[Iaude] MPEC M67: 2017 DB165 [a=43.93,e=0.08,i=4.6,H=7.79]

[mpec at cfa.harvard.edu]

M.P.E.C. 2024-M67                                 Issued 2024 June 27, 02:40 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 DB165                                   


Additional Observations:
     K17DG5B 1C2016 04 04.45708112 36 05.36 +01 13 47.7                WEM067T09
     K17DG5B 1C2016 04 04.52588812 36 05.05 +01 13 49.7                WEM067T09
     K17DG5B 1C2017 04 27.39220812 39 37.82 +00 50 27.7                WEM067T09
     K17DG5B 1C2017 04 27.41736312 39 37.71 +00 50 28.2                WEM067T09
     K17DG5B 1C2019 04 03.47768112 51 37.14 -00 25 17.5                WEM067T09

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 0.21+ 0.10+    190403 T09 0.42+ 0.20+    MPO824973  +15559 days

Orbital elements:
2017 DB165                                                                      
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5                 Alexandersen            
M  60.59443              (2000.0)            P               Q                  
n   0.00338555     Peri.   29.16454     -0.63142362     -0.77140742             
a  43.9254792      Node   100.10499     +0.69499891     -0.60814413             
e   0.0846241      Incl.    4.60035     +0.34391966     -0.18732678             
P 291              H    7.79          G   0.15           U   5                  
Residuals in seconds of arc
160404 T09  0.0   0.0     170221 T09  0.0   0.2+    170304 T09  0.0   0.1+
160404 T09  0.0   0.1+    170223 T09  0.1-  0.0     170304 T09  0.0   0.1+
170221 T09  0.2+  0.0     170223 T09  0.1-  0.2+    170304 T09  0.0   0.0
170221 T09  0.1-  0.2-    170223 T09  0.1+  0.1-    170427 T09  0.1+  0.1+
170221 T09  0.2+  0.1-    170223 T09  0.2-  0.2-    170427 T09  0.0   0.0
170221 T09  0.2+  0.2-    170304 T09  0.0   0.0     190403 T09  0.0   0.0

Ephemeris:
2017 DB165               a,e,i = 43.93, 0.08, 5                  q = 40.2083
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2024 05 28    13 13 13.2 -02 45 54  41.6948 42.3658   130.9     1.0    24.2
...
2024 06 12    13 12 39.7 -02 44 01  41.9059 42.3689   116.5     1.2    24.2
...
2024 06 20    13 12 28.9 -02 43 49  42.0312 42.3706   108.9     1.3    24.2
...
2024 06 26    13 12 24.2 -02 44 02  42.1292 42.3718   103.1     1.3    24.2
2024 06 27    13 12 23.7 -02 44 06  42.1458 42.3720   102.2     1.3    24.2
2024 06 28    13 12 23.3 -02 44 10  42.1624 42.3722   101.2     1.3    24.2
...
2024 07 04    13 12 22.6 -02 44 49  42.2634 42.3735    95.5     1.4    24.2
...
2024 07 12    13 12 26.5 -02 46 11  42.3993 42.3751    88.0     1.4    24.3
...
2024 07 27    13 12 48.5 -02 50 12  42.6505 42.3783    73.8     1.3    24.3

M. P. C. Staff               (C) Copyright 2024 MPC           M.P.E.C. 2024-M67