[Iaude] MPEC J145: 2017 BJ230 [a=42.96,e=0.17,i=29.1,H=9.06]

mpec at cfa.harvard.edu mpec at cfa.harvard.edu
Wed May 8 06:01:02 EDT 2024


M.P.E.C. 2024-J145                                  Issued 2024 May 8, 09:59 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 BJ230                                   


Additional Observations:
     K17BN0J 1C2016 01 15.61021909 59 36.12 +02 05 08.0                WEJ145T09
     K17BN0J 1C2016 01 15.66426109 59 35.88 +02 05 08.5                WEJ145T09
     K17BN0J 1C2016 03 04.42233809 55 41.06 +02 18 30.0                WEJ145T09
     K17BN0J 4C2018 01 17.45108 10 07 06.91 -00 02 32.7          25.1 i1EJ145T09
     K17BN0J 4C2018 01 17.48332 10 07 06.78 -00 02 32.7          24.9 i1EJ145T09
     K17BN0J 4C2018 01 17.50222 10 07 06.71 -00 02 32.5          25.0 i1EJ145T09
     K17BN0J 4C2018 01 17.51028 10 07 06.66 -00 02 32.5          25.2 i1EJ145T09
     K17BN0J 4C2018 01 17.57223 10 07 06.42 -00 02 32.2          25.3 i1EJ145T09

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, R. Edakubo.  8.3-m
    Subaru Telescope + CCD, 8.2-m f/2.0 reflector + CCD(HSC).

First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
160115 T09  0.2-  1.4-    180117 T09  2.0-  1.5-    MPO810794    -126 days

Orbital elements:
2017 BJ230                                                                      
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5                 Alexandersen            
M  71.68325              (2000.0)            P               Q                  
n   0.00350028     Peri.  119.18423     +0.22239000     -0.90801255             
a  42.9603453      Node   313.18093     +0.63591443     +0.41113093             
e   0.1742651      Incl.   29.13683     +0.73902336     -0.08052680             
P 282              H    9.06          G   0.15           U   5                  
Residuals in seconds of arc
160115 T09  0.2+  0.0     170123 T09  0.1-  0.0     170304 T09  0.0   0.1-
160115 T09  0.0   0.2+    170123 T09  0.1+  0.0     170322 T09  0.1+  0.0
160304 T09  0.0   0.1-    170123 T09  0.1-  0.2-    170322 T09  0.1+  0.1-
161225 T09  0.2-  0.1+    170130 T09  0.1-  0.1+    170322 T09  0.2-  0.0
161225 T09  0.4-  0.1+    170130 T09  0.2+  0.1+    170325 T09  0.0   0.2-
161225 T09  0.1+  0.2-    170130 T09  0.1+  0.3+    170325 T09  0.1-  0.1-
170121 T09  0.2+  0.3-    170130 T09  0.0   0.1+    170325 T09  0.1-  0.3+
170121 T09  0.2-  0.2+    170130 T09  0.1+  0.1-    180117 T09  0.1-  0.2+
170121 T09  0.1+  0.1-    170130 T09  0.3-  0.0     180117 T09  0.0   0.0
170121 T09  0.0   0.0     170304 T09  0.0   0.0     180117 T09  0.1+  0.1+
170123 T09  0.1+  0.2-    170304 T09  0.0   0.1+    180117 T09  0.1-  0.0
170123 T09  0.3+  0.0     170304 T09  0.1+  0.1+    180117 T09  0.2+  0.0

Ephemeris:
2017 BJ230               a,e,i = 42.96, 0.17, 29                 q = 35.4739
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2024 04 08    10 23 24.4 -05 46 15  41.1019 41.8651   139.2     0.9    25.4
...
2024 04 23    10 22 42.8 -05 39 28  41.2838 41.8721   125.2     1.1    25.4
...
2024 05 01    10 22 27.8 -05 36 12  41.3973 41.8758   117.7     1.2    25.4
...
2024 05 07    10 22 20.0 -05 33 59  41.4882 41.8786   112.1     1.3    25.4
2024 05 08    10 22 19.1 -05 33 38  41.5038 41.8790   111.2     1.3    25.4
2024 05 09    10 22 18.2 -05 33 17  41.5195 41.8795   110.2     1.3    25.4
...
2024 05 15    10 22 14.6 -05 31 22  41.6155 41.8823   104.6     1.3    25.5
...
2024 05 23    10 22 14.9 -05 29 15  41.7475 41.8860    97.2     1.4    25.5
...
2024 06 07    10 22 30.5 -05 26 43  41.9992 41.8930    83.3     1.4    25.5

M. P. C. Staff               (C) Copyright 2024 MPC           M.P.E.C. 2024-J145





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