MPEC 2002-P64 : COMET C/2001 Q4 (NEAT)
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M.P.E.C. 2002-P64 Issued 2002 Aug. 15, 19:34 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 C2002 08 06.46247 03 02 51.65 -29 28 28.3 16.2 T 921
CK01Q040 C2002 08 06.46859 03 02 51.60 -29 28 32.5 16.7 T 921
CK01Q040 C2002 08 09.68588 03 03 10.93 -29 51 58.1 16.6 T 474
CK01Q040 C2002 08 09.69119 03 03 10.96 -29 52 00.4 16.2 T 474
CK01Q040 C2002 08 09.69617 03 03 10.99 -29 52 02.9 16.0 T 474
CK01Q040 C2002 08 09.70209 03 03 11.02 -29 52 05.4 16.4 T 474
CK01Q040 C2002 08 12.44764 03 03 22.81 -30 12 35.1 15.9 T 921
CK01Q040 C2002 08 12.45858 03 03 22.88 -30 12 40.5 16.7 T 921
CK01Q040 C2002 08 12.47163 03 03 23.30 -30 12 45.2 15.8 T 921
Observer details:
474 Mount John Observatory, Lake Tekapo. Observers A. C. Gilmore,
P. M. Kilmartin. 1.0-m f/7.7 reflector + CCD.
921 SW Institute for Space Research, Cloudcroft. Observer A. Hale. 0.30-m
Schmidt-Cassegrain + CCD.
Orbital elements:
C/2001 Q4 (NEAT)
Epoch 2004 June 4.0 TT = JDT 2453160.5
T 2004 May 15.89072 TT MPC
q 0.9618512 (2000.0) P Q
z -0.0008254 Peri. 1.20469 -0.86516733 -0.06628510
+/-0.0000292 Node 210.27876 -0.46795355 -0.24965159
e 1.0007939 Incl. 99.64309 -0.18029135 +0.96606437
Residuals in seconds of arc
010824 644 0.1- 0.3+ 010915 422 0.5+ 0.4+ 011115 474 0.3+ 1.1+
010824 644 0.5- 0.3+ 010916 372 1.1+ 0.2- 011115 474 0.7- 0.7+
010824 644 0.9- 0.3+ 010917 402 0.4- 1.2- 011115 474 0.2- 0.5+
010824 422 1.8+ 0.4+ 010917 402 0.2+ 0.2- 011116 349 0.8+ 1.5+
010824 422 0.6+ 0.2+ 010917 402 0.3+ 0.1+ 011116 349 (0.7+ 2.4+)
010824 422 0.6+ 0.1- 010918 422 0.1+ 0.2- 011118 340 (0.5- 5.3+)
010824 422 0.1+ 0.0 010918 422 0.3+ 0.4+ 011118 340 0.4- 1.4-
010826 644 0.0 0.1+ 010918 360 0.2- 0.7- 011118 340 (1.6- 6.6-)
010826 644 0.3+ 0.2- 010918 360 0.2+ 0.4- 011118 340 (1.4- 12.3-)
010826 644 0.0 0.4+ 010918 360 0.0 0.2- 011120 360 0.6- 0.3-
010826 644 0.2- 0.1- 010919 046 0.4+ 0.0 011120 360 0.3+ 0.5-
010826 644 0.0 0.3- 010919 046 0.1- 0.3- 011120 402 0.8- 0.7+
010826 644 0.3- 0.4+ 010919 046 1.0- 0.2+ 011120 402 0.5- 1.3+
010827 046 0.9- 0.0 010919 046 0.5+ 0.1+ 011120 402 0.3+ 0.6+
010827 046 0.5- 0.4- 010919 046 0.6+ 0.3+ 011122 867 0.2- 0.2-
010827 046 0.3- 0.5- 010921 620 1.0- 0.4- 011122 867 0.0 0.2-
010827 644 0.4+ 0.8+ 010921 620 1.1- 1.7- 011208 422 0.8+ 0.6+
010827 644 0.1- 1.1+ 010921 620 0.4- 0.5- 011208 422 0.3- 0.2+
010827 644 0.6+ 0.6+ 010921 620 0.5+ 0.2- 011213 428 0.6- 0.7-
010827 711 0.0 0.3+ 010922 867 0.1- 0.9- 011219 422 1.4+ 1.4-
010827 711 0.2+ 0.3+ 010922 867 0.3+ 0.6- 011219 422 0.6+ 0.4-
010827 711 0.3- 0.0 010922 867 0.8+ 0.4- 011219 422 1.0+ 0.1+
010831 402 0.3- 0.4- 010923 402 0.2+ 0.7+ 011219 422 0.1- 0.2-
010831 402 0.4+ 0.4+ 010923 402 0.4+ 0.3+ 011223 448 0.9- 1.5-
010831 402 0.3- 0.6- 010923 402 1.2- 0.4+ 011223 448 0.5+ 0.1-
010906 644 1.2- 0.4- 010924 428 0.0 0.2- 011223 448 0.4+ 0.3-
