MPEC 2010-C04 : 2004 YK1
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M.P.E.C. 2010-C04 Issued 2010 Feb. 2, 18:35 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
2004 YK1
Revision to MPEC 2004-Y27
Additional Observations:
K04Y01K 2C2010 01 18.30651402 52 17.749+12 31 23.18 23.4 R EC004568
K04Y01K 2C2010 01 18.31371902 52 17.883+12 31 27.58 23.1 R EC004568
K04Y01K 2C2010 01 19.22770002 52 39.302+12 41 02.26 23.2 R EC004568
K04Y01K 2C2010 01 19.23450102 52 39.444+12 41 06.58 23.1 R EC004568
Observer details:
568 Mauna Kea. Observers M. Micheli, G. T. Elliott, D. J. Tholen. Measurer
D. J. Tholen. 2.24-m University of Hawaii reflector.
First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
100118 568 45.7- 23.6- 100119 568 45.3- 23.5- MPO 77796 +0.035 day
Orbital elements:
2004 YK1 Earth MOID = 0.1851 AU
Epoch 2010 Jan. 4.0 TT = JDT 2455200.5 MPC
M 308.30774 (2000.0) P Q
n 0.38095501 Peri. 77.03429 -0.98294552 -0.10717459
a 1.8846046 Node 96.66703 +0.04351791 -0.92509953
e 0.4157076 Incl. 8.65332 +0.17867373 -0.36428625
P 2.59 H 21.3 G 0.15 U 0
Residuals in seconds of arc
041218 G96 0.7- 0.1+ 050102 941 0.1+ 1.0- 050501 941 0.3+ 0.3+
041218 G96 0.4- 0.4- 050102 941 0.2+ 0.7- 050501 941 0.1+ 0.4+
041218 G96 (0.6- 1.5-) 050102 941 0.4+ 1.0- 050501 941 0.0 0.4+
041218 G96 (1.5- 1.0-) 050102 941 0.5+ 0.8- 050501 941 0.1- 0.2+
041219 G96 0.7- 0.3- 050102 941 0.8+ 0.6- 050501 941 0.2- 0.3-
041219 G96 (1.9- 1.8-) 050109 448 0.2+ 0.2- 050506 695 0.5- 0.6+
041219 G96 0.2- 0.5- 050109 448 0.1+ 0.2- 050506 695 0.2- 0.4+
041219 G96 0.1- 0.2- 050109 448 0.3+ 0.4- 050511 198 0.2+ 0.4+
041219 G96 (0.5+ 1.6-) 050119 696 0.4- 0.6+ 050511 198 0.1+ 0.5+
041219 G96 0.4+ 0.4- 050119 696 0.2- 0.7+ 050511 198 0.0 0.7+
041219 G96 (0.2+ 1.9+) 050119 696 0.5- 0.0 050511 198 (0.2- 1.6+)
041220 673 0.6- 0.4- 050215 H36 0.6- 0.8- 050511 198 (0.3- 1.7+)
041220 673 0.1+ 0.3+ 050215 H36 0.2+ 0.4+ 100118 568 0.0 0.1+
041220 673 0.2- 0.2- 050327 448 0.5+ 0.6+ 100118 568 0.0 0.0
041220 673 0.5+ 0.3+ 050327 448 0.4+ 0.3- 100119 568 0.1- 0.1+
050102 941 0.4+ 1.1- 050327 448 0.4+ 0.4- 100119 568 0.1- 0.2+
Ephemeris:
2004 YK1 a,e,i = 1.88, 0.42, 9 q = 1.1012
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2010 02 03 03 03.56 +15 30.5 1.073 1.506 94.0 40.8 23.9
2010 02 13 03 16.10 +17 36.9 1.109 1.450 87.3 42.9 24.0
2010 02 23 03 32.49 +19 48.5 1.139 1.394 81.5 44.6 24.0
2010 03 05 03 52.54 +22 00.7 1.161 1.340 76.5 46.0 24.0
2010 03 15 04 16.16 +24 09.1 1.176 1.289 72.3 47.3 24.0
Gareth V. Williams (C) Copyright 2010 MPC M.P.E.C. 2010-C04
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