MPEC 1997-T02: 1997 TD

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M.P.E.C. 1997-T02                                Issued 1997 Oct. 3, 20:24 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.

             BMARSDEN@CFA.HARVARD.EDU or GWILLIAMS@CFA.HARVARD.EDU
                   URL http://cfa-www.harvard.edu/iau/mpc.html

                                    1997 TD

Observations:
     J97T00D* C1997 10 01.20437 19 50 24.99 -25 49 54.8          16.5 V      566
     J97T00D  C1997 10 01.21425 19 50 27.72 -25 50 05.4          17.2 V      566
     J97T00D  C1997 10 01.22388 19 50 30.36 -25 50 15.9          16.6 V      566
     J97T00D  C1997 10 02.14241 19 54 51.09 -26 06 28.8                      673
     J97T00D  C1997 10 02.14698 19 54 52.40 -26 06 33.5                      673
     J97T00D  C1997 10 02.15107 19 54 53.47 -26 06 37.7                      673
     J97T00D  C1997 10 02.81692 19 58 03.14 -26 17 45.1          17.0 V      104
     J97T00D  C1997 10 02.81877 19 58 03.72 -26 17 47.3                      104
     J97T00D  C1997 10 02.82106 19 58 04.23 -26 17 48.9                      104
     J97T00D  C1997 10 02.82326 19 58 04.91 -26 17 52.0                      104
     J97T00D  C1997 10 03.81036 20 02 47.06 -26 33 30.3          17.4 V      046
     J97T00D  C1997 10 03.81130 20 02 47.21 -26 33 32.2                      046
     J97T00D  C1997 10 03.81257 20 02 47.53 -26 33 33.5                      046
     J97T00D  C1997 10 03.81359 20 02 47.85 -26 33 34.1                      046
     J97T00D  C1997 10 03.81447 20 02 48.06 -26 33 34.8                      046
     J97T00D  C1997 10 03.81522 20 02 48.27 -26 33 35.5                      046
     J97T00D  C1997 10 03.81656 20 02 48.70 -26 33 36.7                      046
     J97T00D  C1997 10 03.81793 20 02 49.11 -26 33 37.4                      046
     J97T00D  C1997 10 03.81875 20 02 49.32 -26 33 37.7                      046

Observer details:
046 Klet.  Observers J. Ticha, M. Tichy.  Measurer M. Tichy.  0.57-m f/5.2
    reflector + CCD.
104 San Marcello Pistoiese.  Observers L. Tesi, A. Boattini, M. Tombelli,
    G. Forti.  Measurers L. Tesi, G. Forti.  0.40-m f/5 reflector + CCD.
566 Haleakala-NEAT/GEODSS.  Observers E. F. Helin, S. Pravdo, K. J. Lawrence,
    D. L. Rabinowitz for the NEAT team.  1.0-m f/2.2 GEODSS telescope + CCD.
673 Table Mountain Observatory, Wrightwood.  Observer M. Hicks.  Measurer
    D. L. Rabinowitz.  0.6-m reflector + CCD.

Orbital elements:
1997 TD
Epoch 1997 Sept. 29.0 TT = JDT 2450720.5                Williams
M   6.99853              (2000.0)            P               Q
n   0.38711000     Peri.  169.66028     +0.87197516     +0.48485824
a   1.8645747      Node   160.88084     -0.46260367     +0.86127294
e   0.3722333      Incl.   11.91365     -0.16017856     +0.15205725
P   2.55           H   16.5           G   0.15
From 19 observations 1997 Oct. 1-3.

Ephemeris:
1997 TD                  a,e,i = 1.86, 0.37, 12                  q = 1.1705
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
1997 09 29    19 40.05   -25 07.3    0.406    1.184   106.6    54.2    16.9
1997 10 04    20 03.69   -26 36.1    0.422    1.192   106.6    53.6    17.0
1997 10 09    20 27.61   -27 38.2    0.441    1.201   106.6    52.8    17.1
1997 10 14    20 51.38   -28 13.9    0.463    1.213   106.5    52.0    17.2
1997 10 19    21 14.63   -28 24.7    0.487    1.226   106.4    51.2    17.3
1997 10 24    21 37.08   -28 12.8    0.515    1.241   106.2    50.3    17.4
1997 10 29    21 58.53   -27 41.0    0.545    1.257   105.9    49.5    17.5
1997 11 03    22 18.90   -26 52.3    0.578    1.275   105.5    48.6    17.7
1997 11 08    22 38.14   -25 49.8    0.613    1.293   105.0    47.7    17.8
1997 11 13    22 56.28   -24 36.2    0.651    1.313   104.4    46.9    17.9
1997 11 18    23 13.37   -23 14.2    0.691    1.334   103.7    46.1    18.1
1997 11 23    23 29.48   -21 45.6    0.734    1.355   102.8    45.3    18.2
1997 11 28    23 44.72   -20 12.3    0.779    1.377   101.9    44.5    18.4
1997 12 03    23 59.21   -18 35.7    0.827    1.400   100.8    43.7    18.5
1997 12 08    00 13.03   -16 57.0    0.876    1.424    99.6    43.0    18.6
1997 12 13    00 26.28   -15 17.5    0.928    1.448    98.4    42.3    18.8
1997 12 18    00 39.02   -13 37.8    0.981    1.472    97.0    41.6    18.9
1997 12 23    00 51.33   -11 58.7    1.037    1.497    95.5    40.9    19.1
1997 12 28    01 03.28   -10 20.6    1.095    1.521    94.0    40.2    19.2
1998 01 02    01 14.93   -08 44.0    1.154    1.547    92.4    39.4    19.3
1998 01 07    01 26.34   -07 09.2    1.215    1.572    90.7    38.7    19.5
1998 01 12    01 37.53   -05 36.7    1.277    1.597    88.9    38.0    19.6
1998 01 17    01 48.54   -04 06.6    1.341    1.622    87.1    37.3    19.7
1998 01 22    01 59.40   -02 39.2    1.407    1.647    85.2    36.5    19.8
1998 01 27    02 10.14   -01 14.5    1.473    1.673    83.2    35.8    19.9
1998 02 01    02 20.80   +00 07.3    1.541    1.698    81.2    35.0    20.0
1998 02 06    02 31.38   +01 26.0    1.609    1.723    79.2    34.2    20.1
1998 02 11    02 41.91   +02 41.6    1.678    1.747    77.2    33.4    20.2
1998 02 16    02 52.38   +03 54.0    1.748    1.772    75.1    32.6    20.3
1998 02 21    03 02.81   +05 03.1    1.818    1.796    72.9    31.8    20.4
1998 02 26    03 13.23   +06 08.9    1.888    1.820    70.8    30.9    20.5
1998 03 03    03 23.62   +07 11.4    1.959    1.844    68.6    30.0    20.6
1998 03 08    03 34.01   +08 10.5    2.029    1.868    66.4    29.1    20.7
1998 03 13    03 44.38   +09 06.2    2.099    1.891    64.2    28.2    20.7
1998 03 18    03 54.74   +09 58.5    2.169    1.914    61.9    27.3    20.8

Gareth V. Williams           (C) Copyright 1997 MPC           M.P.E.C. 1997-T02

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