[Iaude] MPEC O22: 2017 DL171 [a=39.09,e=0.27,i=5.2,H=7.9]

Sat Jul 20 03:58:36 EDT 2024

M.P.E.C. 2024-O22                                 Issued 2024 July 20, 07:57 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 DL171                                   


Observations:
     K17DH1L 5C2004 03 20.48744611 49 29.92 +05 42 03.9                WEO022T14
     K17DH1L 5C2004 03 20.52030311 49 29.78 +05 42 04.9                WEO022T14
     K17DH1L 1C2016 04 04.45991812 40 55.69 +00 51 03.0                WEO022T09
     K17DH1L 1C2016 04 04.55790112 40 55.27 +00 51 05.7                WEO022T09
     K17DH1L*4C2017 02 21.49884 12 47 46.36 +00 08 05.3          24.1 z1EO022T09
     K17DH1L 4C2017 02 21.52305 12 47 46.30 +00 08 06.3          24.2 z1EO022T09
     K17DH1L 4C2017 02 21.54460 12 47 46.21 +00 08 06.4          23.9 z1EO022T09
     K17DH1L 4C2017 02 21.59841 12 47 46.05 +00 08 08.0          24.4 z1EO022T09
     K17DH1L 4C2017 02 21.61716 12 47 45.98 +00 08 08.1          24.4 z1EO022T09
     K17DH1L 4C2017 02 23.54421 12 47 39.91 +00 08 56.5          24.5 r1EO022T09
     K17DH1L 4C2017 02 23.58033 12 47 39.80 +00 08 57.3          24.5 r1EO022T09
     K17DH1L 4C2017 02 23.61428 12 47 39.69 +00 08 58.2          24.1 r1EO022T09
     K17DH1L 4C2017 02 23.65456 12 47 39.56 +00 08 59.4          24.3 r1EO022T09
     K17DH1L 4C2017 02 23.65665 12 47 39.56 +00 08 59.7          24.7 r1EO022T09
     K17DH1L 1C2017 04 27.39592212 43 29.38 +00 36 39.9                WEO022T09
     K17DH1L 1C2017 04 27.40845112 43 29.34 +00 36 40.1                WEO022T09
     K17DH1L 1C2019 04 04.52038912 53 10.84 -00 19 39.0                WEO022T09
     K17DH1L 1C2019 04 06.44935912 53 02.66 -00 18 47.1                WEO022T09
     K17DH1L 1C2019 04 06.51510412 53 02.39 -00 18 45.3                WEO022T09

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, A. Yamauchi.  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 DL171                                                                      
Epoch 2024 Oct. 17.0 TT = JDT 2460600.5                 Alexandersen            
M 122.94314              (2000.0)            P               Q                  
n   0.00403236     Peri.  290.38472     +0.58846452     -0.80499704             
a  39.0927485      Node   123.34018     +0.77139503     +0.53104780             
e   0.2709277      Incl.    5.18009     +0.24219664     +0.26451466             
P 244              H    7.98          G   0.15           U   4                  
Residuals in seconds of arc
040320 T14  0.1-  0.0     170221 T09  0.1+  0.1+    170427 T09  0.0   0.1+
040320 T14  0.1+  0.0     170221 T09  0.1-  0.3-    170427 T09  0.1+  0.0
160404 T09  0.1-  0.1-    170223 T09  0.2-  0.0     190404 T09  0.0   0.1+
160404 T09  0.0   0.1-    170223 T09  0.0   0.1-    190406 T09  0.1-  0.0
170221 T09  0.0   0.1-    170223 T09  0.0   0.1-    190406 T09  0.1+  0.0
170221 T09  0.2+  0.3+    170223 T09  0.0   0.1+
170221 T09  0.1-  0.2-    170223 T09  0.1+  0.3+

Ephemeris:
2017 DL171               a,e,i = 39.09, 0.27, 5                  q = 28.5014
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2024 06 20    13 08 46.4 -01 52 08  46.0901 46.4084   107.7     1.2    24.8
...
2024 07 05    13 08 40.3 -01 53 11  46.3439 46.4152    93.4     1.3    24.8
...
2024 07 13    13 08 44.2 -01 54 30  46.4819 46.4189    85.8     1.3    24.8
...
2024 07 19    13 08 50.5 -01 55 49  46.5846 46.4216    80.2     1.2    24.8
2024 07 20    13 08 51.8 -01 56 03  46.6016 46.4220    79.2     1.2    24.8
2024 07 21    13 08 53.1 -01 56 18  46.6185 46.4225    78.3     1.2    24.8
...
2024 07 27    13 09 03.0 -01 57 58  46.7186 46.4252    72.6     1.2    24.8
...
2024 08 04    13 09 20.3 -02 00 35  46.8474 46.4288    65.1     1.1    24.8
...
2024 08 19    13 10 04.6 -02 06 32  47.0664 46.4356    51.0     1.0    24.8

M. P. C. Staff               (C) Copyright 2024 MPC           M.P.E.C. 2024-O22