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  • MPEC 2016-U22 : 2016 UD

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    M.P.E.C. 2016-U22                                Issued 2016 Oct. 20, 11:16 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 UD
    
    Observations:
         K16U00D* C2016 10 19.40582 00 50 20.55 +18 06 39.6          19.0 VqEU022G96
         K16U00D  C2016 10 19.41184 00 50 18.49 +18 06 46.3          18.5 VqEU022G96
         K16U00D  C2016 10 19.41614 00 50 17.05 +18 06 50.5          18.7 VqEU022G96
         K16U00D  C2016 10 19.42040 00 50 15.66 +18 06 54.9          18.4 VqEU022G96
         K16U00D  C2016 10 19.43498 00 50 11.03 +18 07 09.3          18.2 VqEU022G96
         K16U00D  C2016 10 19.43892 00 50 09.84 +18 07 12.3          17.7 VqEU022G96
         K16U00D  C2016 10 19.44275 00 50 08.69 +18 07 16.5          18.8 VqEU022G96
         K16U00D |C2016 10 19.44976 00 50 47.68 +18 16 05.2          18.8 RrEU022Q62
         K16U00D |C2016 10 19.45418 00 50 45.93 +18 16 12.8          18.8 RrEU022Q62
         K16U00D |C2016 10 19.45861 00 50 44.19 +18 16 20.2          18.7 RrEU022Q62
         K16U00D KC2016 10 19.95449 00 49 04.98 +18 16 38.2          19.6 RqEU022J95
         K16U00D KC2016 10 19.96731 00 49 02.12 +18 16 49.9                qEU022J95
         K16U00D KC2016 10 19.97038 00 49 01.44 +18 16 52.6                qEU022J95
         K16U00D KC2016 10 19.97307 00 49 00.81 +18 16 54.8          19.5 RqEU022J95
         K16U00D  C2016 10 20.15748 00 48 52.42 +18 20 48.8          19.4 RoEU022926
         K16U00D  C2016 10 20.16634 00 48 50.57 +18 20 57.5          19.3 RoEU022926
         K16U00D  C2016 10 20.17516 00 48 48.75 +18 21 06.4          19.3 RoEU022926
         K16U00D  C2016 10 20.34501 00 48 13.91 +18 22 49.4                qEU022G96
         K16U00D  C2016 10 20.34964 00 48 13.09 +18 22 52.0          19.8 VqEU022G96
         K16U00D  C2016 10 20.35222 00 48 12.67 +18 22 53.1          19.5 VqEU022G96
         K16U00D  C2016 10 20.39611 00 48 05.50 +18 23 04.2          20.3 VqEU022I52
         K16U00D  C2016 10 20.39934 00 48 04.99 +18 23 05.0          20.2 VqEU022I52
         K16U00D  C2016 10 20.40222 00 48 04.54 +18 23 05.4          20.5 VqEU022I52
         K16U00D  C2016 10 20.40640 00 48 03.92 +18 23 06.5          19.6 VqEU022I52
    
    Observer details:
    926 Tenagra II Observatory.  Observers M. Schwartz, P. R. Holvorcem.  Measurer
        M. Schwartz.  0.81-m f/7 Ritchey-Chretien + CCD.
    G96 Mt. Lemmon Survey.  Observer R. A. Kowalski.  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.
    I52 Steward Observatory, Mt. Lemmon Station.  Observer A. R. Gibbs.  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.
    Q62 iTelescope Observatory, Siding Spring.  Observers L. Buzzi, P. Concari,
        S. Foglia, G. Galli, M. Tombelli.  0.15-m f/7 refractor + CCD.
    
    Orbital elements:
    2016 UD                                                  Earth MOID = 0.0002 AU
    Epoch 2016 July 31.0 TT = JDT 2457600.5                 MPC
    M 345.74009              (2000.0)            P               Q
    n   0.47426398     Peri.  259.54229     +0.24460862     +0.96720442
    a   1.6285057      Node    24.94141     -0.81400686     +0.24318346
    e   0.6802791      Incl.    9.33854     -0.52683912     +0.07333080
    P   2.08           H   26.6           G   0.15           U   6
    Residuals in seconds of arc
    161019 G96  0.1-  0.0     161019 Q62  0.0   0.0     161020 926  0.1-  0.2+
    161019 G96  0.0   0.3+    161019 Q62  0.1-  0.1+    161020 G96  0.2-  0.9-
    161019 G96  0.0   0.0     161019 J95  0.0   0.2-    161020 G96  0.1-  0.2+
    161019 G96  0.2+  0.1+    161019 J95  0.1+  0.0     161020 G96  0.4+  0.4+
    161019 G96  0.1-  0.2+    161019 J95  0.2+  0.0     161020 I52  0.6+  0.0
    161019 G96  0.1-  0.6-    161019 J95  0.3-  0.1-    161020 I52  0.2+  0.1+
    161019 G96  0.2-  0.1+    161020 926  0.2-  0.3+    161020 I52  0.1-  0.0
    161019 Q62  0.2+  0.1-    161020 926  0.4-  0.0     161020 I52  0.3-  0.3+
    
    Ephemeris:
    2016 UD                  a,e,i = 1.63, 0.68, 9                   q = 0.5207
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2016 09 20    12 48 04.4 -15 56 58   0.3958  0.6555    22.3   144.4    31.2
    ...
    2016 10 05    12 50 42.6 -17 52 57   0.1708  0.8347    13.3   164.0
    ...
    2016 10 13    12 49 23.2 -18 16 57   0.06454 0.9346    12.0   167.2    35.0
    ...
    2016 10 19    00 54 05.9 +17 47 28   0.01320 1.0089   167.2    12.6    18.0
    2016 10 20    00 50 07.4 +18 13 04   0.02613 1.0210   165.7    13.9    19.5
    2016 10 21    00 48 47.6 +18 21 22   0.03907 1.0332   164.8    14.7    20.5
    ...
    2016 10 27    00 47 28.9 +18 28 56   0.1173  1.1049   160.2    17.7    23.1
    ...
    2016 11 04    00 48 56.4 +18 25 06   0.2247  1.1976   153.9    21.4    24.8
    ...
    2016 11 19    00 56 03.3 +18 23 52   0.4401  1.3613   141.7    26.7    26.7
    
    A. U. Tomatic                (C) Copyright 2016 MPC           M.P.E.C. 2016-U22
    

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