MPEC 2001-O31 : COMET P/2001 MD7 (LINEAR)
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M.P.E.C. 2001-O31 Issued 2001 July 23, 17:53 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/2001 MD7 (LINEAR)
Observations:
PK01M07D C2001 07 12.85868 18 51 40.87 -12 33 56.8 16.2 N 596
PK01M07D C2001 07 12.87957 18 51 39.37 -12 34 07.5 596
PK01M07D C2001 07 12.88652 18 51 38.75 -12 34 13.9 596
PK01M07D C2001 07 12.92053 18 51 36.55 -12 34 25.6 15.4 T 938
PK01M07D C2001 07 12.92505 18 51 36.28 -12 34 30.1 16.1 T 938
PK01M07D C2001 07 12.92675 18 51 35.96 -12 34 30.8 16.0 T 470
PK01M07D C2001 07 12.92882 18 51 35.81 -12 34 32.2 16.0 T 470
PK01M07D C2001 07 12.92959 18 51 35.90 -12 34 32.0 16.0 T 938
PK01M07D C2001 07 12.93486 18 51 35.44 -12 34 36.0 165
PK01M07D C2001 07 12.94346 18 51 34.95 -12 34 41.2 165
PK01M07D C2001 07 12.94751 18 51 34.76 -12 34 43.5 165
PK01M07D C2001 07 12.96434 18 51 33.22 -12 34 51.1 16.5 N 157
PK01M07D C2001 07 12.97071 18 51 32.76 -12 34 54.4 16.5 N 157
PK01M07D C2001 07 12.97638 18 51 32.36 -12 34 57.8 16.2 N 157
PK01M07D C2001 07 12.97981 18 51 32.30 -12 34 59.3 16.2 T 938
PK01M07D C2001 07 12.98424 18 51 31.95 -12 35 01.1 16.1 T 938
PK01M07D C2001 07 12.98866 18 51 31.66 -12 35 03.1 16.1 T 938
PK01M07D C2001 07 13.00432 18 51 30.43 -12 35 12.1 16.1 T 170
PK01M07D C2001 07 13.01003 18 51 30.00 -12 35 14.7 16.0 T 170
PK01M07D C2001 07 13.01804 18 51 29.48 -12 35 19.4 16.0 T 170
PK01M07D C2001 07 13.03162 18 51 28.39 -12 35 26.0 16.0 T 170
PK01M07D C2001 07 13.22626 18 51 15.20 -12 37 07.6 14.5 T 921
PK01M07D C2001 07 13.27038 18 51 12.12 -12 37 30.3 15.2 T 921
PK01M07D C2001 07 13.93747 18 50 25.09 -12 43 23.2 16.2 N 941
PK01M07D C2001 07 13.94147 18 50 24.80 -12 43 26.3 16.2 N 941
PK01M07D C2001 07 13.94527 18 50 24.47 -12 43 27.2 16.0 T 170
PK01M07D IC2001 07 13.95082 18 50 24.18 -12 43 30.7 170
PK01M07D C2001 07 13.95301 18 50 24.06 -12 43 32.7 14.4 T 213
PK01M07D 2001 07 14.58229 18 49 39.67 -12 49 08.3 16.0 T 372
PK01M07D 2001 07 14.59306 18 49 38.89 -12 49 13.9 16.0 T 372
PK01M07D C2001 07 14.84108 18 49 21.51 -12 51 29.7 046
PK01M07D C2001 07 14.84207 18 49 21.44 -12 51 30.3 046
PK01M07D C2001 07 14.84325 18 49 21.34 -12 51 31.3 046
PK01M07D C2001 07 14.84439 18 49 21.27 -12 51 31.8 16.0 T 046
PK01M07D C2001 07 16.91735 18 46 54.30 -13 10 48.0 16.0 T 213
PK01M07D C2001 07 16.92093 18 46 53.99 -13 10 50.1 16.0 T 213
PK01M07D C2001 07 16.92809 18 46 53.34 -13 10 55.1 16.1 T 213
PK01M07D C2001 07 17.89797 18 45 44.39 -13 20 13.8 204
PK01M07D C2001 07 17.94974 18 45 40.61 -13 20 44.1 15.9 T 204
PK01M07D C2001 07 22.90064 18 39 50.73 -14 11 18.7 16.1 T 151
PK01M07D C2001 07 22.90294 18 39 50.53 -14 11 19.7 16.3 T 151
PK01M07D C2001 07 22.91034 18 39 50.11 -14 11 24.7 16.0 T 151
PK01M07D C2001 07 22.91486 18 39 49.72 -14 11 27.4 16.4 T 151
PK01M07D C2001 07 22.93031 18 39 48.52 -14 11 36.3 15.7 T 470
PK01M07D C2001 07 22.93699 18 39 48.00 -14 11 41.5 15.7 T 470
Observer details:
046 Klet. Observers J. Ticha, M. Tichy, P. Jelinek. 0.57-m f/5.2 reflector
+ CCD.
151 Eschenberg Observatory, Winterthur. Observer M. Griesser. 0.40-m f/5.8
Hypergraph.
