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M.P.E.C. 2001-Q31 Issued 2001 Aug. 21, 21:45 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 Q2 (PETRIEW)
Observations:
PK01Q020 C2001 08 19.45502 05 37 59.10 +27 47 07.8 13.2 T 921
PK01Q020 C2001 08 19.46173 05 38 01.45 +27 46 58.4 13.0 T 921
PK01Q020 C2001 08 19.47459 05 38 05.77 +27 46 45.4 13.4 T 921
PK01Q020 C2001 08 19.48078 05 38 07.88 +27 46 36.9 13.4 T 921
PK01Q020 C2001 08 20.07522 05 41 32.03 +27 34 34.1 557
PK01Q020 C2001 08 20.08395 05 41 35.00 +27 34 23.6 557
PK01Q020 C2001 08 20.71434 05 45 09.98 +27 21 25.5 349
PK01Q020 C2001 08 20.72050 05 45 12.10 +27 21 18.2 349
PK01Q020 C2001 08 20.72175 05 45 12.46 +27 21 17.0 349
PK01Q020 C2001 08 20.72274 05 45 12.85 +27 21 15.2 12.4 T 349
PK01Q020 C2001 08 21.04895 05 47 03.25 +27 14 24.8 13.3 T 151
PK01Q020 C2001 08 21.04971 05 47 03.45 +27 14 23.1 107
PK01Q020 C2001 08 21.05141 05 47 04.11 +27 14 21.2 107
PK01Q020 C2001 08 21.05334 05 47 04.71 +27 14 18.9 13.5 T 151
PK01Q020 C2001 08 21.05701 05 47 05.97 +27 14 13.7 620
PK01Q020 C2001 08 21.05800 05 47 06.21 +27 14 13.6 11.2 T 151
PK01Q020 C2001 08 21.05990 05 47 06.90 +27 14 10.2 11.7 T 151
PK01Q020 C2001 08 21.06734 05 47 09.47 +27 14 01.0 13.8 T 620
PK01Q020 C2001 08 21.06889 05 47 09.98 +27 13 59.1 620
PK01Q020 C2001 08 21.06899 05 47 09.96 +27 13 58.9 13.8 T 170
PK01Q020 C2001 08 21.07193 05 47 10.92 +27 13 56.0 14.0 N 595
PK01Q020 C2001 08 21.07370 05 47 11.63 +27 13 53.0 13.7 T 170
PK01Q020 C2001 08 21.07505 05 47 11.95 +27 13 51.8 595
PK01Q020 C2001 08 21.07516 05 47 12.09 +27 13 51.3 620
PK01Q020 C2001 08 21.07883 05 47 13.27 +27 13 46.9 13.8 T 170
PK01Q020 C2001 08 21.07980 05 47 13.59 +27 13 46.1 595
PK01Q020 C2001 08 21.08350 05 47 14.84 +27 13 40.9 595
PK01Q020 C2001 08 21.08568 05 47 15.65 +27 13 38.2 620
PK01Q020 C2001 08 21.08611 05 47 15.77 +27 13 37.7 13.7 T 170
PK01Q020 C2001 08 21.09451 05 47 18.53 +27 13 27.4 13.7 N 170
PK01Q020 C2001 08 21.09958 05 47 20.33 +27 13 20.9 13.8 N 170
PK01Q020 C2001 08 21.10616 05 47 22.53 +27 13 12.6 13.7 N 213
PK01Q020 C2001 08 21.10676 05 47 22.73 +27 13 12.2 13.7 N 213
PK01Q020 C2001 08 21.10824 05 47 23.22 +27 13 09.9 13.7 N 213
PK01Q020 C2001 08 21.10931 05 47 23.51 +27 13 08.9 13.7 N 213
PK01Q020 C2001 08 21.11042 05 47 23.95 +27 13 07.8 13.7 N 213
PK01Q020 C2001 08 21.11289 05 47 24.79 +27 13 04.9 13.7 N 213
PK01Q020 C2001 08 21.11399 05 47 25.15 +27 13 03.2 13.7 N 213
PK01Q020 C2001 08 21.11546 05 47 25.72 +27 13 01.1 13.8 N 170
PK01Q020 C2001 08 21.12156 05 47 27.62 +27 12 53.4 11.0 T 627
PK01Q020 C2001 08 21.12339 05 47 28.24 +27 12 51.0 11.2 T 627
PK01Q020 C2001 08 21.12353 05 47 28.36 +27 12 52.9 470
PK01Q020 C2001 08 21.12470 05 47 28.68 +27 12 51.0 12.9 T 470
PK01Q020 C2001 08 21.12520 05 47 28.85 +27 12 48.8 11.1 T 627
PK01Q020 C2001 08 21.12583 05 47 29.03 +27 12 50.0 12.7 T 470
PK01Q020 C2001 08 21.12702 05 47 29.47 +27 12 46.6 11.1 T 627
PK01Q020 C2001 08 21.12880 05 47 30.07 +27 12 44.3 11.1 T 627
