MPEC 2001-F17 : COMET P/2000 WT168
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M.P.E.C. 2001-F17 Issued 2001 Mar. 20, 19:26 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 P/2000 WT168
Observations:
PK00WG8T 1978 03 06.60823 12 02 48.91 -39 14 09.2 413
PK00WG8T 1978 03 06.66031 12 02 47.39 -39 14 31.4 413
PK00WG8T 1986 03 14.73026 16 16 38.94 -40 10 01.1 18 T 413
PK00WG8T 1986 03 14.77887 16 16 40.96 -40 10 10.9 413
PK00WG8T C2001 02 18.57285 08 07 32.76 -08 55 58.9 349
PK00WG8T C2001 02 18.57554 08 07 32.66 -08 56 00.8 349
PK00WG8T C2001 02 18.57825 08 07 32.61 -08 56 01.3 349
PK00WG8T C2001 02 18.58447 08 07 32.41 -08 56 03.6 16.4 T 349
PK00WG8T C2001 02 19.59019 08 07 02.47 -09 02 40.0 16.6 T 360
PK00WG8T C2001 02 19.59302 08 07 02.38 -09 02 41.1 360
PK00WG8T C2001 02 20.58028 08 06 35.04 -09 08 50.4 16.8 T 348
PK00WG8T C2001 02 20.58906 08 06 34.77 -09 08 52.5 348
PK00WG8T C2001 03 05.43800 08 04 08.83 -10 01 05.9 17.2 T 428
PK00WG8T C2001 03 05.44030 08 04 08.79 -10 01 07.0 17.2 T 428
PK00WG8T C2001 03 10.07890 08 04 57.73 -10 10 07.8 17.5 T 739
PK00WG8T C2001 03 10.08872 08 04 57.85 -10 10 09.8 17.8 T 739
PK00WG8T C2001 03 10.10213 08 04 58.03 -10 10 09.9 17.3 T 739
PK00WG8T C2001 03 13.41914 08 06 06.40 -10 13 54.0 18.0 T 422
PK00WG8T C2001 03 13.42162 08 06 06.45 -10 13 53.9 18.0 T 422
PK00WG8T C2001 03 13.42247 08 06 06.48 -10 13 54.2 17.8 T 422
PK00WG8T C2001 03 15.01096 08 06 48.85 -10 15 09.6 16.5 T 844
PK00WG8T C2001 03 15.01960 08 06 49.09 -10 15 09.9 15.7 T 844
PK00WG8T C2001 03 15.03552 08 06 49.46 -10 15 10.9 15.8 T 844
PK00WG8T C2001 03 18.44638 08 08 41.69 -10 16 48.6 17.7 T 428
PK00WG8T C2001 03 18.45115 08 08 41.87 -10 16 48.8 17.9 T 428
Observer details:
348 Ayabe. Observer N. Otuki. 0.28-m f/5.5 Schmidt-Cassegrain + CCD.
349 Ageo. Observer K. Kadota. 0.18-m f/5.5 reflector + CCD.
360 Kuma Kogen. Observer A. Nakamura. 0.60-m f/6.0 Ritchey-Chretien + CCD.
413 Siding Spring. Observers M. R. S. Hawkins, P. R. Standen. Trails
located and measured by R. H. McNaught, M. Read and DANEOPS (R. Stoss).
1.2-m U.K. Schmidt. The 1986 image is poor and the end involved with
a star.
422 Loomberah. Observer G. J. Garradd. 0.45-m f/5.4 reflector + CCD.
428 Reedy Creek. Observer J. Broughton. 0.25-m f/6.6 Schmidt-Cassegrain
+ CCD.
739 Sunflower Observatory, Olathe. Observer L. Robinson. 0.30-m
Schmidt-Cassegrain + CCD.
