MPEC 2009-O04 : 2009 OC
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M.P.E.C. 2009-O04 Issued 2009 July 17, 11:12 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 2009 OC Observations: K09O00C* C2009 07 16.86991 20 31 04.90 +05 37 28.7 18.5 V EO004J75 K09O00C C2009 07 16.88310 20 31 06.79 +05 37 38.0 18.1 V EO004J75 K09O00C C2009 07 16.89617 20 31 08.63 +05 37 48.1 18.4 V EO004J75 K09O00C C2009 07 16.98065 20 31 19.90 +05 38 48.9 18.3 C EO004B40 K09O00C C2009 07 16.98426 20 31 20.50 +05 38 46.7 18.5 R EO004587 K09O00C C2009 07 16.98572 20 31 20.70 +05 38 47.7 18.5 R EO004587 K09O00C C2009 07 16.98701 20 31 20.88 +05 38 48.3 18.7 R EO004587 K09O00C C2009 07 16.99731 20 31 22.17 +05 39 00.8 18.1 C EO004B40 K09O00C C2009 07 17.01110 20 31 24.08 +05 39 07.6 17.7 C EO004A81 K09O00C C2009 07 17.02416 20 31 25.87 +05 39 16.2 18.2 C EO004A81 K09O00C C2009 07 17.05974 20 31 30.75 +05 39 44.3 18.2 C EO004B40 K09O00C C2009 07 17.07656 20 31 35.92 +05 40 41.9 18.0 C EO004I19 K09O00C C2009 07 17.07969 20 31 33.56 +05 39 57.0 EO004B40 K09O00C C2009 07 17.08547 20 31 37.17 +05 40 48.2 17.8 C EO004I19 K09O00C C2009 07 17.09437 20 31 38.42 +05 40 54.7 17.7 C EO004I19 K09O00C C2009 07 17.09912 20 31 36.23 +05 40 11.5 EO004B40 K09O00C C2009 07 17.12838 20 31 43.64 +05 40 27.8 18.5 V EO004H26 K09O00C C2009 07 17.13074 20 31 43.92 +05 40 30.0 18.8 V EO004H26 K09O00C C2009 07 17.13310 20 31 44.31 +05 40 31.7 18.3 V EO004H26 K09O00C C2009 07 17.16252 20 31 47.80 +05 41 44.8 18.4 C EO004I20 K09O00C C2009 07 17.18267 20 31 50.56 +05 41 58.4 18.0 C EO004I20 K09O00C C2009 07 17.18707 20 31 51.16 +05 42 01.5 18.1 C EO004I20 K09O00C C2009 07 17.18866 20 31 52.88 +05 41 16.7 EO004H10 K09O00C C2009 07 17.18992 20 31 53.05 +05 41 17.3 EO004H10 K09O00C C2009 07 17.19112 20 31 53.13 +05 41 17.5 EO004H10 K09O00C C2009 07 17.19216 20 31 51.85 +05 42 05.1 18.1 C EO004I20 K09O00C C2009 07 17.21903 20 31 57.03 +05 41 38.0 18.7 C EO004H10 K09O00C C2009 07 17.22051 20 31 57.29 +05 41 38.5 18.7 C EO004H10 K09O00C C2009 07 17.22108 20 31 57.41 +05 41 38.5 18.0 R EO004H01 K09O00C C2009 07 17.22197 20 31 57.47 +05 41 39.2 18.2 C EO004H10 K09O00C C2009 07 17.22344 20 31 57.76 +05 41 40.1 18.4 C EO004H10 K09O00C C2009 07 17.22513 20 31 57.98 +05 41 41.4 17.9 R EO004H01 K09O00C C2009 07 17.22895 20 31 58.51 +05 41 44.1 17.9 R EO004H01 K09O00C C2009 07 17.23277 20 31 58.56 +05 41 42.5 17.9 R EO004H36 K09O00C C2009 07 17.23358 20 31 59.16 +05 41 47.4 18.0 R EO004H01 K09O00C C2009 07 17.23736 20 31 59.68 +05 41 50.0 18.2 R EO004H01 K09O00C C2009 07 17.24320 20 32 00.02 +05 41 51.0 18.5 R EO004H36 K09O00C C2009 07 17.24469 20 32 00.23 +05 41 52.0 18.4 R EO004H36 K09O00C C2009 07 17.25280 20 32 01.32 +05 41 58.2 18.0 R EO004H36 K09O00C C2009 07 17.41535 20 32 24.12 +05 43 53.3 18.7 R EO004H01 K09O00C C2009 07 17.42149 20 32 24.97 +05 43 57.5 18.7 R EO004H01 K09O00C C2009 07 17.42495 20 32 25.45 +05 43 59.8 18.6 R EO004H01 Observer details: 587 Sormano. Observers F. Manca, A. Testa. Measurer F. Manca. 