[Iaude] MPEC K21: 2019 EN7 [a=42.62,e=0.04,i=3.4,H=7.4]

mpec at cfa.harvard.edu mpec at cfa.harvard.edu
Fri May 17 15:50:53 EDT 2024


M.P.E.C. 2024-K21                                  Issued 2024 May 17, 19:49 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

                                    2019 EN7                                    


Observations:
     K19E07N 4C2018 03 18.47675 11 42 07.21 +04 21 25.7          23.6 i1EK021T09
     K19E07N 4C2018 03 18.57604 11 42 06.75 +04 21 28.5          23.6 i1EK021T09
     K19E07N 4C2018 03 18.60275 11 42 06.64 +04 21 29.0          23.2 i1EK021T09
     K19E07N 4C2018 04 24.36908 11 39 38.21 +04 36 18.7          23.4 z1EK021T09
     K19E07N 4C2018 04 24.41221 11 39 38.07 +04 36 19.5          23.5 z1EK021T09
     K19E07N 4C2018 04 24.45594 11 39 37.92 +04 36 20.3          24.0 z1EK021T09
     K19E07N 4C2018 04 24.49606 11 39 37.80 +04 36 21.3          23.2 z1EK021T09
     K19E07N 4C2019 03 02.43089 11 48 07.63 +03 38 41.3          23.0 y1EK021T09
     K19E07N 4C2019 03 02.44784 11 48 07.55 +03 38 41.8          23.3 y1EK021T09
     K19E07N 4C2019 03 02.53236 11 48 07.18 +03 38 44.3          23.2 y1EK021T09
     K19E07N*4C2019 03 08.34835 11 47 41.89 +03 41 28.7          23.7 r1EK021T09
     K19E07N 4C2019 03 08.37068 11 47 41.80 +03 41 29.4          23.7 r1EK021T09
     K19E07N 4C2019 03 08.40431 11 47 41.66 +03 41 30.4          23.5 r1EK021T09

Observer details:
T09 Subaru Telescope, Maunakea.  Observers H. Aihara, Y. AlSayyad, M. Ando, R.
    Armstrong, J. Bosch, E. Egami, H. Furusawa, J. Furusawa, S. Harasawa, Y.
    Harikane, B.-C. Hsieh, H. Ikeda, K. Ito, I. Iwata, T. Kodama, M. Koike, M.
    Kokubo, Y. Komiyama, X. Li, Y. Liang, Y.-T. Lin, R. H. Lupton, N. B. Lust,
    L. A. MacArthur, K. Mawatari, S. Mineo, H. Miyatake, S. Miyazaki, S. More,
    T. Morishima, H. Murayama, K. Nakajima, F. Nakata, A. J. Nishizawa, M.
    Oguri, N. Okabe, Y. Okura, Y. Ono, K. Osato, M. Ouchi, Y.-C. Pan, A. A.
    Plazas Malagon, P. A. Price, S. L. Reed, E. S. Rykoff, T. Shibuya, M.
    Simunovic, M. A. Strauss, K. Sugimori, Y. Suto, N. Suzuki, M. Takada, Y.
    Takagi, T. Takata, S. Takita, M. Tanaka, S. Tang, D. S. Taranu, T. Terai,
    Y. Toba, E. L. Turner, H. Uchiyama, B. Vijarnwannaluk, C. Z. Waters, Y.
    Yamada, N. Yamamoto, T. Yamashita.  Measurers H. Fukuyama, Y. Okazaki, A.
    Yamauchi.  8.2-m f/2.0 reflector + CCD(HSC).

Orbital elements:
2019 EN7                                                                        
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5                 Alexandersen            
M 282.75867              (2000.0)            P               Q                  
n   0.00354270     Peri.  229.05475     -0.11123076     +0.99323976             
a  42.6166965      Node    34.60129     -0.89331966     -0.08528979             
e   0.0384304      Incl.    3.35210     -0.43543967     -0.07874285             
P 278              H    7.47          G   0.15           U   6                  
Residuals in seconds of arc
180318 T09  0.0   0.0     180424 T09  0.1-  0.0     190308 T09  0.2-  0.1-
180318 T09  0.1-  0.0     180424 T09  0.1+  0.3+    190308 T09  0.0   0.0
180318 T09  0.1+  0.2-    190302 T09  0.1+  0.0     190308 T09  0.1+  0.0
180424 T09  0.0   0.1-    190302 T09  0.0   0.0
180424 T09  0.0   0.0     190302 T09  0.0   0.1+

Ephemeris:
2019 EN7                 a,e,i = 42.62, 0.04, 3                  q = 40.9789
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2024 04 17    12 08 46.8 +01 03 06  41.4065 42.3139   154.4     0.6    23.8
...
2024 05 02    12 07 52.1 +01 08 27  41.5403 42.3124   139.6     0.9    23.8
...
2024 05 10    12 07 28.0 +01 10 42  41.6329 42.3116   131.7     1.0    23.9
...
2024 05 16    12 07 12.7 +01 12 04  41.7107 42.3110   125.9     1.1    23.9
2024 05 17    12 07 10.4 +01 12 16  41.7243 42.3109   124.9     1.1    23.9
2024 05 18    12 07 08.2 +01 12 27  41.7381 42.3108   123.9     1.1    23.9
...
2024 05 24    12 06 56.4 +01 13 25  41.8238 42.3102   118.1     1.2    23.9
...
2024 06 01    12 06 44.9 +01 14 13  41.9456 42.3094   110.4     1.3    23.9
...
2024 06 16    12 06 37.7 +01 14 09  42.1895 42.3079    96.0     1.4    23.9

M. P. C. Staff               (C) Copyright 2024 MPC           M.P.E.C. 2024-K21





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