MPEC 2010-B59 : 2009 EN2
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M.P.E.C. 2010-B59 Issued 2010 Jan. 29, 17:22 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
Revision to MPEC 2009-E45
Additional Observations:
K09E02N 2C2010 01 19.25162204 33 49.012-36 14 03.93 22.3 R EB059568
K09E02N 2C2010 01 19.25464604 33 48.919-36 13 59.61 22.4 R EB059568
K09E02N 2C2010 01 19.25796604 33 48.828-36 13 54.77 22.2 R EB059568
K09E02N 2C2010 01 19.26106504 33 48.728-36 13 50.32 22.7 R EB059568
K09E02N 2C2010 01 19.26386204 33 48.651-36 13 46.33 22.5 R EB059568
K09E02N 2C2010 01 27.27294004 31 26.373-32 59 07.03 22.6 R EB059568
K09E02N 2C2010 01 27.27816904 31 26.322-32 58 59.18 22.8 R EB059568
Observer details:
568 Mauna Kea. Observers M. Micheli, G. T. Elliott, D. J. Tholen. Measurer
D. J. Tholen. 2.24-m University of Hawaii reflector.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
100119 568 0.04- 0.02- 100127 568 0.04- 0.02- MPO157520 -0.010 day
Orbital elements:
2009 EN2 Earth MOID = 0.1393 AU
Epoch 2010 Jan. 4.0 TT = JDT 2455200.5 MPC
M 109.99831 (2000.0) P Q
n 0.46122875 Peri. 138.08230 +0.34809967 +0.83650487
a 1.6590462 Node 144.87117 -0.92794687 +0.24332373
e 0.5252921 Incl. 47.34458 +0.13319622 -0.49097166
P 2.14 H 18.4 G 0.15 U 3
Residuals in seconds of arc
090303 703 0.7- 0.8- 090307 G96 0.1+ 0.3- 090319 291 0.6+ 0.7+
090303 703 0.1- 0.4- 090307 G96 0.6+ 0.4- 090409 H55 0.1- 1.9+
090303 703 (0.6+ 3.1-) 090307 G96 0.3+ 0.0 090409 H55 0.4- 0.3-
090303 703 1.1- 0.3- 090307 G96 0.5+ 0.2- 100119 568 0.0 0.0
090303 703 0.8- 0.7- 090307 G96 0.9+ 0.6- 100119 568 0.0 0.0
090303 703 1.4- 0.8- 090307 G96 0.2+ 0.2- 100119 568 0.1+ 0.1+
090306 J95 0.1- 0.3- 090307 G96 0.3+ 0.3- 100119 568 0.0 0.1+
090306 J95 0.2+ 0.1- 090307 G96 0.3+ 0.3- 100119 568 0.0 0.1+
090306 J95 0.0 0.1+ 090319 J95 0.2+ 0.3- 100127 568 0.1- 0.2-
090306 J95 0.8+ 0.0 090319 J95 1.5- 0.9+ 100127 568 0.0 0.0
090307 854 1.3+ 0.7+ 090319 291 0.8+ 0.1+
Ephemeris:
2009 EN2 a,e,i = 1.66, 0.53, 47 q = 0.7876
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2010 01 24 04 32.11 -34 19.1 1.886 2.317 103.1 24.5 22.7
2010 02 03 04 31.26 -30 14.3 1.981 2.348 99.1 24.5 22.9
2010 02 13 04 33.61 -26 13.2 2.086 2.377 94.5 24.5 23.0
Sonia Keys (C) Copyright 2010 MPC M.P.E.C. 2010-B59
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