MPEC 1994-A03 : PERIODIC COMET KUSHIDA-MURAMATSU (1993t)
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M.P.E.C. 1994-A03 Issued 1994 Jan. 6, 00:21 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.
MARSDEN@CFA or WILLIAMS@CFA (.HARVARD.EDU, .SPAN or .BITNET)
PERIODIC COMET KUSHIDA-MURAMATSU (1993t)
An improved orbit computation by S. Nakano, Sumoto, Japan, shows that the
comet's revolution period is some 0.5 years longer than given on
MPEC 1993-Y02.
Additional observations:
$n J930t 1993 12 15.55729 05 30 15.02 +22 35 45.6 16.0 T 391
$n J930t 1993 12 15.57118 05 30 14.21 +22 35 46.8 391
$n J930t C1993 12 16.20810 05 29 43.33 +22 35 59.7 657
$n J930t C1993 12 16.21000 05 29 43.21 +22 35 59.6 657
$n J930t C1993 12 16.21770 05 29 42.80 +22 35 59.6 657
$n J930t 1993 12 17.22308 05 28 53.65 +22 36 21.2 15.0 T 816
$n J930t 1993 12 17.26382 05 28 51.61 +22 36 21.7 816
$n J930t 1993 12 17.26663 05 28 51.46 +22 36 22.2 816
$n J930t 1993 12 17.28829 05 28 50.36 +22 36 22.0 15.1 T 816
$n J930t C1993 12 17.46929 05 28 41.84 +22 36 26.4 15 T 385
$n J930t C1993 12 17.47848 05 28 41.38 +22 36 27.0 385
$n J930t C1993 12 17.48138 05 28 41.23 +22 36 26.6 385
$n J930t C1993 12 17.74832 05 28 27.81 +22 36 32.3 15 T 900
$n J930t C1993 12 17.76077 05 28 27.28 +22 36 31.4 900
$n J930t C1993 12 17.79410 05 28 26.00 +22 36 31.8 596
$n J930t C1993 12 17.83940 05 28 23.75 +22 36 33.7 596
$n J930t C1993 12 17.85543 05 28 23.00 +22 36 33.7 596
$n J930t 1993 12 18.16551 05 28 07.93 +22 36 40.3 15.2 T 816
$n J930t 1993 12 18.18398 05 28 07.04 +22 36 40.8 15.2 T 816
$n J930t 1993 12 18.18660 05 28 06.87 +22 36 41.1 15.2 T 816
$n J930t 1993 12 18.19444 05 28 06.50 +22 36 40.8 15.1 T 816
$n J930t 1993 12 18.53368 05 27 50.16 +22 36 48.9 391
$n J930t 1993 12 18.54688 05 27 49.54 +22 36 49.6 391
$n J930t C1993 12 18.57708 05 27 48.03 +22 36 49.3 15.2 T 360
$n J930t C1993 12 18.58565 05 27 47.51 +22 36 49.5 15 T 385
$n J930t C1993 12 18.60208 05 27 46.76 +22 36 49.9 360
$n J930t C1993 12 18.63333 05 27 45.13 +22 36 50.4 385
$n J930t C1993 12 18.63625 05 27 44.99 +22 36 50.6 385
$n J930t C1993 12 18.63924 05 27 44.81 +22 36 50.6 385
$n J930t C1993 12 18.90806 05 27 31.88 +22 36 54.4 15.0 T 540
$n J930t C1993 12 18.91573 05 27 31.51 +22 36 54.4 15.1 T 540
$n J930t C1993 12 18.92324 05 27 31.17 +22 36 54.4 15.1 T 540
$n J930t C1993 12 18.93106 05 27 30.75 +22 36 55.7 15.0 T 540
$n J930t C1993 12 21.41554 05 25 31.71 +22 37 42.8 658
$n J930t C1993 12 21.41889 05 25 31.55 +22 37 42.9 658
$n J930t C1993 12 21.42272 05 25 31.35 +22 37 42.9 658
$n J930t C1993 12 21.61672 05 25 22.19 +22 37 48.3 15 T 385
$n J930t C1993 12 21.61889 05 25 22.08 +22 37 48.6 385
$n J930t C1993 12 21.62116 05 25 22.00 +22 37 48.9 385
$n J930t C1993 12 21.62545 05 25 21.80 +22 37 48.7 385
$n J930t C1993 12 21.67426 05 25 19.42 +22 37 48.4 15.6 T 871
$n J930t C1993 12 21.67751 05 25 19.26 +22 37 48.5 871
$n J930t C1993 12 21.68023 05 25 19.19 +22 37 48.7 871
$n J930t C1993 12 23.58881 05 23 49.88 +22 38 24.5 15 T 385
$n J930t C1993 12 23.59135 05 23 49.75 +22 38 24.8 385
$n J930t C1993 12 23.59361 05 23 49.64 +22 38 24.7 385
$n J930t 1993 12 23.75451 05 23 41.74 +22 38 26.6 16.0 T 896
$n J930t C1994 01 01.43750 05 17 29.21 +22 41 06.1 15 T 385
$n J930t C1994 01 01.44236 05 17 28.96 +22 41 05.9 385
$n J930t C1994 01 01.44444 05 17 28.93 +22 41 06.0 385
$n J930t C1994 01 02.52239 05 16 47.22 +22 41 26.4 15.5 T 900
$n J930t C1994 01 02.53363 05 16 46.90 +22 41 26.8 900
Observer details:
