[Iaude] MPEC J180: 2017 BF226 [a=39.26,e=0.21,i=8.4,H=8.28]

mpec at cfa.harvard.edu mpec at cfa.harvard.edu
Wed May 8 13:29:18 EDT 2024


M.P.E.C. 2024-J180                                  Issued 2024 May 8, 17:27 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 BF226                                   


Additional Observations:
     K17BM6F 4C2019 02 05.36641 10 08 43.14 +02 21 08.7          24.6 i1EJ180T09
     K17BM6F 4C2019 02 05.39592 10 08 43.03 +02 21 09.2          24.8 i1EJ180T09
     K17BM6F 4C2019 02 05.40928 10 08 42.97 +02 21 09.6          24.8 i1EJ180T09
     K17BM6F 4C2019 02 05.43087 10 08 42.88 +02 21 09.9          24.6 i1EJ180T09
     K17BM6F 1C2019 04 04.37059810 04 55.41 +02 44 47.6                WEJ180T09
     K17BM6F 1C2019 04 05.36538010 04 52.58 +02 45 11.6                WEJ180T09

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.

First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
190205 T09 10.8+  4.4+    190405 T09 11.9+  4.6+    MPO810780    -597 days

Orbital elements:
2017 BF226                                                                      
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5                 Alexandersen            
M 226.55655              (2000.0)            P               Q                  
n   0.00400601     Peri.   57.55703     +0.58496932     +0.79959991             
a  39.2640005      Node   248.83897     -0.78442858     +0.51521274             
e   0.2087749      Incl.    8.37525     -0.20611328     +0.30853820             
P 246              H    8.28          G   0.15           U   6                  
Residuals in seconds of arc
161223 T09  0.2-  0.4-    170123 T09  0.2-  0.1+    170223 T09  0.1-  0.0
161223 T09  0.3-  0.4-    170123 T09  0.1-  0.1+    170304 T09  0.1+  0.0
161223 T09  0.5+  0.1-    170123 T09  0.1+  0.2+    170304 T09  0.2-  0.1+
161223 T09  0.0   0.4+    170123 T09  0.1-  0.2+    170304 T09  0.3+  0.1+
170121 T09  0.1+  0.1-    170123 T09  0.0   0.0     170322 T09  0.1-  0.1-
170121 T09  0.1-  0.1+    170123 T09  0.1+  0.1+    170322 T09  0.0   0.1+
170121 T09  0.1-  0.1+    170130 T09  0.0   0.2+    170322 T09  0.0   0.1+
170121 T09  0.1+  0.1+    170130 T09  0.3+  0.1+    170322 T09  0.0   0.1-
170121 T09  0.1+  0.0     170130 T09  0.2-  0.1-    190205 T09  0.2-  0.0
170121 T09  0.1+  0.0     170130 T09  0.1-  0.3-    190205 T09  0.1+  0.1-
170121 T09  0.3-  0.1+    170130 T09  0.1-  0.3-    190205 T09  0.0   0.1+
170121 T09  0.2+  0.2+    170223 T09  0.0   0.1-    190205 T09  0.0   0.1-
170123 T09  0.0   0.1-    170223 T09  0.2-  0.2-    190404 T09  0.0   0.0
170123 T09  0.1+  0.1+    170223 T09  0.3+  0.2+    190405 T09  0.0   0.1+

Ephemeris:
2017 BF226               a,e,i = 39.26, 0.21, 8                  q = 31.0667
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2024 04 08    10 24 25.8 +00 48 40  44.8748 45.6299   138.5     0.8    25.0
...
2024 04 23    10 23 49.2 +00 54 34  45.0558 45.6252   124.0     1.0    25.0
...
2024 05 01    10 23 36.2 +00 57 15  45.1683 45.6228   116.2     1.1    25.0
...
2024 05 07    10 23 29.6 +00 59 01  45.2583 45.6209   110.5     1.2    25.0
2024 05 08    10 23 28.8 +00 59 17  45.2737 45.6206   109.5     1.2    25.0
2024 05 09    10 23 28.1 +00 59 33  45.2892 45.6203   108.5     1.2    25.0
...
2024 05 15    10 23 25.3 +01 00 59  45.3839 45.6184   102.8     1.2    25.0
...
2024 05 23    10 23 26.2 +01 02 29  45.5134 45.6159    95.2     1.3    25.0
...
2024 06 07    10 23 41.7 +01 03 56  45.7591 45.6112    81.0     1.3    25.1

M. P. C. Staff               (C) Copyright 2024 MPC           M.P.E.C. 2024-J180





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