MPEC 2001-X45: COMET 51P/HARRINGTON
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M.P.E.C. 2001-X45 Issued 2001 Dec. 12, 21:19 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 51P/HARRINGTON
Observations:
0051P a C2001 12 06.05057 05 26 41.23 +13 29 08.2 17.4 T 170
0051P d C2001 12 06.05057 05 26 40.52 +13 29 07.8 17.0 T 170
0051P a C2001 12 06.09606 05 26 38.19 +13 29 15.2 17.0 T 170
0051P d C2001 12 06.09606 05 26 37.74 +13 29 15.5 17.0 T 170
0051P a C2001 12 06.10883 05 26 37.20 +13 29 16.9 17.4 T 170
0051P d C2001 12 06.10883 05 26 36.69 +13 29 17.4 17.4 T 170
0051P a C2001 12 06.84355 05 25 49.64 +13 31 21.1 16.5 T 620
0051P a C2001 12 06.87176 05 25 47.79 +13 31 26.1 16.5 T 620
0051P a C2001 12 06.87987 05 25 47.26 +13 31 27.0 16.9 T 213
0051P d C2001 12 06.87987 05 25 46.47 +13 31 27.4 16.7 T 213
0051P a C2001 12 06.88647 05 25 46.83 +13 31 28.1 16.9 T 213
0051P d C2001 12 06.88647 05 25 45.99 +13 31 28.5 16.7 T 213
0051P a C2001 12 06.90622 05 25 45.42 +13 31 32.0 16.4 T 620
0051P a C2001 12 06.97552 05 25 41.01 +13 31 43.6 16.9 T 213
0051P d C2001 12 06.97552 05 25 40.11 +13 31 43.9 16.7 T 213
0051P a C2001 12 07.00189 05 25 39.07 +13 31 47.7 16.4 T 170
0051P d C2001 12 07.00189 05 25 38.43 +13 31 48.0 16.6 T 170
0051P a C2001 12 07.88741 05 24 41.50 +13 34 18.6 16.2 T 213
0051P d C2001 12 07.88741 05 24 40.47 +13 34 19.4 16.3 T 213
0051P a C2001 12 07.89676 05 24 40.54 +13 34 19.8 16.2 T 213
0051P d C2001 12 07.89676 05 24 39.66 +13 34 22.3 16.3 T 213
0051P a C2001 12 07.90619 05 24 40.15 +13 34 22.7 16.2 T 213
0051P d C2001 12 07.90619 05 24 39.29 +13 34 23.4 16.3 T 213
0051P a C2001 12 07.91086 05 24 39.76 +13 34 23.6 16.2 T 213
0051P d C2001 12 07.91086 05 24 38.97 +13 34 26.9 16.3 T 213
0051P a C2001 12 07.92722 05 24 38.60 +13 34 27.5 16.5 T 941
0051P d C2001 12 07.92722 05 24 37.99 +13 34 27.2 16.7 T 941
0051P a C2001 12 07.93006 05 24 38.45 +13 34 28.2 16.5 T 941
0051P d C2001 12 07.93006 05 24 37.74 +13 34 28.0 16.7 T 941
0051P a C2001 12 07.93281 05 24 38.29 +13 34 28.6 16.5 T 941
0051P d C2001 12 07.93281 05 24 37.55 +13 34 28.7 16.7 T 941
0051P a C2001 12 07.93829 05 24 37.84 +13 34 30.0 16.5 T 941
0051P d C2001 12 07.93829 05 24 37.12 +13 34 30.0 16.7 T 941
0051P a C2001 12 07.94508 05 24 37.54 +13 34 30.4 16.4 T 170
0051P d C2001 12 07.94508 05 24 36.44 +13 34 28.3 16.6 T 170
0051P a C2001 12 07.94751 05 24 37.36 +13 34 30.9 16.4 T 170
0051P d C2001 12 07.94751 05 24 36.51 +13 34 29.9 16.6 T 170
0051P a C2001 12 08.73720 05 23 45.37 +13 36 50.5 349
0051P a C2001 12 08.76868 05 23 43.35 +13 36 56.6 349
0051P a C2001 12 08.77162 05 23 43.14 +13 36 57.5 16.8 T 349
0051P d C2001 12 08.77162 05 23 42.38 +13 36 55.4 17.0 T 349
0051P a C2001 12 08.89491 05 23 35.55 +13 37 17.9 16.4 T 213