360 Kuma Kogen. Observer A. Nakamura. 0.60-m f/6.0 Ritchey-Chretien.
385 Nihondaira Observatory. Observer T. Urata. 0.31-m f/4.7 reflector.
391 Sendai Observatory, Ayashi Station. Observer M. Koishikawa.
540 Linz. Observers E. Meyer, E. Obermair and H. Raab.
596 Colleverde di Guidonia. Observer V. Casulli. 0.31-m f/2.8 Baker-Schmidt.
657 Climenhaga Observatory, Victoria. Observers D. D. Balam and J. B. Tatum.
658 Dominion Astrophysical Observatory, Victoria. Observer D. D. Balam.
816 Rand Observatory. Observer G. R. Viscome. 0.37-m reflector.
871 Akou. Observer K. Kawanishi. 0.33-m f/3.3 reflector.
896 Yatsugatake South Base Observatory. Observers Y. Kushida, O. Muramatsu.
900 Ohtsu. Observer Y. Ikari. 0.26-m f/2.9 reflector.
Orbital elements:
Periodic Comet Kushida-Muramatsu (1993t)
T 1993 Dec. 6.73130 TT Nakano
q 2.7503571 (2000.0) P Q
n 0.13313747 Peri. 347.49874 +0.15333152 -0.98730615
a 3.7984158 Node 93.67042 +0.91016932 +0.12477892
e 0.2759200 Incl. 2.37903 +0.38481327 +0.09826897
P 7.40
From 86 observations 1993 Dec. 8-1994 Jan. 2.
Ephemeris:
Periodic Comet Kushida-Muramatsu (1993t)
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1
1993 12 29 05 19.82 +22 40.1 1.796 2.753 163.4 5.9 16.7
1994 01 08 05 13.62 +22 43.4 1.850 2.756 151.8 9.7 16.7
1994 01 18 05 09.60 +22 48.1 1.928 2.760 140.7 13.1 16.8
1994 01 28 05 08.19 +22 55.0 2.025 2.765 130.2 15.8 16.9
1994 02 07 05 09.49 +23 04.4 2.139 2.771 120.3 17.9 17.1
1994 02 17 05 13.39 +23 15.8 2.265 2.778 111.1 19.4 17.2
1994 02 27 05 19.69 +23 28.3 2.399 2.786 102.5 20.3 17.4
1994 03 09 05 28.08 +23 40.9 2.538 2.795 94.4 20.7 17.5
1994 03 19 05 38.28 +23 52.1 2.679 2.806 86.8 20.8 17.6
1994 03 29 05 50.01 +24 00.8 2.821 2.817 79.6 20.4 17.7
1994 04 08 06 03.00 +24 05.6 2.960 2.829 72.7 19.8 17.9
1994 04 18 06 17.03 +24 05.7 3.096 2.841 66.1 18.8 18.0
1994 04 28 06 31.88 +24 00.3 3.227 2.855 59.7 17.7 18.1
1994 05 08 06 47.36 +23 48.7 3.352 2.870 53.6 16.4 18.2
1994 05 18 07 03.32 +23 30.5 3.469 2.885 47.6 15.0 18.3
1994 05 28 07 19.60 +23 05.7 3.578 2.901 41.7 13.4 18.4
Brian G. Marsden M.P.E.C. 1994-A03
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