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M.P.E.C. 2002-C19 Issued 2002 Feb. 4, 18:09 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/2002 C1 (IKEYA-ZHANG)
Observations:
CK02C010 C2002 02 02.72113 00 11 07.14 -17 00 13.6 118
CK02C010 C2002 02 02.72425 00 11 07.47 -17 00 07.3 118
CK02C010 C2002 02 02.72553 00 11 07.60 -17 00 05.1 118
CK02C010 C2002 02 02.72634 00 11 07.69 -17 00 03.4 118
CK02C010 C2002 02 02.74175 00 11 09.22 -16 59 36.4 201
CK02C010 C2002 02 02.75002 00 11 09.83 -16 59 22.5 13.3 T 104
CK02C010 C2002 02 02.75042 00 11 10.05 -16 59 21.2 201
CK02C010 C2002 02 02.75142 00 11 10.07 -16 59 19.8 104
CK02C010 C2002 02 02.75334 00 11 10.45 -16 59 15.4 201
CK02C010 C2002 02 02.75350 00 11 10.30 -16 59 14.8 104
CK02C010 C2002 02 02.75558 00 11 10.51 -16 59 11.6 104
CK02C010 C2002 02 02.75766 00 11 10.71 -16 59 06.9 104
CK02C010 C2002 02 02.75785 00 11 10.82 -16 59 07.4 941
CK02C010 C2002 02 02.75821 00 11 10.90 -16 59 07.4 232
CK02C010 C2002 02 02.75935 00 11 10.92 -16 59 05.2 232
CK02C010 C2002 02 02.75970 00 11 11.05 -16 59 03.9 941
CK02C010 C2002 02 02.76008 00 11 10.99 -16 59 03.2 201
CK02C010 C2002 02 02.76170 00 11 11.21 -16 59 00.4 941
CK02C010 C2002 02 02.76223 00 11 11.28 -16 58 59.6 12.3 N 232
CK02C010 C2002 02 02.76332 00 11 11.32 -16 58 57.3 941
CK02C010 C2002 02 02.76406 00 11 11.38 -16 58 56.7 12.2 N 232
CK02C010 C2002 02 02.76435 00 11 11.35 -16 58 55.6 12.7 N 213
CK02C010 C2002 02 02.76473 00 11 11.50 -16 58 54.6 941
CK02C010 C2002 02 02.76520 00 11 11.50 -16 58 54.5 12.2 N 232
CK02C010 C2002 02 02.76698 00 11 11.64 -16 58 51.0 12.7 N 213
CK02C010 C2002 02 02.77212 00 11 12.16 -16 58 42.0 12.7 N 213
CK02C010 C2002 02 02.77856 00 11 12.88 -16 58 30.5 12.7 N 213
CK02C010 C2002 02 02.78500 00 11 13.40 -16 58 18.9 12.7 N 213
CK02C010 C2002 02 02.79122 00 11 14.05 -16 58 07.4 12.7 N 213
CK02C010 C2002 02 03.43409 00 12 18.31 -16 38 52.3 10.8 T 367
CK02C010 C2002 02 03.43513 00 12 18.28 -16 38 52.3 367
CK02C010 C2002 02 03.43617 00 12 18.35 -16 38 51.2 367
CK02C010 C2002 02 03.43929 00 12 18.78 -16 38 45.0 367
CK02C010 C2002 02 03.44034 00 12 18.98 -16 38 40.9 367
CK02C010 C2002 02 03.72166 00 12 47.37 -16 30 14.9 12.5 N 046
CK02C010 C2002 02 03.72248 00 12 47.50 -16 30 13.4 046
CK02C010 C2002 02 03.72317 00 12 47.56 -16 30 12.3 046
CK02C010 C2002 02 03.72459 00 12 47.73 -16 30 08.9 046
CK02C010 C2002 02 04.72072 00 14 28.89 -15 59 46.2 046
CK02C010 C2002 02 04.72132 00 14 28.96 -15 59 44.8 046
CK02C010 C2002 02 04.72213 00 14 29.05 -15 59 43.2 046
CK02C010 C2002 02 04.72300 00 14 29.14 -15 59 41.5 046
Observer details:
046 Klet. Observers J. Ticha, M. Tichy. 0.57-m f/5.2 reflector + CCD.
104 San Marcello Pistoiese. Observers L. Tesi, A. Boattini, M. Tombelli,
E. Tognelli. Measurers G. Forti, L. Tesi, A. Boattini, M. Tombelli.
0.40-m f/5 reflector + CCD.
118 Modra. Observers A. Galad, L. Kornos. 0.6-m f/5.5 reflector + CCD.
201 Jonathan B. Postel Observatory. Observer V. Pozzoli. 0.30-m f/10
reflector + CCD.
213 Observatorio Montcabre. Observer R. Naves N. 0.25-m f/3.3
Schmidt-Cassegrain + CCD.
232 Masquefa Observatory. Observer E. Reina L. 0.25-m f/6.3
Schmidt-Cassegrain + CCD.
367 Yatsuka. Observer H. Abe. 0.26-m f/6.0 reflector + CCD.
941 Observatorio Pla D'Arguines. Observer R. Ferrando. 0.26-m f/10
Schmidt-Cassegrain + CCD.
Orbital elements:
C/2002 C1 (Ikeya-Zhang)
T 2002 Mar. 18.537 TT MPC
q 0.50839 (2000.0) P Q
Peri. 33.768 -0.545419 -0.694717
Node 93.857 +0.626784 -0.709500
e 1.0 Incl. 28.033 +0.556471 +0.118229
From 63 observations 2002 Feb. 1-4.
