24.4 17.6 N EM031850 CK07M030 C2007 06 22.25221 19 45 57.52 +02 10 24.4 17.6 N EM031850 CK07M030 C2007 06 22.25904 19 45 56.64 +02 10 23.6 16.0 N EM031651 CK07M030 C2007 06 22.26186 19 45 56.22 +02 10 21.8 17.4 N EM031850 CK07M030 C2007 06 22.26193 19 45 56.21 +02 10 22.9 16.1 N EM031651 CK07M030 C2007 06 22.26625 19 45 55.56 +02 10 22.6 16.2 N EM031651 CK07M030 C2007 06 22.26912 19 45 55.14 +02 10 21.6 17.2 T EM031H06 CK07M030 C2007 06 22.26981 19 45 55.05 +02 10 21.7 17.6 N EM031850 CK07M030 C2007 06 22.27753 19 45 53.98 +02 10 18.9 16.9 T EM031H06 CK07M030 C2007 06 22.29668 19 45 51.25 +02 10 15.3 16.9 N EM031H36 CK07M030 C2007 06 22.29970 19 45 50.87 +02 10 14.4 17.2 N EM031H36 CK07M030 C2007 06 22.30271 19 45 50.41 +02 10 13.9 16.9 N EM031H36 CK07M030 C2007 06 22.30574 19 45 50.01 +02 10 13.3 17.1 N EM031H36 CK07M030 C2007 06 22.30671 19 45 49.93 +02 10 14.1 17.0 T EM031673 CK07M030 C2007 06 22.31366 19 45 48.89 +02 10 12.9 EM031673 CK07M030 C2007 06 22.32060 19 45 47.95 +02 10 11.5 EM031673 CK07M030 C2007 06 22.33113 19 45 46.41 +02 10 09.3 16.8 T EM031673 CK07M030 C2007 06 22.33657 19 45 45.68 +02 10 08.2 EM031673 CK07M030 C2007 06 22.33808 19 45 45.42 +02 10 07.7 EM031673 CK07M030 C2007 06 22.34502 19 45 44.42 +02 10 06.5 EM031673 CK07M030 C2007 06 22.35208 19 45 43.40 +02 10 04.9 EM031673 CK07M030 C2007 06 22.92805 19 44 22.15 +02 08 04.0 17.3 N EM031J87 CK07M030 C2007 06 22.93551 19 44 21.15 +02 08 01.5 17.1 N EM031J87 CK07M030 C2007 06 22.94302 19 44 20.04 +02 08 00.1 17.2 N EM031J87 CK07M030 C2007 06 22.99737 19 44 12.26 +02 07 48.7 18.0 N EM031A06 CK07M030 C2007 06 23.00584 19 44 11.05 +02 07 46.8 17.9 N EM031A06 CK07M030 C2007 06 23.01390 19 44 09.91 +02 07 45.0 17.8 N EM031A06 CK07M030 C2007 06 23.14709 19 43 51.10 +02 07 17.0 19.3 N EM031H87 CK07M030 C2007 06 23.15312 19 43 50.19 +02 07 15.4 17.4 N EM031932 CK07M030 C2007 06 23.16197 19 43 49.06 +02 07 11.0 18.4 N EM031H87 CK07M030 C2007 06 23.16699 19 43 48.22 +02 07 12.6 17.4 N EM031932 CK07M030 C2007 06 23.17004 19 43 47.78 +02 07 11.7 17.5 N EM031932 CK07M030 C2007 06 23.17468 19 43 47.21 +02 07 11.4 18.0 N EM031H87 CK07M030 C2007 06 23.21111 19 43 41.96 +02 07 06.5 EM031808 CK07M030 C2007 06 23.21875 19 43 40.88 +02 07 06.0 EM031808 CK07M030 C2007 06 23.22639 19 43 39.59 +02 07 05.3 EM031808 CK07M030 C2007 06 23.23507 19 43 38.45 +02 07 01.4 EM031808 CK07M030 C2007 06 23.23762 19 43 38.17 +02 06 57.0 17.6 N EM031850 CK07M030 C2007 06 23.24271 19 43 37.35 +02 07 00.0 EM031808 CK07M030 C2007 06 23.26052 19 43 34.87 +02 06 52.6 17.7 N EM031850 CK07M030 C2007 06 23.27577 19 43 32.67 +02 06 49.2 17.6 N EM031850 CK07M030 C2007 06 23.30580 19 43 28.47 +02 06 43.2 16.1 N EM031651 CK07M030 C2007 06 23.30724 19 43 28.23 +02 06 43.3 16.2 N EM031651 CK07M030 C2007 06 23.30822 19 43 28.02 +02 06 42.3 17.7 N EM031850 CK07M030 C2007 06 