[Iaude] MPEC O27: 2019 ET8 [a=43.46,e=0.03,i=3.4,H=6.6]

Sat Jul 20 05:18:55 EDT 2024

M.P.E.C. 2024-O27                                 Issued 2024 July 20, 09:17 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 ET8                                    


Observations:
     K19E08T &C2013 04 01.18263711 25 36.46 +07 26 25.0                WEO027W84
     K19E08T 1C2018 03 18.55198011 49 13.27 +04 55 52.9                WEO027T09
     K19E08T 1C2018 03 18.59205111 49 13.10 +04 55 53.9                WEO027T09
     K19E08T &C2018 03 19.21766911 49 10.43 +04 56 11.3          23.0 rWEO027W84
     K19E08T 1C2018 04 24.41487711 46 48.78 +05 10 24.7                WEO027T09
     K19E08T 1C2018 04 24.46126811 46 48.62 +05 10 25.6                WEO027T09
     K19E08T 1C2019 02 04.57742111 56 24.40 +04 07 50.5                WEO027T09
     K19E08T 1C2019 02 04.60151111 56 24.33 +04 07 51.1                WEO027T09
     K19E08T &C2019 02 06.29562211 56 19.38 +04 08 29.5          22.5 zWEO027W84
     K19E08T 4C2019 03 02.45121 11 54 52.94 +04 18 52.6          22.6 y1EO027T09
     K19E08T 4C2019 03 02.54851 11 54 52.54 +04 18 55.2          22.6 y1EO027T09
     K19E08T 4C2019 03 02.57800 11 54 52.42 +04 18 56.1          22.8 y1EO027T09
     K19E08T 4C2019 03 02.58871 11 54 52.38 +04 18 56.3          22.9 y1EO027T09
     K19E08T*4C2019 03 08.37278 11 54 28.53 +04 21 38.6          23.2 r1EO027T09
     K19E08T 4C2019 03 08.38324 11 54 28.50 +04 21 38.8          23.0 r1EO027T09
     K19E08T 4C2019 03 08.41689 11 54 28.35 +04 21 39.8          23.2 r1EO027T09

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. Yamauchi.  8.3-m
    Subaru Telescope + CCD, 8.2-m f/2.0 reflector + CCD(HSC).
W84 Cerro Tololo-DECam.  Observers S. Gontcho A Gontcho, A. Prakash.  Measurer
    S. Deen.  4.0-m reflector + CCD.

Orbital elements:
2019 ET8                                                                        
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5                 Alexandersen            
M 226.57026              (2000.0)            P               Q                  
n   0.00343975     Peri.  233.51347     +0.75127896     +0.65736772             
a  43.4628626      Node    85.30879     -0.58512148     +0.70457436             
e   0.0313652      Incl.    3.37746     -0.30530768     +0.26728758             
P 287              H    6.65          G   0.15           U   5                  
Residuals in seconds of arc
130401 W84  0.0   0.0     190204 T09  0.0   0.1-    190302 T09  0.1+  0.1-
180318 T09  0.1-  0.1+    190204 T09  0.1+  0.0     190308 T09  0.2-  0.1+
180318 T09  0.0   0.0     190206 W84  0.0   0.0     190308 T09  0.0   0.0
180319 W84  0.0   0.1-    190302 T09  0.0   0.0     190308 T09  0.0   0.1+
180424 T09  0.1+  0.0     190302 T09  0.0   0.1-
180424 T09  0.0   0.1+    190302 T09  0.0   0.0

Ephemeris:
2019 ET8                 a,e,i = 43.46, 0.03, 3                  q = 42.0996
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2024 06 20    12 12 00.6 +02 21 03  44.3529 44.4173    93.0     1.3    23.3
...
2024 07 05    12 12 14.6 +02 18 16  44.6032 44.4164    78.8     1.3    23.3
...
2024 07 13    12 12 29.4 +02 16 01  44.7327 44.4160    71.2     1.2    23.3
...
2024 07 19    12 12 43.7 +02 14 01  44.8261 44.4156    65.6     1.2    23.3
2024 07 20    12 12 46.3 +02 13 39  44.8413 44.4156    64.6     1.2    23.3
2024 07 21    12 12 49.0 +02 13 17  44.8563 44.4155    63.7     1.2    23.3
...
2024 07 27    12 13 06.7 +02 10 56  44.9439 44.4152    58.1     1.1    23.3
...
2024 08 04    12 13 34.1 +02 07 26  45.0523 44.4147    50.6     1.0    23.3
...
2024 08 19    12 14 35.6 +01 59 55  45.2233 44.4139    36.5     0.8    23.3

M. P. C. Staff               (C) Copyright 2024 MPC           M.P.E.C. 2024-O27