Ephemeris:
C/2002 C1 (Ikeya-Zhang)
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2002 01 26 23 59.06 -20 35.6 1.624 1.217 48.4 37.2 9.4
2002 01 28 00 02.05 -19 42.3 1.603 1.184 47.3 37.7 9.3
2002 01 30 00 05.13 -18 47.3 1.582 1.150 46.3 38.3 9.1
2002 02 01 00 08.31 -17 50.6 1.560 1.116 45.4 38.9 8.9
2002 02 03 00 11.58 -16 51.9 1.538 1.082 44.4 39.6 8.8
2002 02 05 00 14.96 -15 51.1 1.514 1.048 43.5 40.3 8.6
2002 02 07 00 18.43 -14 48.1 1.489 1.014 42.6 41.2 8.4
2002 02 09 00 22.00 -13 42.8 1.464 0.979 41.7 42.1 8.2
2002 02 11 00 25.66 -12 34.8 1.438 0.945 40.8 43.1 8.0
2002 02 13 00 29.41 -11 24.2 1.410 0.911 40.0 44.1 7.8
2002 02 15 00 33.24 -10 10.5 1.382 0.878 39.2 45.4 7.6
2002 02 17 00 37.15 -08 53.7 1.353 0.844 38.4 46.7 7.4
2002 02 19 00 41.12 -07 33.4 1.322 0.811 37.7 48.2 7.2
2002 02 21 00 45.15 -06 09.5 1.291 0.778 37.0 49.9 7.0
2002 02 23 00 49.22 -04 41.5 1.259 0.746 36.3 51.8 6.7
2002 02 25 00 53.32 -03 09.2 1.225 0.715 35.7 53.9 6.5
2002 02 27 00 57.41 -01 32.2 1.191 0.684 35.1 56.2 6.2
2002 03 01 01 01.47 +00 09.6 1.156 0.655 34.5 58.9 6.0
2002 03 03 01 05.46 +01 56.8 1.119 0.627 33.9 61.8 5.7
2002 03 05 01 09.32 +03 49.5 1.082 0.602 33.4 65.1 5.5
2002 03 07 01 13.00 +05 48.1 1.044 0.578 32.9 68.7 5.2
2002 03 09 01 16.41 +07 52.6 1.005 0.557 32.4 72.6 5.0
2002 03 11 01 19.48 +10 03.2 0.965 0.540 31.9 76.9 4.7
2002 03 13 01 22.08 +12 19.9 0.925 0.526 31.5 81.4 4.5
2002 03 15 01 24.12 +14 42.2 0.886 0.516 31.1 86.2 4.4
2002 03 17 01 25.48 +17 09.9 0.846 0.510 30.8 91.0 4.2
2002 03 19 01 26.03 +19 42.4 0.807 0.509 30.6 95.7 4.1
2002 03 21 01 25.68 +22 18.9 0.769 0.512 30.4 100.1 4.0
2002 03 23 01 24.32 +24 58.7 0.733 0.520 30.4 104.2 4.0
2002 03 25 01 21.89 +27 41.1 0.698 0.532 30.5 107.6 4.0
2002 03 27 01 18.30 +30 25.3 0.665 0.547 31.0 110.4 4.0
2002 03 29 01 13.50 +33 10.6 0.634 0.567 31.7 112.3 4.0
2002 03 31 01 07.41 +35 56.5 0.606 0.589 32.7 113.5 4.1
2002 04 02 00 59.94 +38 42.3 0.579 0.613 34.1 113.9 4.2
2002 04 04 00 50.99 +41 27.5 0.555 0.640 35.9 113.5 4.3
2002 04 06 00 40.39 +44 11.5 0.532 0.668 38.1 112.4 4.4
2002 04 08 00 27.94 +46 53.2 0.512 0.698 40.7 110.8 4.5
2002 04 10 00 13.36 +49 31.4 0.493 0.729 43.6 108.6 4.6
2002 04 12 23 56.33 +52 04.4 0.477 0.761 46.9 105.9 4.7
2002 04 14 23 36.45 +54 29.5 0.462 0.793 50.4 102.9 4.8
2002 04 16 23 13.30 +56 43.3 0.449 0.826 54.3 99.6 4.9
2002 04 18 22 46.49 +58 41.1 0.437 0.859 58.4 96.0 5.0
2002 04 20 22 15.87 +60 17.3 0.428 0.893 62.7 92.1 5.2
2002 04 22 21 41.67 +61 25.3 0.420 0.927 67.2 88.1 5.3
2002 04 24 21 04.74 +61 59.2 0.415 0.961 71.9 83.9 5.4
2002 04 26 20 26.56 +61 54.6 0.411 0.995 76.6 79.7 5.5
2002 04 28 19 48.96 +61 10.4 0.409 1.029 81.5 75.3 5.7
2002 04 30 19 13.61 +59 48.9 0.410 1.063 86.4 71.0 5.8
2002 05 02 18 41.63 +57 55.2 0.413 1.097 91.3 66.7 6.0
2002 05 04 18 13.49 +55 36.2 0.418 1.131 96.1 62.4 6.1
2002 05 06 17 49.16 +52 58.7 0.425 1.165 100.7 58.3 6.3
Brian G. Marsden (C) Copyright 2002 MPC M.P.E.C. 2002-C19
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