23.31012 19 43 27.85 +02 06 42.0 16.3 N EM031651 CK07M030 C2007 06 23.31782 19 43 26.74 +02 06 40.1 17.0 T EM031673 CK07M030 C2007 06 23.32755 19 43 25.33 +02 06 38.2 EM031673 CK07M030 C2007 06 23.33067 19 43 24.90 +02 06 37.7 EM031673 CK07M030 C2007 06 23.33715 19 43 23.96 +02 06 36.8 EM031673 Observer details: 104 San Marcello Pistoiese. Observers L. Tesi, G. Fagioli, M. Mazzucato. Measurers G. Forti, L. Tesi, G. Fagioli, M. Mazzucato. 0.60-m f/4 reflector + CCD. 198 Wildberg. Observer R. Apitzsch. 0.35-m f/4.2 reflector + CCD. 473 Remanzacco. Observers L. Donato, M. Gonano, V. Gonano, E. Guido, V. Santini, G. Sostero. 0.45-m f/4.4 Newtonian reflector + CCD. 649 Powell Observatory, Louisburg. Observer R. Fredrick. 0.75-m Newtonian reflector + CCD. 651 Grasslands Observatory, Tucson. Observer J. E. McGaha. 0.62-m f/5.1 Newtonian reflector + CCD. 673 Table Mountain Observatory, Wrightwood. Observers D. Mayes, H. Rhoades, J. Young. 0.4-m f/8.4 Cassegrain + CCD, 0.61-m f/16 Cassegrain + CCD. 704 Lincoln Laboratory ETS, New Mexico. Observers M. Bezpalko, D. Torres, R. Kracke, G. Spitz, J. Kistler. Measurers J. Stuart, S. Scruggs. 1.0-m f/2.15 reflector + CCD. 808 El Leoncito. Observer H. S. Lepez. 0.5-m f/7.5 double astrograph + CCD. 850 Cordell-Lorenz Observatory, Sewanee. Observers D. T. Durig, J. F. Cranshaw. 0.35-m f/8.2 Ritchey-Chretien + CCD. 932 John J. McCarthy Obs., New Milford. Observers S. Riley, C. Pratt. Measurer S. Riley. 0.4-m f/6.5 Schmidt-Cassegrain + CCD. A06 Mataro. Observer E. Cortes. 0.25-m f/4.4 Schmidt-Cassegrain + CCD. A17 Guidestar Observatory, Weinheim. Observers M. Emmerich, S. Melchert. 0.36-m f/6 Schmidt-Cassegrain + CCD. A55 Osservatorio Astronomico Vallemare di Borbona. Observer V. S. Casulli. 0.40-m f/4.5 Newtonian reflector + CCD. H06 RAS Observatory, Mayhill. Observers E. Guido, G. Sostero. 0.25-m f/3.4 reflector + CCD. H36 Sandlot Observatory, Scranton. Observer G. Hug. 0.30-m Schmidt-Cassegrain + CCD. H87 Fenwick Observatory, Richmond. Observer G. L. Waddill. 0.25-m f/6.3 Schmidt-Cassegrain + CCD. J87 La Canada. Observer J. Lacruz. 0.30-m Schmidt-Cassegrain + CCD. Orbital elements: C/2007 M3 (LINEAR) T 2007 Sept. 23.886 TT MPC q 3.41866 (2000.0) P Q Peri. 130.992 -0.000486 -0.977233 Node 42.444 -0.985667 +0.036261 e 1.0 Incl. 161.677 -0.168704 -0.209045 From 78 observations 2007 June 21-23. Ephemeris: C/2007 M3 (LINEAR) Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2 2007 06 19 19 53.41 +02 20.5 2.695 3.535 140.1 10.6 17.1 2007 06 29 19 29.53 +01 42.9 2.588 3.513 151.1 8.0 17.0 2007 07 09 19 03.56 +00 45.8 2.535 3.492 156.7 6.6 17.0 2007 07 19 18 37.17 -00 27.8 2.541 3.475 152.6 7.7 16.9 2007 07 29 18 12.21 -01 52.2 2.603 3.459 142.0 10.4 17.0 Brian G. Marsden (C) Copyright 2007 MPC M.P.E.C. 2007-M31


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