844 Los Molinos. Observer R. Salvo. 0.35-m f/6.4 reflector + CCD.
Orbital elements:
P/2000 WT168
Epoch 1978 Jan. 12.0 TT = JDT 2443520.5
T 1978 Jan. 21.38326 TT Marsden
q 1.7828667 (2000.0) P Q
n 0.12748048 Peri. 243.94402 -0.88471997 -0.34379691
a 3.9099715 Node 274.57461 +0.45218302 -0.79693445
e 0.5440205 Incl. 18.40710 -0.11314188 -0.49668820
P 7.73
P/2000 WT168
Epoch 1985 Oct. 22.0 TT = JDT 2446360.5
T 1985 Oct. 22.73001 TT Marsden
q 1.7933277 (2000.0) P Q
n 0.12697705 Peri. 244.08065 -0.88496041 -0.34353726
a 3.9202992 Node 274.46443 +0.45167557 -0.79748747
e 0.5425534 Incl. 18.38042 -0.11328839 -0.49597972
P 7.76
P/2000 WT168
Epoch 1993 Aug. 1.0 TT = JDT 2449200.5
T 1993 July 18.98646 TT Marsden
q 1.7803422 (2000.0) P Q
n 0.12760788 Peri. 244.06780 -0.88466726 -0.34398587
a 3.9073686 Node 274.44608 +0.45223865 -0.79722470
e 0.5443629 Incl. 18.40019 -0.11333155 -0.49609122
P 7.72
P/2000 WT168
Epoch 2001 Apr. 1.0 TT = JDT 2452000.5
T 2001 Mar. 23.32431 TT Marsden
q 1.7617182 (2000.0) P Q
n 0.12868100 Peri. 245.49959 -0.88044556 -0.35231188
a 3.8856150 Node 272.55231 +0.45982089 -0.79771160
e 0.5466051 Incl. 18.51996 -0.11567356 -0.48942062
P 7.66
Residuals in seconds of arc
780306 413 0.3- 0.7- 001220 163 0.9- 0.0 010211 104 1.4+ 0.8+
780306 413 0.2- 0.7- 001220 163 0.4- 0.2- 010211 104 1.3+ 0.9+
860314 413 0.6+ 0.1+ 001220 163 0.2+ 0.4- 010212 739 0.9+ 0.9+
860314 413 0.7- 0.2+ 001224 348 0.9- 0.2+ 010212 739 0.3- 0.3+
000927 704 0.5- 0.5- 001224 348 1.0- 0.7- 010212 739 0.0 0.3+
000927 704 0.6- 0.2- 001228 704 0.1- 0.2+ 010213 693 0.1- 0.1+
000927 704 0.0 0.6- 001228 704 0.3- 0.1+ 010213 693 0.1- 0.0
001102 704 0.6- 0.8+ 001228 704 0.3- 0.4- 010213 693 0.2- 0.1+
001102 704 0.6- 0.4+ 001228 704 0.3- 0.5- 010213 428 0.6+ 0.1-
001102 704 0.1+ 0.7+ 001228 704 0.1+ 0.5- 010213 428 0.3+ 0.1-
001102 704 0.3+ 0.3+ 001230 322 0.1+ 0.5- 010214 046 0.2- 0.1-
001102 704 1.0+ 0.1- 001230 322 0.1+ 0.3- 010214 046 0.1+ 0.0
001121 704 0.5- 0.1+ 001230 322 0.1+ 0.1- 010214 046 0.0 0.1-
001121 704 0.0 0.8+ 001230 322 0.1- 0.5- 010214 046 0.2- 0.6-
001121 704 0.6+ 0.4- 001231 711 0.3+ 0.5- 010214 046 0.4+ 0.2-
001121 704 0.2- 1.0+ 001231 711 0.2+ 0.4- 010214 046 0.1- 0.1+
001121 704 0.1- 0.6- 001231 711 0.4+ 0.5- 010214 046 0.1+ 0.1+