010906 644 1.9- 0.8+ 010925 428 0.9+ 0.2+ 011223 448 0.8- 1.6+
010906 644 (3.3- 0.3-) 010925 428 0.2+ 0.0 020102 428 0.8- 0.3-
010907 644 (2.6- 0.8+) 010925 428 0.5- 0.3+ 020103 349 0.2+ 1.0+
010907 644 (2.4- 0.4+) 011012 360 0.2+ 0.1- 020103 349 (1.1- 2.7+)
010907 644 2.0- 1.8+ 011012 360 0.1+ 0.7- 020105 360 0.2- 0.6-
010909 644 (0.4- 3.0+) 011014 402 1.0- 1.0+ 020105 360 0.3- 0.2-
010909 644 (0.7- 3.0+) 011014 402 0.6+ 0.2+ 020117 422 0.1+ 0.2-
010909 422 0.7- 1.1- 011014 402 0.2+ 1.0+ 020117 422 0.3- 0.7+
010910 644 0.3+ 1.2- 011014 867 0.2- 0.2- 020117 422 0.5+ 0.0
010910 644 0.3- 1.1- 011014 867 0.3- 0.1+ 020209 422 0.9+ 0.7+
010910 644 0.3+ 1.3- 011023 402 1.4+ 0.1+ 020209 422 0.5+ 0.7+
010910 644 0.7+ 1.0- 011023 402 (2.3+ 0.5-) 020209 422 0.1+ 0.9+
010910 644 0.4+ 0.2- 011023 402 0.4+ 0.3+ 020806 921 (0.4+ 10.0+)
010910 644 0.8+ 0.9- 011024 360 0.7+ 0.3- 020806 921 (0.7- 8.4+)
010910 422 0.3+ 0.2+ 011024 360 0.8- 0.2+ 020809 474 0.4- 0.1+
010910 422 0.4+ 0.1- 011110 342 0.4+ 0.1+ 020809 474 0.3- 0.1+
010910 422 0.8+ 0.5+ 011110 342 0.7+ 0.9- 020809 474 0.2- 0.2-
010913 422 0.3+ 0.1+ 011113 428 1.5- 0.8- 020809 474 0.2- 0.0
010913 422 0.2- 0.5- 011113 428 0.7- 0.5- 020812 921 0.4+ 0.4-
010913 422 1.3+ 0.1- 011113 428 0.6- 0.1- 020812 921 0.8+ 0.8-
010915 422 0.1+ 0.0 011114 402 1.2- 1.8+ 020812 921 (5.8+ 0.4+)
010915 422 0.4+ 0.2+ 011114 402 (1.3+ 2.5+)
010915 422 0.8+ 0.1+ 011114 402 1.5- 1.5+
Ephemeris:
C/2001 Q4 (NEAT)
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2002 08 14 03 03.46 -30 24.3 7.038 7.344 103.7 7.7 16.4
2002 08 24 03 03.36 -31 43.7 6.849 7.260 110.2 7.5 16.3
2002 09 03 03 02.14 -33 07.6 6.673 7.175 116.2 7.3 16.2
2002 09 13 02 59.72 -34 33.8 6.514 7.090 121.4 7.0 16.1
2002 09 23 02 56.06 -35 59.3 6.375 7.005 125.5 6.7 16.0
2002 10 03 02 51.17 -37 21.1 6.257 6.919 128.1 6.5 15.9
2002 10 13 02 45.15 -38 35.6 6.162 6.833 129.0 6.5 15.8
2002 10 23 02 38.20 -39 39.6 6.090 6.747 127.8 6.7 15.7
2002 11 02 02 30.60 -40 30.3 6.042 6.660 124.9 7.0 15.6
2002 11 12 02 22.73 -41 05.7 6.015 6.572 120.4 7.5 15.6
2002 11 22 02 14.99 -41 24.7 6.007 6.484 114.8 7.9 15.5
2002 12 02 02 07.77 -41 27.8 6.015 6.395 108.4 8.4 15.5
2002 12 12 02 01.44 -41 15.9 6.035 6.306 101.6 8.8 15.4
2002 12 22 01 56.27 -40 51.1 6.062 6.217 94.5 9.1 15.3
2003 01 01 01 52.41 -40 15.7 6.093 6.127 87.3 9.2 15.3
2003 01 11 01 49.97 -39 32.2 6.123 6.036 80.3 9.2 15.2
2003 01 21 01 48.94 -38 43.1 6.149 5.945 73.5 9.1 15.2
2003 01 31 01 49.28 -37 50.8 6.166 5.853 67.1 8.9 15.1
2003 02 10 01 50.90 -36 57.3 6.173 5.761 61.1 8.6 15.1
2003 02 20 01 53.70 -36 04.5 6.165 5.668 55.7 8.3 15.0
2003 03 02 01 57.55 -35 13.9 6.143 5.574 51.1 8.0 14.9
The "original" and "future" barycentric values of 1/a are -0.000007
and -0.000752 (+/- 0.000029) AU**-1, respectively.
Brian G. Marsden (C) Copyright 2002 MPC M.P.E.C. 2002-P64
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