MPEC 2010-C51 : 2009 LS
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M.P.E.C. 2010-C51 Issued 2010 Feb. 14, 03:42 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 LS
Revision to MPEC 2009-L42
Additional Observations:
K09L00S C2010 02 13.09133 01 40 19.95 -07 07 46.4 19.5 R EC051926
K09L00S C2010 02 13.09955 01 40 22.04 -07 08 00.7 EC051926
K09L00S C2010 02 14.11443 01 44 48.62 -07 35 44.2 19.9 R EC051926
K09L00S C2010 02 14.11854 01 44 49.71 -07 35 51.5 19.8 R EC051926
K09L00S C2010 02 14.12265 01 44 50.75 -07 35 58.8 19.7 R EC051926
Observer details:
926 Tenagra II Observatory. Observers P. R. Holvorcem, M. Schwartz. Measurer
P. R. Holvorcem. 0.81-m f/7 Ritchey-Chretien + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
100213 926 29.1+ 55.4- 100214 926 28.9+ 56.6- MPO160910 -0.017 day
Orbital elements:
2009 LS Earth MOID = 0.0898 AU
Epoch 2010 Jan. 4.0 TT = JDT 2455200.5 MPC
M 346.42235 (2000.0) P Q
n 0.69447913 Peri. 176.23952 +0.33985997 -0.65457710
a 1.2628834 Node 252.77065 +0.84337533 +0.52987473
e 0.2912967 Incl. 44.99312 +0.41618897 -0.53922314
P 1.42 H 18.0 G 0.15 U 3
Residuals in seconds of arc
090612 703 0.5+ 0.6+ 090614 H26 0.1- 0.2- 090622 H83 0.2+ 0.1+
090612 703 0.2- 0.4+ 090614 H26 0.8+ 0.3- 090622 291 0.3- 0.1+
090612 703 0.4- 0.2+ 090614 H26 0.2- 0.3- 090622 291 0.3- 0.0
090612 703 0.1+ 0.1+ 090614 H26 0.0 0.3+ 090622 291 0.7+ 0.3-
090612 703 (0.5+ 1.6-) 090614 H26 0.2- 0.0 090623 H55 0.1- 0.1-
090612 703 0.1+ 1.5- 090614 291 0.0 0.1+ 090623 H55 0.1- 0.0
090612 703 0.9- 0.2+ 090614 291 0.2+ 0.3+ 090623 H55 0.0 0.2-
090612 595 0.5+ 0.4+ 090614 291 0.1+ 0.4- 090623 H55 0.0 0.1-
090612 A81 0.9+ 0.6+ 090615 932 0.0 0.5- 090626 J75 0.7+ 0.1-
090612 A81 0.1+ 0.5- 090615 932 0.1- 0.4+ 090626 J75 0.1- 0.1+
090612 595 0.4+ 0.4+ 090615 F65 0.2- 0.0 090626 J75 1.3+ 1.1-
090612 A81 0.6- 0.3- 090615 F65 0.0 0.2- 090628 587 0.0 0.4+
090612 611 0.5+ 0.2+ 090615 F65 0.0 0.3- 090628 587 0.1+ 1.0+
090612 611 0.6- 0.8+ 090615 F65 0.0 0.0 090628 587 0.4- 0.3-
090612 147 0.6- 0.2+ 090615 291 0.2- 0.1- 090628 587 0.2+ 0.6+
090612 A81 0.1- 0.3+ 090615 291 0.3- 0.0 090706 H55 0.2+ 0.1+
090612 611 0.1- 0.2+ 090615 291 0.0 0.1- 090706 H55 0.1+ 0.2+
090612 595 0.1- 0.1- 090615 160 0.2- 0.3+ 090706 H55 0.0 0.2+
090612 147 1.4- 0.4+ 090615 160 0.2- 0.2+ 090707 H55 0.4+ 0.1+
090612 147 0.6- 0.3+ 090616 J95 0.1+ 0.1- 090707 H55 0.1- 0.0
090612 176 0.2+ 0.3+ 090616 J95 0.1- 0.1+ 090707 H55 0.4- 0.0
090612 176 0.2- 0.1+ 090616 J95 0.2+ 0.1+ 090710 H55 0.2+ 0.2-
090612 176 0.2+ 0.2+ 090616 J95 0.1+ 0.3- 090710 H55 0.6+ 0.1+
090612 176 0.4- 0.1- 090616 291 0.3- 0.2+ 090710 H55 0.6+ 0.1-
090612 176 1.0- 0.7+ 090616 291 0.3- 0.1+ 090711 H55 0.2+ 0.7+
090612 204 0.0 0.1+ 090616 291 0.3- 0.1+ 090711 H55 0.3+ 0.2+
090612 232 0.5+ 0.6- 090616 J95 0.2+ 0.2+ 090711 H55 0.1- 1.0-
090612 204 0.1- 0.1+ 090616 J95 0.3+ 0.1- 090714 H55 0.0 0.2-
