[Iaude] MPEC K39: 2019 ER7 [a=38.38,e=0.06,i=34.0,H=7.0]

mpec at cfa.harvard.edu mpec at cfa.harvard.edu
Tue May 21 14:03:22 EDT 2024


M.P.E.C. 2024-K39                                  Issued 2024 May 21, 18:01 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 ER7                                    


Observations:
     K19E07R 4C2018 03 18.47675 11 44 35.87 +04 00 53.7          22.5 i1EK039T09
     K19E07R 4C2018 03 18.50571 11 44 35.69 +04 00 54.4          22.5 i1EK039T09
     K19E07R 4C2018 03 18.57871 11 44 35.29 +04 00 56.2          22.5 i1EK039T09
     K19E07R 4C2018 04 24.36908 11 41 35.13 +04 13 41.0          22.3 z1EK039T09
     K19E07R 4C2018 04 24.41221 11 41 34.95 +04 13 41.5          22.5 z1EK039T09
     K19E07R 4C2018 04 24.44523 11 41 34.81 +04 13 42.0          22.3 z1EK039T09
     K19E07R 4C2018 04 24.49606 11 41 34.62 +04 13 42.8          22.6 z1EK039T09
     K19E07R*4C2019 03 02.41395 11 49 30.77 +02 33 03.6          22.2 y1EK039T09
     K19E07R 4C2019 03 02.51880 11 49 30.23 +02 33 06.2          22.9 y1EK039T09
     K19E07R 4C2019 03 02.55921 11 49 30.02 +02 33 07.2          22.7 y1EK039T09
     K19E07R 4C2019 03 02.60017 11 49 29.80 +02 33 08.1          22.3 y1EK039T09
     K19E07R 4C2019 03 08.36022 11 48 59.80 +02 35 30.7          22.4 r1EK039T09
     K19E07R 4C2019 03 08.39173 11 48 59.64 +02 35 31.6          22.5 r1EK039T09
     K19E07R 4C2019 03 08.40431 11 48 59.58 +02 35 31.7          22.5 r1EK039T09
     K19E07R 4C2019 03 08.43394 11 48 59.40 +02 35 32.6          22.5 r1EK039T09

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 R. N. Matsuoka, A. Yamauchi,
    J. Yoshidda.  8.2-m f/2.0 reflector + CCD(HSC).

Orbital elements:
2019 ER7                                                                        
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5                 Alexandersen            
M  80.22622              (2000.0)            P               Q                  
n   0.00414563     Peri.   98.30160     -0.11652986     -0.99300675             
a  38.3774199      Node   358.05998     +0.53659055     -0.04690670             
e   0.0618318      Incl.   34.00111     +0.83575796     -0.10833908             
P 238              H    7.01          G   0.15           U   6                  
Residuals in seconds of arc
180318 T09  0.2+  0.0     180424 T09  0.1-  0.0     190302 T09  0.0   0.0
180318 T09  0.1-  0.0     180424 T09  0.2+  0.1+    190308 T09  0.1-  0.0
180318 T09  0.1-  0.0     190302 T09  0.1-  0.0     190308 T09  0.0   0.1+
180424 T09  0.0   0.1+    190302 T09  0.1+  0.0     190308 T09  0.2+  0.1-
180424 T09  0.0   0.1-    190302 T09  0.1+  0.1+    190308 T09  0.2-  0.0

Ephemeris:
2019 ER7                 a,e,i = 38.38, 0.06, 34                 q = 36.0045
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2024 04 21    12 02 17.8 -03 47 04  37.2421 38.1226   150.8     0.7    22.9
...
2024 05 06    12 01 17.0 -03 41 59  37.3925 38.1252   136.0     1.1    22.9
...
2024 05 14    12 00 50.9 -03 39 50  37.4930 38.1265   128.2     1.2    23.0
...
2024 05 20    12 00 34.7 -03 38 32  37.5761 38.1276   122.4     1.3    23.0
2024 05 21    12 00 32.3 -03 38 21  37.5905 38.1277   121.4     1.3    23.0
2024 05 22    12 00 30.0 -03 38 10  37.6051 38.1279   120.4     1.3    23.0
...
2024 05 28    12 00 17.9 -03 37 17  37.6954 38.1289   114.6     1.4    23.0
...
2024 06 05    12 00 06.8 -03 36 36  37.8224 38.1303   106.9     1.5    23.0
...
2024 06 20    12 00 02.2 -03 36 59  38.0731 38.1329    92.6     1.5    23.0

M. P. C. Staff               (C) Copyright 2024 MPC           M.P.E.C. 2024-K39





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