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MPEC 1997-N19 : 1997 NJ6

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Read MPEC 1997-N18 Read MPEC 1997-N20 

M.P.E.C. 1997-N19                                Issued 1997 July 13, 13:37 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 NJ6

Observations:
     J97N06J* C1997 07 08.88662 16 23 57.77 -08 09 28.3          20.7 V      910
     J97N06J  C1997 07 08.90670 16 23 56.68 -08 09 06.5          19.9 V      910
     J97N06J  C1997 07 08.92934 16 23 55.46 -08 08 41.7          20.4 V      910
     J97N06J  C1997 07 11.19858 16 22 09.28 -07 28 31.9                      696
     J97N06J  C1997 07 11.20295 16 22 09.12 -07 28 27.8                      696
     J97N06J  C1997 07 11.20740 16 22 08.89 -07 28 23.1          20.1 R      696
     J97N06J  C1997 07 13.28589 16 20 46.66 -06 53 54.2                      696
     J97N06J  C1997 07 13.28948 16 20 46.53 -06 53 51.1                      696
     J97N06J  C1997 07 13.29126 16 20 46.45 -06 53 49.1          20.5 R      696

Observer details:
696 Whipple Observatory, Mt. Hopkins.  Observer C. W. Hergenrother.  1.2-m
    reflector + CCD.
910 Caussols-ODAS.  Observers A. Maury, D. Albanese, G. Hahn.  Measurers
    A. Maury, G. Hahn.  0.9-m Schmidt + CCD.

Orbital elements:
1997 NJ6
Epoch 1997 July 11.0 TT = JDT 2450640.5                 Williams
M 272.21822              (2000.0)            P               Q
n   0.54555636     Peri.  131.74390     +0.85826901     -0.41147382
a   1.4833477      Node   254.66720     +0.32311617     +0.89755873
e   0.2276581      Incl.   18.54306     +0.39871074     +0.15835916
P   1.81           H   19.0           G   0.15
From 9 observations 1997 July 8-13.

Ephemeris:
1997 NJ6                 a,e,i = 1.48, 0.23, 19                  q = 1.1457
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
1997 07 11    16 22.30   -07 31.8    0.652    1.545   134.5    28.0    20.3
1997 07 16    16 19.37   -06 12.0    0.672    1.530   128.9    31.1    20.4
1997 07 21    16 17.84   -05 04.5    0.694    1.515   123.6    34.0    20.5
1997 07 26    16 17.65   -04 08.4    0.718    1.499   118.7    36.5    20.6
1997 07 31    16 18.72   -03 22.9    0.742    1.483   114.2    38.6    20.8
1997 08 05    16 20.98   -02 46.6    0.767    1.467   110.0    40.5    20.9
1997 08 10    16 24.35   -02 18.4    0.792    1.450   106.2    42.2    20.9
1997 08 15    16 28.75   -01 57.1    0.817    1.434   102.7    43.6    21.0
1997 08 20    16 34.10   -01 41.3    0.841    1.417    99.4    44.8    21.1
1997 08 25    16 40.31   -01 30.2    0.864    1.401    96.4    45.8    21.2
1997 08 30    16 47.35   -01 22.9    0.886    1.384    93.6    46.7    21.2
1997 09 04    16 55.16   -01 18.5    0.907    1.368    91.0    47.5    21.3
1997 09 09    17 03.71   -01 16.3    0.927    1.352    88.6    48.2    21.3

Gareth V. Williams           (C) Copyright 1997 MPC           M.P.E.C. 1997-N19

Read MPEC 1997-N18 Read MPEC 1997-N20

MPEC number:

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