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  • MPEC 2017-Y144: 2017 YP6

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    M.P.E.C. 2017-Y144                               Issued 2017 Dec. 29, 21:56 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 YP6
    
    Observations:
         K17Y06P* C2017 12 28.25630 06 23 59.71 +27 47 52.5          18.6 GUEY144G96
         K17Y06P  C2017 12 28.26150 06 23 59.59 +27 52 15.9          18.2 GUEY144G96
         K17Y06P  C2017 12 28.26669 06 23 59.36 +27 56 37.1                UEY144G96
         K17Y06P  C2017 12 28.27189 06 23 59.26 +28 00 59.1          19.0 GUEY144G96
         K17Y06P  C2017 12 28.32170 06 23 57.62 +28 42 46.0          17.9 GUEY144I52
         K17Y06P  C2017 12 28.32182 06 23 57.61 +28 42 52.2          18.0 GUEY144I52
         K17Y06P  C2017 12 28.32195 06 23 57.64 +28 42 59.0                UEY144I52
         K17Y06P  C2017 12 28.32207 06 23 57.61 +28 43 05.1          18.2 GUEY144I52
         K17Y06P  C2017 12 28.42043 06 23 55.12 +30 05 49.3          17.8 RoEY144926
         K17Y06P  C2017 12 28.42133 06 23 55.14 +30 06 34.6          17.9 RoEY144926
         K17Y06P  C2017 12 28.42222 06 23 55.12 +30 07 19.7          17.9 RoEY144926
         K17Y06P KC2017 12 28.76382406 24 41.65 +34 58 21.7                UEY144J95
         K17Y06P KC2017 12 28.76820306 24 41.92 +35 02 11.8                UEY144J95
         K17Y06P KC2017 12 28.77073806 24 42.08 +35 04 24.8          18.4 GUEY144J95
         K17Y06P KC2017 12 29.20812 06 25 11.55 +41 27 24.8          18.8 RqEY144H36
         K17Y06P  C2017 12 29.21416 06 25 16.18 +41 32 52.7          18.7 GUEY144I52
         K17Y06P  C2017 12 29.21461 06 25 16.19 +41 33 16.4          18.3 GUEY144I52
         K17Y06P  C2017 12 29.21508 06 25 16.19 +41 33 40.5          18.2 GUEY144I52
         K17Y06P  C2017 12 29.21553 06 25 16.12 +41 34 04.9          18.3 GUEY144I52
         K17Y06P KC2017 12 29.21722 06 25 11.47 +41 35 21.5          18.4 RqEY144H36
         K17Y06P KC2017 12 29.22176 06 25 11.43 +41 39 21.2          19.0 RqEY144H36
         K17Y06P  C2017 12 29.29971 06 25 14.85 +42 47 46.2          18.3 RoEY144926
         K17Y06P  C2017 12 29.30095 06 25 14.80 +42 48 51.1          18.2 RoEY144926
         K17Y06P  C2017 12 29.30219 06 25 14.78 +42 49 55.1          18.4 RoEY144926
         K17Y06P KC2017 12 29.71634 06 26 12.54 +48 43 30.1          19.3 VSEY144C43
         K17Y06P KC2017 12 29.71772 06 26 12.74 +48 44 41.2          19.3 VSEY144C43
         K17Y06P KC2017 12 29.71908 06 26 12.76 +48 45 51.1          19.2 VSEY144C43
         K17Y06P KC2017 12 29.72045 06 26 12.91 +48 47 01.7          19.2 VSEY144C43
    
    Observer details:
    926 Tenagra II Observatory.  Observers M. Schwartz, P. R. Holvorcem.  Measurer
        M. Schwartz.  0.81-m f/7 Ritchey-Chretien + CCD.
    C43 Hoyerswerda.  Observer P. Lindner.  0.30-m f/6.3 Schmidt-Cassegrain + CCD.
    G96 Mt. Lemmon Survey.  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.
        1.5-m reflector + 10K CCD.
    H36 Sandlot Observatory, Scranton.  Observer G. Hug.  0.56-m reflector + CCD.
    I52 Steward Observatory, Mt. Lemmon Station.  Observer R. G. Matheny.
        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 YP6                                                 Earth MOID = 0.0376 AU
    Epoch 2017 Sept. 4.0 TT = JDT 2458000.5                 MPC
    M 285.43226              (2000.0)            P               Q
    n   0.52627363     Peri.   30.62563     -0.54227705     -0.70743992
    a   1.5193633      Node    96.09910     +0.64846294     -0.69544325
    e   0.3521752      Incl.   27.12042     +0.53425782     +0.12604542
    P   1.87           H   25.1           G   0.15           U   7
    Residuals in seconds of arc
    171228 G96  0.0   1.2-    171228 926  0.1+  0.3+    171229 H36  0.9+  1.0+
    171228 G96  0.4+  0.6+    171228 J95  0.2+  0.2-    171229 926  0.1+  0.2+
    171228 G96  0.6-  0.7+    171228 J95  0.2-  0.0     171229 926  0.1-  0.4+
    171228 G96  0.1+  1.0+    171228 J95  0.4-  0.2-    171229 926  0.0   0.3-
    171228 I52  0.1-  0.5-    171229 H36  0.8+  0.8+    171229 C43  0.0   0.3+
    171228 I52  0.2-  0.4-    171229 I52  0.1+  0.2+    171229 C43  0.4+  0.1+
    171228 I52  0.3+  0.1-    171229 I52  0.3+  0.2+    171229 C43  0.9-  0.3-
    171228 I52  0.1-  0.0     171229 I52  0.3+  0.5-    171229 C43  0.9-  0.5-
    171228 926  0.1-  0.2+    171229 I52  0.5-  0.1+
    171228 926  0.2+  0.1+    171229 H36  0.8+  0.4-
    
    Ephemeris:
    2017 YP6                 a,e,i = 1.52, 0.35, 27                  q = 0.9843
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2017 11 29    06 14 58.2 -38 59 52   0.2796  1.1286   113.8    53.1    24.5
    ...
    2017 12 14    06 19 28.8 -34 19 15   0.1448  1.0663   121.0    52.3    23.0
    ...
    2017 12 22    06 20 58.2 -20 50 09   0.07528 1.0387   135.4    41.6    21.2
    ...
    2017 12 28    06 23 40.0 +24 16 48   0.03780 1.0212   178.8     1.2    18.2
    2017 12 29    06 24 47.9 +38 25 19   0.03644 1.0186   164.8    14.7    18.8
    2017 12 30    06 26 32.3 +52 42 28   0.03739 1.0160   150.4    28.5    19.3
    ...
    2018 01 05    18 01 41.8 +80 17 11   0.07336 1.0027   103.3    72.6    22.0
    ...
    2018 01 13    18 14 00.4 +65 40 10   0.1406  0.9903    88.7    83.2    23.7
    ...
    2018 01 28    18 15 37.4 +58 24 02   0.2648  0.9851    82.3    82.2    25.1
    
    A. U. Tomatic                (C) Copyright 2017 MPC           M.P.E.C. 2017-Y144
    

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