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  • MPEC 2020-Q220 : 2014 UG57

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    M.P.E.C. 2020-Q220                              Issued 2020 August 28, 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 UG57                                
    
    
                               Revision to MPEC 2014-U81                            
    
    Additional Observations:
         K14U57G KC2016 09 09.43078423 08 09.255-29 41 14.21         23.98GVEQ220T12
         K14U57G KC2016 09 27.36666922 31 38.076-29 17 28.82         24.17GVEQ220T12
    
    Observer details:
    T12 Mauna Kea-UH/Tholen NEO Follow-Up (2.24-m).  Observers Y. Ramanjooloo, Z.
        Claytor, 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 (or two decimals in degrees), reference and Delta-T
    160909 T12 0.03+ 0.01+    160927 T12 0.03+ 0.01+    MPO342302   +0.10 days
    
    Orbital elements:
    2014 UG57                                                Earth MOID = 0.1322 AU
    Epoch 2020 May 31.0 TT = JDT 2459000.5                  Veres
    M 216.96984              (2000.0)            P               Q
    n   0.47172933     Peri.   59.69465     +0.01543413     -0.99501079
    a   1.6343339      Node    29.90776     +0.83602136     -0.04123254
    e   0.3659525      Incl.   11.40156     +0.54847979     +0.09084822
    P   2.09           H   22.9           G   0.15           U   1
    Residuals in seconds of arc
    141022 691  0.3-  0.3-    141030 H21  0.3+  0.1-    141114 H21  0.1-  0.2-
    141022 691  0.7-  0.0     141030 204  0.0   0.1-    141114 H21  0.0   0.1-
    141022 691  0.3-  0.5+    141030 204  0.0   1.0-    141114 H21  0.1+  0.5-
    141025 F51  0.0   0.1-    141031 291  0.0   0.1+    141115 H21  0.5+  0.1+
    141025 F51  0.0   0.1-    141031 291  0.3-  0.4+    141115 H21  0.3+  0.3-
    141025 F51  0.1+  0.0     141031 291  0.1-  0.2+    141115 H21  0.2+  0.2-
    141025 F51  0.1+  0.0     141102 H21  0.2-  0.2+    141118 H21  0.1+  0.1+
    141025 F51  0.1+  0.1+    141102 H21  0.1-  0.3+    141118 H21  0.1-  0.4+
    141025 F51  0.1+  0.1+    141102 H21  0.1-  0.2+    141118 H21  0.1+  0.7+
    141025 F51  0.0   0.1-    141102 H21  0.4-  0.1-    141118 H21  0.0   0.2-
    141025 F51  0.2-  0.1+    141102 H21  0.0   0.3-    141122 291  0.5-  0.2+
    141026 291  0.1+  0.0     141102 H21  0.1+  0.6-    141122 291  0.5-  0.2+
    141026 291  0.4-  0.1+    141109 705  0.4-  0.8+    141122 291  0.4-  0.4+
    141026 291  0.5-  0.2+    141109 705  1.0+  1.4-    150214 675  0.1+  0.5+
    141026 595  1.1+  0.1+    141109 705  0.2-  0.3+    150214 675  0.1-  0.2+
    141026 595  0.2+  0.6+    141110 G58  0.2+  0.4-    160909 T12  0.1+  0.0
    141030 H21  0.0   0.1+    141110 G58  0.1+  0.3-    160927 T12  0.1-  0.0
    141030 H21  0.2+  0.1-    141110 G58  0.1-  0.2-
    
    Ephemeris:
    2014 UG57                a,e,i = 1.63, 0.37, 11                  q = 1.0362
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2020 07 29    20 43 56.7 -41 18 00   1.0518  2.0269   157.3    11.1    25.2
    ...
    2020 08 13    20 14 59.8 -42 06 51   1.0461  1.9795   148.0    15.7    25.3
    ...
    2020 08 21    20 01 26.2 -41 51 06   1.0628  1.9523   140.5    19.3    25.5
    ...
    2020 08 27    19 53 08.9 -41 22 47   1.0829  1.9310   134.6    21.9    25.6
    2020 08 28    19 51 57.0 -41 16 54   1.0868  1.9273   133.6    22.3    25.6
    2020 08 29    19 50 48.5 -41 10 43   1.0908  1.9237   132.6    22.7    25.6
    ...
    2020 09 04    19 45 08.9 -40 28 05   1.1178  1.9014   126.7    25.2    25.7
    ...
    2020 09 12    19 40 48.5 -39 19 37   1.1600  1.8704   119.2    28.0    25.8
    ...
    2020 09 27    19 42 02.2 -36 49 39   1.2511  1.8088   106.3    32.1    26.0
    
    A. U. Tomatic                (C) Copyright 2020 MPC           M.P.E.C. 2020-Q220
    


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