[Iaude] MPEC O25: 2017 DN171 [a=42.38,e=0.09,i=19.5,H=7.7]

mpec at cfa.harvard.edu mpec at cfa.harvard.edu
Sat Jul 20 05:13:32 EDT 2024


M.P.E.C. 2024-O25                                 Issued 2024 July 20, 09:12 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 DN171                                   


Observations:
     K17DH1N 5C2013 04 05.33175512 23 09.54 +03 47 08.6                WEO025T14
     K17DH1N 5C2013 04 05.33426012 23 09.53 +03 47 08.1                WEO025T14
     K17DH1N 5C2013 04 05.33600212 23 09.54 +03 47 08.0                WEO025T14
     K17DH1N 1C2016 04 04.45991812 36 44.90 +00 43 19.0                WEO025T09
     K17DH1N 1C2016 04 04.55577212 36 44.43 +00 43 21.3                WEO025T09
     K17DH1N*4C2017 02 21.48870 12 44 22.22 -00 35 12.7          23.7 z1EO025T09
     K17DH1N 4C2017 02 21.49884 12 44 22.20 -00 35 12.5          23.4 z1EO025T09
     K17DH1N 4C2017 02 21.53656 12 44 22.04 -00 35 11.7          23.9 z1EO025T09
     K17DH1N 4C2017 02 21.56614 12 44 21.94 -00 35 11.1          23.0 z1EO025T09
     K17DH1N 4C2017 02 21.58766 12 44 21.88 -00 35 10.5          23.6 z1EO025T09
     K17DH1N 4C2017 02 21.60643 12 44 21.79 -00 35 10.1          23.1 z1EO025T09
     K17DH1N 4C2017 02 23.54421 12 44 14.73 -00 34 27.5          23.8 r1EO025T09
     K17DH1N 4C2017 02 23.56973 12 44 14.63 -00 34 27.0          23.9 r1EO025T09
     K17DH1N 4C2017 02 23.61219 12 44 14.46 -00 34 26.1          23.2 r1EO025T09
     K17DH1N 4C2017 02 23.64192 12 44 14.36 -00 34 25.6          23.9 r1EO025T09
     K17DH1N 1C2017 04 27.38087612 39 28.78 -00 08 59.1                WEO025T09
     K17DH1N 1C2019 04 03.46956012 50 16.59 -02 19 09.4                WEO025T09

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 R. Wainscoat.
    Measurer S. Deen.  3.58-m Canada-France-Hawaii Telescope + CCD.

Orbital elements:
2017 DN171                                                                      
Epoch 2024 Oct. 17.0 TT = JDT 2460600.5                 Alexandersen            
M  57.64305              (2000.0)            P               Q                  
n   0.00357241     Peri.  112.26924     -0.65810125     -0.74395884             
a  42.3800904      Node    20.30427     +0.50700475     -0.55165150             
e   0.0949200      Incl.   19.50812     +0.55664076     -0.37710194             
P 276              H    7.76          G   0.15           U   5                  
Residuals in seconds of arc
130405 T14  0.1-  0.4+    170221 T09  0.2+  0.1+    170223 T09  0.0   0.0
130405 T14  0.1-  0.1-    170221 T09  0.2-  0.1+    170223 T09  0.1-  0.1-
130405 T14  0.2+  0.3-    170221 T09  0.0   0.0     170223 T09  0.1+  0.2-
160404 T09  0.1-  0.0     170221 T09  0.3+  0.2+    170427 T09  0.0   0.0
160404 T09  0.1-  0.1-    170221 T09  0.1-  0.2+    190403 T09  0.0   0.0
170221 T09  0.1-  0.1+    170223 T09  0.0   0.0

Ephemeris:
2017 DN171               a,e,i = 42.38, 0.09, 20                 q = 38.3574
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2024 06 20    13 07 33.8 -06 53 31  40.1445 40.4928   109.4     1.4    24.0
...
2024 07 05    13 07 27.0 -06 54 12  40.3943 40.4963    95.0     1.4    24.0
...
2024 07 13    13 07 31.7 -06 55 24  40.5309 40.4981    87.4     1.4    24.0
...
2024 07 19    13 07 39.0 -06 56 41  40.6328 40.4995    81.8     1.4    24.0
2024 07 20    13 07 40.5 -06 56 56  40.6497 40.4998    80.8     1.4    24.0
2024 07 21    13 07 42.1 -06 57 11  40.6666 40.5000    79.9     1.4    24.0
...
2024 07 27    13 07 53.6 -06 58 54  40.7664 40.5014    74.2     1.4    24.0
...
2024 08 04    13 08 13.7 -07 01 39  40.8951 40.5032    66.6     1.3    24.0
...
2024 08 19    13 09 04.9 -07 08 11  41.1153 40.5067    52.5     1.1    24.0

M. P. C. Staff               (C) Copyright 2024 MPC           M.P.E.C. 2024-O25





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