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    • MPEC 1997-J11 : 1997 GC32

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    M.P.E.C. 1997-J11                                Issued 1997 May 10, 20:52 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/cfa/ps/mpc.html

                                   1997 GC32

                           Revision to MPEC 1997-H14

Observations:
     J97G32C  C1997 05 01.98333 17 59 34.12 -04 17 58.2                      587
     J97G32C  C1997 05 01.98889 17 59 35.82 -04 17 43.3                      587
     J97G32C  C1997 05 01.99351 17 59 37.20 -04 17 32.2                      587
     J97G32C  C1997 05 02.03576 17 59 50.24 -04 15 41.0          18.5 V      104
     J97G32C  C1997 05 02.03866 17 59 51.15 -04 15 34.4                      104
     J97G32C  C1997 05 02.04167 17 59 51.93 -04 15 27.0                      104
     J97G32C  C1997 05 02.06688 17 59 59.52 -04 14 23.2                      557
     J97G32C  C1997 05 02.06942 18 00 00.31 -04 14 17.3                      557
     J97G32C  C1997 05 02.07071 18 00 00.67 -04 14 14.1                      557
     J97G32C  C1997 05 02.46988 18 02 06.98 -03 56 43.8                      658
     J97G32C  C1997 05 02.47194 18 02 07.62 -03 56 38.5                      658
     J97G32C  C1997 05 02.47416 18 02 08.35 -03 56 32.9                      658
     J97G32C  C1997 05 10.02185 18 53 27.02 +03 22 34.4                      557
     J97G32C  C1997 05 10.02288 18 53 27.56 +03 22 39.3                      557
     J97G32C  C1997 05 10.02392 18 53 28.09 +03 22 43.8                      557

Observer details:
104 San Marcello Pistoiese.  Observers L. Tesi, A. Boattini.  Measurers
    A. Boattini, L. Tesi, G. Forti.  0.40-m f/5 reflector + CCD.
557 Ondrejov.  Observer L. Sarounova.  0.65-m f/3.6 reflector + CCD.
587 Sormano.  Observer M. Cavagna.  0.5-m reflector + CCD.
658 Dominion Astrophysical Observatory.  Observer G. C. L. Aikman.  Measurer
    D. D. Balam.  1.82-m reflector + CCD.

Orbital elements:
1997 GC32
Epoch 1997 Apr. 22.0 TT = JDT 2450560.5                 Williams
M 333.71980              (2000.0)            P               Q
n   0.33880793     Peri.  149.74259     +0.84165914     +0.53999140
a   2.0378256      Node   177.56107     -0.51378707     +0.80325959
e   0.6565521      Incl.    5.90722     -0.16623098     +0.25136292
P   2.91           H   19.0           G   0.15
From 31 observations 1997 Apr. 14-May 10.

Ephemeris:
1997 GC32                a,e,i = 2.04, 0.66, 6                   q = 0.6999
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
1997 05 02    17 59.64   -04 16.9    0.315    1.231   129.0    39.5    18.5
1997 05 07    18 29.88   -00 00.3    0.262    1.178   124.8    44.7    18.2
1997 05 12    19 11.69   +05 59.3    0.217    1.126   117.0    53.1    17.9
1997 05 17    20 10.47   +13 52.3    0.186    1.074   104.6    65.7    17.8
1997 05 22    21 28.61   +22 16.5    0.174    1.022    88.2    82.0    18.1
1997 05 27    22 55.94   +28 08.7    0.184    0.971    71.6    98.0    18.8
1997 06 01    00 13.13   +30 13.8    0.213    0.922    58.8   109.8    19.6
1997 06 06    01 11.39   +29 58.6    0.255    0.875    50.5   116.5    20.3
1997 06 11    01 53.76   +28 52.9    0.306    0.831    45.7   118.9    20.8

Gareth V. Williams           (C) Copyright 1997 MPC           M.P.E.C. 1997-J11

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