[Iaude] MPEC J181: 2017 EO50 [a=43.20,e=0.06,i=10.6,H=7.23]

mpec at cfa.harvard.edu mpec at cfa.harvard.edu
Wed May 8 13:29:25 EDT 2024


M.P.E.C. 2024-J181                                  Issued 2024 May 8, 17:28 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 EO50                                    


Additional Observations:
     K17E50O &C2013 04 03.03159009 33 08.77 +06 21 14.0                WEJ181W84
     K17E50O 4C2019 02 05.36641 10 08 32.38 +02 02 01.4          23.5 i1EJ181T09
     K17E50O 4C2019 02 05.40928 10 08 32.16 +02 02 01.9          23.0 i1EJ181T09
     K17E50O 4C2019 02 05.42270 10 08 32.11 +02 02 02.2          22.9 i1EJ181T09
     K17E50O 1C2019 03 03.32502510 06 29.31 +02 12 27.1                WEJ181T09
     K17E50O &C2020 02 14.27616210 13 04.88 +01 25 12.7                WEJ181W84

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 T. Kojima, S. Deen.  8.2-m
    f/2.0 reflector + CCD(HSC), 8.3-m Subaru Telescope + CCD.
W84 Cerro Tololo-DECam.  Observer A. Zenteno.  Measurer S. Deen.  4.0-m
    reflector + CCD.

First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
130403 W84 0.04- 0.02-    200214 W84 0.00- 0.00-    MPO810819   +7290 days

Orbital elements:
2017 EO50                                                                       
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5                 Alexandersen            
M 349.77855              (2000.0)            P               Q                  
n   0.00347168     Peri.  253.55489     -0.97504609     -0.12767197             
a  43.1959035      Node   278.83464     +0.19393138     -0.88802328             
e   0.0621057      Incl.   10.59108     -0.10805435     -0.44171771             
P 284              H    7.23          G   0.15           U   4                  
Residuals in seconds of arc
130403 W84  0.0   0.0     170121 T09  0.0   0.1-    170221 T09  0.1+  0.3+
161223 T09  0.0   0.1+    170121 T09  0.1+  0.0     170221 T09  0.1-  0.0
161223 T09  0.1+  0.1-    170123 T09  0.1-  0.1+    170221 T09  0.0   0.0
161223 T09  0.1-  0.1-    170123 T09  0.1-  0.0     170221 T09  0.1-  0.0
161223 T09  0.0   0.0     170123 T09  0.0   0.0     170221 T09  0.0   0.1-
161225 T09  0.1+  0.2+    170123 T09  0.1-  0.1-    170223 T09  0.1+  0.1-
161225 T09  0.1+  0.2+    170123 T09  0.2+  0.1+    170223 T09  0.1+  0.1-
161225 T09  0.1+  0.0     170123 T09  0.1-  0.1+    170223 T09  0.0   0.0
170102 T09  0.1+  0.1+    170123 T09  0.0   0.0     170223 T09  0.1+  0.1+
170102 T09  0.1+  0.1-    170123 T09  0.2+  0.0     170304 T09  0.2-  0.1-
170102 T09  0.0   0.2-    170123 T09  0.1-  0.0     170304 T09  0.1-  0.2-
170102 T09  0.2-  0.1+    170123 T09  0.2+  0.0     170304 T09  0.1-  0.3-
170102 T09  0.0   0.1+    170123 T09  0.1+  0.1-    170304 T09  0.1+  0.2-
170121 T09  0.1-  0.2+    170123 T09  0.1-  0.1+    190205 T09  0.1+  0.1+
170121 T09  0.1-  0.1+    170130 T09  0.1+  0.1+    190205 T09  0.2-  0.2-
170121 T09  0.1-  0.1+    170130 T09  0.3+  0.1-    190205 T09  0.0   0.2-
170121 T09  0.0   0.0     170130 T09  0.1-  0.0     190303 T09  0.0   0.0
170121 T09  0.1-  0.1-    170130 T09  0.1-  0.1-    200214 W84  0.2+  0.2+
170121 T09  0.1+  0.0     170130 T09  0.1-  0.0

Ephemeris:
2017 EO50                a,e,i = 43.20, 0.06, 11                 q = 40.5132
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2024 04 08    10 30 04.5 -00 50 02  39.7866 40.5613   140.2     0.9    23.4
...
2024 04 23    10 29 23.5 -00 43 29  39.9652 40.5608   125.7     1.2    23.4
...
2024 05 01    10 29 08.8 -00 40 27  40.0771 40.5605   118.0     1.3    23.5
...
2024 05 07    10 29 01.3 -00 38 27  40.1670 40.5603   112.3     1.3    23.5
2024 05 08    10 29 00.4 -00 38 09  40.1824 40.5603   111.3     1.3    23.5
2024 05 09    10 28 59.5 -00 37 51  40.1979 40.5603   110.4     1.3    23.5
...
2024 05 15    10 28 56.3 -00 36 13  40.2929 40.5601   104.6     1.4    23.5
...
2024 05 23    10 28 57.2 -00 34 29  40.4234 40.5598    97.0     1.4    23.5
...
2024 06 07    10 29 14.3 -00 32 46  40.6723 40.5594    82.9     1.4    23.5

M. P. C. Staff               (C) Copyright 2024 MPC           M.P.E.C. 2024-J181





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