MPEC 2008-D34 : 2007 JK43
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M.P.E.C. 2008-D34 Issued 2008 Feb. 25, 19:12 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 JK43
Revision to MPEC 2007-N14
Additional Observations:
K07J43K C2008 02 13.32221 15 18 54.59 -21 25 47.6 ED034304
K07J43K C2008 02 14.31123 15 18 56.59 -21 25 36.3 ED034304
K07J43K C2008 02 14.31575 15 18 56.60 -21 25 36.2 ED034304
Observer details:
304 Las Campanas Observatory. Observer S. S. Sheppard. 2.5-m du Pont
reflector + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees) and reference
080213 304 0.05+ 0.01- 080214 304 0.05+ 0.01- MPO121880
Orbital elements:
2007 JK43
Epoch 2008 May 14.0 TT = JDT 2454600.5 MPC
M 355.95958 (2000.0) P Q
n 0.00310143 Peri. 10.29591 -0.48181167 +0.66755999
a 46.5687870 Node 233.60364 -0.84574313 -0.52377082
e 0.4940541 Incl. 44.84647 -0.22929472 +0.52917652
P 318 H 7.6 G 0.15 U 5
Residuals in seconds of arc
070510 675 0.0 0.0 070608 675 0.4+ 0.3+ 080213 304 0.0 0.0
070510 675 0.1+ 0.0 070703 675 0.2+ 0.1- 080214 304 0.0 0.0
070511 675 0.3- 0.4- 070704 675 0.4- 0.1+ 080214 304 0.0 0.0
070511 675 0.1- 0.0 070704 675 0.2- 0.4-
070608 675 0.3+ 0.4+ 070705 675 0.1+ 0.2+
Ephemeris:
2007 JK43 a,e,i = 46.57, 0.49, 45 q = 23.561
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2008 02 24 15 19.11 -21 23.2 23.591 23.811 101.6 2.3 21.6
2008 03 05 15 19.00 -21 19.4 23.423 23.807 111.7 2.2 21.6
2008 03 15 15 18.60 -21 14.5 23.265 23.804 121.8 2.0 21.6
2008 03 25 15 17.94 -21 08.5 23.123 23.800 131.9 1.8 21.5
2008 04 04 15 17.05 -21 01.4 23.001 23.797 142.0 1.5 21.5
2008 04 14 15 15.96 -20 53.3 22.903 23.793 152.1 1.1 21.4
2008 04 24 15 14.73 -20 44.4 22.831 23.790 162.1 0.7 21.4
2008 05 04 15 13.41 -20 34.9 22.788 23.786 171.9 0.3 21.3
2008 05 14 15 12.05 -20 24.9 22.774 23.783 176.6 0.1 21.3
2008 05 24 15 10.71 -20 14.8 22.790 23.780 167.5 0.5 21.4
2008 06 03 15 09.45 -20 04.8 22.835 23.776 157.7 0.9 21.4
2008 06 13 15 08.30 -19 55.1 22.907 23.773 147.8 1.3 21.5
2008 06 23 15 07.33 -19 45.9 23.004 23.770 138.1 1.6 21.5
2008 07 03 15 06.56 -19 37.5 23.123 23.766 128.3 1.9 21.5
2008 07 13 15 06.03 -19 29.9 23.259 23.763 118.6 2.2 21.6
2008 07 23 15 05.75 -19 23.4 23.410 23.760 109.0 2.3 21.6
2008 08 02 15 05.75 -19 18.0 23.569 23.757 99.4 2.4 21.6
2008 08 12 15 06.03 -19 13.8 23.734 23.754 89.9 2.4 21.6
2008 08 22 15 06.58 -19 10.7 23.898 23.751 80.4 2.4 21.6
2008 09 01 15 07.41 -19 08.8 24.058 23.747 70.9 2.3 21.6
2008 09 11 15 08.48 -19 08.0 24.209 23.744 61.5 2.1 21.6
2008 09 21 15 09.79 -19 08.3 24.346 23.741 52.0 1.9 21.6
2008 10 01 15 11.30 -19 09.4 24.466 23.738 42.6 1.6 21.6
2008 10 11 15 12.99 -19 11.2 24.565 23.735 33.1 1.3 21.6
Brian G. Marsden (C) Copyright 2008 MPC M.P.E.C. 2008-D34
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