MPEC 2001-P25 : 2001 PE1
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M.P.E.C. 2001-P25 Issued 2001 Aug. 9, 20:09 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 2001 PE1 Observations: K01P01E C2001 07 21.35387 19 51 35.81 -11 52 36.1 19.2 608 K01P01E C2001 07 21.36408 19 51 35.12 -11 52 36.7 19.3 608 K01P01E C2001 07 21.37457 19 51 34.49 -11 52 36.8 19.3 608 K01P01E* C2001 08 06.31851 19 34 30.65 -12 26 37.9 19.4 608 K01P01E C2001 08 06.32870 19 34 29.94 -12 26 40.3 19.5 608 K01P01E C2001 08 06.33910 19 34 29.16 -12 26 42.4 19.2 608 K01P01E C2001 08 07.15141 19 33 37.41 -12 29 50.4 649 K01P01E C2001 08 07.17241 19 33 35.98 -12 29 54.9 649 K01P01E C2001 08 07.43059 19 33 20.05 -12 30 33.1 422 K01P01E C2001 08 07.43233 19 33 19.96 -12 30 35.7 422 K01P01E C2001 08 07.43353 19 33 19.86 -12 30 34.5 422 K01P01E C2001 08 07.43426 19 33 19.82 -12 30 34.5 422 K01P01E C2001 08 07.43594 19 33 19.70 -12 30 34.6 18.7 R 422 K01P01E C2001 08 07.45714 19 33 17.15 -12 30 57.5 19.9 608 K01P01E C2001 08 07.46800 19 33 16.39 -12 30 59.1 20.2 608 K01P01E C2001 08 07.47858 19 33 15.67 -12 31 01.7 19.6 608 K01P01E 1C2001 08 07.51111 19 33 14.48 -12 30 52.9 413 K01P01E 1C2001 08 07.51247 19 33 14.37 -12 30 53.3 413 K01P01E 1C2001 08 07.51383 19 33 14.28 -12 30 53.4 413 K01P01E C2001 08 07.84892 19 32 53.71 -12 32 34.2 946 K01P01E C2001 08 07.85166 19 32 53.55 -12 32 34.7 946 K01P01E C2001 08 07.89852 19 32 50.29 -12 32 45.3 946 K01P01E C2001 08 08.00313 19 32 44.35 -12 32 47.0 808 K01P01E C2001 08 08.01493 19 32 43.47 -12 32 49.1 808 K01P01E C2001 08 08.02569 19 32 42.81 -12 32 52.9 808 K01P01E C2001 08 08.04097 19 32 41.69 -12 32 56.9 808 K01P01E C2001 08 08.05486 19 32 40.78 -12 32 59.2 808 K01P01E C2001 08 08.06667 19 32 39.80 -12 33 01.9 808 K01P01E C2001 08 08.25098 19 32 27.91 -12 34 09.8 18.6 R 918 K01P01E C2001 08 08.25332 19 32 27.75 -12 34 10.6 918 K01P01E C2001 08 08.25836 19 32 27.36 -12 34 14.4 918 K01P01E 1C2001 08 08.42558 19 32 17.80 -12 34 31.8 413 K01P01E 1C2001 08 08.42764 19 32 17.66 -12 34 32.2 413 K01P01E 1C2001 08 08.42970 19 32 17.52 -12 34 32.9 413 K01P01E C2001 08 09.22914 19 31 27.85 -12 38 12.3 18.4 644 K01P01E C2001 08 09.24050 19 31 27.08 -12 38 15.3 18.7 644 K01P01E C2001 08 09.24127 19 31 26.53 -12 38 16.5 16.9 R 649 K01P01E C2001 08 09.24793 19 31 26.09 -12 38 17.7 16.9 R 649 K01P01E C2001 08 09.25182 19 31 26.30 -12 38 18.2 18.9 644 K01P01E 1C2001 08 09.63034 19 31 02.38 -12 39 34.4 413 K01P01E 1C2001 08 09.63199 19 31 02.28 -12 39 35.0 413 K01P01E 1C2001 08 09.63357 19 31 02.16 -12 39 35.0 413 Observer details: 413 Siding Spring. Observer R. H. McNaught. 