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M.P.E.C. 2005-W56 Issued 2005 Nov. 25, 21:52 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.
Supported in part by the Brinson Foundation
Supported in part by the TABASGO Foundation
Prepared using the Tamkin Foundation Computer Network
MPC@CFA.HARVARD.EDU
URL http://cfa-www.harvard.edu/iau/mpc.html ISSN 1523-6714
2004 NC9
Revision to MPEC 2004-O12
Additional Observations:
K04N09C 2C2005 11 11.30362001 16 45.675+38 17 42.67 22.6 R EW056568
K04N09C 2C2005 11 11.31137801 16 45.273+38 17 39.79 22.2 R EW056568
K04N09C 2C2005 11 12.27366001 15 55.922+38 11 36.96 22.5 R EW056568
K04N09C 2C2005 11 12.28131101 15 55.521+38 11 34.07 22.4 R EW056568
Observer details:
568 Mauna Kea. Observers F. Bernardi, A. Boattini. Measurer F. Bernardi.
2.24-m University of Hawaii reflector + 2048 CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
051111 568 6.4+ 5.3+ 051112 568 6.2+ 5.3+ MPO 74311 -0.0026 day
Orbital elements:
2004 NC9
Epoch 2006 Mar. 6.0 TT = JDT 2453800.5 MPC
M 162.37254 (2000.0) P Q
n 0.22275510 Peri. 259.18598 -0.54457728 +0.82152265
a 2.6951583 Node 335.38238 -0.51873714 -0.48818247
e 0.5564100 Incl. 23.92414 -0.65905035 -0.29458174
P 4.42 H 17.1 G 0.15 U 2
Residuals in seconds of arc
040715 704 0.4- 0.2+ 040717 474 0.2+ 0.6+ 040812 704 0.9- 0.3-
040715 704 0.3+ 0.1+ 040721 413 0.2+ 0.3- 040818 246 0.3+ 0.2+
040715 704 0.6- 0.9+ 040721 413 0.1+ 0.2- 040818 246 0.6+ 0.8+
040715 413 0.3+ 0.2- 040726 H36 0.0 0.8- 040818 246 0.4+ 0.6+
040715 413 0.2+ 0.3- 040726 H36 1.0+ 0.8- 040818 246 0.6+ 0.0
040715 413 0.3+ 0.3- 040726 H36 0.1- 0.2- 040819 246 0.5+ 0.5+
040716 711 0.2+ 0.7+ 040806 649 0.5+ 0.4+ 040904 H36 1.6- 0.4-
040716 711 0.0 1.3+ 040806 649 0.0 0.6+ 040904 H36 (2.3+ 1.1-)
040716 413 0.1+ 0.3- 040806 649 1.1+ 0.8- 040906 E12 0.6- 0.5-
040716 413 0.1+ 0.0 040806 649 0.2+ 0.3- 040906 E12 0.1+ 0.4-
040716 413 0.2+ 0.3- 040807 246 0.4- 0.1- 040906 E12 0.6+ 0.7+
040717 246 1.0+ 0.3+ 040807 246 1.2- 0.0 040906 E12 0.6- 0.6-
040717 246 0.1+ 0.3+ 040807 246 0.7- 0.0 040918 941 0.6+ 0.3+
040717 246 0.5- 0.1+ 040807 246 0.6- 0.4+ 040918 941 0.6+ 0.1+
040717 H36 1.6- 0.7+ 040810 246 1.0- 0.4+ 040918 941 0.2+ 0.5-
040717 H36 1.2- 0.3+ 040810 246 0.0 0.4+ 040918 941 0.4+ 1.1-
040717 711 0.1- 0.4+ 040810 246 1.0- 0.7+ 041104 291 (0.0 2.1+)
040717 711 0.0 0.5- 040810 246 0.6- 0.1+ 041104 291 0.0 0.3+
040717 711 0.4+ 0.1- 040810 246 1.8- 0.6+ 041104 291 1.4+ 1.3+
040717 474 0.1+ 0.2+ 040810 246 1.4- 1.0+ 051111 568 0.0 0.0
040717 474 0.1+ 0.3+ 040812 704 0.9+ 0.6+ 051111 568 0.2+ 0.0
040717 474 0.2+ 1.3+ 040812 704 0.1- 0.7- 051112 568 0.1- 0.0
040717 474 0.2+ 0.1- 040812 704 0.8+ 0.1+ 051112 568 0.1- 0.0
Ephemeris:
2004 NC9 a,e,i = 2.70, 0.56, 24 q = 1.1955
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2005 11 26 01 06.20 +36 39.3 3.257 4.044 137.8 9.4 23.3
2005 12 06 01 01.72 +35 30.7 3.366 4.060 129.1 10.9 23.5
2005 12 16 00 59.51 +34 27.0 3.494 4.076 120.0 12.1 23.6
2005 12 26 00 59.45 +33 31.8 3.636 4.090 110.8 13.0 23.7
Gareth V. Williams (C) Copyright 2005 MPC M.P.E.C. 2005-W56
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