090612 232 0.6+ 0.5- 090616 J95 0.1- 0.1+ 090714 H55 0.1+ 0.0
090612 204 0.2- 0.2+ 090617 291 0.3- 0.5- 090714 H55 0.4+ 0.1+
090612 J41 0.9+ 0.8- 090617 291 0.3- 0.2+ 090716 H55 0.4- 0.4-
090612 232 0.5+ 0.1+ 090617 560 0.5+ 0.3+ 090716 H55 0.5+ 0.1+
090612 J41 0.4+ 0.5+ 090617 560 0.5+ 0.4+ 090716 H55 0.3+ 0.0
090612 232 0.3+ 0.4+ 090617 560 0.3+ 0.5+ 090720 H55 0.3+ 0.2+
090612 232 0.3+ 0.8+ 090618 H55 0.3+ 0.1- 090720 H55 0.4+ 0.2+
090612 J41 0.2+ 0.0 090618 H55 0.0 0.1- 090720 H55 0.3+ 0.2+
090612 J28 0.2+ 0.3- 090618 H55 0.1+ 0.1- 090723 H55 0.1- 0.3-
090613 510 0.5+ 0.7+ 090618 H55 0.2+ 0.0 090723 H55 0.0 0.1-
090613 510 1.3+ 0.6+ 090618 H55 0.1+ 0.1- 090723 H55 0.1+ 0.1-
090613 291 0.5- 0.0 090618 A48 0.8- 0.1- 090727 H55 0.2- 0.2+
090613 291 0.4- 0.1- 090618 A48 0.6- 0.2- 090727 H55 0.1- 0.1+
090613 291 0.2- 1.0- 090618 A48 0.6- 0.4+ 090727 H55 0.1+ 0.1+
090613 587 0.5+ 0.4+ 090618 A48 0.4- 0.9+ 090727 H55 0.2+ 0.0
090613 587 0.3+ 0.9+ 090619 H55 0.0 0.2- 090803 H55 0.8- 0.4-
090613 587 0.6+ 0.5+ 090619 H55 0.1+ 0.0 090803 H55 0.9- 0.6-
090613 A17 0.2+ 0.0 090619 H55 0.1+ 0.0 090803 H55 0.1+ 0.6+
090613 A17 0.6+ 0.1+ 090619 H55 0.1+ 0.1+ 090815 H55 0.0 0.7+
090613 A17 0.6+ 0.1+ 090619 291 0.1+ 0.7+ 090815 H55 0.1- 0.4+
090613 B03 0.1+ 1.1- 090619 291 0.3- 0.1+ 090815 H55 0.3- 0.0
090613 B03 0.2+ 0.3- 090619 291 0.7- 1.1- 100213 926 0.0 0.3+
090613 B03 0.4+ 0.3- 090621 560 0.8+ 0.9+ 100213 926 0.9- 0.4-
090614 147 0.2- 0.0 090621 560 0.6+ 0.3+ 100214 926 0.0 0.6+
090614 147 0.6- 0.6- 090621 560 1.3+ 0.4+ 100214 926 0.4+ 0.1-
090614 147 0.9+ 0.7- 090622 H83 0.1+ 0.1- 100214 926 0.0 0.7-
Ephemeris:
2009 LS a,e,i = 1.26, 0.29, 45 q = 0.8950
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2010 02 13 01 39.93 -07 05.1 0.899 0.917 57.9 65.9 19.9
2010 02 23 02 21.82 -11 21.7 0.942 0.942 58.3 63.4 20.0
2010 03 05 03 00.07 -14 58.0 0.986 0.975 59.1 60.8 20.1
2010 03 15 03 35.91 -17 55.1 1.026 1.013 60.2 58.4 20.2
2010 03 25 04 10.57 -20 17.7 1.060 1.056 61.7 56.2 20.3
2010 04 04 04 45.04 -22 10.8 1.089 1.101 63.5 54.3 20.4
2010 04 14 05 20.12 -23 38.2 1.112 1.147 65.5 52.7 20.5
2010 04 24 05 56.35 -24 43.0 1.132 1.194 67.6 51.1 20.5
2010 05 04 06 33.94 -25 27.0 1.153 1.240 69.7 49.7 20.6
2010 05 14 07 12.81 -25 51.1 1.177 1.284 71.4 48.2 20.7
2010 05 24 07 52.58 -25 56.8 1.209 1.327 72.8 46.8 20.8
2010 06 03 08 32.58 -25 46.2 1.250 1.368 73.5 45.3 20.9
2010 06 13 09 12.13 -25 22.1 1.302 1.406 73.5 43.8 21.0
2010 06 23 09 50.56 -24 49.1 1.367 1.442 72.8 42.3 21.1
2010 07 03 10 27.37 -24 11.2 1.443 1.474 71.3 40.8 21.2
2010 07 13 11 02.31 -23 32.2 1.529 1.504 69.1 39.2 21.4
2010 07 23 11 35.35 -22 55.2 1.623 1.531 66.4 37.4 21.5
2010 08 02 12 06.53 -22 21.4 1.723 1.555 63.1 35.6 21.6
Gareth V. Williams (C) Copyright 2010 MPC M.P.E.C. 2010-C51
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