[Iaude] MPEC O31: 2017 DQ171 [a=45.35,e=0.17,i=7.6,H=9.9]

mpec at cfa.harvard.edu mpec at cfa.harvard.edu
Sat Jul 20 05:42:31 EDT 2024


M.P.E.C. 2024-O31                                 Issued 2024 July 20, 09:41 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 DQ171                                   


Observations:
     K17DH1Q 1C2016 04 05.44429512 26 27.59 +01 19 34.8                WEO031T09
     K17DH1Q 1C2016 04 05.56232112 26 27.03 +01 19 38.4                WEO031T09
     K17DH1Q 1C2016 06 05.32004912 23 07.54 +01 39 02.9                WEO031T09
     K17DH1Q 1C2016 06 05.33273612 23 07.54 +01 39 03.1                WEO031T09
     K17DH1Q 1C2017 01 30.62075312 37 13.43 +00 17 27.3                WEO031T09
     K17DH1Q 4C2017 01 30.62076 12 37 13.41 +00 17 27.4          24.5 z1EO031T09
     K17DH1Q 4C2017 01 30.62613 12 37 13.40 +00 17 27.4          25.5 z1EO031T09
     K17DH1Q 1C2017 01 30.65098312 37 13.37 +00 17 27.9                WEO031T09
     K17DH1Q 4C2017 01 30.65099 12 37 13.36 +00 17 28.1          24.9 z1EO031T09
     K17DH1Q 1C2017 02 02.61284512 37 07.36 +00 18 30.5                WEO031T09
     K17DH1Q 1C2017 02 02.65845612 37 07.25 +00 18 31.4                WEO031T09
     K17DH1Q*4C2017 02 23.53862 12 36 04.77 +00 27 40.8          25.6 r1EO031T09
     K17DH1Q 4C2017 02 23.57615 12 36 04.62 +00 27 41.8          25.7 r1EO031T09
     K17DH1Q 4C2017 02 23.62075 12 36 04.47 +00 27 43.2          25.4 r1EO031T09
     K17DH1Q 1C2019 04 03.42650712 46 13.67 -00 10 17.6                WEO031T09
     K17DH1Q 1C2019 04 03.45075612 46 13.54 -00 10 16.9                WEO031T09

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. Fukuyama, H. A.
    Guler.  8.3-m Subaru Telescope + CCD, 8.2-m f/2.0 reflector + CCD(HSC).

Orbital elements:
2017 DQ171                                                                      
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5                 Alexandersen            
M  19.31683              (2000.0)            P               Q                  
n   0.00322743     Peri.   15.73127     -0.98947955     -0.13465387             
a  45.3486646      Node   156.33520     +0.11440812     -0.95210705             
e   0.1656886      Incl.    7.57345     +0.08854946     -0.27451865             
P 305              H    9.91          G   0.15           U   5                  
Residuals in seconds of arc
160405 T09  0.1-  0.1+    170130 T09  0.2-  0.1-    170223 T09  0.1-  0.0
160405 T09  0.1+  0.0     170130 T09  0.1+  0.1-    170223 T09  0.2+  0.0
160605 T09  0.1-  0.0     170202 T09  0.2+  0.1+    190403 T09  0.1+  0.0
160605 T09  0.1+  0.1+    170202 T09  0.1+  0.0     190403 T09  0.1-  0.0
170130 T09  0.1+  0.1-    170223 T09  0.0   0.1+

Ephemeris:
2017 DQ171               a,e,i = 45.35, 0.17, 8                  q = 37.8349
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2024 06 20    13 13 40.6 -02 09 45  38.1086 38.4497   108.9     1.4    25.9
...
2024 07 05    13 13 35.4 -02 10 58  38.3570 38.4527    94.6     1.5    26.0
...
2024 07 13    13 13 41.3 -02 12 32  38.4927 38.4543    87.1     1.5    26.0
...
2024 07 19    13 13 49.7 -02 14 06  38.5939 38.4555    81.4     1.5    26.0
2024 07 20    13 13 51.4 -02 14 23  38.6107 38.4557    80.5     1.5    26.0
2024 07 21    13 13 53.2 -02 14 41  38.6274 38.4559    79.5     1.5    26.0
...
2024 07 27    13 14 06.0 -02 16 40  38.7264 38.4571    73.9     1.5    26.0
...
2024 08 04    13 14 28.0 -02 19 47  38.8539 38.4587    66.4     1.4    26.0
...
2024 08 19    13 15 23.7 -02 26 54  39.0719 38.4617    52.3     1.2    26.0

M. P. C. Staff               (C) Copyright 2024 MPC           M.P.E.C. 2024-O31





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