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  • MPEC 2021-E124 : 2014 DO112

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    M.P.E.C. 2021-E124                               Issued 2021 March 12, 15:00 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
    
                                   2014 DO112                                
    
    
                               Revision to MPEC 2014-H44                            
    
    Additional Observations:
         K14DB2O |C2021 02 21.34927 14 32 41.30 -10 54 20.4          22.6 GVEE124807
         K14DB2O |C2021 02 21.36094 14 32 42.92 -10 54 28.7          22.5 GVEE124807
         K14DB2O |C2021 02 21.37261 14 32 44.58 -10 54 37.0          22.5 GVEE124807
         K14DB2O |C2021 03 09.26074 15 12 49.48 -14 03 58.7          22.0 GVEE124807
         K14DB2O |C2021 03 09.26480 15 12 50.12 -14 04 01.7          22.2 GVEE124807
         K14DB2O |C2021 03 09.26904 15 12 50.74 -14 04 04.4          22.2 GVEE124807
    
    Observer details:
    807 Cerro Tololo Observatory, La Serena.  Observers T. Linder, R. Holmes.
        1.00-m f/10.0 astrograph + CCD.
    
    First and last observations above in comparison with prediction:
    Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
    210221 807 0.05+ 0.02+    210309 807 0.07+ 0.02+    MPO300683   +0.05 days
    
    Orbital elements:
    2014 DO112                                               Earth MOID = 0.2585 AU
    Epoch 2020 Dec. 17.0 TT = JDT 2459200.5                 Veres
    M 318.91919              (2000.0)            P               Q
    n   0.28392147     Peri.  192.56746     -0.50566657     +0.86194233
    a   2.2926472      Node    47.07033     -0.78712053     -0.44345129
    e   0.4452585      Incl.    2.88357     -0.35318916     -0.24577709
    P   3.47           H   21.0           G   0.15           U   1
    Residuals in seconds of arc
    140228 F51  0.2+  0.1+    140426 H21  0.3+  0.3+    140520 F51  0.1-  0.0
    140228 F51  0.2+  0.1-    140426 H21  0.2-  0.7-    140520 F51  0.1-  0.0
    140228 F51  0.0   0.2+    140426 H21  0.0   0.3-    140528 F51  0.0   0.2+
    140228 F51  0.3+  0.2-    140426 H21  0.3+  0.4-    140528 F51  0.2+  0.1+
    140304 H01  0.0   0.1+    140503 204  0.4+  0.3-    140528 F51  0.1+  0.1+
    140304 H01  0.1-  0.1+    140503 204  0.4+  0.0     140528 F51  0.2+  0.3+
    140304 H21  0.0   0.1-    140503 204  0.1+  0.7-    140620 F51  0.1+  0.0
    140304 H01  0.0   0.1-    140504 448 (1.9+  0.5-)   140620 F51  0.1-  0.0
    140304 H21  0.1-  0.1+    140504 448  1.0+  0.7-    140620 F51  0.1+  0.1-
    140304 H01  0.1-  0.1+    140504 F51  0.1-  0.1+    140630 F51  0.0   0.0
    140304 H21  0.8-  0.3+    140504 F51  0.1-  0.1+    140630 F51  0.1+  0.1-
    140402 691  0.9-  0.3+    140504 F51  0.1-  0.2-    140630 F51  0.1-  0.0
    140402 691  0.1-  0.5+    140504 F51  0.2-  0.1+    140630 F51  0.0   0.0
    140402 691  0.1-  0.0     140515 807  0.3+  0.5-    210221 807  0.3+  0.0
    140424 F51  0.1-  0.0     140515 807  0.2+  0.7-    210221 807  0.2-  0.0
    140424 F51  0.1+  0.0     140515 807  0.0   0.1+    210221 807  0.1-  0.1+
    140424 F51  0.0   0.0     140518 F51  0.1-  0.1-    210309 807  0.0   0.2-
    140424 F51  0.1-  0.1-    140518 F51  0.0   0.0     210309 807  0.2+  0.2-
    140425 291  0.0   0.1+    140518 F51  0.1-  0.0     210309 807  0.2-  0.2+
    140425 291  0.0   0.2+    140518 F51  0.1-  0.0
    140425 291  0.1-  0.1+    140520 F51  0.0   0.0
    
    Ephemeris:
    2014 DO112               a,e,i = 2.29, 0.45, 3                   q = 1.2718
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2021 02 10    14 05 48.1 -08 38 38   0.9105  1.5436   108.8    37.2    23.2
    ...
    2021 02 25    14 41 37.4 -11 37 57   0.7501  1.4701   114.6    37.7    22.7
    ...
    2021 03 05    15 01 46.1 -13 13 19   0.6746  1.4339   117.5    37.9    22.4
    ...
    2021 03 11    15 17 23.1 -14 24 43   0.6227  1.4084   119.5    37.9    22.2
    2021 03 12    15 20 01.7 -14 36 36   0.6144  1.4043   119.8    37.9    22.2
    2021 03 13    15 22 41.1 -14 48 28   0.6063  1.4003   120.2    37.9    22.2
    ...
    2021 03 19    15 38 52.0 -15 59 37   0.5599  1.3770   122.1    37.8    22.0
    ...
    2021 03 27    16 01 05.6 -17 34 14   0.5046  1.3490   124.5    37.6    21.7
    ...
    2021 04 11    16 44 17.4 -20 29 51   0.4204  1.3069   128.7    36.7    21.2
    
    A. U. Tomatic                (C) Copyright 2021 MPC           M.P.E.C. 2021-E124
    


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