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  • MPEC 2019-C86 : 2016 RR33

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    M.P.E.C. 2019-C86                                Issued 2019 Feb. 10, 00:02 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 RR33
    
                              Revision to MPEC 2016-R146
    
    Additional Observations:
         K16R33R KC2019 02 05.66692313 36 50.111+00 05 02.31         23.52GVEC086T12
         K16R33R  C2019 02 06.49903013 37 43.064+00 03 07.37         22.91GVEC086T12
    
    Observer details:
    T12 Mauna Kea-UH/Tholen NEO Follow-Up (2.24-m).  Observers D. Hung,
        D. Fohring.  Measurer D. J. Tholen.  2.24-m f/10.1 reflector + CCD.
    
    First and last observations above in comparison with prediction:
    Residuals in seconds of arc, reference and Delta-T
    190205 T12 41.8+ 21.5-    190206 T12 42.4+ 21.8-    MPO438028   -0.023 day
    
    Orbital elements:
    2016 RR33                                                Earth MOID = 0.2225 AU
    Epoch 2019 Apr. 27.0 TT = JDT 2458600.5                 MPC
    M 332.65833              (2000.0)            P               Q
    n   0.31226845     Peri.  213.57018     +0.11219225     +0.98791392
    a   2.1517112      Node    63.07683     -0.88327170     +0.14845661
    e   0.4291569      Incl.    6.88948     -0.45524060     -0.04457256
    P   3.16           H   19.3           G   0.15           U   3
    Residuals in seconds of arc
    160801 F51  0.0   0.0     160909 691  0.1+  0.7-    160922 807  0.0   0.2+
    160801 F51  0.0   0.0     160910 807  0.1+  0.3+    160922 807  0.2+  0.0
    160801 F51  0.0   0.1-    160910 807  0.2+  0.0     161002 F51  0.0   0.2+
    160801 F51  0.1-  0.0     160910 807  0.1-  0.2+    161002 F51  0.1-  0.4+
    160814 F51  0.0   0.0     160910 691  0.4-  0.1+    161025 807  0.1-  0.3-
    160814 F51  0.0   0.1-    160910 691  0.4-  0.1-    161025 807  0.1-  0.1-
    160908 F51  0.1+  0.3+    160910 691  0.2-  0.1+    161125 807  0.1+  1.1-
    160908 F51  0.2+  0.3+    160912 807  0.4+  0.3-    161125 807  0.2+  0.6-
    160908 F51  0.2+  0.2+    160912 807  0.6-  0.6+    161125 807  0.2+  0.6-
    160908 F51  0.2+  0.3+    160912 807  0.0   0.2-    190205 T12  0.1-  0.0
    160909 691  0.2+  1.2-    160922 807  0.4-  0.9+    190206 T12  0.0   0.2-
    
    Ephemeris:
    2016 RR33                a,e,i = 2.15, 0.43, 7                   q = 1.2283
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2019 01 11    13 05 29.1 +01 45 51   1.7260  2.0702    95.7    28.2    23.3
    ...
    2019 01 26    13 24 42.7 +00 37 39   1.4812  1.9909   105.9    28.4    22.9
    ...
    2019 02 03    13 33 57.3 +00 11 51   1.3557  1.9478   111.6    28.1    22.7
    ...
    2019 02 09    13 40 16.5 -00 02 01   1.2647  1.9151   116.0    27.6    22.5
    2019 02 10    13 41 16.1 -00 03 50   1.2498  1.9097   116.8    27.5    22.4
    2019 02 11    13 42 14.8 -00 05 32   1.2351  1.9042   117.5    27.4    22.4
    ...
    2019 02 17    13 47 42.6 -00 12 40   1.1484  1.8712   122.1    26.6    22.2
    ...
    2019 02 25    13 53 47.7 -00 14 00   1.0386  1.8270   128.5    25.1    21.8
    ...
    2019 03 12    14 00 26.9 +00 09 11   0.8534  1.7435   141.4    20.8    21.2
    
    A. U. Tomatic                (C) Copyright 2019 MPC           M.P.E.C. 2019-C86
    

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