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M.P.E.C. 2008-L41 Issued 2008 June 10, 01:24 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 NC7
Revision to MPEC 2007-R25
Additional Observations:
K07N07C C2007 08 20.20228 20 56 18.06 -18 45 30.0 21.0 R EL041675
K07N07C C2007 08 20.24391 20 56 17.71 -18 45 30.2 20.8 R EL041675
K07N07C C2007 08 21.19766 20 56 09.39 -18 45 58.6 20.9 R EL041675
K07N07C C2007 08 21.24138 20 56 08.99 -18 45 59.8 20.9 R EL041675
K07N07C C2008 06 07.41506 21 22 13.68 -16 26 24.3 EL041675
K07N07C C2008 06 09.41025 21 22 07.77 -16 26 47.3 EL041675
Observer details:
675 Palomar Mountain. Observers M. E. Schwamb, M. E. Brown, D. Rabinowitz.
1.2-m Oschin Schmidt + CCD, 1.5-m f/8.5 Cassegrain + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees) and reference
070820 675 0.6- 0.2- 080609 675 0.15- 0.05- MPO124513
Orbital elements:
2007 NC7
Epoch 2008 May 14.0 TT = JDT 2454600.5 MPC
M 21.32705 (2000.0) P Q
n 0.00502899 Peri. 287.94621 -0.30415808 +0.95045038
a 33.7403053 Node 324.14373 -0.82722075 -0.29698142
e 0.4938933 Incl. 6.30029 -0.47243380 -0.09190275
P 195.99 H 8.5 G 0.15 U 4
Residuals in seconds of arc
070711 675 0.1- 0.0 070807 675 0.3+ 0.8- 070821 675 0.1- 0.4+
070711 675 0.2- 0.2+ 070807 675 0.4- 0.0 070821 675 0.1+ 0.0
070712 675 0.1- 1.1+ 070807 675 0.2+ 0.2- 070821 675 0.3+ 0.1+
070712 675 0.0 0.0 070820 675 0.5- 0.4- 080607 675 0.3+ 0.0
070724 675 0.0 0.7- 070820 675 0.2- 0.7+ 080609 675 0.3- 0.0
070724 675 0.3+ 0.4- 070821 675 0.1+ 0.3+
070724 675 0.3+ 0.2- 070821 675 0.1+ 0.1-
Ephemeris:
2007 NC7 a,e,i = 33.74, 0.49, 6 q = 17.076
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2008 06 03 21 22.40 -16 25.7 20.414 20.860 114.8 2.5 21.9
2008 06 13 21 21.93 -16 27.6 20.283 20.875 124.5 2.3 21.9
2008 06 23 21 21.18 -16 30.7 20.168 20.890 134.2 2.0 21.9
2008 07 03 21 20.18 -16 34.8 20.074 20.905 144.0 1.6 21.8
2008 07 13 21 18.99 -16 39.7 20.003 20.920 153.9 1.2 21.8
2008 07 23 21 17.65 -16 45.2 19.958 20.935 163.7 0.8 21.7
2008 08 02 21 16.20 -16 51.0 19.941 20.950 173.6 0.3 21.7
2008 08 12 21 14.72 -16 56.9 19.954 20.965 176.3 0.2 21.7
2008 08 22 21 13.25 -17 02.6 19.996 20.981 166.4 0.7 21.7
2008 09 01 21 11.87 -17 07.7 20.067 20.996 156.4 1.1 21.8
2008 09 11 21 10.63 -17 12.2 20.165 21.011 146.4 1.5 21.8
2008 09 21 21 09.59 -17 15.7 20.287 21.026 136.4 1.9 21.9
2008 10 01 21 08.78 -17 18.1 20.432 21.041 126.4 2.2 21.9
2008 10 11 21 08.25 -17 19.2 20.593 21.056 116.4 2.4 22.0
2008 10 21 21 08.02 -17 19.1 20.768 21.071 106.4 2.6 22.0
2008 10 31 21 08.10 -17 17.5 20.951 21.087 96.5 2.7 22.0
2008 11 10 21 08.51 -17 14.6 21.138 21.102 86.6 2.7 22.0
2008 11 20 21 09.23 -17 10.3 21.322 21.117 76.7 2.6 22.0
2008 11 30 21 10.26 -17 04.7 21.501 21.132 66.8 2.5 22.1
2008 12 10 21 11.56 -16 57.8 21.667 21.148 57.0 2.2 22.1
2008 12 20 21 13.11 -16 49.9 21.818 21.163 47.3 2.0 22.1
2008 12 30 21 14.87 -16 41.1 21.950 21.178 37.5 1.6 22.0
Brian G. Marsden (C) Copyright 2008 MPC M.P.E.C. 2008-L41
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