[Iaude] MPEC O20: 2017 DK171 [a=43.03,e=0.02,i=4.3,H=7.6]

mpec at cfa.harvard.edu mpec at cfa.harvard.edu
Sat Jul 20 03:53:10 EDT 2024


M.P.E.C. 2024-O20                                 Issued 2024 July 20, 07:51 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 DK171                                   


Observations:
     K17DH1K 5C2004 03 20.48744611 48 19.56 +05 58 08.7                WEO020T14
     K17DH1K 5C2004 03 20.50315011 48 19.47 +05 58 09.3                WEO020T14
     K17DH1K 1C2016 04 04.44537912 43 20.15 +00 07 41.1                WEO020T09
     K17DH1K 1C2016 04 04.56002612 43 19.65 +00 07 44.2                WEO020T09
     K17DH1K 4C2017 02 21.50220 12 50 45.20 -00 41 21.2          23.5 z1EO020T09
     K17DH1K 4C2017 02 21.51771 12 50 45.15 -00 41 20.7          23.0 z1EO020T09
     K17DH1K 4C2017 02 21.53924 12 50 45.09 -00 41 20.2          23.5 z1EO020T09
     K17DH1K 4C2017 02 21.60910 12 50 44.87 -00 41 18.4          23.9 z1EO020T09
     K17DH1K 4C2017 02 21.61177 12 50 44.86 -00 41 18.4          24.1 z1EO020T09
     K17DH1K*4C2017 02 23.54701 12 50 38.80 -00 40 31.9          24.1 r1EO020T09
     K17DH1K 4C2017 02 23.57183 12 50 38.70 -00 40 31.5          24.3 r1EO020T09
     K17DH1K 4C2017 02 23.61428 12 50 38.59 -00 40 30.2          24.3 r1EO020T09
     K17DH1K 4C2017 02 23.64401 12 50 38.48 -00 40 29.5          23.9 r1EO020T09
     K17DH1K 4C2017 02 23.64611 12 50 38.49 -00 40 29.3          24.0 r1EO020T09
     K17DH1K 1C2017 04 27.38463412 46 25.43 -00 13 03.1                WEO020T09
     K17DH1K 1C2017 04 27.42901712 46 25.25 -00 13 02.1                WEO020T09
     K17DH1K 1C2019 04 06.35009912 57 13.73 -01 21 56.5                WEO020T09
     K17DH1K 1C2019 04 06.51510412 57 13.01 -01 21 52.0                WEO020T09

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, H. Naito.  8.3-m
    Subaru Telescope + CCD, 8.2-m f/2.0 reflector + CCD(HSC).
T14 Canada-France-Hawaii Telescope, Maunakea.  Observer L. Allen.  Measurer S.
    Deen.  3.58-m Canada-France-Hawaii Telescope + CCD.

Orbital elements:
2017 DK171                                                                      
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5                 Alexandersen            
M 167.35221              (2000.0)            P               Q                  
n   0.00349187     Peri.  295.16981     +0.84473666     -0.52994751             
a  43.0292957      Node    96.91294     +0.51411028     +0.76477408             
e   0.0181287      Incl.    4.31368     +0.14869632     +0.36643723             
P 282              H    7.65          G   0.15           U   4                  
Residuals in seconds of arc
040320 T14  0.1+  0.1-    170221 T09  0.1+  0.1+    170223 T09  0.1-  0.1+
040320 T14  0.1-  0.1+    170221 T09  0.1+  0.2+    170223 T09  0.2+  0.2+
160404 T09  0.1-  0.1-    170221 T09  0.1+  0.2+    170427 T09  0.0   0.1-
160404 T09  0.0   0.1-    170223 T09  0.0   0.0     170427 T09  0.1-  0.1-
170221 T09  0.0   0.1-    170223 T09  0.3-  0.2-    190406 T09  0.1-  0.1-
170221 T09  0.0   0.1+    170223 T09  0.1+  0.1+    190406 T09  0.0   0.1-

Ephemeris:
2017 DK171               a,e,i = 43.03, 0.02, 4                  q = 42.2492
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2024 06 20    13 16 19.4 -03 29 51  43.4332 43.7919   110.0     1.2    24.2
...
2024 07 05    13 16 11.7 -03 30 40  43.6784 43.7921    95.8     1.3    24.2
...
2024 07 13    13 16 15.2 -03 31 53  43.8129 43.7922    88.2     1.3    24.2
...
2024 07 19    13 16 21.3 -03 33 09  43.9134 43.7922    82.5     1.3    24.3
2024 07 20    13 16 22.6 -03 33 24  43.9301 43.7922    81.5     1.3    24.3
2024 07 21    13 16 24.0 -03 33 38  43.9467 43.7923    80.6     1.3    24.3
...
2024 07 27    13 16 34.0 -03 35 17  44.0452 43.7923    74.9     1.3    24.3
...
2024 08 04    13 16 51.8 -03 37 54  44.1724 43.7924    67.4     1.2    24.3
...
2024 08 19    13 17 38.0 -03 43 58  44.3904 43.7926    53.3     1.1    24.3

M. P. C. Staff               (C) Copyright 2024 MPC           M.P.E.C. 2024-O20





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