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M.P.E.C. 2001-Q22 Issued 2001 Aug. 20, 15:01 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 08 01.59947 18 29 15.71 -16 01 57.8 322
PK01M07D C2001 08 01.90521 18 28 57.71 -16 05 49.5 636
PK01M07D C2001 08 01.90914 18 28 57.39 -16 05 53.3 636
PK01M07D C2001 08 06.92700 18 24 22.36 -17 07 46.9 952
PK01M07D C2001 08 06.93149 18 24 22.11 -17 07 49.7 952
PK01M07D C2001 08 06.93514 18 24 21.86 -17 07 52.6 952
PK01M07D C2001 08 07.42913 18 23 57.53 -17 13 56.2 15.1 T 428
PK01M07D C2001 08 07.43218 18 23 57.43 -17 13 58.5 15.3 T 428
PK01M07D C2001 08 07.43522 18 23 57.19 -17 14 01.1 15.3 T 428
PK01M07D C2001 08 07.88606 18 23 35.22 -17 19 51.0 952
PK01M07D C2001 08 07.89166 18 23 34.92 -17 19 55.7 952
PK01M07D C2001 08 07.89558 18 23 34.70 -17 19 58.7 952
PK01M07D C2001 08 09.13970 18 22 35.98 -17 35 32.9 16.2 T 844
PK01M07D C2001 08 09.15179 18 22 35.46 -17 35 41.2 16.1 T 844
PK01M07D C2001 08 09.15645 18 22 35.19 -17 35 45.5 16.0 T 844
PK01M07D C2001 08 10.15546 18 21 51.13 -17 48 39.1 16.6 T 704
PK01M07D C2001 08 10.16729 18 21 50.60 -17 48 48.5 17.0 T 704
PK01M07D C2001 08 10.17911 18 21 50.06 -17 48 57.3 16.9 T 704
PK01M07D C2001 08 10.20274 18 21 48.91 -17 49 15.8 16.9 T 704
PK01M07D C2001 08 11.84758 18 20 40.90 -18 10 20.4 16.2 T 213
PK01M07D C2001 08 11.85117 18 20 40.83 -18 10 22.7 16.3 T 213
PK01M07D C2001 08 11.85477 18 20 40.70 -18 10 24.3 16.3 T 213
PK01M07D C2001 08 12.83348 18 20 03.23 -18 23 02.8 16.3 T 213
PK01M07D C2001 08 12.84067 18 20 02.98 -18 23 05.5 16.3 T 213
PK01M07D C2001 08 12.85155 18 20 02.16 -18 23 10.8 16.2 T 213
PK01M07D C2001 08 12.86233 18 20 01.93 -18 23 22.0 16.3 T 213
PK01M07D IC2001 08 12.87350 18 20 01.33 -18 23 22.5 16.3 T 170
PK01M07D C2001 08 14.85757 18 18 53.22 -18 49 08.4 16.3 T 213
PK01M07D C2001 08 14.86116 18 18 53.04 -18 49 10.7 16.3 T 213
PK01M07D C2001 08 14.86476 18 18 52.86 -18 49 13.8 16.3 T 213
PK01M07D C2001 08 14.86836 18 18 52.79 -18 49 17.1 16.3 T 213
PK01M07D C2001 08 14.87194 18 18 52.63 -18 49 17.8 16.3 T 213
PK01M07D C2001 08 17.82841 18 17 29.58 -19 27 43.9 15.8 N 232
PK01M07D C2001 08 17.85619 18 17 28.92 -19 28 00.1 232
PK01M07D C2001 08 18.14773 18 17 22.00 -19 31 46.7 16.8 T 704
PK01M07D C2001 08 18.16084 18 17 21.60 -19 31 57.6 17.1 T 704
PK01M07D C2001 08 18.17429 18 17 21.27 -19 32 07.7 17.1 T 704
PK01M07D C2001 08 18.18715 18 17 20.89 -19 32 18.7 17.3 T 704
PK01M07D C2001 08 18.20009 18 17 20.57 -19 32 28.8 16.8 T 704
PK01M07D C2001 08 19.14496 18 17 00.18 -19 44 45.1 17.0 T 704
PK01M07D C2001 08 19.15783 18 16 59.88 -19 44 55.1 17.1 T 704
PK01M07D C2001 08 19.17085 18 16 59.59 -19 45 05.0 16.7 T 704
PK01M07D C2001 08 19.18435 18 16 59.27 -19 45 16.2 17.0 T 704
PK01M07D C2001 08 19.19714 18 16 58.95 -19 45 26.7 16.8 T 704
Observer details:
170 Observatorio de Beques. Observer J. Manteca. 0.26-m Schmidt-Cassegrain
+ CCD.
