MPEC 2009-E07 : 2009 DJ46
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M.P.E.C. 2009-E07 Issued 2009 Mar. 1, 23:22 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 DJ46
Observations:
K09D46J* C2009 02 28.26816 11 56 52.15 +07 45 51.3 18.7 EE007704
K09D46J C2009 02 28.28011 11 56 26.74 +07 37 54.3 19.4 EE007704
K09D46J C2009 02 28.29198 11 56 01.50 +07 30 00.3 19.2 EE007704
K09D46J C2009 02 28.30358 11 55 36.91 +07 22 20.3 19.2 EE007704
K09D46J C2009 02 28.95498 11 35 55.34 +00 45 14.6 EE007J95
K09D46J C2009 02 28.95676 11 35 52.31 +00 44 14.2 EE007J95
K09D46J C2009 02 28.95854 11 35 49.31 +00 43 16.6 18.0 R EE007J95
K09D46J C2009 02 28.98541 11 35 00.55 +00 28 48.3 18.1 R EE007473
K09D46J C2009 03 01.01715 11 34 07.56 +00 11 18.6 18.2 V EE007A17
K09D46J C2009 03 01.02216 11 33 59.09 +00 08 35.8 18.4 V EE007A17
K09D46J C2009 03 01.02891 11 33 47.70 +00 04 56.3 18.2 V EE007A17
K09D46J C2009 03 01.15597 11 30 29.39 -00 57 06.2 18.5 R EE007I77
K09D46J C2009 03 01.15654 11 30 28.43 -00 57 23.9 18.3 R EE007I77
K09D46J C2009 03 01.15712 11 30 27.45 -00 57 41.9 18.3 R EE007I77
K09D46J C2009 03 01.21106 11 29 15.81 -01 29 46.5 18.6 R EE007H01
K09D46J C2009 03 01.21329 11 29 12.27 -01 30 55.0 19.0 R EE007H01
K09D46J C2009 03 01.21626 11 29 07.53 -01 32 25.9 19.1 R EE007H01
K09D46J C2009 03 01.22206 11 28 58.31 -01 35 23.2 18.2 R EE007H01
K09D46J C2009 03 01.22494 11 28 53.73 -01 36 51.3 18.3 R EE007H01
K09D46J tC2009 03 01.24026 11 28 30.55 -01 44 29.2 19.0 V EE007291
K09D46J tC2009 03 01.24393 11 28 24.70 -01 46 22.1 19.0 V EE007291
K09D46J tC2009 03 01.24760 11 28 18.73 -01 48 15.3 19.0 V EE007291
K09D46J C2009 03 01.25765 11 27 58.50 -01 53 45.4 18.9 R EE007H36
K09D46J C2009 03 01.26215 11 27 51.37 -01 56 01.3 18.8 R EE007H36
K09D46J C2009 03 01.26662 11 27 44.19 -01 58 15.8 18.8 R EE007H36
K09D46J C2009 03 01.28897 11 27 13.12 -02 09 01.5 18.4 R EE007854
K09D46J C2009 03 01.29098 11 27 10.06 -02 10 01.6 18.4 R EE007854
K09D46J C2009 03 01.29298 11 27 06.80 -02 11 00.6 18.4 R EE007854
Observer details:
291 LPL/Spacewatch II. Observer M. T. Read. 1.8-m f/2.7 reflector + CCD.
473 Remanzacco. Observers L. Donato, M. Gonano, V. Gonano, E. Guido,
V. Santini, G. Sostero. 0.45-m f/4.4 Newtonian reflector + CCD.
704 Lincoln Laboratory ETS, New Mexico. Observers M. Bezpalko, D. Torres,
R. Kracke, G. Spitz, J. Kistler. Measurers J. Stuart, S. Scruggs. 1.0-m
f/2.15 reflector + CCD.
854 Sabino Canyon Observatory, Tucson. Observer J. E. McGaha. 0.36-m f/10.0
Schmidt-Cassegrain + CCD.
