MPEC 2001-S44: COMET C/2001 Q4 (NEAT)
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M.P.E.C. 2001-S44 Issued 2001 Sept. 26, 16:12 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://cfa-www.harvard.edu/iau/mpc.html ISSN 1523-6714
COMET C/2001 Q4 (NEAT)
Observations:
CK01Q040 C2001 08 31.72519 02 43 40.21 -25 35 52.1 19.3 T 402
CK01Q040 C2001 08 31.72755 02 43 40.24 -25 35 52.1 402
CK01Q040 C2001 08 31.72991 02 43 40.17 -25 35 53.8 402
CK01Q040 C2001 09 06.39133 02 42 39.82 -26 05 01.3 644
CK01Q040 C2001 09 06.41278 02 42 39.51 -26 05 06.7 644
CK01Q040 C2001 09 06.43443 02 42 39.14 -26 05 14.5 644
CK01Q040 C2001 09 07.40779 02 42 27.37 -26 10 14.6 644
CK01Q040 C2001 09 07.42896 02 42 27.12 -26 10 21.6 644
CK01Q040 C2001 09 07.45084 02 42 26.87 -26 10 27.0 644
CK01Q040 C2001 09 09.45241 02 42 01.31 -26 20 45.0 644
CK01Q040 C2001 09 09.50431 02 42 00.58 -26 21 01.1 644
CK01Q040 C2001 09 09.79740 02 41 56.65 -26 22 34.9 422
CK01Q040 C2001 09 10.39849 02 41 48.62 -26 25 41.6 19.7 T 644
CK01Q040 C2001 09 10.40981 02 41 48.42 -26 25 45.1 20.2 T 644
CK01Q040 C2001 09 10.42067 02 41 48.31 -26 25 48.6 19.4 T 644
CK01Q040 C2001 09 10.47832 02 41 47.53 -26 26 06.1 19.1 T 644
CK01Q040 C2001 09 10.48959 02 41 47.35 -26 26 08.8 19.1 T 644
CK01Q040 C2001 09 10.50780 02 41 47.12 -26 26 15.1 19.4 T 644
CK01Q040 C2001 09 10.52510 02 41 46.92 -26 26 18.3 422
CK01Q040 C2001 09 10.52758 02 41 46.89 -26 26 19.3 422
CK01Q040 C2001 09 10.53332 02 41 46.84 -26 26 20.5 18.2 T 422
CK01Q040 C2001 09 13.75754 02 41 00.11 -26 42 54.9 19.0 N 422
CK01Q040 C2001 09 13.75833 02 41 00.06 -26 42 55.8 19.1 N 422
CK01Q040 C2001 09 13.75907 02 41 00.16 -26 42 55.6 19.0 N 422
CK01Q040 C2001 09 15.52925 02 40 32.62 -26 51 58.2 19.0 N 422
CK01Q040 C2001 09 15.53086 02 40 32.62 -26 51 58.5 18.8 N 422
CK01Q040 C2001 09 15.76391 02 40 28.85 -26 53 10.0 19.2 N 422
CK01Q040 C2001 09 15.76479 02 40 28.81 -26 53 10.0 19.1 N 422
CK01Q040 2001 09 16.75799 02 40 12.74 -26 58 14.7 18.5 T 372
CK01Q040 C2001 09 18.52896 02 39 42.91 -27 07 11.8 18.8 T 422
CK01Q040 C2001 09 18.52896 02 39 42.91 -27 07 11.8 18.8 T 422
CK01Q040 C2001 09 18.52979 02 39 42.91 -27 07 11.4 19.0 T 422
CK01Q040 C2001 09 18.52979 02 39 42.91 -27 07 11.4 19.0 T 422
CK01Q040 C2001 09 19.10177 02 39 32.95 -27 10 06.0 17.6 T 046
CK01Q040 C2001 09 19.10402 02 39 32.87 -27 10 07.0 046
CK01Q040 C2001 09 19.10743 02 39 32.74 -27 10 07.5 046
CK01Q040 C2001 09 19.10929 02 39 32.82 -27 10 08.2 046
CK01Q040 C2001 09 19.11117 02 39 32.80 -27 10 08.6 046
CK01Q040 C2001 09 21.07707 02 38 57.60 -27 20 00.5 21.0 T 620
CK01Q040 C2001 09 21.08418 02 38 57.46 -27 20 03.9 20.0 T 620
CK01Q040 C2001 09 21.10030 02 38 57.21 -27 20 07.6 20.0 T 620
CK01Q040 C2001 09 21.11649 02 38 56.98 -27 20 12.1 20.0 T 620
CK01Q040 C2001 09 24.71015 02 37 48.69 -27 37 56.3 18.1 T 428
CK01Q040 C2001 09 25.64171 02 37 30.27 -27 42 28.2 18.3 T 428
CK01Q040 C2001 09 25.64770 02 37 30.09 -27 42 30.1 18.4 T 428
CK01Q040 C2001 09 25.65365 02 37 29.92 -27 42 31.6 18.2 T 428
Observer details:
