MPEC 2009-B11 : 2007 EJ26
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M.P.E.C. 2009-B11 Issued 2009 Jan. 17, 19:19 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
2007 EJ26
Revision to MPEC 2007-E61
Additional Observations:
K07E26J C2009 01 04.58793 09 59 39.99 -34 43 30.2 19.9 R EB011E12
K07E26J C2009 01 16.72053 09 53 44.26 -33 31 46.1 EB011E12
K07E26J C2009 01 17.70041 09 52 58.72 -33 20 58.1 20.1 R EB011E12
K07E26J C2009 01 17.71649 09 52 57.90 -33 20 47.1 EB011E12
K07E26J C2009 01 17.73611 09 52 56.92 -33 20 33.4 EB011E12
Observer details:
E12 Siding Spring Survey. Observer R. H. McNaught. 0.5-m Uppsala Schmidt
+ CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
090104 E12 41.6+ 33.9+ 090117 E12 49.1+ 29.5+ MPO119711 -0.029 day
Orbital elements:
2007 EJ26 Earth MOID = 0.2603 AU
Epoch 2008 Nov. 30.0 TT = JDT 2454800.5 MPC
M 36.94187 (2000.0) P Q
n 0.46859139 Peri. 224.34150 +0.75208318 -0.65836532
a 1.6416221 Node 176.40613 +0.65336049 +0.75083815
e 0.2685913 Incl. 29.04223 -0.08655026 -0.05288835
P 2.10 H 18.4 G 0.15 U 3
Residuals in seconds of arc
070311 703 1.4- 0.3+ 070312 673 0.3- 0.7- 070316 246 0.1+ 0.6+
070311 703 2.4- 0.8- 070312 673 0.2- 0.0 070316 246 0.1+ 0.2+
070311 703 0.3+ 0.7- 070312 673 0.3+ 0.7- 070317 699 0.1- 0.6-
070311 703 0.1- 0.3+ 070312 246 0.2- 0.1+ 070317 699 0.0 2.0-
070311 703 0.7- 0.7- 070312 246 0.4+ 0.5+ 070317 699 0.2+ 0.4+
070311 703 0.3- 0.1+ 070312 246 0.1- 0.3+ 070317 699 1.1- 1.5+
070311 703 0.5- 0.1+ 070312 246 0.1+ 0.1+ 070320 448 0.4- 0.0
070311 703 0.5- 0.4- 070313 246 0.5+ 0.0 070320 448 0.1- 0.1+
070311 473 0.1- 0.5+ 070313 246 0.3+ 0.2+ 070320 448 0.2- 0.3+
070311 473 0.3- 0.0 070313 246 0.3+ 0.2+ 070325 448 0.7+ 0.9-
070311 473 1.0- 0.5- 070313 246 0.4+ 0.8- 070325 448 0.4+ 0.1-
070311 246 0.0 0.5+ 070313 246 0.8+ 0.3- 070325 448 0.3+ 0.0
070311 246 0.3- 0.5+ 070313 246 0.9- 0.1+ 070326 G96 0.1- 0.4-
070311 246 0.5+ 0.1- 070313 246 0.4- 0.3- 070326 G96 0.1- 0.1-
070311 246 0.2+ 0.0 070314 246 1.0+ 0.5+ 070326 G96 0.3- 0.1-
070311 246 0.3+ 0.1- 070314 246 0.8+ 0.2+ 070326 G96 0.4- 0.2-
070311 246 0.0 0.2- 070314 246 1.6+ 1.4+ 070405 A13 1.5- 1.2+
070311 246 0.3- 1.2- 070314 246 0.9+ 0.1- 070405 A13 1.4- 0.6+
070312 H55 0.6- 0.4- 070314 246 0.1+ 0.4+ 070417 H55 0.1+ 0.2-
070312 H55 0.2- 0.3- 070314 246 0.7+ 0.0 070417 H55 0.5+ 0.4+
070312 H55 0.3- 0.7- 070315 703 0.6- 0.2+ 070417 H55 0.1- 0.2-
070312 H55 0.7- 0.2- 070315 703 0.9- 0.9+ 070418 291 0.1+ 0.1-
070312 H55 0.2- 0.4- 070315 703 0.7- 0.2+ 070418 291 0.2- 0.2+
070312 H55 0.4- 0.3- 070315 703 1.0- 1.7+ 070418 291 0.1+ 0.5-
070312 850 0.1+ 0.9- 070315 246 0.9+ 0.4+ 090104 E12 0.2- 0.2-
070312 850 0.2- 0.1- 070315 246 0.1+ 0.5+ 090116 E12 0.8- 0.9+
070312 850 0.5+ 0.6+ 070315 246 1.2+ 0.3- 090117 E12 0.1- 0.0
070312 850 0.9+ 1.3- 070315 246 0.9+ 1.0+ 090117 E12 0.2+ 0.2-
070312 854 2.6+ 0.9+ 070315 246 0.7+ 0.8+ 090117 E12 0.8+ 0.3-
070312 854 0.6- 0.5+ 070315 246 0.8+ 0.4-
070312 673 0.5+ 1.1- 070315 246 0.8+ 0.5+
Ephemeris:
2007 EJ26 a,e,i = 1.64, 0.27, 29 q = 1.2007
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2009 01 09 09 58.29 -34 29.9 0.811 1.492 112.2 37.6 20.3
2009 01 19 09 51.91 -33 05.3 0.772 1.529 120.7 33.6 20.2
2009 01 29 09 41.82 -30 12.8 0.740 1.567 130.0 28.8 20.0
2009 02 08 09 29.95 -25 44.7 0.722 1.604 139.2 23.7 19.8
2009 02 18 09 18.70 -19 54.7 0.723 1.640 146.3 19.5 19.8
2009 02 28 09 10.12 -13 19.3 0.750 1.676 148.4 18.0 19.8
2009 03 10 09 05.53 -06 46.7 0.802 1.711 144.4 19.7 20.1
2009 03 20 09 05.20 -00 56.1 0.879 1.744 136.8 23.0 20.4
2009 03 30 09 08.81 +03 53.3 0.977 1.777 128.1 26.2 20.8
2009 04 09 09 15.79 +07 38.2 1.090 1.808 119.5 28.8 21.1
2009 04 19 09 25.44 +10 24.7 1.215 1.837 111.4 30.6 21.5
2009 04 29 09 37.17 +12 21.8 1.348 1.865 103.8 31.6 21.7
2009 05 09 09 50.48 +13 38.1 1.485 1.892 96.8 32.0 22.0
A. U. Tomatic (C) Copyright 2009 MPC M.P.E.C. 2009-B11
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