[Iaude] MPEC J125: 2017 EJ52 [a=50.16,e=0.20,i=53.3,H=8.25]

[mpec at cfa.harvard.edu]

M.P.E.C. 2024-J125                                  Issued 2024 May 8, 02:24 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 EJ52                                    


Additional Observations:
     K17E52J 1C2017 02 02.37329109 53 56.82 -01 27 27.2          23.5 rWEJ125T09
     K17E52J 1C2017 02 02.41947109 53 56.60 -01 27 25.8          23.5 rWEJ125T09
     K17E52J 1C2017 03 22.23816409 50 19.61 -00 55 14.7                WEJ125T09
     K17E52J 1C2017 03 22.24595209 50 19.58 -00 55 14.5                WEJ125T09
     K17E52J 1C2017 03 22.25223309 50 19.55 -00 55 14.2                WEJ125T09
     K17E52J 1C2018 01 17.49952410 00 25.85 -00 45 45.3          23.6 iWEJ125T09
     K17E52J 1C2018 01 17.60972210 00 25.40 -00 45 42.6          23.8 iWEJ125T09
     K17E52J 1C2019 05 09.25258509 59 13.60 +01 13 43.5          23.7 iWEJ125T09
     K17E52J 1C2019 05 09.28072109 59 13.61 +01 13 44.4                WEJ125T09
     K17E52J 1C2019 05 09.33177209 59 13.59 +01 13 45.8                WEJ125T09
     K17E52J 1C2019 05 09.35338209 59 13.58 +01 13 46.5                WEJ125T09
     K17E52J 1C2019 05 09.37502309 59 13.58 +01 13 47.1          23.8 iWEJ125T09

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

Orbital elements:
2017 EJ52                                                                       
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5                 Alexandersen            
M 357.51933              (2000.0)            P               Q                  
n   0.00277407     Peri.  358.37752     -0.93766191     -0.22429776             
a  50.1638602      Node   160.67155     +0.32722199     -0.82715148             
e   0.1972605      Incl.   53.33125     +0.11711492     +0.51527755             
P 355              H    8.25          G   0.15           U   6                  
Residuals in seconds of arc
170126 T09  0.2-  0.0     170306 T09  0.3-  0.1+    180117 T09  0.1+  0.0
170126 T09  0.2-  0.3+    170306 T09  0.1-  0.1+    190509 T09  0.1-  0.0
170126 T09  0.3-  0.0     170306 T09  0.0   0.1-    190509 T09  0.1+  0.1+
170126 T09  0.0   0.3-    170306 T09  0.1-  0.1-    190509 T09  0.0   0.0
170202 T09  0.2+  0.0     170322 T09  0.2+  0.0     190509 T09  0.1-  0.0
170202 T09  0.2+  0.1-    170322 T09  0.2+  0.1-    190509 T09  0.1-  0.0
170306 T09  0.1+  0.2+    170322 T09  0.1+  0.1-
170306 T09  0.1-  0.3+    180117 T09  0.1+  0.0

Ephemeris:
2017 EJ52                a,e,i = 50.16, 0.20, 53                 q = 40.2685
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2024 04 08    10 26 33.1 +05 02 54  39.5329 40.2826   138.0     1.0    24.4
...
2024 04 23    10 25 52.8 +05 11 31  39.7229 40.2822   123.2     1.2    24.4
...
2024 05 01    10 25 38.7 +05 15 28  39.8400 40.2819   115.4     1.3    24.5
...
2024 05 07    10 25 31.8 +05 18 07  39.9332 40.2817   109.5     1.4    24.5
2024 05 08    10 25 30.9 +05 18 31  39.9491 40.2817   108.6     1.4    24.5
2024 05 09    10 25 30.2 +05 18 56  39.9652 40.2817   107.6     1.4    24.5
...
2024 05 15    10 25 27.6 +05 21 10  40.0629 40.2815   101.8     1.4    24.5
...
2024 05 23    10 25 29.2 +05 23 39  40.1963 40.2813    94.1     1.4    24.5
...
2024 06 07    10 25 48.0 +05 26 44  40.4481 40.2808    79.8     1.4    24.5

M. P. C. Staff               (C) Copyright 2024 MPC           M.P.E.C. 2024-J125