MPEC 2001-N27 : COMET P/2001 MD7 (LINEAR)
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M.P.E.C. 2001-N27 Issued 2001 July 12, 22:29 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 06 21.30593 19 12 54.22 -10 23 10.6 17.6 N 704
PK01M07D C2001 06 21.31827 19 12 53.69 -10 23 13.2 17.6 N 704
PK01M07D C2001 06 21.33106 19 12 53.09 -10 23 15.9 17.8 N 704
PK01M07D C2001 06 21.34362 19 12 52.47 -10 23 18.4 17.9 N 704
PK01M07D C2001 06 21.35626 19 12 51.81 -10 23 20.5 17.7 N 704
PK01M07D C2001 06 24.33642 19 10 32.97 -10 34 49.8 17.4 N 704
PK01M07D C2001 06 24.34819 19 10 32.37 -10 34 53.6 17.4 N 704
PK01M07D C2001 06 24.36059 19 10 31.69 -10 34 56.0 16.9 N 704
PK01M07D C2001 06 24.37230 19 10 31.10 -10 34 59.2 17.4 N 704
PK01M07D C2001 06 24.38481 19 10 30.41 -10 35 01.9 17.5 N 704
PK01M07D C2001 07 10.25130 18 54 40.79 -12 12 12.4 16.9 T 704
PK01M07D C2001 07 10.26372 18 54 40.01 -12 12 18.4 17.1 T 704
PK01M07D C2001 07 10.27676 18 54 39.02 -12 12 25.2 17.4 T 704
PK01M07D C2001 07 10.28917 18 54 38.17 -12 12 31.7 17.3 T 704
PK01M07D C2001 07 11.21836 18 53 34.78 -12 20 04.6 16.7 T 704
PK01M07D C2001 07 11.22853 18 53 34.06 -12 20 09.6 17.0 T 704
PK01M07D C2001 07 11.24077 18 53 33.10 -12 20 14.8 17.7 T 704
PK01M07D C2001 07 11.25202 18 53 32.42 -12 20 20.4 17.1 T 704
PK01M07D C2001 07 11.91609 18 52 46.53 -12 25 54.3 15.8 N 938
PK01M07D C2001 07 11.91892 18 52 46.30 -12 25 56.2 15.7 N 938
PK01M07D C2001 07 11.92317 18 52 45.96 -12 25 59.3 15.5 N 952
PK01M07D C2001 07 11.92596 18 52 45.86 -12 26 00.2 15.5 N 938
PK01M07D C2001 07 11.92891 18 52 45.65 -12 26 01.6 15.6 N 952
PK01M07D C2001 07 11.93255 18 52 45.47 -12 26 02.7 15.6 N 952
PK01M07D C2001 07 11.95491 18 52 43.77 -12 26 13.2 16.1 N 938
PK01M07D C2001 07 11.96027 18 52 43.36 -12 26 16.3 15.9 N 938
PK01M07D C2001 07 11.96456 18 52 43.05 -12 26 18.0 15.7 T 938
PK01M07D C2001 07 11.96698 18 52 42.83 -12 26 20.8 16.5 N 198
PK01M07D C2001 07 11.99957 18 52 40.50 -12 26 37.2 16.6 N 198
PK01M07D C2001 07 12.07222 18 52 35.84 -12 27 02.6 808
PK01M07D C2001 07 12.08530 18 52 35.02 -12 27 08.3 808
PK01M07D C2001 07 12.09699 18 52 33.97 -12 27 15.7 808
PK01M07D C2001 07 12.31811 18 52 18.29 -12 29 17.9 16.6 T 704
PK01M07D C2001 07 12.32817 18 52 17.52 -12 29 22.9 16.8 T 704
PK01M07D C2001 07 12.33833 18 52 16.84 -12 29 28.1 17.0 T 704
PK01M07D C2001 07 12.34818 18 52 16.05 -12 29 33.5 16.8 T 704
PK01M07D C2001 07 12.88267 18 51 39.29 -12 34 09.3 557
PK01M07D C2001 07 12.88419 18 51 39.19 -12 34 09.9 557
PK01M07D C2001 07 12.88569 18 51 39.07 -12 34 10.6 557
Observer details:
