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  • MPEC 2001-T44 : 2001 TW1

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    M.P.E.C. 2001-T44                                Issued 2001 Oct. 13, 13:30 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 TW1
    
    Observations:
         K01T01W* C2001 10 09.38374 03 27 33.08 -18 01 35.3          17.2        704
         K01T01W  C2001 10 09.39912 03 27 18.80 -18 00 23.5          17.7        704
         K01T01W  C2001 10 09.41423 03 27 04.77 -17 59 12.3          17.7        704
         K01T01W  C2001 10 09.42951 03 26 50.61 -17 58 00.4          17.3        704
         K01T01W  C2001 10 09.44478 03 26 36.48 -17 56 47.9          17.4        704
         K01T01W  C2001 10 10.33128 03 13 15.27 -16 45 19.8                      696
         K01T01W  C2001 10 10.33389 03 13 12.91 -16 45 07.2                      696
         K01T01W  C2001 10 10.95247 03 03 57.07 -15 53 08.9          17.3 V      151
         K01T01W  C2001 10 10.95660 03 03 53.12 -15 52 50.8          16.3 R      046
         K01T01W  C2001 10 10.95671 03 03 53.25 -15 52 48.5          17.4 V      151
         K01T01W  C2001 10 10.95718 03 03 52.56 -15 52 47.8                      046
         K01T01W  C2001 10 10.95764 03 03 52.16 -15 52 45.1          16.2 R      046
         K01T01W  C2001 10 10.95811 03 03 51.79 -15 52 42.5                      046
         K01T01W  C2001 10 10.95811 03 03 51.94 -15 52 40.9          17.6 V      151
         K01T01W  C2001 10 10.95872 03 03 51.19 -15 52 39.7                      046
         K01T01W  C2001 10 10.95927 03 03 50.70 -15 52 37.2          16.0 R      046
         K01T01W  C2001 10 10.95966 03 03 50.53 -15 52 32.7          17.3 V      151
         K01T01W  C2001 10 11.04109 03 02 36.32 -15 45 38.9                      557
         K01T01W  C2001 10 11.04201 03 02 35.52 -15 45 34.3                      557
         K01T01W  C2001 10 11.04248 03 02 35.02 -15 45 32.5                      557
         K01T01W  C2001 10 11.04295 03 02 34.57 -15 45 30.3                      557
         K01T01W  C2001 10 11.04341 03 02 34.09 -15 45 27.5                      557
         K01T01W  C2001 10 11.04388 03 02 33.79 -15 45 25.7                      557
         K01T01W  C2001 10 11.04434 03 02 33.36 -15 45 22.4                      557
         K01T01W  C2001 10 11.04737 03 02 30.55 -15 45 06.8                      557
         K01T01W  C2001 10 11.04784 03 02 30.22 -15 45 03.6                      557
         K01T01W  C2001 10 11.04831 03 02 29.79 -15 45 02.0                      557
         K01T01W  C2001 10 11.04924 03 02 28.90 -15 44 58.6                      557
         K01T01W  C2001 10 11.04970 03 02 28.55 -15 44 55.4                      557
         K01T01W  C2001 10 11.05017 03 02 28.06 -15 44 51.8                      557
         K01T01W  C2001 10 11.33631 02 58 13.92 -15 20 01.1          16.6        704
         K01T01W  C2001 10 11.35227 02 57 59.48 -15 18 38.3          17.1        704
         K01T01W  C2001 10 11.35253 02 57 59.20 -15 18 36.6          17.3        704
         K01T01W  C2001 10 11.36318 02 57 48.96 -15 17 43.8          15.3 R      649
         K01T01W  C2001 10 11.36609 02 57 46.35 -15 17 28.8          15.2 R      649
         K01T01W  C2001 10 11.36859 02 57 44.09 -15 17 15.3          15.5 R      649
         K01T01W  C2001 10 11.36901 02 57 44.26 -15 17 10.7          17.0        704
         K01T01W  C2001 10 11.36927 02 57 44.06 -15 17 09.2          17.2        704
         K01T01W  C2001 10 11.38490 02 57 29.88 -15 15 47.3          17.1        704
         K01T01W  C2001 10 11.38519 02 57 29.61 -15 15 46.2          16.8        704
         K01T01W  C2001 10 11.40026 02 57 15.98 -15 14 26.8          17.3        704
         K01T01W  C2001 10 11.40138 02 57 14.93 -15 14 21.4          17.0        704
         K01T01W  C2001 10 11.40230 02 57 14.28 -15 14 16.4          17.7 V      333
         K01T01W  C2001 10 11.40337 02 57 13.33 -15 14 11.2          17.5 V      333
         K01T01W  C2001 10 11.40391 02 57 12.81 -15 14 07.7          17.5 V      333
         K01T01W  C2001 10 11.40737 02 57 09.68 -15 13 49.7          17.6 V      333
         K01T01W  C2001 10 11.49780 02 55 51.62 -15 04 50.4          16.3 R      474
         K01T01W  C2001 10 11.49936 02 55 50.22 -15 04 42.4          16.5 R      474
         K01T01W  C2001 10 11.50399 02 55 46.09 -15 04 17.9          16.6 R      474
         K01T01W  C2001 10 11.50932 02 55 41.28 -15 03 50.1          16.7 R      474
         K01T01W  C2001 10 11.91337 02 49 45.55 -14 29 30.2          15.7 R      046
         K01T01W  C2001 10 11.91403 02 49 45.00 -14 29 25.8                      046
         K01T01W  C2001 10 11.91454 02 49 44.81 -14 29 19.5                      046
         K01T01W  C2001 10 11.91501 02 49 44.16 -14 29 21.5                      046
         K01T01W  C2001 10 11.95742 02 49 06.98 -14 25 32.8                      946
         K01T01W  C2001 10 11.95850 02 49 05.71 -14 25 29.4          16.5 R      587
         K01T01W  C2001 10 11.95873 02 49 05.92 -14 25 25.9                      946
         K01T01W  C2001 10 11.96019 02 49 04.24 -14 25 20.8          16.5 R      587
         K01T01W  C2001 10 11.96181 02 49 03.27 -14 25 09.8                      946
         K01T01W  C2001 10 11.96299 02 49 01.70 -14 25 05.9          16.6 R      587
         K01T01W  C2001 10 11.97014 02 48 55.18 -14 24 28.6                      595
         K01T01W  C2001 10 11.97172 02 48 53.78 -14 24 21.4          16.5 V      595
         K01T01W  C2001 10 11.97269 02 48 52.95 -14 24 15.0                      595
         K01T01W  C2001 10 11.97356 02 48 52.14 -14 24 10.2                      595
         K01T01W  C2001 10 11.97683 02 48 49.25 -14 23 54.2                      595
         K01T01W  C2001 10 12.14509 02 46 22.99 -14 07 47.4          16.0 R      844
         K01T01W  C2001 10 12.16030 02 46 09.22 -14 06 30.9          15.5 R      844
         K01T01W  C2001 10 12.30740 02 44 00.71 -13 54 22.8          15.8 R      649
         K01T01W  C2001 10 12.30865 02 43 59.63 -13 54 16.0          15.9 R      649
         K01T01W  C2001 10 12.30991 02 43 58.49 -13 54 09.2          15.8 R      649
         K01T01W  C2001 10 12.56157 02 40 21.24 -13 30 27.0          16.7 R      474
         K01T01W  C2001 10 12.56331 02 40 19.71 -13 30 17.5          16.6 R      474
         K01T01W TC2001 10 12.56650 02 40 16.95 -13 30 00.3          16.4 R      474
         K01T01W  C2001 10 12.56771 02 40 15.88 -13 29 53.7          16.5 R      474
         K01T01W  C2001 10 12.69388 02 38 27.16 -13 19 37.4          17.0 V      300
         K01T01W  C2001 10 12.69641 02 38 24.98 -13 19 23.8          16.8 V      300
         K01T01W  C2001 10 12.69894 02 38 22.72 -13 19 09.8          16.8 V      300
         K01T01W  C2001 10 12.70147 02 38 20.52 -13 18 57.0          16.8 V      300
         K01T01W  C2001 10 12.70399 02 38 18.32 -13 18 42.6          16.8 V      300
         K01T01W  C2001 10 12.97527 02 34 27.85 -12 54 19.3          16.5 R      118
         K01T01W  C2001 10 12.97595 02 34 27.26 -12 54 15.1          16.8 R      118
         K01T01W  C2001 10 12.97656 02 34 26.78 -12 54 12.1                      118
         K01T01W  C2001 10 12.97865 02 34 24.94 -12 54 00.6                      118
         K01T01W  C2001 10 13.23708 02 30 48.34 -12 30 24.6          16.5 R      854
         K01T01W  C2001 10 13.23889 02 30 46.75 -12 30 14.3          16.6 R      854
         K01T01W  C2001 10 13.23979 02 30 46.04 -12 30 09.7          16.5 R      854
         K01T01W  C2001 10 13.24160 02 30 44.49 -12 29 59.8          16.4 R      854
    
