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  • MPEC 2018-S76 : 2015 DV198

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    M.P.E.C. 2018-S76                                Issued 2018 Sept. 30, 22:27 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
    
                                      2015 DV198
    
                               Revision to MPEC 2015-D90
    
    Additional Observations:
         K15DJ8V  C2018 08 14.49445223 13 16.054+23 32 39.81         23.25GVES076T12
         K15DJ8V  C2018 08 14.50190223 13 15.629+23 32 36.97         23.29GVES076T12
         K15DJ8V  C2018 09 06.45603022 49 00.546+19 13 03.30         23.01GVES076T12
         K15DJ8V  C2018 09 06.46350522 49 00.041+19 12 56.24         23.05GVES076T12
    
    Observer details:
    T12 Mauna Kea-UH/Tholen NEO Follow-Up (2.24-m).  Observer D. Hung.  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
    180814 T12 38.9+  2.0-    180906 T12 42.0+  2.2+    MPO369258   -0.022 day
    
    Orbital elements:
    2015 DV198                                               Earth MOID = 0.2476 AU
    Epoch 2019 Apr. 27.0 TT = JDT 2458600.5                 MPC
    M 176.93333              (2000.0)            P               Q
    n   0.36499497     Peri.    9.24284     -0.80847325     +0.56551961
    a   1.9391503      Node   207.27594     -0.56013962     -0.82435092
    e   0.3556211      Incl.   20.83088     -0.18059514     +0.02516201
    P   2.70           H   20.2           G   0.15           U   1
    Residuals in seconds of arc
    150223 F51  0.1-  0.2-    150418 H21  0.1-  0.1-    150501 H21  0.7-  0.0
    150223 F51  0.0   0.1+    150418 H21  0.1-  0.1+    150501 H21  0.6-  0.2+
    150223 F51  0.1+  0.2-    150418 H21  0.2-  0.3+    150507 H21  0.5-  0.3+
    150224 W87  0.2-  0.1-    150418 H21  0.1-  0.0     150507 H21  0.6-  0.1+
    150224 W87  0.3-  0.2+    150418 H21  0.1+  0.1+    150507 H21  0.1+  0.0
    150224 W87  0.0   0.2+    150420 204  0.4-  0.0     150509 705  0.1-  0.5+
    150224 807  0.2+  0.1-    150420 204  0.4-  0.5+    150509 705  0.3+  0.4+
    150224 807  0.2+  0.1-    150420 204  0.2+  0.2-    150509 705  0.5+  0.2+
    150224 W85  0.0   0.1-    150420 D29  1.2+  0.9-    150511 D29  0.3-  0.3+
    150224 W85  0.1+  0.3-    150420 D29  1.3+  0.4-    150511 D29  0.5-  0.2-
    150224 807  0.1+  0.2-    150421 H21  0.3-  0.5-    150512 H21  0.4+  0.6+
    150224 W85  0.1+  0.3-    150421 H21  0.1-  0.7-    150512 H21  0.2-  0.0
    150224 568  0.0   0.2-    150421 H21  0.8+  0.4-    150512 H21  0.2-  0.1-
    150224 568  0.1-  0.2-    150423 H21  0.1-  0.2+    150512 H21  0.2-  0.0
    150224 568  0.1-  0.2-    150423 H21  0.2-  0.3-    150512 H21  0.3-  0.1-
    150224 474  0.2-  0.4-    150423 H21  0.5+  0.2+    150512 H21  0.1-  0.0
    150224 474  0.2+  0.9-    150423 703  0.5-  0.1-    150512 H21  0.1+  0.3-
    150226 807  0.4+  0.2+    150423 703  0.0   0.2-    150512 H21  0.3-  0.2-
    150226 807  0.3+  0.5+    150423 703  0.0   0.6+    150513 H21  0.3-  0.3-
    150226 807  0.2+  0.0     150423 703  0.3-  0.4-    150513 H21  0.3-  0.1-
    150314 807  0.2-  0.2-    150425 G45  0.1-  0.2-    150513 H21  0.3-  0.2+
    150314 807  0.0   0.1-    150425 G45  0.1+  0.0     150513 H21  0.0   0.4+
    150314 807  0.2+  0.1-    150425 G45  0.1-  0.1-    150518 D29  0.2+  0.2+
    150314 474  0.0   0.8+    150425 G45  0.1+  0.1-    150518 D29  0.6-  0.0
    150314 474 (1.6-  0.6+)   150427 H21  0.1-  0.2-    150518 D29  0.0   0.1+
    150314 474  0.1-  0.3+    150427 H21  0.1-  0.4-    150531 926  0.4-  0.0
    150314 474  0.0   0.2-    150427 H21  0.0   0.5-    150531 926  0.2-  0.2-
    150322 F51  0.2+  0.0     150427 H21  0.1+  0.5-    150531 926  0.2-  0.2-
    150322 F51  0.1+  0.1+    150427 H21  0.1+  0.2-    150724 H21  0.2-  0.1+
    150322 F51  0.1+  0.1+    150428 H21  0.3-  0.4-    150724 H21  0.2-  0.2-
    150322 F51  0.1+  0.0     150428 H21  0.1+  0.0     150724 H21  0.4-  0.0
    150323 474  0.1+  0.1-    150428 H21  0.1+  0.1-    150814 H21  1.1+  1.4+
    150323 474  0.2-  0.1-    150429 H21  0.2-  0.0     150814 H21  1.3+  1.3+
    150323 474  0.2-  0.2-    150429 H21  0.2-  0.1+    150814 H21  1.4+  1.3+
    150411 807  0.0   0.1-    150429 H21  0.2-  0.1-    150814 H21  1.1+  1.2+
    150411 807  0.1-  0.3-    150429 H21  0.1+  0.1+    180814 T12  0.0   0.0
    150411 807  0.2+  0.0     150429 H21  0.0   0.0     180814 T12  0.0   0.1-
    150414 703  0.4+  0.4+    150429 H21  0.2+  0.3+    180906 T12  0.0   0.1-
    150414 703  0.8+  0.2+    150501 H21  0.5-  0.0     180906 T12  0.0   0.0
    150414 703  0.2+  0.8+    150501 H21  0.3-  0.2-
    
    Ephemeris:
    2015 DV198               a,e,i = 1.94, 0.36, 21                  q = 1.2495
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2018 08 31    22 56 09.1 +20 47 42   1.2294  2.1633   150.0    13.5    23.1
    ...
    2018 09 15    22 40 10.2 +16 49 27   1.2588  2.2176   156.5    10.4    23.1
    ...
    2018 09 23    22 33 11.1 +14 24 50   1.2983  2.2452   154.3    11.2    23.2
    ...
    2018 09 29    22 29 03.3 +12 35 37   1.3388  2.2654   150.6    12.6    23.4
    2018 09 30    22 28 28.1 +12 17 38   1.3464  2.2687   149.8    12.8    23.4
    2018 10 01    22 27 54.8 +11 59 46   1.3542  2.2720   149.0    13.1    23.4
    ...
    2018 10 07    22 25 13.6 +10 15 22   1.4063  2.2914   144.0    14.9    23.6
    ...
    2018 10 15    22 23 24.9 +08 06 57   1.4881  2.3165   136.6    17.2    23.8
    ...
    2018 10 30    22 25 13.0 +04 50 39   1.6730  2.3610   122.6    20.8    24.2
    
    A. U. Tomatic                (C) Copyright 2018 MPC           M.P.E.C. 2018-S76
    

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