A17 Guidestar Observatory, Weinheim. Observers M. Emmerich, S. Melchert.
0.36-m f/6 Schmidt-Cassegrain + CCD.
H01 Magdalena Ridge Observatory, Socorro. Observers W. H. Ryan, E. V. Ryan.
Measurer W. H. Ryan. 2.4-m f/8.9 reflector + CCD.
H36 Sandlot Observatory, Scranton. Observer G. Hug. 0.56-m reflector + CCD.
I77 CEAMIG-REA Observatory, Belo Horizonte. Observers C. Jacques, E. Pimentel.
Measurer C. Jacques. 0.30-m f/3.0 reflector + CCD.
J95 Great Shefford. Observer P. Birtwhistle. 0.40-m f/6.0 Schmidt-Cassegrain
+ CCD.
Orbital elements:
2009 DJ46 Earth MOID = 0.0214 AU
Epoch 2008 Nov. 30.0 TT = JDT 2454800.5 MPC
M 334.92971 (2000.0) P Q
n 0.68872240 Peri. 111.56591 -0.05495621 -0.99269213
a 1.2699109 Node 340.63051 +0.75357339 +0.02935403
e 0.3211488 Incl. 18.90079 +0.65506256 -0.11704991
P 1.43 H 25.6 G 0.15 U 7
Residuals in seconds of arc
090228 704 0.3- 0.1- 090301 A17 0.4- 0.9- 090301 291 0.3- 0.7-
090228 704 0.2+ 0.3+ 090301 I77 0.1+ 0.4- 090301 291 (2.5- 2.5-)
090228 704 0.0 0.7- 090301 I77 0.1- 0.2- 090301 H36 0.1+ 0.2-
090228 704 0.2+ 0.4+ 090301 I77 0.4- 0.1- 090301 H36 0.4+ 0.2-
090228 J95 0.2- 0.6+ 090301 H01 0.1+ 0.3+ 090301 H36 1.0- 0.1+
090228 J95 0.0 0.8- 090301 H01 0.3+ 0.2+ 090301 854 0.2- 0.4-
090228 J95 0.5+ 0.5+ 090301 H01 0.1+ 0.3+ 090301 854 1.5+ 0.3-
090228 473 0.5- 0.5- 090301 H01 0.3+ 0.5+ 090301 854 0.0 0.5+
090301 A17 0.4- 0.5- 090301 H01 0.3+ 0.4+
090301 A17 0.4- 0.4- 090301 291 0.0 0.7+
Ephemeris:
2009 DJ46 a,e,i = 1.27, 0.32, 19 q = 0.8621
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2009 02 28 12 06.19 +10 53.8 0.0258 1.015 159.5 20.0 18.7
2009 03 01 11 34.61 +00 24.8 0.0296 1.020 166.2 13.4 18.8
2009 03 02 11 11.29 -07 23.2 0.0345 1.024 164.5 15.0 19.2
2009 03 03 10 53.73 -13 02.7 0.0403 1.029 160.1 19.2 19.7
2009 03 04 10 40.20 -17 11.0 0.0465 1.034 155.9 23.1 20.1
2009 03 05 10 29.55 -20 16.2 0.0530 1.039 152.4 26.3 20.5
2009 03 06 10 21.01 -22 37.6 0.0598 1.044 149.5 28.8 20.8
2009 03 07 10 14.05 -24 27.8 0.0667 1.049 147.2 30.8 21.1
2009 03 08 10 08.30 -25 55.3 0.0737 1.054 145.3 32.4 21.4
2009 03 09 10 03.49 -27 05.8 0.0809 1.059 143.6 33.8 21.7
2009 03 10 09 59.44 -28 03.4 0.0880 1.064 142.2 34.9 21.9
Timothy B. Spahr (C) Copyright 2009 MPC M.P.E.C. 2009-E07
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