    Observer details:
    046 Klet.  Observers J. Ticha, M. Tichy.   0.57-m f/5.2 reflector + CCD.
    118 Modra.  Observers A. Galad, L. Kornos.  0.6-m f/5.5 reflector + CCD.
    151 Eschenberg Observatory, Winterthur.  Observer M. Griesser.  0.40-m f/5.8
        Hypergraph + CCD.
    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.
    333 Desert Eagle Observatory.  Observer W. K. Yeung.  0.45-m reflector + CCD.
    474 Mount John Observatory, Lake Tekapo.  Observer A. C. Gilmore.
        1.0-m f/7.7 reflector + CCD.
    557 Ondrejov.  Observer P. Kusnirak.  0.65-m f/3.6 reflector + CCD.
    587 Sormano.  Observers F. Manca, A. Testa.  0.5-m reflector + CCD.
    595 Farra d'Isonzo.  Observers G. Lombardi, E. Pettarin.  0.40-m f/4.5
        reflector + CCD.
    649 Powell Observatory, Louisburg.  Observers K. Smalley, D. Trentman.
        0.75-m Newtonian + CCD.
    696 Whipple Observatory, Mt. Hopkins.  Observer T. B. Spahr.  1.2-m reflector
        + CCD.
    704 Lincoln Laboratory ETS, New Mexico.  Observers M. Blythe, F. Shelly,
        M. Bezpalko, R. Huber, L. Manguso, S. Adams, J. Piscitelli.  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.
    854 Sabino Canyon Observatory, Tucson.  Observer J. E. McGaha.  0.30-m f/6.1
        Schmidt-Cassegrain + CCD.
    946 Ametlla de Mar.  Observer J. Nomen.  0.40-m f/2.0 Schmidt + CCD.
    