001125 699 1.8+ 0.0 010101 355 0.1- 0.3- 010214 046 0.2+ 0.2-
001125 699 0.2+ 0.4+ 010101 355 0.5- 0.1- 010214 046 0.0 0.0
001125 699 0.6+ 0.3+ 010101 355 0.0 0.4- 010214 046 0.1+ 0.1-
001125 699 1.3+ 0.8+ 010101 355 0.1- 0.1- 010214 046 0.0 0.0
001127 704 0.3+ 0.1- 010101 349 0.2- 1.1+ 010214 046 0.1+ 0.1+
001127 704 0.2- 0.8+ 010101 349 0.3- 0.9+ 010214 046 0.4+ 0.1-
001127 704 0.6- 0.3+ 010101 349 0.0 0.5+ 010214 046 0.1+ 0.1+
001127 704 0.2- 0.4+ 010101 349 0.3+ 0.1+ 010215 046 0.0 0.1+
001127 704 0.2- 0.4+ 010104 608 0.7+ 0.1+ 010215 046 0.1+ 0.2+
001216 704 0.2+ 0.7- 010104 608 0.5+ 0.2+ 010215 046 0.0 0.1+
001216 704 0.6- 0.2+ 010104 608 0.7+ 0.2+ 010215 046 0.1+ 0.1+
001216 704 1.0+ 0.0 010113 118 0.2- 0.1+ 010216 046 0.3+ 0.2+
001216 704 0.1- 0.2- 010113 118 0.1+ 0.1- 010216 046 0.2+ 0.1+
001216 704 0.4+ 0.8- 010115 118 0.2+ 0.1- 010216 046 0.0 0.1+
001217 854 0.2- 1.1+ 010115 118 0.1+ 0.2- 010216 046 0.2+ 0.0
001217 854 (2.1- 1.5-) 010116 608 0.2- 0.1+ 010216 046 0.2+ 0.1+
001217 808 0.4- 0.1+ 010116 608 0.3- 0.1+ 010216 046 0.2+ 0.2+
001217 854 (4.6- 0.6-) 010116 608 0.4- 0.1+ 010217 675 1.8- 0.3+
001217 808 0.7- 0.5- 010121 608 0.4- 1.2+ 010217 675 1.9- 0.3+
001217 808 0.2- 0.0 010121 608 0.2- 1.0+ 010217 675 1.9- 0.3+
001217 808 0.4+ 0.6- 010121 608 0.5- 0.7+ 010217 473 1.0- 0.6-
001217 808 0.3+ 0.2- 010130 913 1.5+ 0.3- 010217 473 0.2+ 0.2+
001217 704 0.3- 0.1- 010130 913 0.3+ 0.8- 010217 473 0.3+ 0.3-
001217 704 0.7- 0.7- 010130 913 0.4+ 0.1- 010217 473 0.5- 0.7-
001217 704 0.3- 0.5- 010202 704 0.2+ 0.2+ 010217 473 0.7+ 1.9-
001217 704 1.0- 0.4- 010202 704 0.5- 0.7+ 010217 473 (2.0- 0.4-)
001217 704 0.2- 0.2+ 010202 704 0.7- 1.0+ 010218 349 0.5- 0.7+
001217 704 0.1- 0.0 010202 704 0.6- 0.8+ 010218 349 0.6- 0.1-
001217 704 1.1+ 0.3+ 010202 704 0.3- 1.1+ 010218 349 0.0 0.5+
001217 670 (2.9- 1.7-) 010203 739 0.2- 0.3- 010218 349 0.2+ 0.7+
001217 704 0.2+ 0.1- 010203 739 0.9+ 0.3- 010218 106 0.0 0.1+
001217 704 0.3+ 0.0 010203 739 0.3+ 0.8- 010218 106 0.4+ 0.2+
001217 704 0.6+ 0.3- 010203 704 0.4- 0.4+ 010219 360 0.2+ 0.2-
001217 670 (2.1- 1.1+) 010203 704 0.1- 0.1+ 010219 360 0.2+ 0.2-
001217 734 0.6- 0.5- 010203 704 0.0 0.4+ 010220 348 0.1- 1.5-
001217 734 0.0 1.8- 010203 704 0.0 0.0 010220 348 0.3- 0.4-
001217 734 0.6+ 0.2+ 010203 704 0.3- 0.2- 010305 428 1.0+ 0.5+