157 Frasso Sabino. Observers F. Anzellini, R. Haver. 0.20-m f/6.3
Schmidt-Cassegrain + CCD.
165 Piera Observatory, Barcelona. Observer J. Guarro. 0.40-m f/2 Schmidt
+ CCD.
170 Observatorio de Beques. Observer J. Manteca. 0.26-m Schmidt-Cassegrain
+ CCD.
204 Schiaparelli Observatory. Observer L. Buzzi. 0.6-m f/4.6 reflector + CCD.
213 Observatorio Montcabre. Observer R. Naves N. 0.25-m f/3.3
Schmidt-Cassegrain + CCD.
372 Geisei. Observer T. Seki. 0.60-m f/3.5 reflector.
470 Ceccano. Observer G. Masi. 0.28-m f/3.3 reflector + CCD.
596 Colleverde di Guidonia. Observer V. S. Casulli. 0.40-m f/2.95 reflector
+ CCD.
921 SW Institute for Space Research, Cloudcroft. Observer A. Hale. 0.30-m
Schmidt-Cassegrain + CCD.
938 Linhaceira. Observer R. Goncalves. 0.25-m f/6.7 Schmidt-Cassegrain + CCD.
941 Observatorio Pla D'Arguines. Observer R. Ferrando. 0.26-m f/10
Schmidt-Cassegrain + CCD.
Orbital elements:
P/2001 MD7 (LINEAR)
T 2001 Nov. 30.1576 TT Marsden
q 1.254121 (2000.0) P Q
n 0.1242071 Peri. 244.8704 +0.9506862 -0.2515117
a 3.978370 Node 129.1558 +0.2920850 +0.9228300
e 0.684765 Incl. 13.5354 -0.1043172 +0.2917646
P 7.94
From 71 observations 2001 June 21-July 22.
Ephemeris:
P/2001 MD7 (LINEAR)
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2001 07 20 18 43.25 -13 41.0 1.017 2.005 160.9 9.5 15.1
2001 07 30 18 31.93 -15 31.0 0.978 1.925 149.9 15.3 14.8
2001 08 09 18 22.71 -17 33.8 0.958 1.845 138.6 21.3 14.6
2001 08 19 18 17.04 -19 42.7 0.954 1.767 127.9 26.9 14.4
2001 08 29 18 16.00 -21 52.2 0.962 1.690 118.0 31.9 14.2
2001 09 08 18 20.12 -23 57.7 0.975 1.616 109.2 36.1 14.0
2001 09 18 18 29.56 -25 55.5 0.991 1.545 101.5 39.6 13.9
2001 09 28 18 44.36 -27 41.4 1.006 1.480 94.9 42.4 13.7
2001 10 08 19 04.34 -29 10.3 1.020 1.419 89.3 44.7 13.6
2001 10 18 19 29.27 -30 16.0 1.031 1.366 84.8 46.6 13.4
2001 10 28 19 58.82 -30 51.0 1.039 1.322 81.1 47.9 13.3
2001 11 07 20 32.36 -30 47.2 1.046 1.288 78.4 48.9 13.2
2001 11 17 21 09.09 -29 56.9 1.054 1.265 76.5 49.4 13.1
2001 11 27 21 47.95 -28 15.1 1.065 1.255 75.3 49.5 13.1
2001 12 07 22 27.76 -25 40.7 1.082 1.257 74.7 49.1 13.2
2001 12 17 23 07.41 -22 18.1 1.109 1.272 74.6 48.2 13.3
2001 12 27 23 46.06 -18 17.1 1.148 1.299 74.7 46.9 13.4
2002 01 06 00 23.15 -13 51.5 1.201 1.337 74.8 45.2 13.7
2002 01 16 00 58.43 -09 16.1 1.270 1.385 74.6 43.2 13.9
2002 01 26 01 31.91 -04 44.8 1.356 1.441 74.1 41.1 14.2
2002 02 05 02 03.65 -00 28.5 1.458 1.503 73.0 38.9 14.6
2002 02 15 02 33.85 +03 25.7 1.575 1.571 71.5 36.6 14.9
2002 02 25 03 02.70 +06 53.9 1.705 1.643 69.4 34.3 15.3
2002 03 07 03 30.33 +09 54.7 1.847 1.718 66.8 32.1 15.7
2002 03 17 03 56.90 +12 28.4 1.997 1.795 63.8 29.8 16.0
2002 03 27 04 22.50 +14 36.4 2.154 1.874 60.4 27.6 16.4
2002 04 06 04 47.20 +16 20.5 2.316 1.954 56.7 25.3 16.7
2002 04 16 05 11.07 +17 42.9 2.480 2.035 52.7 23.1 17.1
2002 04 26 05 34.13 +18 45.7 2.645 2.116 48.5 20.8 17.4
2002 05 06 05 56.40 +19 30.9 2.808 2.197 44.0 18.6 17.7
2002 05 16 06 17.91 +20 00.5 2.967 2.278 39.4 16.4 17.9
2002 05 26 06 38.66 +20 16.4 3.120 2.358 34.6 14.1 18.2
Brian G. Marsden (C) Copyright 2001 MPC M.P.E.C. 2001-O31
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