[Iaude] MPEC L108: 2017 DZ164 [a=46.12,e=0.14,i=4.7,H=7.09]

[mpec at cfa.harvard.edu]

M.P.E.C. 2024-L108                                Issued 2024 June 10, 21:16 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 DZ164                                   


Additional Observations:
     K17DG4Z 1C2008 03 04.54635312 02 54.06 +02 46 15.7                WEL108T09
     K17DG4Z 1C2008 03 05.59673712 02 49.83 +02 46 45.3                WEL108T09
     K17DG4Z 1C2016 04 05.45230112 37 15.77 -00 16 05.4                WEL108T09
     K17DG4Z 1C2016 04 05.51120812 37 15.53 -00 16 03.9                WEL108T09
     K17DG4Z 1C2016 04 05.57025612 37 15.28 -00 16 02.3                WEL108T09
     K17DG4Z 1C2017 04 27.38087612 40 18.69 -00 31 27.7                WEL108T09
     K17DG4Z 1C2017 04 27.42612012 40 18.52 -00 31 26.7                WEL108T09
     K17DG4Z 1C2019 04 06.46046112 50 33.49 -01 27 57.0                WEL108T09

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
080304 T09 0.76- 0.32-    190406 T09 0.06- 0.03-    MPO824973  -42199 days

Orbital elements:
2017 DZ164                                                                      
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5                 Alexandersen            
M  87.61419              (2000.0)            P               Q                  
n   0.00314719     Peri.  310.76160     -0.07537171     -0.99594561             
a  46.1162482      Node   143.47267     +0.93793139     -0.08752824             
e   0.1417166      Incl.    4.73248     +0.33853185     +0.02076424             
P 313              H    7.09          G   0.15           U   4                  
Residuals in seconds of arc
080304 T09  0.0   0.1+    170221 T09  0.0   0.1-    170304 T09  0.2-  0.2+
080305 T09  0.0   0.0     170221 T09  0.3+  0.2-    170304 T09  0.3-  0.1+
160405 T09  0.0   0.0     170221 T09  0.2+  0.3-    170304 T09  0.2-  0.0
160405 T09  0.1+  0.1-    170221 T09  0.0   0.0     170427 T09  0.0   0.0
160405 T09  0.0   0.0     170223 T09  0.0   0.1+    170427 T09  0.0   0.0
170221 T09  0.1-  0.2-    170223 T09  0.1-  0.0     190406 T09  0.0   0.0
170221 T09  0.1+  0.0     170223 T09  0.1+  0.0
170221 T09  0.1-  0.1-    170223 T09  0.2+  0.1+

Ephemeris:
2017 DZ164               a,e,i = 46.12, 0.14, 5                  q = 39.5808
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2024 05 11    13 09 55.5 -03 10 25  45.9319 46.7790   146.7     0.7    23.9
...
2024 05 26    13 09 10.6 -03 06 33  46.0991 46.7843   132.1     0.9    23.9
...
2024 06 03    13 08 51.9 -03 05 08  46.2069 46.7871   124.4     1.0    23.9
...
2024 06 09    13 08 40.5 -03 04 23  46.2947 46.7892   118.6     1.1    23.9
2024 06 10    13 08 38.9 -03 04 17  46.3099 46.7896   117.6     1.1    23.9
2024 06 11    13 08 37.3 -03 04 11  46.3252 46.7899   116.7     1.1    23.9
...
2024 06 17    13 08 29.3 -03 03 49  46.4194 46.7921   110.9     1.2    23.9
...
2024 06 25    13 08 22.8 -03 03 46  46.5506 46.7949   103.3     1.2    24.0
...
2024 07 10    13 08 23.7 -03 05 04  46.8062 46.8002    89.0     1.2    24.0

M. P. C. Staff               (C) Copyright 2024 MPC           M.P.E.C. 2024-L108