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Minor Planet Center

MPEC 2005-N23 : 2005 NK1

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M.P.E.C. 2005-N23                                Issued 2005 July 4, 22:34 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.

                  Supported in part by the Brinson Foundation
             Prepared using the Tamkin Foundation Computer Network

                              MPC@CFA.HARVARD.EDU
          URL http://cfa-www.harvard.edu/iau/mpc.html  ISSN 1523-6714

                                   2005 NK1

Observations:
     K05N01K* C2005 07 03.36653 19 59 45.09 -18 26 12.8          20.2 V EN023G96
     K05N01K  C2005 07 03.37452 19 59 44.26 -18 26 18.1          21.1 V EN023G96
     K05N01K  C2005 07 03.38250 19 59 43.44 -18 26 23.9          20.9 V EN023G96
     K05N01K  C2005 07 03.39046 19 59 42.68 -18 26 29.0          20.5 V EN023G96
     K05N01K  C2005 07 03.44081 19 59 37.61 -18 27 03.5          21.1 V EN023G96
     K05N01K  C2005 07 03.44418 19 59 37.26 -18 27 05.9          21.0 V EN023G96
     K05N01K  C2005 07 03.44764 19 59 36.92 -18 27 07.9          21.0 V EN023G96
     K05N01K  C2005 07 03.45110 19 59 36.63 -18 27 10.0          21.2 V EN023G96
     K05N01K 1C2005 07 03.77062 19 59 05.15 -18 30 42.1          20.9 R EN023413
     K05N01K 1C2005 07 03.77430 19 59 04.75 -18 30 44.4          20.6 R EN023413
     K05N01K 1C2005 07 04.68500 19 57 34.70 -18 41 05.2          21.0 R EN023413
     K05N01K 1C2005 07 04.68896 19 57 34.29 -18 41 08.0          20.9 R EN023413

Observer details:
413 Siding Spring.  Observer R. H. McNaught.  1.0-m f/8 reflector + CCD.
G96 Mt. Lemmon Survey.  Observer S. M. Larson.  Measurers E. C. Beshore,
    C. M. Casey, E. J. Christensen, G. J. Garradd, A. D. Grauer, R. E. Hill,
    S. M. Larson, R. H. McNaught.  1.5-m reflector + CCD.

Orbital elements:
2005 NK1                                                             PHA 0.039
Epoch 2005 June 19.0 TT = JDT 2453540.5                 MPC
M 146.11863              (2000.0)            P               Q
n   0.51491504     Peri.    3.77138     -0.44892057     -0.70902301
a   1.5416259      Node   113.66023     +0.80351786     -0.58657080
e   0.7369342      Incl.   36.42318     +0.39093398     +0.39143464
P   1.91           H   17.3           G   0.15
From 12 observations 2005 July 3-4.

Ephemeris:
2005 NK1                 a,e,i = 1.54, 0.74, 36                  q = 0.4055
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2005 06 29    20 06.67   -17 37.2    1.664    2.630   157.1     8.7    21.1
2005 07 09    19 50.27   -19 30.3    1.637    2.646   170.8     3.5    20.8
2005 07 19    19 32.68   -21 21.8    1.644    2.658   175.1     1.9    20.7
2005 07 29    19 15.52   -23 03.0    1.686    2.668   161.4     7.0    21.1
2005 08 08    19 00.32   -24 28.9    1.758    2.674   148.2    11.5    21.4
2005 08 18    18 48.19   -25 38.4    1.858    2.677   135.7    15.3    21.6
2005 08 28    18 39.66   -26 33.2    1.977    2.677   124.1    18.2    21.9

Timothy B. Spahr             (C) Copyright 2005 MPC           M.P.E.C. 2005-N23

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