PK01Q020 C2001 08 21.13442 05 47 32.02 +27 12 37.4 946
PK01Q020 C2001 08 21.13552 05 47 32.39 +27 12 36.1 946
PK01Q020 C2001 08 21.13819 05 47 33.29 +27 12 32.8 946
PK01Q020 C2001 08 21.13956 05 47 33.84 +27 12 30.9 11.9 T 586
PK01Q020 C2001 08 21.13992 05 47 33.86 +27 12 30.5 946
PK01Q020 C2001 08 21.14141 05 47 34.37 +27 12 28.6 946
PK01Q020 C2001 08 21.14312 05 47 35.03 +27 12 26.5 586
PK01Q020 C2001 08 21.14723 05 47 36.52 +27 12 21.3 13.8 N 170
PK01Q020 C2001 08 21.14936 05 47 37.10 +27 12 18.9 586
PK01Q020 C2001 08 21.15203 05 47 38.01 +27 12 15.4 586
PK01Q020 C2001 08 21.15318 05 47 38.33 +27 12 15.6 13.9 T 232
PK01Q020 C2001 08 21.15411 05 47 38.73 +27 12 12.6 586
PK01Q020 C2001 08 21.15524 05 47 39.09 +27 12 11.2 170
PK01Q020 C2001 08 21.15804 05 47 40.22 +27 12 09.1 14.1 T 232
PK01Q020 C2001 08 21.15814 05 47 40.13 +27 12 07.7 170
PK01Q020 C2001 08 21.16010 05 47 40.74 +27 12 05.2 586
PK01Q020 C2001 08 21.16086 05 47 40.98 +27 12 04.4 586
PK01Q020 C2001 08 21.16185 05 47 41.32 +27 12 03.0 586
PK01Q020 C2001 08 21.16264 05 47 41.58 +27 12 02.0 586
PK01Q020 C2001 08 21.16419 05 47 42.09 +27 12 00.1 586
PK01Q020 C2001 08 21.16551 05 47 42.47 +27 11 58.9 14.1 T 232
PK01Q020 C2001 08 21.17042 05 47 44.27 +27 11 52.8 13.9 T 232
PK01Q020 C2001 08 21.17874 05 47 46.86 +27 11 40.2 13.6 N 458
PK01Q020 C2001 08 21.19022 05 47 50.77 +27 11 27.5 13.5 N 458
PK01Q020 C2001 08 21.38415 05 48 56.17 +27 07 20.6 14.7 N 762
PK01Q020 C2001 08 21.38732 05 48 57.14 +27 07 17.1 14.1 N 762
PK01Q020 C2001 08 21.38984 05 48 57.98 +27 07 11.4 14.4 N 762
PK01Q020 C2001 08 21.39306 05 48 58.93 +27 07 08.2 14.1 N 762
PK01Q020 C2001 08 21.39812 05 49 00.71 +27 07 02.4 13.9 N 762
PK01Q020 C2001 08 21.39992 05 49 01.46 +27 07 00.6 14.1 N 762
PK01Q020 C2001 08 21.40301 05 49 02.42 +27 06 56.1 14.2 N 762
PK01Q020 C2001 08 21.40731 05 49 03.63 +27 06 52.0 13.9 N 762
PK01Q020 C2001 08 21.40932 05 49 04.55 +27 06 48.7 14.0 N 762
PK01Q020 C2001 08 21.41198 05 49 05.45 +27 06 45.9 14.0 N 762
PK01Q020 C2001 08 21.41438 05 49 06.32 +27 06 42.1 13.9 N 762
PK01Q020 C2001 08 21.78365 05 51 10.21 +26 58 49.5 12.6 T 300
PK01Q020 C2001 08 21.78731 05 51 11.40 +26 58 45.1 300
PK01Q020 C2001 08 21.78818 05 51 11.71 +26 58 44.2 300
PK01Q020 C2001 08 21.78992 05 51 12.31 +26 58 41.6 300
PK01Q020 C2001 08 21.79079 05 51 12.61 +26 58 40.5 300
Observer details:
107 Cavezzo. Observer M. Nicolini. 0.40-m f/5.5 reflector + CCD.
151 Eschenberg Observatory, Winterthur. Observer M. Griesser. 0.40-m f/5.8
Hypergraph + 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.
232 Masquefa Observatory. Observer E. Reina L. 0.25-m f/6.3 Schmidt-
300 Bisei Spaceguard Center--BATTeRS. Observers A. Asami, D. J. Asher,
S. Hashimoto, S. Isobe, S. Nakano, Y. Oshima, J. Terazono, T. Urata,
M. Yoshikawa. 0.50-m f/2.0 reflector + CCD.
349 Ageo. Observer K. Kadota. 0.18-m f/5.5 reflector + CCD.
458 Guadarrama Observatory. Observer D. Rodriguez. 0.20-m f/4.0 reflector
+ CCD. Long. = 355.9806, rho cos phi' = 0.75992, rho sin phi' = +0.64805.
