MPEC 2009-L04 : 2009 LA
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M.P.E.C. 2009-L04 Issued 2009 June 1, 12:46 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 LA
Observations:
K09L00A* C2009 06 01.27736 16 24 18.79 -03 12 51.8 18.5 V EL004703
K09L00A C2009 06 01.28394 16 24 23.14 -03 10 24.2 18.3 V EL004703
K09L00A C2009 06 01.29066 16 24 27.61 -03 07 54.7 18.4 V EL004703
K09L00A C2009 06 01.29735 16 24 32.07 -03 05 28.2 18.7 V EL004703
K09L00A C2009 06 01.33921 16 24 59.42 -02 50 12.1 18.4 V EL004703
K09L00A C2009 06 01.34065 16 25 00.31 -02 49 41.7 EL004703
K09L00A C2009 06 01.34353 16 25 02.26 -02 48 38.1 18.5 V EL004703
K09L00A C2009 06 01.35302 16 25 08.27 -02 45 09.4 19.0 R EL004651
K09L00A C2009 06 01.35494 16 25 08.36 -02 44 42.6 18.4 R EL004H01
K09L00A C2009 06 01.35558 16 25 09.93 -02 44 13.8 18.8 R EL004651
K09L00A C2009 06 01.35797 16 25 10.36 -02 43 37.4 18.2 R EL004H01
K09L00A C2009 06 01.36136 16 25 13.70 -02 42 10.2 18.8 R EL004651
K09L00A C2009 06 01.36192 16 25 12.95 -02 42 13.3 18.3 R EL004H01
K09L00A C2009 06 01.36586 16 25 15.50 -02 40 49.2 18.5 R EL004H01
K09L00A C2009 06 01.37158 16 25 16.37 -02 39 15.2 18.4 R EL004H36
K09L00A C2009 06 01.37618 16 25 19.36 -02 37 38.1 18.8 R EL004H36
K09L00A C2009 06 01.38060 16 25 22.40 -02 36 05.2 18.9 R EL004H36
K09L00A C2009 06 01.38923 16 25 31.87 -02 32 25.3 18.9 V EL004703
K09L00A C2009 06 01.39247 16 25 33.99 -02 31 17.2 19.0 V EL004703
K09L00A C2009 06 01.39569 16 25 36.15 -02 30 09.7 18.5 V EL004703
Observer details:
651 Grasslands Observatory, Tucson. Observer J. E. McGaha. 0.62-m f/5.1
Newtonian reflector + CCD.
703 Catalina Sky Survey. Observer R. E. Hill. Measurers E. C. Beshore,
A. Boattini, G. J. Garradd, A. R. Gibbs, A. D. Grauer, R. E. Hill,
R. A. Kowalski, S. M. Larson, R. H. McNaught. 0.68-m Schmidt + CCD.
H01 Magdalena Ridge Observatory, Socorro. Observer W. H. Ryan. 2.4-m f/8.9
reflector + CCD.
H36 Sandlot Observatory, Scranton. Observer G. Hug. 0.56-m reflector + CCD.
Orbital elements:
2009 LA Earth MOID = 0.0071 AU
Epoch 2009 June 18.0 TT = JDT 2455000.5 MPC
M 53.43540 (2000.0) P Q
n 0.70851845 Peri. 288.60845 -0.97816859 -0.04568063
a 1.2461451 Node 249.18050 +0.10980474 -0.94185215
e 0.3103155 Incl. 12.52656 -0.17643450 -0.33290810
P 1.39 H 26.3 G 0.15 U 9
Residuals in seconds of arc
090601 703 0.4+ 0.2- 090601 651 0.0 0.1+ 090601 H36 1.9+ 0.2-
090601 703 0.3- 0.5+ 090601 H01 0.2- 0.2+ 090601 H36 0.4- 0.7-
090601 703 0.2- 0.6+ 090601 651 0.0 0.8+ 090601 H36 0.1- 1.4-
090601 703 0.3+ 1.2- 090601 H01 0.0 0.5+ 090601 703 0.6- 0.1+
090601 703 0.3- 0.3- 090601 651 0.5+ 0.8+ 090601 703 0.4- 0.2+
090601 703 0.9- 1.1- 090601 H01 0.0 0.2+ 090601 703 0.5+ 0.2+
090601 703 0.2+ 0.4+ 090601 H01 0.5- 0.3+
Ephemeris:
2009 LA a,e,i = 1.25, 0.31, 13 q = 0.8594
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2009 05 29 10 47.04 -60 53.2 0.00777 1.016 111.6 68.0 18.2
2009 05 30 14 50.98 -37 17.5 0.00832 1.021 154.0 25.8 17.1
2009 05 31 15 55.76 -15 28.6 0.0123 1.026 169.4 10.5 17.5
2009 06 01 16 20.05 -05 00.7 0.0175 1.031 162.6 17.1 18.5
2009 06 02 16 32.49 +00 32.1 0.0232 1.036 157.2 22.3 19.3
2009 06 03 16 40.01 +03 52.2 0.0290 1.040 153.8 25.5 19.9
2009 06 04 16 45.04 +06 03.9 0.0350 1.045 151.5 27.6 20.3
2009 06 05 16 48.64 +07 36.3 0.0409 1.050 149.9 29.0 20.7
2009 06 06 16 51.34 +08 44.0 0.0470 1.055 148.6 30.1 21.1
2009 06 07 16 53.44 +09 35.1 0.0530 1.060 147.6 30.8 21.4
2009 06 08 16 55.12 +10 14.7 0.0591 1.065 146.9 31.4 21.6
Timothy B. Spahr (C) Copyright 2009 MPC M.P.E.C. 2009-L04
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