0051P d C2001 12 08.89491 05 23 34.80 +13 37 17.5 16.5 T 213
0051P a C2001 12 08.89958 05 23 35.14 +13 37 18.3 16.4 T 213
0051P d C2001 12 08.89958 05 23 34.37 +13 37 22.1 16.5 T 213
0051P a C2001 12 08.91742 05 23 34.01 +13 37 21.7 17.1 N 611
0051P d C2001 12 08.91742 05 23 33.22 +13 37 21.4 17.3 N 611
0051P a C2001 12 08.92478 05 23 33.51 +13 37 23.1 17.2 N 611
0051P d C2001 12 08.92478 05 23 32.71 +13 37 22.8 17.3 N 611
0051P a C2001 12 08.93242 05 23 33.03 +13 37 24.6 16.4 T 213
0051P d C2001 12 08.93242 05 23 32.46 +13 37 24.9 16.5 T 213
0051P a C2001 12 08.93338 05 23 32.97 +13 37 25.0 118
0051P d C2001 12 08.93338 05 23 32.10 +13 37 24.7 118
0051P d C2001 12 08.93466 05 23 32.04 +13 37 24.5 118
0051P a C2001 12 08.93667 05 23 32.74 +13 37 25.1 16.1 T 118
0051P d C2001 12 08.93871 05 23 31.80 +13 37 25.3 15.9 T 118
0051P a C2001 12 08.93990 05 23 32.47 +13 37 26.0 16.0 T 118
0051P d C2001 12 08.93990 05 23 31.70 +13 37 25.8 16.0 T 118
0051P a C2001 12 08.96648 05 23 30.72 +13 37 30.4 17.1 N 611
0051P d C2001 12 08.96648 05 23 29.93 +13 37 29.9 17.3 N 611
0051P a C2001 12 09.01646 05 23 27.41 +13 37 40.0 16.6 T 170
0051P d C2001 12 09.01646 05 23 26.64 +13 37 41.0 16.8 T 170
0051P d C2001 12 09.03498 05 23 25.43 +13 37 43.0 16.8 T 170
0051P a C2001 12 09.04749 05 23 25.35 +13 37 45.7 16.6 T 170
0051P a C2001 12 09.05028 05 23 25.17 +13 37 46.1 16.6 T 170
0051P a C2001 12 09.19557 05 23 15.90 +13 38 18.8 309
0051P d C2001 12 09.19557 05 23 15.01 +13 38 18.3 309
0051P d C2001 12 09.30375 05 23 07.97 +13 38 32.2 22.5 N 691
0051P a C2001 12 09.30376 05 23 08.83 +13 38 32.3 19.6 T 691
0051P a C2001 12 09.30782 05 23 08.48 +13 38 33.5 19.8 T 691
0051P a C2001 12 09.31260 05 23 08.20 +13 38 34.0 22.0 N 691
0051P a C2001 12 09.79181 05 22 37.33 +13 39 58.7 15.9 T 118
0051P d C2001 12 09.79181 05 22 36.40 +13 39 58.8 16.4 T 118
0051P a C2001 12 09.79590 05 22 36.99 +13 40 00.0 16.3 T 118
0051P d C2001 12 09.79590 05 22 36.17 +13 40 00.1 16.3 T 118
0051P a C2001 12 09.79689 05 22 36.91 +13 40 00.2 15.6 T 118
0051P d C2001 12 09.79689 05 22 36.08 +13 39 59.9 15.9 T 118
0051P a C2001 12 09.82930 05 22 34.86 +13 40 05.7 16.6 N 235
0051P d C2001 12 09.82930 05 22 34.05 +13 40 07.8 16.4 N 235
0051P a C2001 12 09.86958 05 22 32.16 +13 40 13.5 16.5 T 046
0051P d C2001 12 09.86958 05 22 31.30 +13 40 13.0 16.6 T 046
0051P a C2001 12 09.87072 05 22 32.06 +13 40 13.8 046
0051P d C2001 12 09.87072 05 22 31.24 +13 40 13.1 046
0051P a C2001 12 09.87184 05 22 31.95 +13 40 14.3 046
0051P d C2001 12 09.87184 05 22 31.24 +13 40 13.8 046
0051P a C2001 12 09.87296 05 22 31.92 +13 40 13.5 046
0051P d C2001 12 09.87296 05 22 31.07 +13 40 14.1 046
0051P a C2001 12 09.87406 05 22 31.80 +13 40 14.9 046
0051P d C2001 12 09.87406 05 22 30.98 +13 40 14.7 046
