MPEC 2009-F55 : 2009 EC
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M.P.E.C. 2009-F55 Issued 2009 Mar. 21, 18:30 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 EC
Additional Observations:
K09E00C C2009 03 21.44196 16 10 13.29 +01 45 17.7 19.1 V EF055703
K09E00C C2009 03 21.44802 16 10 13.62 +01 45 01.2 18.9 V EF055703
K09E00C C2009 03 21.45402 16 10 13.87 +01 44 41.3 19.2 V EF055703
K09E00C 1C2009 03 21.48683 16 10 15.59 +01 42 58.8 EF055658
K09E00C 1C2009 03 21.48904 16 10 15.70 +01 42 52.2 EF055658
K09E00C 1C2009 03 21.49123 16 10 15.81 +01 42 45.6 EF055658
K09E00C C2009 03 21.49980 16 10 15.98 +01 42 23.5 18.7 V EF055703
K09E00C C2009 03 21.50034 16 10 15.99 +01 42 22.1 19.1 V EF055703
K09E00C C2009 03 21.50087 16 10 15.99 +01 42 20.8 19.1 V EF055703
K09E00C C2009 03 21.50141 16 10 16.03 +01 42 19.0 19.3 V EF055703
Observer details:
658 National Research Council of Canada. Observers D. D. Balam, E. Chisholm.
Measurer D. D. Balam. 1.82-m Plaskett telescope + CCD.
703 Catalina Sky Survey. Observer A. Boattini. 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.
Orbital elements:
2009 EC Earth MOID = 0.2055 AU
Epoch 2009 June 18.0 TT = JDT 2455000.5 MPC
M 8.86648 (2000.0) P Q
n 0.42073342 Peri. 225.71437 -0.33965619 +0.89372926
a 1.7638624 Node 28.72314 -0.59071861 +0.03975667
e 0.3620871 Incl. 37.57497 -0.73190518 -0.44684160
P 2.34 H 18.4 G 0.15 U 8
Residuals in seconds of arc
090301 703 0.1+ 0.1+ 090301 703 0.3- 0.1+ 090321 658 0.4+ 0.2-
090301 703 0.4- 0.8+ 090302 J95 0.2+ 0.1+ 090321 658 0.4+ 0.1-
090301 703 0.9- 0.6- 090302 J95 0.2- 0.0 090321 658 0.5+ 0.2-
090301 703 0.2+ 0.3- 090302 J95 0.1- 0.1- 090321 703 0.0 0.5-
090301 703 0.4+ 0.6+ 090321 703 0.5- 0.0 090321 703 0.2- 0.3-
090301 703 0.5+ 0.9- 090321 703 0.3+ 1.6+ 090321 703 0.5- 0.0
090301 703 0.4+ 0.8+ 090321 703 0.1- 0.3- 090321 703 0.3- 0.1-
Ephemeris:
2009 EC a,e,i = 1.76, 0.36, 38 q = 1.1252
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2009 03 20 16 08.93 +02 55.1 0.494 1.298 117.2 43.0 19.1
2009 03 30 16 16.58 -07 10.7 0.383 1.256 124.6 40.9 18.4
2009 04 09 16 20.24 -24 10.6 0.296 1.219 131.7 37.8 17.7
2009 04 19 16 15.47 -49 48.6 0.254 1.186 130.8 39.9 17.4
2009 04 29 15 31.28 -76 10.3 0.274 1.160 117.6 50.3 17.8
2009 05 09 07 20.55 -83 05.5 0.337 1.140 104.2 59.1 18.4
2009 05 19 05 48.66 -73 04.7 0.418 1.129 95.1 63.2 19.0
2009 05 29 05 35.00 -66 45.4 0.500 1.125 89.4 64.2 19.4
2009 06 08 05 30.54 -62 53.8 0.576 1.130 85.9 63.6 19.7
2009 06 18 05 28.34 -60 34.5 0.641 1.144 84.1 62.1 19.9
2009 06 28 05 26.35 -59 21.1 0.693 1.165 83.6 60.2 20.1
2009 07 08 05 23.19 -59 00.1 0.731 1.193 84.4 58.0 20.2
2009 07 18 05 17.64 -59 24.5 0.756 1.226 86.3 55.8 20.3
2009 07 28 05 07.82 -60 31.4 0.768 1.265 89.3 53.4 20.3
2009 08 07 04 50.77 -62 13.8 0.770 1.308 93.3 50.7 20.3
2009 08 17 04 22.25 -64 16.3 0.765 1.353 98.2 47.8 20.3
2009 08 27 03 36.75 -66 03.3 0.758 1.401 103.9 44.4 20.2
2009 09 06 02 32.95 -66 26.7 0.755 1.450 109.9 40.8 20.2
2009 09 16 01 22.78 -64 14.4 0.762 1.500 115.4 37.2 20.2
2009 09 26 00 25.18 -59 12.6 0.787 1.551 119.6 34.2 20.3
2009 10 06 23 47.44 -52 18.1 0.834 1.601 121.3 32.3 20.4
2009 10 16 23 25.88 -44 43.7 0.906 1.650 120.2 31.5 20.6
2009 10 26 23 15.32 -37 20.0 1.001 1.699 116.8 31.5 20.9
2009 11 05 23 11.96 -30 33.5 1.116 1.747 111.9 31.8 21.2
2009 11 15 23 13.34 -24 31.7 1.248 1.794 106.0 32.0 21.5
2009 11 25 23 18.02 -19 12.5 1.394 1.839 99.7 31.9 21.8
Timothy B. Spahr (C) Copyright 2009 MPC M.P.E.C. 2009-F55
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