[Iaude] MPEC K77: 2016 YB39 [a=55.99,e=0.36,i=22.3,H=8.76]

mpec at cfa.harvard.edu mpec at cfa.harvard.edu
Thu May 23 13:16:34 EDT 2024


M.P.E.C. 2024-K77                                  Issued 2024 May 23, 17:15 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

                                   2016 YB39                                    


Additional Observations:
     K16Y39B 4C2018 01 17.45108 10 04 06.19 +00 18 27.7          24.7 i1EK077T09
     K16Y39B 4C2018 01 17.51028 10 04 05.94 +00 18 28.4          24.7 i1EK077T09
     K16Y39B 4C2018 01 17.53731 10 04 05.85 +00 18 28.5          24.4 i1EK077T09
     K16Y39B 4C2018 01 17.57223 10 04 05.70 +00 18 28.4          24.3 i1EK077T09
     K16Y39B 1C2018 04 13.35548809 58 12.40 +00 47 10.3                WEK077T09
     K16Y39B 1C2018 04 13.40136009 58 12.28 +00 47 11.1                WEK077T09

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

First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
180117 T09 18.1+  7.0+    180413 T09 16.1+  6.3+    E2024-DC9    -191 days

Orbital elements:
2016 YB39                                                                       
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5                 Alexandersen            
M  36.19116              (2000.0)            P               Q                  
n   0.00235225     Peri.  145.72905     -0.04709320     -0.94912088             
a  55.9947573      Node   304.98582     +0.81005639     +0.14609990             
e   0.3622483      Incl.   22.33664     +0.58445776     -0.27897020             
P 419              H    8.76          G   0.15           U   7                  
Residuals in seconds of arc
161225 T09  0.0   0.1-    170130 T09  0.2-  0.0     170304 T09  0.0   0.2-
161225 T09  0.1+  0.3-    170130 T09  0.3-  0.0     170304 T09  0.1+  0.1+
161225 T09  0.2+  0.0     170221 T09  0.0   0.4+    170304 T09  0.2+  0.1-
161225 T09  0.1+  0.3-    170221 T09  0.1+  0.1+    170304 T09  0.1-  0.1-
170102 T09  0.1+  0.1-    170221 T09  0.1+  0.1+    170427 T09  0.0   0.1-
170102 T09  0.2+  0.1+    170221 T09  0.1+  0.0     170427 T09  0.0   0.0
170102 T09  0.2-  0.1+    170223 T09  0.1-  0.1-    180117 T09  0.0   0.1-
170123 T09  0.1-  0.1+    170223 T09  0.1+  0.0     180117 T09  0.1-  0.2+
170123 T09  0.2-  0.1+    170223 T09  0.0   0.0     180117 T09  0.2+  0.1+
170123 T09  0.1-  0.1+    170223 T09  0.2-  0.1+    180117 T09  0.0   0.2-
170123 T09  0.1+  0.0     170223 T09  0.1-  0.0     180413 T09  0.0   0.1+
170123 T09  0.0   0.0     170304 T09  0.1-  0.2-    180413 T09  0.1-  0.1-
170130 T09  0.2-  0.2+    170304 T09  0.0   0.1+
170130 T09  0.0   0.1+    170304 T09  0.3+  0.1-

Ephemeris:
2016 YB39                a,e,i = 55.99, 0.36, 22                 q = 35.7107
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2024 04 23    10 23 26.4 -04 33 40  43.1355 43.7227   125.2     1.1    25.3
...
2024 05 08    10 23 05.0 -04 28 11  43.3627 43.7355   111.1     1.2    25.3
...
2024 05 16    10 23 01.2 -04 25 49  43.4946 43.7423   103.5     1.3    25.3
...
2024 05 22    10 23 01.9 -04 24 20  43.5964 43.7474    97.9     1.3    25.3
2024 05 23    10 23 02.3 -04 24 07  43.6135 43.7482    97.0     1.3    25.3
2024 05 24    10 23 02.8 -04 23 54  43.6307 43.7491    96.1     1.3    25.3
...
2024 05 30    10 23 07.5 -04 22 49  43.7342 43.7542    90.5     1.3    25.4
...
2024 06 07    10 23 18.5 -04 21 50  43.8722 43.7610    83.0     1.3    25.4
...
2024 06 22    10 23 52.8 -04 21 34  44.1232 43.7737    69.3     1.2    25.4

M. P. C. Staff               (C) Copyright 2024 MPC           M.P.E.C. 2024-K77





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