046 Klet. Observers M. Tichy, M. Kocer. 0.57-m f/5.2 reflector + CCD.
372 Geisei. Observer T. Seki. 0.60-m f/3.5 reflector.
402 Dynic Astronomical Observatory. Observer A. Sugie. 0.60-m f/3.7 reflector
+ CCD.
422 Loomberah. Observer G. J. Garradd. 0.45-m f/5.4 reflector + CCD.
428 Reedy Creek. Observer J. Broughton. 0.25-m f/6.3 Schmidt-Cassegrain
+ CCD.
620 Observatorio Astronomico de Mallorca. Observers S. Sanchez, J. Rodriguez.
0.4-m f/4.5 reflector + CCD.
644 Palomar Mountain/NEAT. Observers E. F. Helin, S. Pravdo, K. Lawrence,
M. Hicks, E. Hovland, T. Bickler, J. Schroeder, L. Scherr, R. Thicksten,
A. Deetz. 1.2-m Schmidt + CCD. The Sept. 10 positions revise those on
IAUC 7711.
Orbital elements:
C/2001 Q4 (NEAT)
T 2004 May 16.318 TT Marsden
q 0.95852 (2000.0) P Q
Peri. 1.302 -0.866479 -0.063075
Node 210.138 -0.466470 -0.251045
e 1.0 Incl. 99.486 -0.177818 +0.965918
From 61 observations 2001 Aug. 24-Sept. 25.
Ephemeris:
C/2001 Q4 (NEAT)
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2001 09 18 02 39.87 -27 04.5 9.239 9.922 130.6 4.4 18.3
2001 09 28 02 36.70 -27 53.8 9.111 9.849 135.3 4.1 18.2
2001 10 08 02 32.92 -28 39.4 9.008 9.775 138.2 3.9 18.2
2001 10 18 02 28.65 -29 19.5 8.930 9.701 138.7 3.9 18.1
2001 10 28 02 24.05 -29 52.6 8.877 9.627 136.9 4.0 18.1
2001 11 07 02 19.31 -30 17.5 8.849 9.552 132.9 4.4 18.0
2001 11 17 02 14.63 -30 33.5 8.845 9.477 127.3 4.8 18.0
2001 11 27 02 10.21 -30 40.2 8.861 9.402 120.6 5.2 18.0
2001 12 07 02 06.24 -30 37.9 8.895 9.327 113.2 5.6 17.9
2001 12 17 02 02.87 -30 27.4 8.942 9.251 105.4 5.9 17.9
2001 12 27 02 00.22 -30 09.5 8.998 9.176 97.3 6.1 17.9
2002 01 06 01 58.37 -29 45.6 9.058 9.099 89.3 6.2 17.9
2002 01 16 01 57.35 -29 16.9 9.119 9.023 81.3 6.2 17.9
2002 01 26 01 57.17 -28 44.9 9.176 8.946 73.5 6.1 17.8
2002 02 05 01 57.78 -28 10.8 9.224 8.869 66.0 5.8 17.8
2002 02 15 01 59.16 -27 35.9 9.261 8.792 58.9 5.5 17.8
2002 02 25 02 01.23 -27 01.4 9.283 8.714 52.4 5.2 17.7
2002 03 07 02 03.92 -26 28.2 9.288 8.637 46.6 4.8 17.7
2002 03 17 02 07.15 -25 57.4 9.274 8.558 41.8 4.4 17.7
Brian G. Marsden (C) Copyright 2001 MPC M.P.E.C. 2001-S44
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