1.0-m f/8 reflector + CCD. 422 Loomberah. Observer G. J. Garradd. 0.45-m f/5.4 reflector + CCD. 608 Haleakala-NEAT/MSSS. Observers E. F. Helin, S. Pravdo, K. Lawrence, P. Kervin, R. Maeda, J. Africano, M. Hicks. 1.2-m reflector + CCD. 644 Palomar Mountain/NEAT. Observers E. F. Helin, S. Pravdo, K. Lawrence, M. Hicks, E. Hovland, T. Bickler, J. Schroeder, L. Scherr, R. Thicksten, A. Deetz. 1.2-m Schmidt + CCD. 649 Powell Observatory, Louisburg. Observer K. Smalley, S. Gardenhire, J. Alburty. 0.75-m Newtonian + CCD. 808 El Leoncito. Observer H. S. Lepez. 0.5-m f/7.5 double astrograph + CCD. 918 Badlands Observatory, Quinn. Observer R. Dyvig. 0.66-m f/4.8 reflector + CCD. 946 Ametlla de Mar. Observer J. Nomen. 0.40-m f/2.0 Schmidt + CCD. Orbital elements: 2001 PE1 Epoch 2001 July 30.0 TT = JDT 2452120.5 Williams M 342.34338 (2000.0) P Q n 0.21272764 Peri. 190.65553 +0.97046972 -0.24119800 a 2.7792020 Node 183.30779 +0.22550692 +0.91225709 e 0.5968039 Incl. 3.44883 +0.08564549 +0.33107480 P 4.63 H 18.5 G 0.15 From 45 observations 2001 July 21-Aug. 9. Ephemeris: 2001 PE1 a,e,i = 2.78, 0.60, 3 q = 1.1206 Date TT R. A. (2000) Decl. Delta r Elong. Phase V 2001 07 30 19 42.50 -12 04.6 0.492 1.496 165.3 9.9 18.5 2001 08 09 19 31.70 -12 37.0 0.441 1.425 154.6 17.8 18.4 2001 08 19 19 22.90 -13 27.3 0.404 1.358 143.4 26.4 18.4 2001 08 29 19 18.83 -14 31.3 0.376 1.296 133.0 34.7 18.4 2001 09 08 19 21.62 -15 43.1 0.353 1.240 124.1 42.3 18.4 2001 09 18 19 32.73 -16 55.6 0.333 1.193 117.0 48.6 18.3 2001 09 28 19 53.44 -17 58.8 0.314 1.157 111.9 53.5 18.3 2001 10 08 20 24.54 -18 36.8 0.297 1.132 109.2 56.4 18.2 2001 10 18 21 06.36 -18 26.7 0.284 1.121 108.9 57.2 18.1 2001 10 28 21 57.72 -17 00.3 0.279 1.124 111.0 55.6 18.0 2001 11 07 22 54.41 -14 02.6 0.286 1.141 114.7 52.1 18.0 2001 11 17 23 50.35 -09 51.1 0.310 1.170 118.8 47.7 18.1 2001 11 27 00 40.76 -05 09.8 0.352 1.211 122.1 43.6 18.3 2001 12 07 01 23.78 -00 40.1 0.412 1.262 123.7 40.5 18.7 2001 12 17 02 00.03 +03 18.2 0.490 1.320 123.6 38.4 19.1 2001 12 27 02 31.13 +06 41.5 0.584 1.384 122.0 37.0 19.5 2002 01 06 02 58.52 +09 32.6 0.692 1.453 119.3 36.2 20.0 2002 01 16 03 23.39 +11 56.2 0.814 1.525 115.7 35.5 20.4 2002 01 26 03 46.60 +13 56.7 0.949 1.600 111.6 34.9 20.8 2002 02 05 04 08.68 +15 37.1 1.095 1.676 107.1 34.2 21.2 2002 02 15 04 29.98 +16 59.8 1.252 1.752 102.3 33.4 21.6 2002 02 25 04 50.77 +18 06.7 1.417 1.829 97.3 32.5 21.9 Gareth V. Williams (C) Copyright 2001 MPC M.P.E.C. 2001-P25


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