    Orbital elements:
    2001 TW1
    Epoch 2001 Sept. 28.0 TT = JDT 2452180.5                Marsden
    M  76.33245              (2000.0)            P               Q
    n   1.13278108     Peri.  208.77205     -0.58891824     +0.77185747
    a   0.9113924      Node    27.41107     -0.60533299     -0.22483132
    e   0.5261097      Incl.   31.36338     -0.53548789     -0.59471583
    P   0.87           H   19.0           G   0.15
    From 83 observations 2001 Oct. 9-13.
    
    Ephemeris:
    2001 TW1                 a,e,i = 0.91, 0.53, 31                  q = 0.4319
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2001 10 08    03 48.49   -19 43.1    0.167    1.114   130.1    43.3    17.0
    2001 10 13    02 34.12   -12 51.4    0.168    1.148   151.2    24.8    16.6
    2001 10 18    01 31.14   -05 29.8    0.188    1.179   164.9    12.7    16.5
    2001 10 23    00 45.38   +00 28.6    0.224    1.209   160.6    15.9    17.0
    2001 10 28    00 14.38   +04 46.1    0.270    1.236   150.4    23.4    17.7
    2001 11 02    23 53.86   +07 48.3    0.322    1.260   141.4    29.4    18.3
    2001 11 07    23 40.48   +10 01.3    0.378    1.283   133.9    33.9    18.8
    2001 11 12    23 32.02   +11 43.0    0.437    1.303   127.4    37.1    19.3
    2001 11 17    23 27.08   +13 05.1    0.498    1.321   121.8    39.5    19.7
    2001 11 22    23 24.72   +14 14.7    0.560    1.337   116.7    41.3    20.0
    2001 11 27    23 24.31   +15 16.5    0.623    1.351   112.1    42.6    20.3
    2001 12 02    23 25.39   +16 13.3    0.685    1.362   107.9    43.5    20.5
    2001 12 07    23 27.65   +17 07.0    0.747    1.372   103.9    44.2    20.8
    2001 12 12    23 30.89   +17 59.0    0.809    1.380   100.1    44.6    20.9
    2001 12 17    23 34.96   +18 50.2    0.869    1.386    96.6    44.9    21.1
    2001 12 22    23 39.72   +19 41.5    0.928    1.389    93.1    45.0    21.3
    2001 12 27    23 45.08   +20 33.1    0.986    1.391    89.9    45.0    21.4
    2002 01 01    23 50.97   +21 25.4    1.041    1.390    86.7    44.9    21.5
    2002 01 06    23 57.33   +22 18.6    1.094    1.388    83.6    44.8    21.6
    2002 01 11    00 04.13   +23 12.7    1.145    1.384    80.7    44.5    21.7
    2002 01 16    00 11.36   +24 07.9    1.193    1.377    77.8    44.3    21.8
    2002 01 21    00 19.00   +25 04.4    1.238    1.369    75.1    44.0    21.8
    2002 01 26    00 27.01   +26 02.0    1.279    1.358    72.4    43.7    21.9
    2002 01 31    00 35.41   +27 00.6    1.317    1.346    69.8    43.4    21.9
    2002 02 05    00 44.20   +28 00.2    1.351    1.331    67.3    43.1    21.9
    
    Brian G. Marsden             (C) Copyright 2001 MPC           M.P.E.C. 2001-T44
    

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