[Iaude] MPEC J132: 2017 FU231 [a=44.35,e=0.04,i=27.5,H=8.79]

mpec at cfa.harvard.edu mpec at cfa.harvard.edu
Tue May 7 23:00:25 EDT 2024


M.P.E.C. 2024-J132                                  Issued 2024 May 8, 02:58 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 FU231                                   


Additional Observations:
     K17FN1U 1C2015 01 16.55597510 00 02.62 +03 07 53.4                WEJ132T09
     K17FN1U 1C2015 01 16.59161610 00 02.48 +03 07 53.7                WEJ132T09
     K17FN1U 1C2015 01 17.35469409 59 59.55 +03 08 00.0                WEJ132T09
     K17FN1U 1C2015 01 17.41901109 59 59.30 +03 08 00.5                WEJ132T09
     K17FN1U 4C2018 01 17.46727 10 10 22.06 +00 23 30.4          24.7 i1EJ132T09
     K17FN1U 4C2018 01 17.48332 10 10 22.00 +00 23 30.8          25.2 i1EJ132T09
     K17FN1U 4C2018 01 17.48599 10 10 21.99 +00 23 30.4          24.6 i1EJ132T09
     K17FN1U 4C2018 01 17.51296 10 10 21.89 +00 23 30.8          24.9 i1EJ132T09
     K17FN1U 4C2018 01 17.53998 10 10 21.78 +00 23 30.8          25.0 i1EJ132T09
     K17FN1U 4C2018 01 17.54803 10 10 21.75 +00 23 30.9          24.7 i1EJ132T09
     K17FN1U 4C2018 01 17.59901 10 10 21.56 +00 23 31.3          24.6 i1EJ132T09

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, M. Suzuki, H.
    Fukuyama.  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
150116 T09  4.1-  6.5-    180117 T09  1.5-  0.8-    MPO810843    +492 days

Orbital elements:
2017 FU231                                                                      
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5                 Alexandersen            
M  88.17447              (2000.0)            P               Q                  
n   0.00333737     Peri.  116.54443     +0.26392530     -0.90520066             
a  44.3471917      Node   313.77559     +0.63569751     +0.42297071             
e   0.0436650      Incl.   27.47241     +0.72541858     -0.04132245             
P 295              H    8.79          G   0.15           U   4                  
Residuals in seconds of arc
150116 T09  0.1-  0.0     170322 T09  0.1+  0.1-    170423 T09  0.1-  0.0
150116 T09  0.1-  0.0     170323 T09  0.2+  0.1-    170423 T09  0.1+  0.1+
150117 T09  0.1+  0.0     170323 T09  0.0   0.0     170423 T09  0.1+  0.1+
150117 T09  0.1+  0.0     170323 T09  0.1-  0.1+    170423 T09  0.1-  0.2+
170130 T09  0.1+  0.0     170323 T09  0.0   0.2-    170426 T09  0.0   0.1-
170130 T09  0.1-  0.1-    170323 T09  0.0   0.1+    170426 T09  0.1-  0.2+
170130 T09  0.1-  0.1-    170325 T09  0.1-  0.3+    170426 T09  0.4-  0.1-
170130 T09  0.2-  0.1-    170325 T09  0.0   0.0     170426 T09  0.2+  0.1+
170202 T09  0.1-  0.1+    170325 T09  0.1+  0.2+    170427 T09  0.1-  0.0
170202 T09  0.1-  0.1-    170325 T09  0.3+  0.1-    170427 T09  0.0   0.0
170202 T09  0.0   0.1+    170329 T09  0.0   0.2-    170427 T09  0.2-  0.1-
170304 T09  0.3+  0.1-    170329 T09  0.1+  0.1+    180117 T09  0.0   0.1-
170304 T09  0.1+  0.2-    170329 T09  0.1+  0.1+    180117 T09  0.0   0.2+
170304 T09  0.1-  0.0     170330 T09  0.1-  0.1+    180117 T09  0.0   0.2-
170304 T09  0.0   0.1-    170330 T09  0.1+  0.2+    180117 T09  0.0   0.0
170322 T09  0.3+  0.2-    170330 T09  0.1-  0.0     180117 T09  0.1-  0.1-
170322 T09  0.2+  0.0     170401 T09  0.0   0.3-    180117 T09  0.1-  0.1-
170322 T09  0.1-  0.2+    170401 T09  0.1+  0.0     180117 T09  0.0   0.0
170322 T09  0.1-  0.1-    170401 T09  0.0   0.0

Ephemeris:
2017 FU231               a,e,i = 44.35, 0.04, 27                 q = 42.4108
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2024 04 08    10 25 18.6 -04 36 35  43.6039 44.3709   139.6     0.8    25.4
...
2024 04 23    10 24 38.9 -04 30 22  43.7815 44.3726   125.5     1.1    25.4
...
2024 05 01    10 24 24.5 -04 27 25  43.8927 44.3735   117.9     1.1    25.4
...
2024 05 07    10 24 16.9 -04 25 24  43.9820 44.3742   112.3     1.2    25.4
2024 05 08    10 24 15.9 -04 25 05  43.9973 44.3743   111.3     1.2    25.4
2024 05 09    10 24 15.0 -04 24 47  44.0127 44.3744   110.4     1.2    25.4
...
2024 05 15    10 24 11.4 -04 23 05  44.1072 44.3751   104.7     1.3    25.4
...
2024 05 23    10 24 11.3 -04 21 13  44.2370 44.3760    97.2     1.3    25.4
...
2024 06 07    10 24 25.3 -04 19 05  44.4849 44.3777    83.3     1.3    25.4

M. P. C. Staff               (C) Copyright 2024 MPC           M.P.E.C. 2024-J132





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