0051P a C2001 12 09.88117 05 22 31.25 +13 40 15.7 16.4 T 046
0051P d C2001 12 09.88117 05 22 30.66 +13 40 15.3 16.5 T 046
0051P a C2001 12 09.88222 05 22 31.17 +13 40 16.2 046
0051P d C2001 12 09.88222 05 22 30.67 +13 40 16.1 046
0051P a C2001 12 09.88336 05 22 31.14 +13 40 15.6 046
0051P d C2001 12 09.88336 05 22 30.45 +13 40 16.4 046
0051P a C2001 12 09.89935 05 22 30.05 +13 40 20.1 16.5 T 170
0051P d C2001 12 09.89935 05 22 29.47 +13 40 19.3 16.7 T 170
0051P a C2001 12 09.90193 05 22 30.02 +13 40 20.7 16.5 T 170
0051P d C2001 12 09.90193 05 22 29.23 +13 40 19.6 16.6 T 170
0051P a C2001 12 09.90663 05 22 29.73 +13 40 21.6 16.5 T 170
0051P d C2001 12 09.90663 05 22 28.99 +13 40 20.6 16.6 T 170
0051P a C2001 12 09.90900 05 22 29.58 +13 40 22.4 16.5 T 170
0051P d C2001 12 09.90900 05 22 28.90 +13 40 22.3 16.7 T 170
0051P a C2001 12 09.96315 05 22 25.92 +13 40 30.9 17.1 N 611
0051P d C2001 12 09.96315 05 22 25.10 +13 40 30.4 17.3 N 611
0051P a C2001 12 09.96663 05 22 25.70 +13 40 31.5 17.3 N 611
0051P d C2001 12 09.96663 05 22 24.79 +13 40 31.0 17.4 N 611
0051P a C2001 12 09.97295 05 22 25.26 +13 40 32.5 17.1 N 611
0051P d C2001 12 09.97295 05 22 24.35 +13 40 32.1 17.3 N 611
0051P a C2001 12 10.13162 05 22 15.18 +13 41 09.0 309
0051P d C2001 12 10.13162 05 22 14.30 +13 41 08.6 309
0051P a C2001 12 10.91896 05 21 24.09 +13 43 28.1 17 T 587
0051P d C2001 12 10.91896 05 21 23.22 +13 43 28.2 587
0051P a C2001 12 10.93970 05 21 22.67 +13 43 31.5 587
0051P d C2001 12 10.93970 05 21 21.84 +13 43 32.5 587
0051P a C2001 12 11.50336 05 20 46.47 +13 45 25.6 18.3 T 422
0051P d C2001 12 11.50336 05 20 45.62 +13 45 25.7 19.0 T 422
0051P a C2001 12 11.50411 05 20 46.36 +13 45 25.7 18.4 T 422
0051P d C2001 12 11.50411 05 20 45.59 +13 45 25.8 19.1 T 422
0051P a C2001 12 11.50471 05 20 46.35 +13 45 25.5 18.5 T 422
0051P d C2001 12 11.50471 05 20 45.52 +13 45 25.8 18.5 T 422
0051P a C2001 12 11.93995 05 20 18.28 +13 46 41.0 16.8 T 213
0051P d C2001 12 11.93995 05 20 17.60 +13 46 41.6 17.0 T 213
0051P a C2001 12 11.94807 05 20 17.75 +13 46 44.2 16.8 T 213
0051P d C2001 12 11.94807 05 20 16.98 +13 46 43.1 17.0 T 213
0051P a C2001 12 11.94951 05 20 17.76 +13 46 43.4 16.7 T 170
0051P d C2001 12 11.94951 05 20 16.93 +13 46 43.6 16.9 T 170
0051P a C2001 12 11.95206 05 20 17.57 +13 46 44.2 16.8 T 213
0051P d C2001 12 11.95206 05 20 16.87 +13 46 43.9 17.0 T 213
0051P a C2001 12 11.96273 05 20 16.80 +13 46 46.3 16.7 T 170
0051P d C2001 12 11.96273 05 20 16.03 +13 46 46.0 16.8 T 170
0051P a C2001 12 11.97027 05 20 16.26 +13 46 47.8 16.7 T 170
0051P d C2001 12 11.97027 05 20 15.59 +13 46 48.2 16.9 T 170
0051P a C2001 12 11.98865 05 20 15.08 +13 46 51.5 16.7 T 170
0051P d C2001 12 11.98865 05 20 14.29 +13 46 51.6 16.8 T 170
Observer details:
