MPEC 2006-U18 : 2004 HK12
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M.P.E.C. 2006-U18 Issued 2006 Oct. 20, 12:34 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://cfa-www.harvard.edu/iau/mpc.html ISSN 1523-6714
2004 HK12
Revision to MPEC 2004-H48
Additional Observations:
K04H12K C2006 10 17.25918 01 55 58.11 +17 39 08.0 19.8 V EU018691
K04H12K C2006 10 17.27659 01 55 57.00 +17 38 20.4 19.7 V EU018691
K04H12K C2006 10 17.29401 01 55 55.88 +17 37 33.0 19.8 V EU018691
K04H12K C2006 10 20.20977 01 53 08.88 +15 21 31.5 19.6 V EU018691
K04H12K C2006 10 20.22713 01 53 07.73 +15 20 42.6 19.5 V EU018691
K04H12K C2006 10 20.24448 01 53 06.51 +15 19 54.6 19.2 V EU018691
Observer details:
691 Steward Observatory, Kitt Peak. Observers T. H. Bressi, J. V. Scotti.
0.9-m f/3 reflector + CCD.
Orbital elements:
2004 HK12
Epoch 2006 Sept. 22.0 TT = JDT 2454000.5 MPC
M 249.65851 (2000.0) P Q
n 0.60742983 Peri. 275.53539 -0.56955025 -0.80574359
a 1.3808250 Node 211.02690 +0.82183042 -0.55476862
e 0.0482108 Incl. 18.37084 +0.01439696 -0.20738625
P 1.62 H 19.7 G 0.15 U 4
Residuals in seconds of arc
040421 704 0.3- 0.0 040422 704 0.2+ 0.3- 040425 474 0.3- 0.4+
040421 704 0.3- 0.6+ 040422 704 0.4+ 0.1+ 040430 413 0.7- 0.2-
040421 704 0.3- 0.2+ 040422 704 0.6+ 0.5+ 040430 413 0.2- 0.1-
040421 246 1.4+ 0.3+ 040422 704 0.4- 0.7- 040608 413 0.1+ 0.4+
040421 246 0.8+ 0.0 040422 704 0.8+ 0.6+ 040608 413 0.4- 0.1+
040421 246 0.1- 0.3- 040422 704 0.3+ 0.4- 061017 691 0.1+ 0.2-
040421 246 0.7+ 0.1+ 040422 704 0.3- 0.3+ 061017 691 0.2+ 0.2-
040422 704 0.2+ 0.1+ 040422 E14 0.9- 0.8- 061017 691 0.3+ 0.1+
040422 704 0.1- 0.7+ 040422 E14 0.9- 0.7- 061020 691 0.3+ 0.2-
040422 704 0.7- 0.1+ 040422 E14 0.0 0.2- 061020 691 0.1+ 0.0
040422 704 0.2+ 0.2+ 040425 474 0.1+ 0.6+ 061020 691 1.1- 1.2+
040422 704 0.2+ 0.1+ 040425 474 0.5+ 0.2-
040422 704 0.4- 0.1- 040425 474 0.3- 1.5+
Ephemeris:
2004 HK12 a,e,i = 1.38, 0.05, 18 q = 1.3143
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2006 10 12 02 00.61 +21 28.4 0.411 1.393 160.9 13.5 19.3
2006 10 22 01 51.39 +13 56.1 0.392 1.386 176.6 2.4 18.6
2006 11 01 01 42.11 +05 54.0 0.394 1.379 166.8 9.5 19.0
2006 11 11 01 35.52 -01 14.2 0.418 1.372 151.5 20.2 19.5
2006 11 21 01 33.18 -06 37.1 0.459 1.365 138.2 28.8 20.0
2006 12 01 01 35.63 -10 06.4 0.512 1.359 127.2 35.3 20.4
2006 12 11 01 42.50 -12 00.1 0.571 1.352 118.2 39.9 20.7
2006 12 21 01 53.09 -12 40.4 0.634 1.346 110.7 43.2 21.0
2006 12 31 02 06.80 -12 26.7 0.697 1.340 104.4 45.3 21.3
2007 01 10 02 23.06 -11 34.4 0.759 1.334 99.1 46.7 21.5
2007 01 20 02 41.42 -10 14.4 0.819 1.329 94.5 47.6 21.7
2007 01 30 03 01.65 -08 34.9 0.877 1.325 90.5 48.0 21.8
2007 02 09 03 23.48 -06 43.0 0.931 1.321 87.0 48.2 22.0
Timothy B. Spahr (C) Copyright 2006 MPC M.P.E.C. 2006-U18
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