470 Ceccano. Observer G. Masi. 0.28-m f/3.3 reflector + CCD.
557 Ondrejov. Observers P. Pravec, P. Kusnirak. 0.65-m f/3.6 reflector + CCD.
586 Pic du Midi. Observers B. Gaillard, C. Cavadore, F. Colas, P. Dupouy.
0.55-m f/3.2 reflector + CCD.
595 Farra d'Isonzo. Observer E. Pettarin. 0.40-m f/4.5 reflector + CCD.
620 Observatorio Astronomico de Mallorca. Observers S. Sanchez, J. Rodriguez.
0.40-m f/2.0 Schmidt-Cassegrain + CCD.
627 Blauvac. Observer C. Demeautis. 0.2-m f/3.75 reflector + CCD.
762 Four Winds Observatory, Lake Leelanau. Observer R. Elliott.
0.30-m f/3.3 Schmidt-Cassegrain Telescope + CCD.
921 SW Institute for Space Research, Cloudcroft. Observer A. Hale. 0.30-m
Schmidt-Cassegrain + CCD.
946 Ametlla de Mar. Observer J. Nomen. 0.40-m f/2.0 Schmidt + CCD.
Orbital elements:
P/2001 Q2 (Petriew)
T 2001 Sept. 2.186 TT Marsden
q 0.94750 (2000.0) P Q
n 0.178872 Peri. 182.294 +0.802965 -0.579971
a 3.11966 Node 214.357 +0.550647 +0.810080
e 0.69628 Incl. 14.092 +0.228111 +0.086046
P 5.51
From 82 observations 2001 Aug. 19-21.
Ephemeris:
P/2001 Q2 (Petriew)
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2001 08 19 05 35.35 +27 56.2 0.866 0.970 61.6 66.6 10.6
2001 08 24 06 03.33 +26 09.8 0.886 0.957 60.2 66.4 10.5
2001 08 29 06 29.40 +24 09.9 0.910 0.950 59.0 65.8 10.6
2001 09 03 06 53.59 +22 01.3 0.937 0.948 58.2 64.7 10.6
2001 09 08 07 15.98 +19 48.0 0.966 0.951 57.6 63.4 10.7
2001 09 13 07 36.71 +17 33.0 0.997 0.961 57.3 61.8 10.8
2001 09 18 07 55.91 +15 18.5 1.029 0.976 57.3 60.1 11.0
2001 09 23 08 13.69 +13 06.4 1.061 0.995 57.6 58.3 11.1
2001 09 28 08 30.19 +10 57.6 1.092 1.020 58.1 56.5 11.3
2001 10 03 08 45.50 +08 52.9 1.121 1.048 58.9 54.8 11.5
2001 10 08 08 59.73 +06 52.8 1.149 1.080 59.9 53.1 11.6
2001 10 13 09 12.94 +04 57.5 1.175 1.116 61.1 51.6 11.8
2001 10 18 09 25.19 +03 07.1 1.198 1.153 62.6 50.1 12.0
2001 10 23 09 36.52 +01 21.6 1.219 1.193 64.3 48.7 12.2
2001 10 28 09 46.96 -00 18.9 1.237 1.235 66.2 47.4 12.4
2001 11 02 09 56.55 -01 54.6 1.252 1.278 68.3 46.2 12.6
2001 11 07 10 05.31 -03 25.4 1.264 1.323 70.6 45.0 12.7
2001 11 12 10 13.24 -04 51.4 1.273 1.368 73.2 43.8 12.9
2001 11 17 10 20.33 -06 12.6 1.279 1.414 76.0 42.7 13.0
2001 11 22 10 26.57 -07 28.8 1.283 1.461 78.9 41.6 13.2
2001 11 27 10 31.94 -08 40.0 1.283 1.508 82.1 40.4 13.3
2001 12 02 10 36.44 -09 45.9 1.281 1.555 85.5 39.2 13.5
2001 12 07 10 40.03 -10 46.5 1.278 1.602 89.2 37.9 13.6
2001 12 12 10 42.68 -11 41.3 1.272 1.649 93.0 36.6 13.7
2001 12 17 10 44.36 -12 29.8 1.265 1.696 97.1 35.1 13.8
2001 12 22 10 45.04 -13 11.6 1.257 1.743 101.5 33.6 13.9
2001 12 27 10 44.70 -13 46.0 1.249 1.790 106.1 31.9 14.0
Brian G. Marsden (C) Copyright 2001 MPC M.P.E.C. 2001-Q31
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