[Iaude] MPEC M64: 2017 DD165 [a=36.18,e=0.04,i=7.4,H=8.35]

[mpec at cfa.harvard.edu]

M.P.E.C. 2024-M64                                 Issued 2024 June 27, 02:26 UT

     The Minor Planet Electronic Circulars contain information on unusual
         minor planets, routine data on comets and natural satellites,
         and occasional editorial announcements.  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

                                   2017 DD165                                   


Additional Observations:
     K17DG5D 1C2016 04 04.44253412 35 42.25 -00 31 10.4                WEM064T09
     K17DG5D 1C2016 04 04.51307812 35 41.89 -00 31 08.1                WEM064T09
     K17DG5D 1C2017 04 27.38087612 40 09.92 -00 47 08.4                WEM064T09
     K17DG5D 1C2019 04 04.53293912 54 36.58 -01 54 34.8                WEM064T09
     K17DG5D 1C2019 04 06.35009912 54 27.44 -01 53 33.7                WEM064T09
     K17DG5D 1C2019 04 06.50169712 54 26.66 -01 53 28.6                WEM064T09

Observer details:
T09 Subaru Telescope, Maunakea.  Observer .  Measurer S. Deen.  8.3-m Subaru
    Telescope + CCD.

First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
160404 T09 0.80+ 0.37+    190406 T09 1.56+ 0.73+    MPO824973  -25417 days

Orbital elements:
2017 DD165                                                                      
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5                 Alexandersen            
M 255.29723              (2000.0)            P               Q                  
n   0.00452858     Peri.  146.12740     +0.65837831     +0.75194570             
a  36.1821893      Node   164.95741     -0.71596629     +0.63933311             
e   0.0444965      Incl.    7.39432     -0.23222892     +0.16071979             
P 218              H    8.35          G   0.15           U   5                  
Residuals in seconds of arc
160404 T09  0.0   0.0     170221 T09  0.2+  0.1-    170304 T09  0.1-  0.1-
160404 T09  0.0   0.0     170223 T09  0.0   0.1+    170427 T09  0.0   0.0
170221 T09  0.1+  0.1+    170223 T09  0.2+  0.1-    190404 T09  0.1-  0.0
170221 T09  0.0   0.2+    170304 T09  0.1-  0.2+    190406 T09  0.1+  0.0
170221 T09  0.1-  0.2-    170304 T09  0.1-  0.0     190406 T09  0.1+  0.0
170221 T09  0.0   0.3-    170304 T09  0.1+  0.1+

Ephemeris:
2017 DD165               a,e,i = 36.18, 0.04, 7                  q = 34.5722
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2024 05 28    13 22 09.4 -03 47 17  35.9461 36.6497   133.4     1.2    24.1
...
2024 06 12    13 21 28.8 -03 44 23  36.1459 36.6479   118.9     1.4    24.1
...
2024 06 20    13 21 15.2 -03 43 45  36.2662 36.6470   111.3     1.5    24.2
...
2024 06 26    13 21 08.8 -03 43 42  36.3609 36.6462   105.5     1.5    24.2
2024 06 27    13 21 08.1 -03 43 43  36.3770 36.6461   104.6     1.5    24.2
2024 06 28    13 21 07.5 -03 43 45  36.3931 36.6460   103.6     1.5    24.2
...
2024 07 04    13 21 05.8 -03 44 12  36.4913 36.6453    97.9     1.6    24.2
...
2024 07 12    13 21 09.1 -03 45 21  36.6243 36.6443    90.3     1.6    24.2
...
2024 07 27    13 21 32.4 -03 49 12  36.8718 36.6425    76.2     1.5    24.2

M. P. C. Staff               (C) Copyright 2024 MPC           M.P.E.C. 2024-M64