0.5-m f/6.8 reflector + CCD. A81 Balzaretto Observatory, Rome. Observer L. Franco. 0.20-m f/5.3 reflector + CCD. B40 Skylive Observatory, Catania. Observers P. Camilleri, E. Guido, E. Prosperi, G. Sostero. Measurer E. Prosperi. 0.30-m f/6 Schmidt-Cassegrain + CCD. H01 Magdalena Ridge Observatory, Socorro. Observer W. H. Ryan. 2.4-m f/8.9 reflector + CCD. H10 Tzec Maun Observatory, Mayhill. Observers L. Elenin, D. Chestnov. 0.21-m f/7.9 refractor + CCD, 0.36-m f/3.8 Maksutov-Newtonian + CCD. H26 Doc Greiner Research Observatory, Janesvillle. Observer M. Mills. 0.4-m f/8 Schmidt-Cassegrain + CCD. H36 Sandlot Observatory, Scranton. Observer G. Hug. 0.56-m reflector + CCD. I19 Tanti. Observer C. Colazo. 0.28-m f/10 Schmidt-Cassegrain + CCD + f/3.3 focal reducer. I20 Rio Cuarto. Observer F. D. Mazzone. 0.20-m f/4 Schmidt-Newtonian + CCD. J75 OAM Observatory, La Sagra. Observers S. Sanchez, J. Nomen, R. Stoss, W. K. Y. Yeung, J. Rodriguez, A. Cikota, S. Cikota. 0.45-m f/2.8 reflector + CCD. Orbital elements: 2009 OC Earth MOID = 0.1926 AU Epoch 2009 June 18.0 TT = JDT 2455000.5 MPC M 346.89333 (2000.0) P Q n 0.29771482 Peri. 124.44535 +0.65272628 +0.75754787 a 2.2212754 Node 186.32187 -0.71756873 +0.61467122 e 0.4619778 Incl. 4.34614 -0.24298874 +0.21977378 P 3.31 H 20.4 G 0.15 U 8 Residuals in seconds of arc 090716 J75 0.2- 0.1+ 090717 I19 0.2- 0.2+ 090717 H01 0.0 0.0 090716 J75 0.3- 0.2- 090717 B40 1.1+ 0.1+ 090717 H10 0.5- 0.6- 090716 J75 0.7- 0.5+ 090717 H26 0.3+ 0.2- 090717 H10 0.8+ 0.8- 090716 B40 0.9+ 0.1+ 090717 H26 0.5- 0.3+ 090717 H01 0.0 0.1+ 090716 587 0.2- 0.2+ 090717 H26 0.2+ 0.3+ 090717 H01 0.0 0.1+ 090716 587 0.2- 0.1+ 090717 I20 0.4- 0.9+ 090717 H36 0.4- 1.6- 090716 587 0.2- 0.2- 090717 I20 0.3- 0.4+ 090717 H01 0.1+ 0.1+ 090716 B40 0.8+ 0.2+ 090717 I20 0.3- 0.4+ 090717 H01 0.0 0.0 090717 A81 0.5- 0.1- 090717 H10 0.8+ 0.5+ 090717 H36 0.1- 0.4- 090717 A81 0.7- 0.7- 090717 H10 0.7+ 0.2+ 090717 H36 0.1- 0.5- 090717 B40 0.9+ 0.1+ 090717 H10 0.6- 0.4- 090717 H36 0.5- 0.0 090717 I19 0.2- 0.2+ 090717 I20 0.4- 0.4+ 090717 H01 0.2+ 0.3+ 090717 B40 1.7+ 1.0- 090717 H10 0.9- 0.2+ 090717 H01 0.2+ 0.4+ 090717 I19 0.2- 0.1+ 090717 H10 0.1- 0.3- 090717 H01 0.1+ 0.4+ Ephemeris: 2009 OC a,e,i = 2.22, 0.46, 4 q = 1.1951 Date TT R. A. (2000) Decl. Delta r Elong. Phase V 2009 07 18 20 33.89 +05 50.8 0.210 1.204 151.0 24.2 18.5 2009 07 28 20 59.80 +07 00.9 0.199 1.196 152.9 22.8 18.4 2009 08 07 21 26.01 +06 45.4 0.197 1.197 156.3 19.9 18.3 2009 08 17 21 50.52 +05 11.1 0.204 1.207 161.3 15.6 18.2 2009 08 27 22 11.89 +02 44.6 0.221 1.227 166.8 10.8 18.2 2009 09 06 22 29.92 +00 05.3 0.249 1.254 170.2 7.9 18.4 2009 09 16 22 45.07 -02 15.5 0.289 1.290 167.6 9.7 18.9 2009 09 26 22 58.35 -03 59.2 0.342 1.331 161.2 14.0 19.5 2009 10 06 23 10.82 -04 59.4 0.408 1.378 154.0 18.5 20.1 2009 10 16 23 23.11 -05 19.8 0.486 1.429 146.8 22.5 20.7 2009 10 26 23 35.66 -05 06.3 0.577 1.483 139.8 25.7 21.2 2009 11 05 23 48.73 -04 25.8 0.681 1.539 133.0 28.1 21.7 Timothy B. Spahr (C) Copyright 2009 MPC M.P.E.C. 2009-O04


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