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M.P.E.C. 2008-E109 Issued 2008 Mar. 14, 13:38 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 JH43
Revision to MPEC 2007-N14
Additional Observations:
K07J43H C2008 03 08.41761 15 40 55.29 -16 31 40.7 20.9 R EE109734
K07J43H C2008 03 11.34177 15 40 51.39 -16 31 26.9 20.7 R EE109734
K07J43H C2008 03 14.44757 15 40 46.22 -16 31 09.6 21.3 R EE109673
K07J43H C2008 03 14.46018 15 40 46.20 -16 31 09.2 EE109673
K07J43H C2008 03 14.46910 15 40 46.17 -16 31 09.1 EE109673
K07J43H C2008 03 14.48218 15 40 46.14 -16 31 08.8 EE109673
Observer details:
673 Table Mountain Observatory, Wrightwood. Observer J. Young. 0.61-m f/16
Cassegrain + CCD.
734 Farpoint Observatory. Observers G. Hug, D. Tibbets. Measurer G. Hug.
0.7-m reflector + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees) and reference
080308 734 0.05+ 0.01- 080314 673 0.05+ 0.01- MPO124511
Orbital elements:
2007 JH43
Epoch 2008 May 14.0 TT = JDT 2454600.5 MPC
M 101.03639 (2000.0) P Q
n 0.00391459 Peri. 61.91171 -0.55585334 -0.78243550
a 39.8729478 Node 64.62320 +0.61097335 -0.61354960
e 0.0699368 Incl. 18.10355 +0.56368310 -0.10654378
P 252 H 5.1 G 0.15 U 7
Residuals in seconds of arc
070510 675 0.1+ 0.4+ 070617 675 0.1+ 0.1- 080311 734 0.5+ 0.2-
070510 675 0.1- 1.0+ 070617 675 0.1+ 0.3- 080314 673 0.1+ 0.1-
070511 675 0.3+ 0.2+ 070618 675 0.1+ 0.1- 080314 673 0.2+ 0.2+
070511 675 0.2- 0.5+ 070714 675 0.2- 0.2+ 080314 673 0.0 0.3+
070616 675 0.1+ 0.6- 070716 675 0.4- 0.2+ 080314 673 0.1- 0.5+
070617 675 0.1- 1.5- 080308 734 0.7- 0.3-
Ephemeris:
2007 JH43 a,e,i = 39.87, 0.07, 18 q = 37.084
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2008 03 05 15 40.98 -16 31.9 40.263 40.578 107.8 1.3 21.4
2008 03 15 15 40.75 -16 31.1 40.105 40.579 117.9 1.2 21.3
2008 03 25 15 40.37 -16 29.9 39.961 40.581 127.9 1.1 21.3
2008 04 04 15 39.84 -16 28.2 39.836 40.583 137.9 0.9 21.3
2008 04 14 15 39.20 -16 26.3 39.733 40.585 147.8 0.8 21.3
2008 04 24 15 38.46 -16 24.1 39.654 40.587 157.7 0.5 21.2
2008 05 04 15 37.65 -16 21.8 39.604 40.589 167.4 0.3 21.2
2008 05 14 15 36.80 -16 19.5 39.582 40.590 176.2 0.1 21.2
2008 05 24 15 35.94 -16 17.3 39.589 40.592 171.9 0.2 21.2
2008 06 03 15 35.10 -16 15.3 39.626 40.594 162.5 0.4 21.2
2008 06 13 15 34.31 -16 13.6 39.690 40.596 152.8 0.7 21.3
2008 06 23 15 33.61 -16 12.2 39.780 40.598 143.1 0.9 21.3
2008 07 03 15 33.00 -16 11.3 39.893 40.599 133.5 1.0 21.3
2008 07 13 15 32.51 -16 10.9 40.026 40.601 123.8 1.2 21.3
2008 07 23 15 32.16 -16 11.0 40.175 40.603 114.2 1.3 21.3
2008 08 02 15 31.97 -16 11.7 40.336 40.605 104.7 1.4 21.4
2008 08 12 15 31.93 -16 13.0 40.504 40.607 95.1 1.4 21.4
2008 08 22 15 32.06 -16 14.9 40.675 40.608 85.5 1.4 21.4
2008 09 01 15 32.35 -16 17.4 40.843 40.610 76.0 1.4 21.4
2008 09 11 15 32.80 -16 20.3 41.005 40.612 66.4 1.3 21.4
2008 09 21 15 33.39 -16 23.7 41.155 40.614 56.8 1.2 21.4
2008 10 01 15 34.12 -16 27.5 41.289 40.616 47.2 1.0 21.4
2008 10 11 15 34.97 -16 31.7 41.404 40.617 37.6 0.9 21.4
Brian G. Marsden (C) Copyright 2008 MPC M.P.E.C. 2008-E109
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