MPEC 2007-R63 : 2004 DM44
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M.P.E.C. 2007-R63 Issued 2007 Sept. 13, 15:57 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
2004 DM44
Revision to MPEC 2004-D40
Additional Observations:
K04D44M C2007 09 12.27322 22 50 53.66 -10 30 10.6 19.5 V ER063G96
K04D44M C2007 09 12.27933 22 50 52.51 -10 30 10.0 19.6 V ER063G96
K04D44M C2007 09 12.28543 22 50 51.32 -10 30 09.5 19.2 V ER063G96
K04D44M C2007 09 12.29153 22 50 50.13 -10 30 08.7 19.7 V ER063G96
K04D44M C2007 09 12.32198 22 50 44.23 -10 30 05.6 19.8 V ER063G96
K04D44M C2007 09 12.32904 22 50 42.90 -10 30 04.7 19.0 V ER063G96
K04D44M C2007 09 12.33610 22 50 41.53 -10 30 03.9 19.1 V ER063G96
K04D44M C2007 09 12.34315 22 50 40.16 -10 30 03.1 19.0 V ER063G96
K04D44M C2007 09 12.88261 22 48 59.61 -10 29 10.4 19.4 V ER063A17
K04D44M C2007 09 12.89619 22 48 56.91 -10 29 07.5 19.1 V ER063A17
K04D44M C2007 09 12.91220 22 48 53.79 -10 29 07.1 19.3 V ER063A17
K04D44M IC2007 09 12.94130 22 48 48.21 -10 29 03.8 ER063J95
K04D44M C2007 09 12.94684 22 48 47.19 -10 29 03.9 ER063J95
K04D44M C2007 09 12.95065 22 48 46.42 -10 29 03.1 19.2 R ER063J95
K04D44M C2007 09 13.11483 22 48 15.67 -10 28 40.2 19.2 R ER063649
K04D44M C2007 09 13.11720 22 48 15.17 -10 28 38.8 19.3 R ER063649
K04D44M C2007 09 13.11958 22 48 14.70 -10 28 39.4 19.2 R ER063649
K04D44M C2007 09 13.12189 22 48 13.26 -10 28 19.4 18.9 R ER063I77
K04D44M C2007 09 13.12312 22 48 14.01 -10 28 39.4 19.5 R ER063649
K04D44M C2007 09 13.12500 22 48 12.64 -10 28 19.0 19.2 R ER063I77
K04D44M C2007 09 13.12811 22 48 11.92 -10 28 18.4 19.4 R ER063I77
K04D44M C2007 09 13.27042 22 47 44.73 -10 28 19.3 19.2 R ER063711
K04D44M C2007 09 13.27604 22 47 43.59 -10 28 18.5 19.4 R ER063711
K04D44M C2007 09 13.28165 22 47 42.47 -10 28 17.7 19.4 R ER063711
K04D44M 5C2007 09 13.33819 22 47 31.38 -10 28 12.0 19.4 R ER063673
K04D44M 5C2007 09 13.34306 22 47 30.40 -10 28 11.6 ER063673
K04D44M 5C2007 09 13.35278 22 47 28.44 -10 28 10.2 ER063673
K04D44M 5C2007 09 13.35706 22 47 27.59 -10 28 09.8 ER063673
Observer details:
649 Powell Observatory, Louisburg. Observer R. Trentman. 0.75-m Newtonian
reflector + CCD.
673 Table Mountain Observatory, Wrightwood. Observer J. Young. 0.61-m f/16
Cassegrain + CCD.
711 McDonald Observatory. Observer J. G. Ries. 0.76-m reflector + CCD
+ prime-focus corrector.
A17 Guidestar Observatory, Weinheim. Observers M. Emmerich, S. Melchert.
0.36-m f/6 Schmidt-Cassegrain + CCD.
G96 Mt. Lemmon Survey. Observer E. C. Beshore. 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.
I77 CEAMIG-REA Observatory, Belo Horizonte. Observers C. Jacques, E. Pimentel.
Measurer C. Jacques. 0.30-m f/3.0 Schmidt-Cassegrain + CCD.
