MPEC 2008-J69 : COMET C/2008 J4 (McNAUGHT)
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M.P.E.C. 2008-J69 Issued 2008 May 13, 17:22 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
COMET C/2008 J4 (McNAUGHT)
Observations:
CK08J040 C2008 05 10.79355 23 26 34.26 -07 36 56.3 16.5 T EJ069E12
CK08J040 C2008 05 10.79889 23 26 35.26 -07 36 30.0 16.5 T EJ069E12
CK08J040 C2008 05 10.80414 23 26 36.34 -07 36 04.2 15.6 T EJ069E12
CK08J040 C2008 05 10.80946 23 26 37.60 -07 35 38.9 17.0 T EJ069E12
CK08J040 C2008 05 11.75559 23 30 05.65 -06 16 53.3 17 T EJ069E12
CK08J040 C2008 05 11.81381 23 30 18.41 -06 11 56.9 16.7 T EJ069E12
CK08J040 C2008 05 12.60429 23 33 19.97 -05 03 02.1 EJ069F85
CK08J040 C2008 05 12.61878 23 33 23.40 -05 01 45.6 EJ069F85
CK08J040 C2008 05 12.63332 23 33 26.84 -05 00 25.9 EJ069F85
CK08J040 C2008 05 12.76170 23 33 56.59 -04 49 02.5 16.3 T EJ069E12
CK08J040 C2008 05 13.60455 23 37 18.25 -03 31 56.4 EJ069F85
CK08J040 C2008 05 13.62570 23 37 23.50 -03 29 59.7 EJ069F85
Observer details:
E12 Siding Spring Survey. Observer R. H. McNaught. 0.5-m Uppsala Schmidt
+ CCD.
F85 Tiki Observatory, Punaauia. Observer N. Teamo. Measurer J. C. Pelle.
0.41-m f/8.0 Ritchey-Chretien + CCD.
Orbital elements:
C/2008 J4 (McNaught)
T 2008 June 19.441 TT MPC
q 0.44485 (2000.0) P Q
Peri. 93.709 +0.005226 -0.328398
Node 289.109 -0.332321 +0.890284
e 1.0 Incl. 88.396 +0.943152 +0.315513
From 11 observations 2008 May 10-13.
Ephemeris:
C/2008 J4 (McNaught)
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2008 05 04 23 05.02 -15 27.5 1.167 1.141 62.8 51.8 15.9
2008 05 09 23 20.34 -09 56.6 1.038 1.052 61.8 57.8 15.3
2008 05 14 23 38.92 -02 54.8 0.921 0.961 59.5 64.9 14.6
2008 05 19 00 02.44 +06 01.9 0.822 0.870 55.5 73.4 14.0
2008 05 24 00 33.58 +16 59.7 0.753 0.779 49.8 82.7 13.3
2008 05 29 01 16.20 +29 06.7 0.726 0.690 42.9 91.4 12.7
2008 06 03 02 14.16 +40 05.6 0.752 0.606 36.4 96.1 12.2
2008 06 08 03 25.96 +47 11.9 0.829 0.531 31.5 93.9 11.8
2008 06 13 04 38.83 +49 17.0 0.949 0.475 27.7 84.0 11.6
Brian G. Marsden (C) Copyright 2008 MPC M.P.E.C. 2008-J69
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