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  • MPEC 2016-Y65 : 2016 YN4

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    M.P.E.C. 2016-Y65                                Issued 2016 Dec. 27, 22:24 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
    
                                       2016 YN4
    
    Observations:
         K16Y04N* C2016 12 24.57483 12 20 01.83 +52 17 17.1          18.8 wLEY065T05
         K16Y04N  C2016 12 24.58642 12 19 49.65 +52 17 36.5          19.0 wLEY065T05
         K16Y04N  C2016 12 24.59792 12 19 37.34 +52 17 56.0          18.9 wLEY065T05
         K16Y04N  C2016 12 24.60935 12 19 25.28 +52 18 12.9          19.0 wLEY065T05
         K16Y04N KC2016 12 26.16114 11 53 05.60 +52 44 24.9          18.1 RrEY065106
         K16Y04N KC2016 12 26.16435 11 53 02.15 +52 44 26.1          18.6 RrEY065106
         K16Y04N KC2016 12 26.16757 11 52 58.98 +52 44 27.8          18.1 RrEY065106
         K16Y04N  C2016 12 26.46762211 48 02.67 +52 47 06.6          18.1 GUEY065H01
         K16Y04N  C2016 12 26.47437711 47 55.84 +52 47 09.8          18.1 GUEY065H01
         K16Y04N  C2016 12 26.48451211 47 45.57 +52 47 14.6          18.0 GUEY065H01
         K16Y04N  C2016 12 26.49006511 47 39.95 +52 47 17.2          18.1 GUEY065H01
         K16Y04N KC2016 12 26.86974 11 41 29.60 +52 48 28.0          19.2 VqEY065Z99
         K16Y04N KC2016 12 26.87354 11 41 26.28 +52 48 30.0          18.9 VqEY065Z99
         K16Y04N KC2016 12 26.87731 11 41 22.58 +52 48 31.2          18.4 VqEY065Z99
         K16Y04N KC2016 12 26.93939511 40 22.77 +52 48 50.4          19.0 VqEY065Z80
         K16Y04N KC2016 12 26.94674211 40 15.43 +52 48 52.7          18.6 VqEY065Z80
         K16Y04N KC2016 12 26.95409111 40 08.29 +52 48 54.7          18.4 VqEY065Z80
         K16Y04N KC2016 12 26.98270 11 39 40.80 +52 49 07.9          17.8 RqEY065C23
         K16Y04N KC2016 12 26.98495 11 39 38.60 +52 49 07.1          17.9 RqEY065C23
         K16Y04N KC2016 12 26.98719 11 39 36.37 +52 49 08.0          17.9 RqEY065C23
         K16Y04N KC2016 12 27.05195 11 38 33.42 +52 49 24.2          18.3 VqEY065J69
         K16Y04N KC2016 12 27.05779 11 38 27.72 +52 49 25.8          18.4 VqEY065J69
         K16Y04N KC2016 12 27.06362 11 38 22.01 +52 49 27.2          18.4 VqEY065J69
         K16Y04N KC2016 12 27.09220 11 37 54.13 +52 49 33.3                qEY065J95
         K16Y04N KC2016 12 27.09478 11 37 51.62 +52 49 33.6                qEY065J95
         K16Y04N KC2016 12 27.09745 11 37 48.99 +52 49 34.3          18.1 RqEY065J95
         K16Y04N KC2016 12 27.11809 11 37 28.44 +52 49 43.5          18.0 RqEY065K30
         K16Y04N KC2016 12 27.12790 11 37 18.85 +52 49 45.1          17.8 RqEY065K30
         K16Y04N KC2016 12 27.13851 11 37 08.43 +52 49 46.8          18.2 RqEY065K30
         K16Y04N  C2016 12 27.39647 11 33 03.09 +52 49 57.9          18.5 VqEY065I52
         K16Y04N  C2016 12 27.39808 11 33 01.52 +52 49 57.9          18.5 VqEY065I52
         K16Y04N  C2016 12 27.39968 11 32 59.96 +52 49 58.1          18.5 VqEY065I52
         K16Y04N  C2016 12 27.40135 11 32 58.33 +52 49 58.1          18.5 VqEY065I52
         K16Y04N  C2016 12 27.47836111 31 43.02 +52 50 00.3          18.0 GUEY065H01
         K16Y04N KC2016 12 27.48177 11 31 38.00 +52 49 56.6          18.7 VqEY065W25
         K16Y04N  C2016 12 27.48549011 31 36.06 +52 50 00.0          18.0 GUEY065H01
         K16Y04N KC2016 12 27.48727 11 31 32.78 +52 49 56.3          18.6 VqEY065W25
         K16Y04N  C2016 12 27.49430911 31 27.45 +52 49 59.5          17.9 GUEY065H01
         K16Y04N  C2016 12 27.49881211 31 23.06 +52 49 59.2          18.0 GUEY065H01
         K16Y04N KC2016 12 27.83769 11 26 06.19 +52 48 18.5                SEY065C43
         K16Y04N KC2016 12 27.84096 11 26 03.20 +52 48 17.7                SEY065C43
         K16Y04N KC2016 12 27.84472 11 25 59.72 +52 48 17.6                SEY065C43
    
