[Iaude] MPEC J199: 2017 DW159 [a=28.94,e=0.25,i=29.6,H=9.86]

mpec at cfa.harvard.edu mpec at cfa.harvard.edu
Wed May 8 16:16:55 EDT 2024


M.P.E.C. 2024-J199                                  Issued 2024 May 8, 20:13 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 DW159                                   


Additional Observations:
     K17DF9W  S2004 02 18.72807708 37 26.214+00 07 35.85               WEJ199250
     K17DF9W  s2004 02 18.7280771 - 2333.1125 + 5725.5937 - 3174.7587   EJ199250
     K17DF9W 1C2019 02 05.37988110 10 58.69 +03 25 49.4                WEJ199T09
     K17DF9W 1C2019 02 05.42002010 10 58.48 +03 25 50.5                WEJ199T09
     K17DF9W 1C2019 04 05.35473010 06 08.32 +04 03 20.2                WEJ199T09

Observer details:
250 Hubble Space Telescope.  Observer J. Rhoads.  Measurer S. Deen.
T09 Subaru Telescope, Maunakea.  Observer .  Measurer S. Deen.  8.3-m Subaru
    Telescope + CCD.

First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
040218 250  4.1-  6.4-    190405 T09  1.6-  0.6-    MPO810816   -22.4 days

Orbital elements:
2017 DW159                                                                      
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5                 Alexandersen            
M 173.31541              (2000.0)            P               Q                  
n   0.00632984     Peri.  177.04690     +0.95649508     +0.26494385             
a  28.9428103      Node   165.66725     -0.27676810     +0.95645834             
e   0.2502867      Incl.   29.56769     -0.09228537     -0.12244269             
P 156              H    9.86          G   0.15           U   4                  
Residuals in seconds of arc
040218 250  0.0   0.0     170102 T09  0.3-  0.2-    170130 T09  0.1+  0.1-
161128 T09  0.1+  0.0     170121 T09  0.0   0.1-    170130 T09  0.2+  0.1-
161128 T09  0.2-  0.0     170121 T09  0.1-  0.0     170130 T09  0.0   0.1+
161129 T09  0.1+  0.0     170121 T09  0.1-  0.1-    170130 T09  0.0   0.1-
161129 T09  0.2-  0.0     170121 T09  0.0   0.0     170130 T09  0.2+  0.0
161129 T09  0.0   0.1-    170121 T09  0.1-  0.0     170130 T09  0.2-  0.0
161129 T09  0.1+  0.4+    170121 T09  0.3+  0.0     170130 T09  0.3+  0.1+
161129 T09  0.1-  0.1-    170121 T09  0.0   0.1+    170130 T09  0.1+  0.1-
161225 T09  0.1+  0.2+    170121 T09  0.1-  0.0     170130 T09  0.2-  0.1+
161225 T09  0.2+  0.2+    170121 T09  0.1-  0.1-    170130 T09  0.1+  0.0
161225 T09  0.3+  0.0     170121 T09  0.2-  0.1+    170130 T09  0.0   0.1-
161225 T09  0.0   0.0     170123 T09  0.1+  0.1-    170130 T09  0.0   0.0
161225 T09  0.2+  0.1+    170123 T09  0.0   0.3-    170130 T09  0.0   0.3+
161225 T09  0.1+  0.1-    170123 T09  0.1+  0.2+    170130 T09  0.1+  0.1-
161225 T09  0.4-  0.1-    170123 T09  0.1-  0.1-    170221 T09  0.0   0.1-
161225 T09  0.1+  0.2-    170123 T09  0.0   0.2-    170221 T09  0.1-  0.0
161225 T09  0.2-  0.0     170123 T09  0.1-  0.1+    170221 T09  0.0   0.2-
161225 T09  0.3-  0.0     170123 T09  0.3-  0.1+    170223 T09  0.2-  0.1-
170102 T09  0.3+  0.1-    170123 T09  0.1+  0.0     170223 T09  0.1+  0.0
170102 T09  0.1-  0.1+    170123 T09  0.0   0.2+    170223 T09  0.1+  0.2-
170102 T09  0.1-  0.0     170123 T09  0.1+  0.0     170223 T09  0.2+  0.1+
170102 T09  0.1+  0.1-    170123 T09  0.0   0.0     170304 T09  0.4+  0.6+
170102 T09  0.0   0.0     170123 T09  0.1+  0.1-    170304 T09  0.0   0.0
170102 T09  0.0   0.0     170123 T09  0.1-  0.1-    170304 T09  0.0   0.2-
170102 T09  0.0   0.0     170123 T09  0.0   0.1-    170304 T09  0.2-  0.2+
170102 T09  0.3+  0.2-    170123 T09  0.1+  0.2-    170304 T09  0.2-  0.0
170102 T09  0.0   0.0     170123 T09  0.0   0.0     190205 T09  0.0   0.2+
170102 T09  0.1-  0.0     170123 T09  0.3+  0.3-    190205 T09  0.0   0.1-
170102 T09  0.0   0.1-    170123 T09  0.3-  0.2+    190405 T09  0.0   0.0

Ephemeris:
2017 DW159               a,e,i = 28.94, 0.25, 30                 q = 21.6988
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2024 04 08    10 35 10.1 +05 05 04  35.3824 36.1557   140.0     1.0    25.6
...
2024 04 23    10 34 22.1 +05 12 56  35.5679 36.1566   125.2     1.3    25.6
...
2024 05 01    10 34 04.6 +05 16 25  35.6833 36.1571   117.3     1.4    25.6
...
2024 05 07    10 33 55.4 +05 18 40  35.7757 36.1574   111.5     1.5    25.6
2024 05 08    10 33 54.2 +05 19 01  35.7915 36.1575   110.5     1.5    25.6
2024 05 09    10 33 53.1 +05 19 21  35.8074 36.1576   109.5     1.5    25.6
...
2024 05 15    10 33 48.7 +05 21 08  35.9047 36.1579   103.7     1.6    25.6
...
2024 05 23    10 33 48.5 +05 22 59  36.0380 36.1584    96.0     1.6    25.6
...
2024 06 07    10 34 05.6 +05 24 40  36.2913 36.1592    81.7     1.6    25.7

M. P. C. Staff               (C) Copyright 2024 MPC           M.P.E.C. 2024-J199





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