001219 734 0.0 0.0 010208 118 0.3- 0.7+ 010305 428 0.3+ 0.3-
001219 734 (0.3- 2.3-) 010208 118 0.3- 0.2+ 010310 739 0.0 0.7-
001219 734 0.6- 1.2- 010210 151 0.1- 0.0 010310 739 0.1- 1.8-
001220 118 0.3+ 0.1+ 010210 151 0.3- 0.2- 010310 739 0.2- 0.7-
001220 118 0.3+ 0.1+ 010210 151 0.6- 0.4- 010313 422 0.0 0.1-
001220 118 0.2+ 0.2+ 010210 151 (2.5- 1.8-) 010313 422 0.0 0.2+
001220 557 0.3- 0.2- 010210 952 1.7+ 0.3- 010313 422 0.2+ 0.1-
001220 557 0.1- 0.0 010210 952 (2.1+ 0.3-) 010315 844 0.1- 0.5+
001220 557 0.3- 0.1- 010210 952 0.2+ 0.2+ 010315 844 0.2+ 0.5+
001220 557 0.2- 0.2+ 010210 952 0.1- 0.4- 010315 844 0.3- 0.2+
001220 696 0.4- 0.1- 010211 104 0.6+ 0.3+ 010318 428 0.2+ 0.4+
001220 696 0.3- 0.6- 010211 104 1.1+ 0.5+ 010318 428 0.5+ 0.3+
Ephemeris:
P/2000 WT168
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2001 03 12 08 05.56 -10 12.5 0.973 1.765 127.7 26.5 15.9 17.4
2001 03 22 08 11.14 -10 17.2 1.027 1.762 121.0 29.0 16.0 17.6
2001 04 01 08 20.56 -10 14.2 1.090 1.764 115.1 30.9 16.2 17.7
2001 04 11 08 33.33 -10 10.5 1.159 1.771 109.8 32.2 16.3 17.9
2001 04 21 08 48.82 -10 10.7 1.235 1.783 105.0 33.0 16.5 18.1
2001 05 01 09 06.53 -10 17.9 1.317 1.800 100.6 33.4 16.7 18.3
2001 05 11 09 25.92 -10 34.1 1.405 1.822 96.6 33.4 16.8 18.4
2001 05 21 09 46.54 -10 59.7 1.500 1.848 92.7 33.2 17.0 18.6
2001 05 31 10 08.02 -11 34.8 1.601 1.878 88.9 32.7 17.3 18.8
2001 06 10 10 30.04 -12 18.7 1.708 1.912 85.2 31.9 17.5 18.9
2001 06 20 10 52.35 -13 10.1 1.822 1.950 81.5 31.0 17.7 19.1
2001 06 30 11 14.79 -14 07.8 1.942 1.990 77.7 29.9 17.9 19.2
2001 07 10 11 37.18 -15 10.3 2.067 2.034 73.8 28.7 18.2 19.4
2001 07 20 11 59.45 -16 16.1 2.197 2.080 69.9 27.3 18.4 19.5
2001 07 30 12 21.56 -17 23.7 2.331 2.127 65.8 25.8 18.6 19.7
2001 08 09 12 43.45 -18 31.8 2.468 2.177 61.6 24.2 18.8 19.8
2001 08 19 13 05.11 -19 39.0 2.606 2.229 57.3 22.5 19.1 19.9
2001 08 29 13 26.56 -20 44.5 2.745 2.281 52.8 20.7 19.3 20.0
2001 09 08 13 47.77 -21 47.0 2.882 2.335 48.2 18.8 19.5 20.1
2001 09 18 14 08.77 -22 45.6 3.017 2.390 43.4 16.8 19.7 20.2
2001 09 28 14 29.54 -23 39.7 3.148 2.445 38.5 14.8 19.9 20.3
2001 10 08 14 50.08 -24 28.5 3.273 2.501 33.4 12.7 20.1 20.3
Brian G. Marsden (C) Copyright 2001 MPC M.P.E.C. 2001-F17
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