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  • MPEC 2017-N55 : 2017 NK

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    M.P.E.C. 2017-N55                                Issued 2017 July 5, 19:50 UT
    
         The Minor Planet Electronic Circulars contain information on unusual
             minor planets and routine data on comets.  They are published
        on behalf of Division F 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 https://www.minorplanetcenter.net/    ISSN 1523-6714
    
                                        2017 NK
    
    Observations:
         K17N00K* C2017 07 02.17425 13 02 51.79 +30 29 56.9          20.5 VqEN055G96
         K17N00K  C2017 07 02.18174 13 02 55.51 +30 30 06.5          20.1 VqEN055G96
         K17N00K  C2017 07 02.18602 13 02 57.67 +30 30 12.4          19.9 VqEN055G96
         K17N00K  C2017 07 02.19031 13 02 59.78 +30 30 18.2          20.1 VqEN055G96
         K17N00K  C2017 07 02.28693 13 03 48.27 +30 32 22.6          20.1 VqEN055G96
         K17N00K  C2017 07 02.29005 13 03 49.82 +30 32 26.7                qEN055G96
         K17N00K  C2017 07 02.29311 13 03 51.49 +30 32 30.9                qEN055G96
         K17N00K  C2017 07 02.29616 13 03 53.11 +30 32 34.7                qEN055G96
         K17N00K KC2017 07 02.88611 13 08 55.64 +30 46 05.5          20.1 GUEN055204
         K17N00K KC2017 07 02.89768 13 09 01.36 +30 46 20.3                UEN055204
         K17N00K KC2017 07 03.13531413 11 01.32 +30 51 39.4          20.4 VuEN055H21
         K17N00K KC2017 07 03.14136313 11 04.24 +30 51 46.5          20.1 VuEN055H21
         K17N00K KC2017 07 03.14700813 11 07.00 +30 51 53.0          20.1 VuEN055H21
         K17N00K  C2017 07 03.19938 13 11 33.22 +30 53 08.3          20.9 VqEN055I52
         K17N00K  C2017 07 03.20034 13 11 33.69 +30 53 09.0          20.4 VqEN055I52
         K17N00K  C2017 07 03.20131 13 11 34.14 +30 53 10.0          20.6 VqEN055I52
         K17N00K  C2017 07 03.20228 13 11 34.62 +30 53 11.3          20.4 VqEN055I52
         K17N00K KC2017 07 04.12333413 19 10.54 +31 11 33.8          20.1 VuEN055H21
         K17N00K KC2017 07 04.13501913 19 16.02 +31 11 45.8          20.1 VuEN055H21
         K17N00K KC2017 07 04.93397 13 25 40.43 +31 25 44.8                UEN055J95
         K17N00K KC2017 07 04.94329 13 25 44.73 +31 25 53.9                UEN055J95
         K17N00K KC2017 07 04.94954 13 25 47.69 +31 25 59.5          19.6 GUEN055J95
    
    Observer details:
    204 Schiaparelli Observatory.  Observer L. Buzzi.  0.60-m f/4.64 reflector
        + CCD.
    G96 Mt. Lemmon Survey.  Observer G. J. Leonard.  Measurers E. J. Christensen,
        D. C. Fuls, A. R. Gibbs, A. D. Grauer, J. A. Johnson, R. A. Kowalski,
        S. M. Larson, G. J. Leonard, R. G. Matheny, R. L. Seaman, F. C. Shelly.
        1.5-m reflector + 10K CCD.
    H21 Astronomical Research Observatory, Westfield.  Observer R. Holmes.
        Measurers S. Foglia, L. Buzzi, T. Linder, R. Holmes.  0.61-m f/4.5
        astrograph + CCD.
    I52 Steward Observatory, Mt. Lemmon Station.  Observer D. C. Fuls.  Measurers
        E. J. Christensen, D. C. Fuls, A. R. Gibbs, A. D. Grauer, J. A. Johnson,
        R. A. Kowalski, S. M. Larson, G. J. Leonard, R. G. Matheny, R. L. Seaman,
        F. C. Shelly.  1.0-m reflector + CCD.
    J95 Great Shefford.  Observer P. Birtwhistle.  0.40-m f/6.0 Schmidt-Cassegrain
        + CCD.
    
    Orbital elements:
    2017 NK                                             PHA, Earth MOID = 0.0418 AU
    Epoch 2017 Sept. 4.0 TT = JDT 2458000.5                 MPC
    M 171.15117              (2000.0)            P               Q
    n   1.03942506     Peri.  261.79257     -0.89256251     -0.39164209
    a   0.9651777      Node   254.91742     +0.44747067     -0.83050298
    e   0.1205252      Incl.   13.38337     -0.05569719     -0.39608242
    P   0.95           H   21.4           G   0.15           U   7
    Residuals in seconds of arc
    170702 G96  0.0   0.3+    170702 204  0.1+  0.2-    170703 I52  0.1-  0.5-
    170702 G96  0.1+  0.1-    170702 204  0.3+  0.6+    170704 H21  0.1+  0.1+
    170702 G96  0.5+  0.0     170703 H21  0.0   0.1-    170704 H21  0.0   0.1+
    170702 G96  0.2+  0.1+    170703 H21  0.3-  0.1-    170704 J95  0.0   0.4-
    170702 G96  0.9-  0.2-    170703 H21  0.1-  0.2-    170704 J95  0.4-  0.2+
    170702 G96  1.4-  0.1-    170703 I52  0.0   0.1-    170704 J95  0.2+  0.2+
    170702 G96  0.1+  0.3+    170703 I52  0.0   0.5-
    170702 G96  0.9+  0.3+    170703 I52  0.2-  0.7-
    
    Ephemeris:
    2017 NK                  a,e,i = 0.97, 0.12, 13                  q = 0.8488
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2017 06 05    08 48 16.4 +04 50 39   0.1394  0.9518    59.7   113.1    21.4
    ...
    2017 06 20    11 04 33.9 +21 34 09   0.1198  0.9833    70.8   102.6    20.5
    ...
    2017 06 28    12 24 55.5 +28 22 32   0.1292  0.9993    78.7    94.0    20.3
    ...
    2017 07 04    13 18 12.2 +31 09 26   0.1428  1.0107    83.6    88.3    20.3
    2017 07 05    13 26 13.8 +31 27 20   0.1455  1.0126    84.3    87.5    20.3
    2017 07 06    13 34 00.2 +31 42 51   0.1482  1.0144    84.9    86.7    20.3
    ...
    2017 07 12    14 15 27.9 +32 34 54   0.1662  1.0250    88.2    82.4    20.4
    ...
    2017 07 20    14 58 54.6 +32 30 42   0.1923  1.0379    91.1    78.2    20.6
    ...
    2017 08 04    15 57 15.4 +30 37 51   0.2420  1.0582    93.7    73.1    21.0
    
    A. U. Tomatic                (C) Copyright 2017 MPC           M.P.E.C. 2017-N55
    

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