    Observer details:
    106 Crni Vrh.  Observer B. Mikuz.  0.6-m f/3.3 Deltagraph + CCD.
    C23 Olmen.  Observer A. Diepvens.  0.20-m f/9 refractor + CCD.
    C43 Hoyerswerda.  Observer P. Lindner.  0.30-m f/6.3 Schmidt-Cassegrain + CCD.
    H01 Magdalena Ridge Observatory, Socorro.  Observers W. H. Ryan, E. V. Ryan.
        Measurer W. H. Ryan.  2.4-m f/8.9 reflector + 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.
    J69 North Observatory, Clanfield.  Observer D. Briggs.  0.41-m f/4.5 Newtonian
        reflector + CCD.
    J95 Great Shefford.  Observer P. Birtwhistle.  0.40-m f/6.0 Schmidt-Cassegrain
        + CCD.
    K30 Luscherz.  Observer L. Grimm.  0.25-m f/4.8 Newtonian reflector + CCD.
    T05 ATLAS-HKO, Haleakala.  Observers L. Denneau, A. Heinze, H. Weiland,
        B. Stalder, J. Tonry, A. Sherstyuk.  Measurers L. Denneau, A. Heinze,
        J. Tonry.  0.5-m f/2.0 Schmidt + CCD.
    W25 RMS Observatory, Cincinnati.  Observer B. Rowe.  0.35-m Schmidt-Cassegrain
        + CCD.
    Z80 Northolt Branch Observatory.  Observer G. Wells.  Measurer D. Bamberger.
        0.15-m f/10 Schmidt-Cassegrain + CCD + f/6.3 focal reducer.
    Z99 Clixby Observatory, Cleethorpes.  Observer A. Mickleburgh.  0.36-m f/8
        Schmidt-Cassegrain + CCD.
    
    Orbital elements:
    2016 YN4                                                 Earth MOID = 0.0804 AU
    Epoch 2017 Feb. 16.0 TT = JDT 2457800.5                 MPC
    M  26.03527              (2000.0)            P               Q
    n   0.25700745     Peri.   39.53007     +0.93168929     -0.36035883
    a   2.4500347      Node   341.43545     +0.28611341     +0.80564284
    e   0.7111025      Incl.    8.26895     +0.22381729     +0.47019265
    P   3.83           H   19.9           G   0.15           U   8
    Residuals in seconds of arc
    161224 T05  0.3-  0.5-    161226 Z80  0.7+  0.1+    161227 K30  0.1+  0.2-
    161224 T05  0.6+  0.1-    161226 Z80  1.5-  0.0     161227 I52  0.1-  0.3+
    161224 T05  0.5-  0.8+    161226 Z80  1.8-  0.4-    161227 I52  0.2-  0.1+
    161224 T05  0.2+  0.5-    161226 C23  0.3+  1.4+    161227 I52  0.2-  0.1+
    161226 106  0.6-  1.2+    161226 C23  0.2+  0.1-    161227 I52  0.3-  0.0
    161226 106 (2.2-  0.4+)   161226 C23  0.2-  0.1+    161227 H01  0.0   0.2-
    161226 106  1.2-  0.1+    161227 J69  0.2-  0.1+    161227 W25  0.9-  0.3+
    161226 H01  0.3+  0.0     161227 J69  0.2-  0.2+    161227 H01  0.1-  0.2-
    161226 H01  0.3+  0.1-    161227 J69  0.3-  0.1+    161227 W25  0.3+  0.7+
    161226 H01  0.2+  0.1-    161227 J95  0.3+  0.0     161227 H01  0.1-  0.3-
    161226 H01  0.2+  0.0     161227 J95  0.5+  0.2-    161227 H01  0.1-  0.3-
    161226 Z99  0.6-  0.9+    161227 J95  0.3+  0.1-    161227 C43  0.4-  0.2+
    161226 Z99 (2.4+  1.7+)   161227 K30  0.5-  0.2-    161227 C43  0.1-  0.2-
    161226 Z99 (1.7+  1.6+)   161227 K30  0.0   0.2-    161227 C43  0.1-  0.1+
    
    Ephemeris:
    2016 YN4                 a,e,i = 2.45, 0.71, 8                   q = 0.7078
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2016 11 27    17 13 07.8 +04 46 34   0.2405  0.7875    29.9   141.3    23.3
    ...
    2016 12 12    15 32 02.2 +34 04 02   0.1658  0.9194    62.4   108.4    19.9
    ...
    2016 12 20    13 39 10.6 +48 30 08   0.1670  1.0020    91.4    79.0    18.8
    ...
    2016 12 26    11 55 46.7 +52 42 37   0.1858  1.0667   111.9    58.8    18.5
    2016 12 27    11 39 21.6 +52 49 27   0.1902  1.0776   115.0    55.8    18.5
    2016 12 28    11 23 33.0 +52 48 07   0.1949  1.0886   118.0    52.9    18.5
    ...
    2017 01 03    10 04 35.6 +50 40 11   0.2297  1.1548   134.0    37.8    18.5
    ...
    2017 01 11    08 58 45.2 +45 44 56   0.2908  1.2437   150.0    23.3    18.8
    ...
    2017 01 26    08 02 17.3 +37 35 59   0.4430  1.4090   160.0    13.8    19.7
    
    A. U. Tomatic                (C) Copyright 2016 MPC           M.P.E.C. 2016-Y65
    

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