MPEC 2003-A56 : COMET C/2003 A1
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M.P.E.C. 2003-A56 Issued 2003 Jan. 8, 23:34 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/2003 A1
Observations:
CK03A010 C2003 01 05.07007 01 08 36.07 -06 18 54.8 18.4 N 704
CK03A010 C2003 01 05.08653 01 08 36.52 -06 18 23.0 18.9 N 704
CK03A010 C2003 01 05.13670 01 08 38.09 -06 16 43.8 19.1 N 704
CK03A010 C2003 01 06.05274 01 09 08.49 -05 46 47.7 18.5 N 446
CK03A010 C2003 01 06.05815 01 09 08.64 -05 46 37.4 19.0 N 446
CK03A010 C2003 01 06.06320 01 09 08.86 -05 46 27.0 18.2 N 446
CK03A010 C2003 01 06.06812 01 09 08.96 -05 46 17.4 19.1 N 446
CK03A010 C2003 01 06.07293 01 09 09.09 -05 46 07.9 18.9 N 446
CK03A010 C2003 01 06.07771 01 09 09.31 -05 45 58.1 17.7 N 446
CK03A010 C2003 01 06.10137 01 09 10.12 -05 45 12.8 18.6 N 448
CK03A010 C2003 01 06.10325 01 09 10.25 -05 45 06.0 670
CK03A010 C2003 01 06.11197 01 09 10.34 -05 44 52.7 18.5 N 448
CK03A010 C2003 01 06.11917 01 09 10.68 -05 44 34.3 670
CK03A010 C2003 01 06.12420 01 09 10.84 -05 44 28.2 18.4 N 448
CK03A010 C2003 01 06.46586 01 09 22.47 -05 33 13.2 18.7 N 474
CK03A010 C2003 01 06.46725 01 09 22.54 -05 33 09.8 19.2 N 474
CK03A010 C2003 01 06.47326 01 09 22.75 -05 32 59.7 19.0 N 474
CK03A010 C2003 01 06.48183 01 09 22.80 -05 32 46.4 18.5 N 474
CK03A010 C2003 01 06.48582 01 09 23.21 -05 32 32.3 474
CK03A010 C2003 01 07.06969 01 09 43.74 -05 13 41.5 18.3 N 704
CK03A010 C2003 01 07.08499 01 09 44.14 -05 13 13.5 18.4 N 704
CK03A010 C2003 01 07.08601 01 09 44.21 -05 13 11.7 18.1 N 858
CK03A010 C2003 01 07.09388 01 09 44.47 -05 12 55.9 18.5 N 858
CK03A010 C2003 01 07.10022 01 09 44.89 -05 12 42.6 19.2 N 704
CK03A010 C2003 01 07.11545 01 09 45.13 -05 12 13.5 18.7 N 704
CK03A010 C2003 01 07.11682 01 09 45.27 -05 12 11.2 18.1 N 858
CK03A010 C2003 01 07.26632 01 09 50.50 -05 07 20.2 19.8 T 608
CK03A010 C2003 01 07.27726 01 09 50.87 -05 06 58.2 19.5 T 608
CK03A010 C2003 01 07.28798 01 09 51.24 -05 06 37.8 19.5 T 608
CK03A010 C2003 01 08.12733 01 10 21.82 -04 39 32.4 18.3 N 858
CK03A010 C2003 01 08.14113 01 10 22.35 -04 39 05.3 18.5 N 858
CK03A010 C2003 01 08.31206 01 10 28.48 -04 33 34.8 19.4 T 608
CK03A010 C2003 01 08.32289 01 10 28.85 -04 33 14.1 19.0 T 608
CK03A010 C2003 01 08.33378 01 10 29.26 -04 32 53.1 19.5 T 608
CK03A010 C2003 01 08.71931 01 10 43.94 -04 20 30.3 246
CK03A010 C2003 01 08.72115 01 10 44.08 -04 20 27.5 246
CK03A010 C2003 01 08.72206 01 10 44.07 -04 20 25.8 246
CK03A010 C2003 01 08.72301 01 10 44.05 -04 20 24.0 246
CK03A010 C2003 01 08.72400 01 10 44.17 -04 20 21.9 246
CK03A010 C2003 01 08.72500 01 10 44.18 -04 20 20.0 246
CK03A010 C2003 01 08.74880 01 10 45.11 -04 19 33.5 557
CK03A010 C2003 01 08.75323 01 10 45.23 -04 19 25.6 557
CK03A010 C2003 01 08.75590 01 10 45.29 -04 19 20.7 557
CK03A010 C2003 01 08.75811 01 10 45.40 -04 19 15.9 557
CK03A010 C2003 01 08.76032 01 10 45.47 -04 19 12.5 557
CK03A010 C2003 01 08.87848 01 10 49.90 -04 15 23.6 17.8 N 176
CK03A010 C2003 01 08.88530 01 10 50.10 -04 15 11.5 17.6 N 176
CK03A010 C2003 01 08.89190 01 10 50.30 -04 14 59.7 17.5 N 176
Observer details:
