MPEC 2009-E45 : 2009 EN2
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M.P.E.C. 2009-E45 Issued 2009 Mar. 7, 16:05 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 EN2
Observations:
K09E02N* C2009 03 03.52237 17 52 06.78 +38 09 22.5 19.7 V EE045703
K09E02N C2009 03 03.52478 17 52 07.82 +38 09 26.5 19.6 V EE045703
K09E02N C2009 03 03.52725 17 52 08.90 +38 09 27.5 19.4 V EE045703
K09E02N C2009 03 03.52968 17 52 09.76 +38 09 34.0 20.1 V EE045703
K09E02N C2009 03 03.53419 17 52 11.65 +38 09 40.4 EE045703
K09E02N C2009 03 03.53471 17 52 11.81 +38 09 41.1 19.4 V EE045703
K09E02N C2009 03 06.13096 18 10 21.20 +39 09 12.3 EE045J95
K09E02N C2009 03 06.13708 18 10 23.79 +39 09 20.4 EE045J95
K09E02N C2009 03 06.14145 18 10 25.61 +39 09 26.2 EE045J95
K09E02N C2009 03 06.16881 18 10 37.14 +39 10 01.2 19.5 R EE045J95
K09E02N C2009 03 07.43835 18 19 32.56 +39 35 28.8 20.2 R EE045854
K09E02N C2009 03 07.49448 18 19 55.95 +39 36 33.6 19.6 V EE045G96
K09E02N C2009 03 07.49722 18 19 57.14 +39 36 36.7 20.0 V EE045G96
K09E02N C2009 03 07.50237 18 19 59.26 +39 36 43.0 19.9 V EE045G96
K09E02N C2009 03 07.50510 18 20 00.42 +39 36 46.0 19.6 V EE045G96
K09E02N C2009 03 07.51026 18 20 02.61 +39 36 51.6 19.4 V EE045G96
K09E02N C2009 03 07.51300 18 20 03.69 +39 36 55.2 19.9 V EE045G96
K09E02N C2009 03 07.51815 18 20 05.85 +39 37 01.1 19.9 V EE045G96
K09E02N C2009 03 07.52091 18 20 07.00 +39 37 04.2 19.6 V EE045G96
Observer details:
703 Catalina Sky Survey. Observer R. A. Kowalski. 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.
854 Sabino Canyon Observatory, Tucson. Observer J. E. McGaha. 0.36-m f/10.0
Schmidt-Cassegrain + CCD.
G96 Mt. Lemmon Survey. Observer A. D. Grauer. 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. 1.5-m reflector + CCD.
J95 Great Shefford. Observer P. Birtwhistle. 0.40-m f/6.0 Schmidt-Cassegrain
+ CCD.
Orbital elements:
2009 EN2 Earth MOID = 0.1710 AU
Epoch 2008 Nov. 30.0 TT = JDT 2454800.5 MPC
M 278.20645 (2000.0) P Q
n 0.50251405 Peri. 140.85344 +0.37323633 +0.82412331
a 1.5668854 Node 144.06971 -0.92236463 +0.28028528
e 0.5078466 Incl. 46.55622 +0.09969021 -0.49220010
P 1.96 H 18.0 G 0.15 U 9
Residuals in seconds of arc
090303 703 0.1- 0.3+ 090306 J95 0.1- 0.0 090307 G96 0.0 0.0
090303 703 0.5+ 0.6+ 090306 J95 0.2- 0.2+ 090307 G96 0.4+ 0.4-
090303 703 1.2+ 2.1- 090306 J95 0.6+ 0.0 090307 G96 0.3- 0.0
090303 703 0.5- 0.7+ 090307 854 0.8+ 0.9+ 090307 G96 0.2- 0.1-
090303 703 0.2- 0.3+ 090307 G96 0.4- 0.1- 090307 G96 0.2- 0.2-
090303 703 0.8- 0.2+ 090307 G96 0.1+ 0.2-
090306 J95 0.4- 0.2- 090307 G96 0.2- 0.1+
Ephemeris:
2009 EN2 a,e,i = 1.57, 0.51, 47 q = 0.7711
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2009 02 28 17 27.86 +36 33.3 0.744 1.198 86.1 55.6 19.8
2009 03 05 18 02.41 +38 44.5 0.742 1.157 82.3 58.2 19.8
2009 03 10 18 37.52 +40 19.2 0.748 1.117 78.4 60.6 19.8
2009 03 15 19 12.24 +41 15.2 0.761 1.076 74.3 62.8 19.8
2009 03 20 19 45.74 +41 34.1 0.778 1.037 70.3 64.8 19.8
2009 03 25 20 17.41 +41 19.7 0.798 0.998 66.5 66.4 19.8
2009 03 30 20 46.97 +40 36.4 0.820 0.960 62.8 67.7 19.9
Timothy B. Spahr (C) Copyright 2009 MPC M.P.E.C. 2009-E45
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