MPEC 2005-M12 : COMET C/2004 PY42 (CINEOS)
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M.P.E.C. 2005-M12 Issued 2005 June 17, 18:11 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.
Supported in part by the Brinson Foundation
Prepared using the Tamkin Foundation Computer Network
MPC@CFA.HARVARD.EDU
URL http://cfa-www.harvard.edu/iau/mpc.html ISSN 1523-6714
COMET C/2004 PY42 (CINEOS)
Observations:
CK04P42Y C2005 06 07.37737 21 30 39.14 -06 22 58.1 21.5 N EM012290
CK04P42Y C2005 06 07.44318 21 30 38.91 -06 22 54.6 EM012290
CK04P42Y C2005 06 08.40047 21 30 35.73 -06 22 06.1 EM012290
CK04P42Y C2005 06 08.45922 21 30 35.50 -06 22 03.3 EM012290
CK04P42Y C2005 06 17.38718 21 29 53.10 -06 15 42.6 20.9 N EM012291
CK04P42Y C2005 06 17.43278 21 29 52.84 -06 15 41.2 20.8 N EM012291
Observer details:
290 Mt. Graham. Observers S. C. Tegler, W. Romanishin. Measurer
W. Romanishin. 1.8-m Vatican Advanced Technology Telescope + CCD.
291 LPL/Spacewatch II. Observer A. S. Descour. 1.8-m f/2.7 reflector + CCD.
Orbital elements:
C/2004 PY42 (CINEOS)
Epoch 2001 May 11.0 TT = JDT 2452040.5
T 2001 Apr. 24.21652 TT MPC
q 11.7882878 (2000.0) P Q
n 0.01521384 Peri. 344.04821 +0.18544557 +0.93735035
a 16.1303376 Node 295.84355 -0.86194832 +0.01104295
e 0.2691853 Incl. 19.12957 -0.47186336 +0.34821313
P 64.78
From 51 observations 2002 June 12-2005 June 17, mean residual 0".32.
Ephemeris:
C/2004 PY42 (CINEOS)
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2005 06 09 21 30.56 -06 21.6 11.947 12.411 115.0 4.3 20.7
2005 06 19 21 29.72 -06 14.8 11.813 12.419 124.6 3.9 20.7
2005 06 29 21 28.44 -06 10.6 11.696 12.427 134.2 3.4 20.6
2005 07 09 21 26.78 -06 09.1 11.599 12.435 143.9 2.8 20.6
2005 07 19 21 24.79 -06 10.1 11.525 12.442 153.4 2.1 20.5
2005 07 29 21 22.58 -06 13.3 11.478 12.450 162.6 1.4 20.5
2005 08 08 21 20.24 -06 18.3 11.459 12.458 169.9 0.8 20.4
2005 08 18 21 17.87 -06 24.8 11.469 12.467 169.7 0.8 20.4
2005 08 28 21 15.60 -06 32.3 11.509 12.475 162.2 1.4 20.5
2005 09 07 21 13.51 -06 40.1 11.577 12.483 152.9 2.1 20.5
2005 09 17 21 11.71 -06 47.9 11.672 12.491 143.2 2.8 20.6
2005 09 27 21 10.29 -06 55.1 11.790 12.499 133.3 3.3 20.7
2005 10 07 21 09.30 -07 01.1 11.929 12.507 123.4 3.8 20.7
2005 10 17 21 08.81 -07 05.6 12.084 12.516 113.5 4.2 20.8
2005 10 27 21 08.82 -07 08.3 12.251 12.524 103.7 4.4 20.8
2005 11 06 21 09.35 -07 08.8 12.425 12.532 93.9 4.5 20.9
2005 11 16 21 10.40 -07 06.9 12.601 12.541 84.3 4.5 20.9
2005 11 26 21 11.93 -07 02.5 12.774 12.549 74.7 4.4 20.9
2005 12 06 21 13.92 -06 55.7 12.939 12.558 65.2 4.1 20.9
2005 12 16 21 16.30 -06 46.2 13.093 12.566 55.8 3.7 20.9
2005 12 26 21 19.03 -06 34.4 13.232 12.575 46.5 3.3 20.9
2006 01 05 21 22.06 -06 20.1 13.351 12.583 37.3 2.7 20.9
Brian G. Marsden (C) Copyright 2005 MPC M.P.E.C. 2005-M12
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