MPEC 2009-L21 : 2005 OU2
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M.P.E.C. 2009-L21 Issued 2009 June 5, 16:45 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
2005 OU2
Revision to MPEC 2005-O46
Additional Observations:
K05O02U C2009 05 22.33824 20 43 20.83 +23 17 05.3 22.2 V EL021H55
K05O02U C2009 05 22.34796 20 43 20.97 +23 17 08.1 22.0 V EL021H55
K05O02U C2009 05 22.35663 20 43 21.10 +23 17 10.5 21.7 V EL021H55
K05O02U C2009 06 05.35271 20 43 13.39 +24 00 26.3 21.6 V EL021H55
K05O02U C2009 06 05.36596 20 43 13.01 +24 00 27.4 21.8 V EL021H55
Observer details:
H55 Astronomical Research Observatory, Charleston. Observer R. Holmes.
Measurer P. Miller. 0.81-m f/4.0 astrograph + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
090522 H55 3.4- 2.5+ 090605 H55 4.2- 2.5+ MPO 97787 +0.0022 day
Orbital elements:
2005 OU2 Earth MOID = 0.1239 AU
Epoch 2009 June 18.0 TT = JDT 2455000.5 MPC
M 222.03599 (2000.0) P Q
n 0.71820962 Peri. 310.15854 +0.01647139 -0.80842368
a 1.2349098 Node 127.38918 +0.98137779 +0.12570437
e 0.3735615 Incl. 47.77634 -0.19138004 +0.57502136
P 1.37 H 19.0 G 0.15 U 2
Residuals in seconds of arc
050729 E12 (0.5- 1.8+) 050730 E12 0.1- 0.1- 050813 E12 0.0 0.1+
050729 E12 0.0 0.6- 050730 E12 0.1+ 0.4- 050813 E12 0.4+ 0.1-
050729 E12 0.4- 0.4+ 050730 E12 0.5- 0.1- 050813 E12 0.1+ 0.7-
050729 E12 0.1- 0.0 050730 E12 0.2+ 0.5+ 050813 E12 0.4+ 0.1+
050729 E12 0.2+ 0.6+ 050730 E12 0.3+ 0.3+ 050912 474 0.4+ 0.5-
050729 E12 1.4+ 0.6- 050730 E12 0.3- 0.6- 050912 474 0.1+ 0.2+
050729 E12 1.0- 0.6- 050730 E12 (0.4+ 1.9-) 051021 413(10.7- 20.2-)
050729 E12 0.5+ 0.4+ 050730 E12 0.2+ 0.8+ 051228 J95 0.1+ 0.0
050729 E12 1.3- 0.2- 050730 E12 0.2+ 0.4+ 051228 J95 (1.1+ 2.0+)
050730 734 0.2+ 0.1- 050730 E12 0.2- 0.3+ 051228 J95 0.3- 0.2-
050730 734 1.4+ 1.0+ 050730 E12 0.1+ 0.9- 051228 696 (2.1+ 0.8+)
050730 734 0.5+ 0.7- 050801 E12 0.2+ 0.1+ 051228 696 1.5+ 0.5+
050730 E12 0.4+ 0.4+ 050801 E12 0.4- 0.2+ 090522 H55 0.4- 0.2+
050730 E12 0.3+ 0.6+ 050801 E12 0.2- 0.0 090522 H55 0.4- 0.1+
050730 E12 (0.5+ 1.8+) 050805 E12 0.1+ 0.9- 090522 H55 0.3- 0.1-
050730 E12 0.2- 0.2- 050805 E12 0.3+ 0.1- 090605 H55 0.8+ 0.4-
050730 E12 0.3- 0.3- 050805 E12 0.7- 0.4+ 090605 H55 0.4- 0.1-
050730 E12 0.3- 0.6+ 050805 E12 0.5+ 0.3-
050730 E12 0.6- 0.3+ 050813 E12 0.3- 0.1+
Ephemeris:
2005 OU2 a,e,i = 1.23, 0.37, 48 q = 0.7736
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2009 05 29 20 44.31 +23 44.4 1.130 1.668 102.0 36.5 21.9
2009 06 08 20 42.20 +24 01.5 1.008 1.651 109.4 35.4 21.6
2009 06 18 20 34.91 +23 34.1 0.888 1.630 117.6 33.5 21.2
2009 06 28 20 21.24 +21 54.0 0.774 1.606 127.0 30.4 20.8
2009 07 08 20 00.45 +18 20.8 0.672 1.577 137.2 25.9 20.3
2009 07 18 19 32.94 +12 10.8 0.592 1.545 146.5 21.3 19.8
2009 07 28 19 01.21 +03 09.3 0.545 1.509 149.0 20.3 19.6
2009 08 07 18 29.82 -07 39.6 0.538 1.469 140.4 26.1 19.7
2009 08 17 18 03.14 -18 16.3 0.568 1.425 126.5 34.8 20.0
2009 08 27 17 43.72 -27 17.6 0.626 1.378 112.6 42.6 20.3
2009 09 06 17 31.99 -34 30.9 0.698 1.327 100.5 48.3 20.6
2009 09 16 17 27.11 -40 19.4 0.775 1.272 90.3 52.2 20.9
2009 09 26 17 28.09 -45 09.7 0.847 1.215 81.7 54.7 21.1
2009 10 06 17 33.94 -49 22.3 0.908 1.155 74.4 56.5 21.1
2009 10 16 17 43.94 -53 10.7 0.954 1.094 68.1 57.8 21.2
2009 10 26 17 57.71 -56 43.5 0.981 1.031 63.0 59.2 21.1
Sonia Keys (C) Copyright 2009 MPC M.P.E.C. 2009-L21
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