[Iaude] MPEC J143: 2017 EN52 [a=39.02,e=0.28,i=16.8,H=7.32]

mpec at cfa.harvard.edu mpec at cfa.harvard.edu
Wed May 8 05:57:50 EDT 2024


M.P.E.C. 2024-J143                                  Issued 2024 May 8, 09:56 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 EN52                                    


Additional Observations:
     K17E52N 1C2017 04 29.30688013 02 39.25 +01 05 49.7                WEJ143T09
     K17E52N 1C2017 04 29.34966213 02 39.08 +01 05 50.2                WEJ143T09
     K17E52N 1C2019 03 29.34454913 11 11.24 -00 19 33.4                WEJ143T09
     K17E52N 1C2019 04 03.50713513 10 49.72 -00 17 29.1                WEJ143T09
     K17E52N 1C2019 04 04.54551413 10 45.35 -00 17 04.5                WEJ143T09
     K17E52N 4C2019 04 06.42440 13 10 37.43 -00 16 20.0          23.5 i1EJ143T09
     K17E52N 4C2019 04 06.44653 13 10 37.34 -00 16 19.3          23.6 i1EJ143T09
     K17E52N 4C2019 04 06.45475 13 10 37.30 -00 16 19.1          23.4 i1EJ143T09
     K17E52N 4C2019 04 06.52314 13 10 37.01 -00 16 17.6          23.6 i1EJ143T09

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 S. Deen, A. Sasaki.  8.3-m
    Subaru Telescope + CCD, 8.2-m f/2.0 reflector + CCD(HSC).

Orbital elements:
2017 EN52                                                                       
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5                 Alexandersen            
M 132.67512              (2000.0)            P               Q                  
n   0.00404438     Peri.    9.86857     +0.66555866     -0.72419320             
a  39.0153032      Node    38.75506     +0.66359983     +0.46353214             
e   0.2847200      Incl.   16.75758     +0.34156541     +0.51057044             
P 244              H    7.32          G   0.15           U   8                  
Residuals in seconds of arc
170306 T09  0.2+  0.1-    170330 T09  0.0   0.0     190404 T09  0.1+  0.2-
170306 T09  0.1-  0.1+    170330 T09  0.0   0.1+    190406 T09  0.1-  0.1-
170306 T09  0.1-  0.0     170429 T09  0.0   0.2+    190406 T09  0.0   0.1+
170329 T09  0.0   0.1+    170429 T09  0.0   0.0     190406 T09  0.1-  0.1+
170329 T09  0.0   0.0     190329 T09  0.1-  0.2+    190406 T09  0.0   0.0
170330 T09  0.0   0.3-    190403 T09  0.2+  0.1-

Ephemeris:
2017 EN52                a,e,i = 39.02, 0.28, 17                 q = 27.9069
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2024 04 08    13 25 55.6 -03 15 29  46.8455 47.8414   174.0     0.1    24.1
...
2024 04 23    13 24 53.1 -03 10 03  46.8682 47.8472   166.7     0.3    24.1
...
2024 05 01    13 24 20.8 -03 07 28  46.9070 47.8503   159.2     0.4    24.2
...
2024 05 07    13 23 57.6 -03 05 42  46.9478 47.8527   153.5     0.5    24.2
2024 05 08    13 23 53.9 -03 05 25  46.9556 47.8531   152.5     0.6    24.2
2024 05 09    13 23 50.1 -03 05 09  46.9636 47.8534   151.5     0.6    24.2
...
2024 05 15    13 23 28.6 -03 03 39  47.0169 47.8558   145.7     0.7    24.2
...
2024 05 23    13 23 02.4 -03 01 59  47.1015 47.8589   138.0     0.8    24.2
...
2024 06 07    13 22 22.4 -03 00 01  47.2959 47.8647   123.6     1.0    24.2

M. P. C. Staff               (C) Copyright 2024 MPC           M.P.E.C. 2024-J143





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