213 Observatorio Montcabre. Observer R. Naves N. 0.25-m f/3.3
Schmidt-Cassegrain + CCD.
232 Masquefa Observatory. Observer E. Reina L. 0.25-m f/6.3 Schmidt-
Cassegrain + CCD. Long. = 1.3317, rho cos phi' = 0.7500, rho sin phi'
= +0.6593.
322 Perth Observatory, Bickley-MCT. Observer J. Biggs. 0.25-m f/4.5 reflector
+ CCD.
428 Reedy Creek. Observer J. Broughton. 0.25-m f/6.3 Schmidt-Cassegrain
+ CCD.
636 Essen. Observers T. Payer, A. Knofel. 0.32-m f/5.7 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.
844 Los Molinos. Observer F. Artigue. 0.35-m f/6.4 reflector + 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. 30.1215 TT Marsden
q 1.254301 (2000.0) P Q
n 0.1245384 Peri. 244.8405 +0.9507966 -0.2512328
a 3.971311 Node 129.1697 +0.2917676 +0.9229044
e 0.684160 Incl. 13.5236 -0.1041995 +0.2917696
P 7.91
From 130 observations 2001 June 21-Aug. 19.
Ephemeris:
P/2001 MD7 (LINEAR)
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2001 08 19 18 17.05 -19 42.7 0.954 1.766 127.9 26.9 14.4
2001 08 29 18 16.02 -21 52.2 0.961 1.689 118.0 31.9 14.2
2001 09 08 18 20.15 -23 57.8 0.974 1.616 109.2 36.1 14.0
2001 09 18 18 29.60 -25 55.5 0.990 1.545 101.5 39.6 13.9
2001 09 28 18 44.42 -27 41.3 1.006 1.479 94.9 42.4 13.7
2001 10 08 19 04.41 -29 10.2 1.019 1.419 89.4 44.7 13.6
2001 10 18 19 29.35 -30 15.8 1.030 1.366 84.8 46.6 13.4
2001 10 28 19 58.91 -30 50.6 1.039 1.322 81.1 47.9 13.3
2001 11 07 20 32.45 -30 46.6 1.046 1.288 78.4 48.9 13.2
2001 11 17 21 09.18 -29 56.2 1.054 1.265 76.5 49.4 13.1
2001 11 27 21 48.04 -28 14.2 1.065 1.255 75.3 49.5 13.1
2001 12 07 22 27.83 -25 39.8 1.082 1.257 74.7 49.1 13.2
2001 12 17 23 07.46 -22 17.1 1.109 1.272 74.6 48.2 13.3
2001 12 27 23 46.10 -18 16.1 1.148 1.300 74.7 46.9 13.4
2002 01 06 00 23.17 -13 50.6 1.201 1.338 74.8 45.2 13.7
2002 01 16 00 58.44 -09 15.3 1.270 1.385 74.6 43.2 13.9
2002 01 26 01 31.90 -04 44.2 1.356 1.441 74.1 41.1 14.2
2002 02 05 02 03.63 -00 28.0 1.458 1.503 73.0 38.9 14.6
2002 02 15 02 33.83 +03 26.0 1.575 1.571 71.5 36.6 14.9
2002 02 25 03 02.67 +06 54.2 1.705 1.643 69.4 34.3 15.3
2002 03 07 03 30.29 +09 54.8 1.847 1.718 66.8 32.1 15.7
2002 03 17 03 56.85 +12 28.4 1.997 1.795 63.8 29.8 16.0
2002 03 27 04 22.46 +14 36.4 2.154 1.874 60.4 27.6 16.4
2002 04 06 04 47.16 +16 20.5 2.316 1.954 56.7 25.3 16.7
2002 04 16 05 11.03 +17 42.9 2.480 2.035 52.7 23.1 17.1
2002 04 26 05 34.09 +18 45.7 2.645 2.116 48.4 20.8 17.4
2002 05 06 05 56.36 +19 30.9 2.807 2.197 44.0 18.6 17.7
2002 05 16 06 17.88 +20 00.5 2.966 2.277 39.4 16.4 17.9
2002 05 26 06 38.63 +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-Q22
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