176 Observatori Astronomic de Consell. Observers A. Lopez, R. Pacheco.
0.41-m reflector + CCD.
246 Klet Observatory-KLENOT. Observers M. Tichy, M. Kocer. 1.06-m KLENOT
Telescope + CCD.
446 Kingsnake Observatory. Observer J. McClusky. 0.45-m f/4.5 Newtonian
+ CCD.
448 Desert Moon Observatory. Observer B. Stevens. 0.3-m Schmidt-Cassegrain
+ CCD.
474 Mount John Observatory, Lake Tekapo. Observer A. C. Gilmore. Measurer
P. M. Kilmartin. 1.0-m f/7.7 reflector + CCD.
557 Ondrejov. Observers P. Pravec, P. Kusnirak. 0.65-m f/3.6 reflector + CCD.
608 Haleakala-NEAT/MSSS. Observers R. Bambery, E. Helin, S. Pravdo, M. Hicks,
K. Lawrence, P. Kervin. 1.2-m reflector + CCD.
670 Camarillo. Observer J. E. Rogers. 0.30-m f/6.7 Helin Telescope + CCD.
704 Lincoln Laboratory ETS, New Mexico. Observers M. Blythe, F. Shelly,
M. Bezpalko, R. Huber, L. Manguso, S. Adams, D. Torres, T. Brothers,
S. Partridge. Measurers J. Stuart, R. Sayer, J. Evans, P. Hopman. 1.0-m
f/2.15 reflector + CCD.
858 Tebbutt Observatory, Edgewood. Observer F. B. Zoltowski. 0.3-m f/3.3
Schmidt-Cassegrain + CCD.
Orbital elements:
C/2003 A1
T 2003 Jan. 13.452 TT MPC
q 2.11485 (2000.0) P Q
Peri. 348.741 +0.709332 -0.390579
Node 51.726 +0.690746 +0.219338
e 1.0 Incl. 48.367 +0.140419 +0.894058
From 39 observations 2003 Jan. 5-8.
Ephemeris:
C/2003 A1
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2003 01 01 01 06.59 -08 33.7 1.848 2.120 91.8 27.6 17.6
2003 01 11 01 12.22 -03 07.7 1.956 2.115 85.2 27.6 17.7
2003 01 21 01 19.98 +01 59.4 2.075 2.117 78.8 27.1 17.8
2003 01 31 01 29.56 +06 47.3 2.200 2.125 72.6 26.3 18.0
2003 02 10 01 40.71 +11 16.6 2.330 2.140 66.6 25.0 18.1
2003 02 20 01 53.23 +15 28.5 2.461 2.161 60.9 23.6 18.3
2003 03 02 02 07.01 +19 24.4 2.591 2.188 55.5 21.9 18.5
2003 03 12 02 21.97 +23 05.5 2.719 2.221 50.3 20.1 18.6
2003 03 22 02 38.02 +26 32.7 2.843 2.259 45.5 18.3 18.8
2003 04 01 02 55.16 +29 46.7 2.963 2.302 40.9 16.5 19.0
2003 04 11 03 13.36 +32 48.1 3.077 2.350 36.7 14.7 19.2
2003 04 21 03 32.60 +35 37.0 3.184 2.403 32.8 13.1 19.3
The object is probably of short period, and its orbit is rather similar
to that of comet D/1783 W1 (Pigott).
Brian G. Marsden (C) Copyright 2003 MPC M.P.E.C. 2003-A56
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