MPEC 2008-X80 : 2007 DU103
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M.P.E.C. 2008-X80 Issued 2008 Dec. 12, 14:57 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
2007 DU103
Revision to MPEC 2007-F53
Additional Observations:
K07DA3U 2C2008 09 16.57083904 11 07.952+46 57 54.65 22.3 R EX080568
K07DA3U 2C2008 09 16.57459404 11 07.951+46 57 56.87 22.6 R EX080568
K07DA3U 2C2008 09 16.57928704 11 07.946+46 57 59.50 22.6 R EX080568
K07DA3U 2C2008 09 16.58246504 11 07.950+46 58 01.29 22.5 R EX080568
K07DA3U 2C2008 10 09.41541904 02 14.563+50 11 18.31 22.5 R EX080568
K07DA3U 2C2008 10 09.41943204 02 14.355+50 11 20.07 22.6 R EX080568
K07DA3U 2C2008 10 09.42703404 02 13.965+50 11 23.39 22.6 R EX080568
K07DA3U 2C2008 10 09.43028704 02 13.798+50 11 24.79 22.6 R EX080568
Observer details:
568 Mauna Kea. Observers D. J. Tholen, G. T. Elliott. 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, reference and Delta-T
080916 568 7.6+ 21.0+ 081009 568 7.8+ 23.8+ MPO119708 +0.026 day
Orbital elements:
2007 DU103 Earth MOID = 0.3739 AU
Epoch 2008 Nov. 30.0 TT = JDT 2454800.5 MPC
M 104.56112 (2000.0) P Q
n 0.25504517 Peri. 293.71509 +0.07209844 +0.98734048
a 2.4625854 Node 338.90157 -0.71070501 -0.04852732
e 0.5015255 Incl. 23.10897 -0.69978583 +0.15100952
P 3.86 H 17.5 G 0.15 U 2
Residuals in seconds of arc
070225 G96 0.1+ 0.2+ 070320 G96 0.1- 0.2- 070410 J95 0.3+ 1.1-
070225 G96 0.1- 0.3+ 070320 G96 0.0 0.0 070410 J95 1.0+ 0.9-
070225 G96 0.3+ 0.1- 070320 J95 0.3+ 0.1- 070411 291 0.3- 0.1+
070225 G96 0.1+ 0.1- 070320 J95 0.4- 0.1+ 070411 291 0.1+ 0.5+
070225 G96 0.2+ 0.0 070320 J95 0.2- 0.2+ 070411 291 0.0 0.2-
070225 G96 0.1+ 0.1- 070321 291 0.1- 0.3+ 070413 711 0.4+ 1.2+
070225 G96 0.0 0.2- 070321 291 0.3- 0.5+ 070413 711 0.3- 0.5+
070225 G96 0.5- 0.2- 070321 291 0.4- 0.4+ 070413 711 1.3+ 1.1+
070225 G96 0.2- 0.2- 070321 G96 0.1+ 0.1- 080916 568 0.0 0.0
070225 G96 0.1+ 0.2+ 070321 G96 0.0 0.1+ 080916 568 0.0 0.1+
070225 G96 0.4+ 0.3- 070321 G96 0.2- 0.2+ 080916 568 0.0 0.0
070225 G96 0.2+ 0.1- 070321 G96 0.2- 0.2- 080916 568 0.0 0.0
070320 G96 0.3- 0.2- 070321 658 0.2+ 0.2+ 081009 568 0.0 0.1-
070320 G96 0.1- 0.0 070321 658 0.9- 0.2+ 081009 568 0.0 0.0
070320 G96 0.4- 0.1- 070321 658 0.6- 0.2+ 081009 568 0.0 0.0
070320 G96 0.2- 0.0 070410 H55 0.1+ 0.1- 081009 568 0.0 0.0
070320 G96 0.0 0.2- 070410 H55 0.2- 0.1+
070320 G96 0.1- 0.0 070410 H55 0.5+ 0.6+
Ephemeris:
2007 DU103 a,e,i = 2.46, 0.50, 23 q = 1.2275
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2008 12 10 02 39.56 +48 48.3 2.421 3.245 140.9 11.0 22.7
2008 12 20 02 31.98 +47 17.5 2.520 3.277 133.7 12.5 22.8
2008 12 30 02 28.00 +45 46.8 2.639 3.308 125.5 14.0 23.0
2009 01 09 02 27.38 +44 23.1 2.775 3.337 116.9 15.2 23.2
2009 01 19 02 29.67 +43 10.4 2.924 3.365 108.3 16.1 23.3
Gareth V. Williams (C) Copyright 2008 MPC M.P.E.C. 2008-X80
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