[Iaude] MPEC M61: 2017 DG165 [a=43.05,e=0.01,i=3.5,H=7.68]

[mpec at cfa.harvard.edu]

M.P.E.C. 2024-M61                                 Issued 2024 June 27, 02:23 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 DG165                                   


Additional Observations:
     K17DG5G 1C2015 03 30.35638112 31 31.26 -00 19 00.9                WEM061T09
     K17DG5G 1C2015 03 30.36948812 31 31.20 -00 19 00.5                WEM061T09
     K17DG5G 1C2015 03 30.39523312 31 31.09 -00 18 59.8                WEM061T09
     K17DG5G 1C2016 04 04.44253412 35 54.57 -00 44 00.4                WEM061T09
     K17DG5G 1C2016 04 04.50459112 35 54.30 -00 43 58.5                WEM061T09
     K17DG5G 1C2017 03 04.58242212 42 52.89 -01 26 14.4                WEM061T09
     K17DG5G 1C2017 03 04.62029512 42 52.75 -01 26 13.4                WEM061T09
     K17DG5G 1C2017 03 30.38603812 41 06.33 -01 14 12.0                WEM061T09
     K17DG5G 1C2017 03 30.39474012 41 06.30 -01 14 11.8                WEM061T09
     K17DG5G 1C2019 04 03.46956012 50 28.13 -02 07 46.2                WEM061T09

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
150330 T09 0.15- 0.06-    190403 T09 0.15- 0.07-    MPO824974   +6341 days

Orbital elements:
2017 DG165                                                                      
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5                 Alexandersen            
M 161.75294              (2000.0)            P               Q                  
n   0.00348945     Peri.  260.57271     +0.80089744     -0.59726257             
a  43.0491922      Node   136.08584     +0.57080290     +0.73983421             
e   0.0097721      Incl.    3.54647     +0.18096228     +0.30971400             
P 282              H    7.68          G   0.15           U   5                  
Residuals in seconds of arc
150330 T09  0.0   0.1-    170221 T09  0.0   0.0     170304 T09  0.1+  0.0
150330 T09  0.0   0.0     170221 T09  0.1+  0.0     170330 T09  0.0   0.0
150330 T09  0.0   0.0     170223 T09  0.0   0.1+    170330 T09  0.1+  0.0
160404 T09  0.1-  0.1-    170223 T09  0.1-  0.0     190403 T09  0.1-  0.1-
160404 T09  0.1-  0.1+    170223 T09  0.0   0.1-
170221 T09  0.0   0.1+    170304 T09  0.0   0.0

Ephemeris:
2017 DG165               a,e,i = 43.05, 0.01, 4                  q = 42.6285
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2024 05 28    13 10 56.1 -04 03 32  42.7781 43.4496   131.0     1.0    24.2
...
2024 06 12    13 10 23.9 -04 01 09  42.9868 43.4497   116.5     1.2    24.2
...
2024 06 20    13 10 13.6 -04 00 39  43.1107 43.4498   108.9     1.3    24.2
...
2024 06 26    13 10 09.2 -04 00 38  43.2077 43.4498   103.1     1.3    24.2
2024 06 27    13 10 08.8 -04 00 39  43.2241 43.4498   102.2     1.3    24.2
2024 06 28    13 10 08.4 -04 00 41  43.2406 43.4498   101.2     1.3    24.2
...
2024 07 04    13 10 08.0 -04 01 05  43.3405 43.4499    95.5     1.3    24.2
...
2024 07 12    13 10 12.1 -04 02 05  43.4751 43.4500    87.9     1.3    24.2
...
2024 07 27    13 10 34.2 -04 05 25  43.7237 43.4501    73.7     1.3    24.3

M. P. C. Staff               (C) Copyright 2024 MPC           M.P.E.C. 2024-M61