[Iaude] MPEC Y62: 2015 DY53 [a=1.16,e=0.31,i=12.0,H=21.3]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Sun Dec 22 10:01:53 EST 2019


M.P.E.C. 2019-Y62                             Issued 2019 December 22, 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 at CFA.HARVARD.EDU
            URL https://www.minorplanetcenter.net/    ISSN 1523-6714

                                   2015 DY53                                    


                           Revision to MPEC 2015-D37                            

Additional Observations:
     K15D53Y KC2019 12 21.26570215 53 09.288+57 00 29.17         20.8 GVEY062J04
     K15D53Y KC2019 12 21.26778815 53 08.533+57 00 37.08         20.3 GVEY062J04
     K15D53Y KC2019 12 22.23372015 47 35.681+57 58 44.37         20.1 GVEY062J04
     K15D53Y KC2019 12 22.23580215 47 34.928+57 58 52.11         20.2 GVEY062J04
     K15D53Y KC2019 12 22.23789215 47 34.163+57 59 00.22         20.5 GVEY062J04

Observer details:
J04 ESA Optical Ground Station, Tenerife.  Observer D. Abreu.  Measurers M. 
   Micheli, D. Koschny, M. Busch, A. Knofel, E. Schwab.  1.0-m f/4.4 
   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
191221 J04 0.15- 0.03-    191222 J04 0.15- 0.04-    MPO477781   +0.03 days

Orbital elements:
2015 DY53                                                Earth MOID = 0.1387 AU
Epoch 2020 May 31.0 TT = JDT 2459000.5                  Veres
M 173.75925              (2000.0)            P               Q
n   0.79164286     Peri.   34.06928     +0.97026263     -0.23005782
a   1.1573104      Node   338.84456     +0.14803904     +0.80998311
e   0.3124312      Incl.   12.03623     +0.19150685     +0.53944486
P   1.25           H   21.3           G   0.15           U   2
Residuals in seconds of arc
150203 F51  0.4+  0.6-    150218 568  0.1-  0.0     150225 291  0.5+  0.2+
150203 F51  0.2-  0.2+    150218 033  0.4+  0.1-    150225 291  0.3+  0.5+
150203 F51  0.1-  0.2-    150218 033  0.1-  0.4+    150225 291  0.8+  0.0
150203 F51  0.0   0.0     150218 033  0.4+  0.2-    150225 568  0.0   0.1+
150216 F51  0.1-  0.1-    150218 033  0.1-  0.3+    150225 568  0.1-  0.0
150217 F51  0.1-  0.1+    150219 033  0.2+  0.2-    150325 568  0.0   0.0
150217 F51  0.1+  0.2+    150219 033  0.3-  0.4+    150325 568  0.0   0.1-
150217 F51  0.2+  0.1-    150220 H21  0.1+  0.5-    191221 J04  0.2+  0.1-
150218 291  0.4+  0.1-    150220 H21  0.5-  0.0     191221 J04  0.1-  0.1-
150218 291  0.0   0.1+    150220 H21  0.6-  0.4+    191222 J04  0.0   0.0
150218 291  0.3+  0.1+    150220 291  0.5+  0.0     191222 J04  0.0   0.2-
150218 568  0.1-  0.0     150220 291  0.3+  0.3+    191222 J04  0.0   0.0
150218 568  0.1-  0.0     150220 291  0.5+  0.4-

Ephemeris:
2015 DY53                a,e,i = 1.16, 0.31, 12                  q = 0.7957
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2019 11 22    17 16 57.4 +23 52 27   0.2376  0.8508    48.9   118.9    22.6
...
2019 12 07    16 48 56.3 +41 49 49   0.2116  0.9138    64.3   103.6    21.5
...
2019 12 15    16 22 31.3 +50 32 45   0.2033  0.9526    75.1    93.0    21.0
...
2019 12 21    15 54 33.3 +56 44 21   0.1986  0.9831    84.0    84.4    20.7
2019 12 22    15 48 53.6 +57 44 44   0.1979  0.9883    85.5    82.9    20.7
2019 12 23    15 42 52.0 +58 44 36   0.1972  0.9934    87.1    81.5    20.6
...
2019 12 29    14 56 30.2 +64 26 53   0.1943  1.0248    96.8    72.3    20.3
...
2020 01 06    13 12 22.5 +70 02 50   0.1940  1.0668   110.5    59.7    20.0
...
2020 01 21    09 13 52.5 +64 17 03   0.2140  1.1443   134.5    37.8    19.8

A. U. Tomatic                (C) Copyright 2019 MPC           M.P.E.C. 2019-Y62




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