198 Wildberg. Observer R. Apitzsch. 0.24-m Schmidt-Cassegrain + CCD.
557 Ondrejov. Observer L. Sarounova. 0.65-m f/3.6 reflector + CCD.
704 Lincoln Laboratory ETS, New Mexico. Observers M. Blythe, F. Shelly,
M. Bezpalko, R. Huber, L. Manguso, S. Adams. Measurers J. Stuart,
R. Sayer, J. B. Evans, H. Viggh. 1.0-m f/2.15 reflector + CCD.
808 El Leoncito. Observer H. S. Lepez. 0.5-m f/7.5 double astrograph + CCD.
938 Linhaceira. Observer R. Goncalves. 0.25-m f/7.1 Schmidt-Cassegrain + CCD.
952 Marxuquera. Observer J. J. Gomez. 0.25-m f/3.3 Schmidt-Cassegrain + CCD.
Orbital elements:
P/2001 MD7 (LINEAR)
T 2001 Nov. 30.4679 TT Marsden
q 1.261944 (2000.0) P Q
n 0.1314168 Peri. 244.4228 +0.9522256 -0.2476978
a 3.831499 Node 129.3848 +0.2876786 +0.9238558
e 0.670640 Incl. 13.3635 -0.1025060 +0.2917813
P 7.50
From 38 observations 2001 June 21-July 12.
Ephemeris:
P/2001 MD7 (LINEAR)
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2001 06 30 19 05.51 -11 02.4 1.156 2.156 166.0 6.6 15.7
2001 07 10 18 54.97 -12 10.1 1.070 2.076 168.6 5.5 15.3
2001 07 20 18 43.27 -13 41.0 1.009 1.997 160.9 9.6 15.0
2001 07 30 18 32.01 -15 30.9 0.971 1.918 150.0 15.4 14.8
2001 08 09 18 22.90 -17 33.3 0.953 1.840 138.7 21.3 14.5
2001 08 19 18 17.38 -19 41.6 0.950 1.763 127.9 26.9 14.4
2001 08 29 18 16.51 -21 50.1 0.958 1.688 118.1 31.8 14.2
2001 09 08 18 20.80 -23 54.4 0.973 1.616 109.4 36.0 14.0
2001 09 18 18 30.40 -25 50.4 0.990 1.547 101.7 39.5 13.9
2001 09 28 18 45.31 -27 34.2 1.007 1.483 95.1 42.3 13.7
2001 10 08 19 05.34 -29 00.7 1.022 1.424 89.6 44.6 13.6
2001 10 18 19 30.24 -30 03.6 1.035 1.372 85.0 46.3 13.4
2001 10 28 19 59.63 -30 35.7 1.045 1.329 81.3 47.7 13.3
2001 11 07 20 32.89 -30 29.4 1.054 1.296 78.5 48.6 13.2
2001 11 17 21 09.21 -29 37.5 1.064 1.273 76.6 49.1 13.2
2001 11 27 21 47.57 -27 55.3 1.077 1.263 75.3 49.1 13.2
2001 12 07 22 26.81 -25 22.4 1.096 1.265 74.6 48.7 13.2
2001 12 17 23 05.91 -22 03.0 1.124 1.279 74.4 47.8 13.3
2001 12 27 23 44.07 -18 06.5 1.164 1.305 74.3 46.5 13.5
2002 01 06 00 20.74 -13 46.1 1.217 1.341 74.2 44.9 13.7
2002 01 16 00 55.71 -09 15.9 1.287 1.387 74.0 43.0 14.0
2002 01 26 01 28.96 -04 49.0 1.372 1.441 73.4 40.9 14.3
2002 02 05 02 00.57 -00 35.9 1.472 1.502 72.3 38.7 14.6
2002 02 15 02 30.70 +03 16.2 1.587 1.568 70.7 36.5 15.0
2002 02 25 02 59.54 +06 43.4 1.715 1.638 68.6 34.2 15.3
2002 03 07 03 27.20 +09 44.1 1.854 1.711 66.0 32.0 15.7
2002 03 17 03 53.84 +12 18.3 2.002 1.787 63.0 29.8 16.0
2002 03 27 04 19.55 +14 27.1 2.157 1.864 59.7 27.5 16.4
2002 04 06 04 44.38 +16 12.4 2.316 1.942 56.0 25.3 16.7
2002 04 16 05 08.39 +17 36.0 2.477 2.021 52.0 23.0 17.0
2002 04 26 05 31.61 +18 39.9 2.639 2.101 47.9 20.8 17.3
2002 05 06 05 54.05 +19 26.3 2.799 2.180 43.5 18.6 17.6
2002 05 16 06 15.73 +19 56.9 2.955 2.259 38.9 16.3 17.9
2002 05 26 06 36.65 +20 13.5 3.106 2.338 34.2 14.1 18.1
Brian G. Marsden (C) Copyright 2001 MPC M.P.E.C. 2001-N27
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