J95 Great Shefford. Observer P. Birtwhistle. 0.40-m f/6.0 Schmidt-Cassegrain
+ CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
070912 G96 2.09- 1.31- 070913 673 2.11- 1.34- MPO 62513 +1.3 day
Orbital elements:
2004 DM44 PHA, Earth MOID = 0.0418 AU
Epoch 2007 Oct. 27.0 TT = JDT 2454400.5 MPC
M 351.31930 (2000.0) P Q
n 0.25288205 Peri. 95.52877 +0.05880965 -0.99785410
a 2.4766086 Node 350.94800 +0.82808434 +0.06486759
e 0.7113192 Incl. 10.54244 +0.55751031 +0.00891035
P 3.90 H 20.7 G 0.15 U 2
Residuals in seconds of arc
040225 704 0.7+ 0.0 040228 H06 0.3- 0.3- 070912 G96 0.3- 0.1+
040225 704 0.3+ 1.5+ 040303 413 0.3- 0.3- 070912 G96 0.2+ 0.1+
040225 704 0.7- 0.1+ 040303 413 0.2- 0.4- 070912 G96 0.0 0.0
040225 704 0.1- 0.9+ 040306 448 (0.3+ 2.2-) 070912 G96 0.1- 0.2+
040226 649 0.9- 0.6+ 040306 448 0.8- 1.1- 070912 G96 0.2- 0.2+
040226 649 0.6- 0.1- 040306 448 0.6+ 1.0- 070912 G96 0.3+ 0.3+
040226 649 0.1+ 0.0 040314 926 0.1- 0.4+ 070912 G96 0.2+ 0.4+
040226 649 0.6- 0.3- 040314 926 0.3- 0.4+ 070912 G96 0.1+ 0.4+
040226 H06 1.7+ 1.3+ 040314 926 0.2+ 0.1- 070912 A17 0.0 0.4-
040226 H06 0.9+ 0.2+ 040314 644 0.2- 0.3+ 070912 A17 0.6- 1.0+
040226 H06 0.2- 1.4- 040314 644 0.3- 0.3+ 070912 A17 0.2- 0.3-
040226 H36 0.1- 0.4+ 040314 644 0.3- 0.3+ 070912 J95 0.5- 0.0
040226 H36 1.7+ 0.7- 040314 246 0.1- 1.0+ 070912 J95 0.5+ 0.7-
040226 704 0.4+ 0.2+ 040314 246 0.1- 0.3+ 070912 J95 0.2+ 0.3-
040226 704 0.0 0.2- 040314 246 0.2+ 0.5+ 070913 649 0.3+ 0.3-
040226 704 1.1- 0.3+ 040314 246 1.4+ 0.5- 070913 649 0.2- 0.9+
040226 926 1.5+ 0.3+ 040314 246 0.4+ 0.0 070913 649 0.2- 0.0
040226 926 0.1+ 0.4+ 040314 246 0.4+ 0.4- 070913 I77 0.6+ 0.3-
040226 926 0.5- 0.0 040314 246 0.3+ 0.3- 070913 649 0.0 0.3-
040226 704 0.4- 0.6+ 040317 704 0.9+ 0.7- 070913 I77 0.7+ 0.3-
040226 704 0.7- 0.5+ 040317 704 0.8+ 0.8+ 070913 I77 0.7- 0.1-
040226 704 1.0+ 0.5- 040317 704 0.3+ 0.6+ 070913 711 0.3- 0.6+
040226 704 0.2+ 0.2+ 040317 704 0.0 0.4- 070913 711 0.4- 0.7+
040226 704 0.1+ 0.6- 040321 671 0.0 0.0 070913 711 0.2- 0.8+
040227 649 0.5- 0.6- 040321 671 0.3- 0.0 070913 673 0.2- 0.5+
040227 649 1.3- 0.9- 040321 671 0.0 0.2- 070913 673 0.1- 0.3+
040227 649 0.6- 0.2- 040329 413 0.6- 0.3- 070913 673 0.1- 0.4+
040227 649 0.7- 0.4- 040329 413 0.6- 0.1+ 070913 673 0.1+ 0.2+
040228 H06 0.2+ 0.4- 040401 926 0.3+ 0.1+
040228 H06 0.0 0.1+ 040401 926 1.4- 0.4+
Ephemeris:
2004 DM44 a,e,i = 2.48, 0.71, 11 q = 0.7149
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2007 09 07 23 05.38 -10 34.5 0.447 1.454 175.6 3.0 20.1
2007 09 17 22 34.74 -10 17.3 0.351 1.345 162.8 12.8 19.8
2007 09 27 21 49.23 -09 01.7 0.277 1.235 142.8 29.4 19.7
2007 10 07 20 46.47 -05 57.0 0.225 1.124 118.5 51.4 19.6
2007 10 17 19 26.56 -00 33.8 0.195 1.016 90.1 78.8 19.9
2007 10 27 17 53.68 +05 54.8 0.191 0.914 60.1 109.5 21.0
Timothy B. Spahr (C) Copyright 2007 MPC M.P.E.C. 2007-R63
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