046 Klet. Observers J. Ticha, M. Tichy. 0.57-m f/5.2 reflector + CCD.
118 Modra. Observers A. Galad, L. Kornos. 0.6-m f/5.5 reflector + CCD.
170 Observatorio de Beques. Observer J. Manteca. 0.26-m Schmidt-Cassegrain
+ CCD.
213 Observatorio Montcabre. Observer R. Naves N. Measurer M. Campas.
0.25-m f/3.3 Schmidt-Cassegrain + CCD.
235 CAST Observatory, Talmassons. Observer R. Ligustri. 0.35-m f/3.5
reflector + CCD.
309 Cerro Paranal. Observers H. Boehnhardt, G. P. Tozzi. ESO 8.2-m UT4
Telescope + CCD.
349 Ageo. Observer K. Kadota. 0.18-m f/5.5 reflector + CCD.
422 Loomberah. Observer G. J. Garradd. 0.45-m f/5.4 reflector + CCD.
587 Sormano. Observers A. Testa, M. Cavagna. 0.5-m reflector + CCD.
611 Starkenburg. Observers M. Busch, A. Deckert, P. Geffert, J. Rothermel,
R. Stoss. 0.45-m f/4.4 reflector + CCD.
620 Observatorio Astronomico de Mallorca. Observers J. Rodriguez, S. Sanchez.
0.30-m f/3.3 Schmidt-Cassegrain + CCD.
691 Steward Observatory, Kitt Peak. Observer J. V. Scotti. 0.9-m Spacewatch
telescope.
941 Observatorio Pla D'Arguines. Observer R. Ferrando. 0.26-m f/10
Schmidt-Cassegrain + CCD.
Orbital elements:
51P-A/Harrington
Epoch 2001 June 20.0 TT = JDT 2452080.5
T 2001 June 5.74638 TT MPC
q 1.5681344 (2000.0) P Q
n 0.14554488 Peri. 233.60213 +0.98407231 +0.11973220
a 3.5793549 Node 119.18055 -0.07118061 +0.94271278
e 0.5618947 Incl. 8.65591 -0.16289569 +0.31137889
P 6.77
From 245 observations 1994 May 1-2001 Dec. 11, mean residual 0".78. Non-
gravitational parameters A1 = +1.35 +/- 0.05, A2 = +1.2172 +/- 0.0564.
Ephemeris:
51P/Harrington
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2001 12 07 05 25.65 +13 31.8 1.376 2.349 168.3 4.9 16.6
2001 12 17 05 15.02 +14 03.7 1.437 2.411 169.2 4.4 16.9
2001 12 27 05 05.81 +14 41.4 1.526 2.473 159.8 7.9 17.3
2002 01 06 04 58.96 +15 23.3 1.641 2.534 148.9 11.5 17.7
2002 01 16 04 54.92 +16 07.7 1.778 2.596 138.2 14.6 18.0
2002 01 26 04 53.78 +16 53.3 1.935 2.657 128.1 17.0 18.4
2002 02 05 04 55.36 +17 38.9 2.106 2.718 118.5 18.6 18.8
2002 02 15 04 59.35 +18 23.2 2.289 2.779 109.4 19.6 19.2
2002 02 25 05 05.42 +19 05.3 2.480 2.839 100.9 20.0 19.5
2002 03 07 05 13.21 +19 44.3 2.676 2.899 92.8 20.0 19.9
2002 03 17 05 22.42 +20 19.3 2.874 2.958 85.0 19.6 20.2
2002 03 27 05 32.80 +20 49.9 3.070 3.016 77.5 18.8 20.5
2002 04 06 05 44.08 +21 15.5 3.264 3.074 70.3 17.8 20.8
Brian G. Marsden (C) Copyright 2001 MPC M.P.E.C. 2001-X45
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