[Iaude] MPEC J197: 2017 DU159 [a=43.98,e=0.11,i=9.1,H=9.32]

mpec at cfa.harvard.edu mpec at cfa.harvard.edu
Wed May 8 15:36:24 EDT 2024


M.P.E.C. 2024-J197                                  Issued 2024 May 8, 19:34 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 DU159                                   


Additional Observations:
     K17DF9U 1C2018 01 17.51828810 06 54.75 +01 40 43.0                WEJ197T09
     K17DF9U 1C2018 01 17.54534510 06 54.64 +01 40 43.4                WEJ197T09
     K17DF9U 1C2019 02 05.42269310 11 15.67 +01 12 32.3                WEJ197T09
     K17DF9U 1C2019 05 09.25610010 05 59.92 +01 52 29.2                WEJ197T09
     K17DF9U 1C2019 05 09.37850710 05 59.88 +01 52 31.1                WEJ197T09

Observer details:
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
180117 T09  0.3-  0.0-    190509 T09  1.0-  0.0-    MPO810816    -378 days

Orbital elements:
2017 DU159                                                                      
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5                 Alexandersen            
M  32.81982              (2000.0)            P               Q                  
n   0.00337950     Peri.  234.35918     -0.50933167     -0.84807631             
a  43.9779183      Node   246.89416     +0.83197490     -0.44185520             
e   0.1070079      Incl.    9.14026     +0.21999775     -0.29245608             
P 292              H    9.32          G   0.15           U   6                  
Residuals in seconds of arc
161125 T09  0.3-  0.0     170121 T09  0.2+  0.1-    170221 T09  0.3+  0.3+
161125 T09  0.4+  0.2+    170121 T09  0.0   0.0     170221 T09  0.2-  0.4+
161125 T09  0.1-  0.2+    170121 T09  0.2-  0.1-    170223 T09  0.2+  0.1-
161125 T09  0.2-  0.2-    170121 T09  0.2+  0.0     170223 T09  0.2+  0.1-
161125 T09  0.0   0.3+    170121 T09  0.1-  0.1+    170223 T09  0.2-  0.1-
161125 T09  0.0   0.0     170123 T09  0.1-  0.1-    170223 T09  0.1-  0.0
161128 T09  0.0   0.0     170123 T09  0.2-  0.0     170223 T09  0.0   0.1-
161128 T09  0.0   0.1+    170123 T09  0.5-  0.2+    170223 T09  0.0   0.0
161128 T09  0.0   0.1-    170123 T09  0.2-  0.0     170223 T09  0.2-  0.1+
161128 T09  0.0   0.0     170123 T09  0.2-  0.1+    170225 T09  0.3+  0.1+
161225 T09  0.2-  0.5+    170123 T09  0.2-  0.3+    170225 T09  0.2-  0.0
161225 T09  0.2+  0.0     170123 T09  0.5-  0.0     170225 T09  0.1-  0.2+
161225 T09  0.4-  0.0     170123 T09  0.1+  0.1+    170225 T09  0.0   0.2+
161225 T09  0.1-  0.2-    170123 T09  0.0   0.0     170304 T09  0.0   0.3-
161225 T09  0.6+  0.5-    170123 T09  0.0   0.1-    170304 T09  0.1-  0.2+
161225 T09  0.2+  0.2+    170123 T09  0.3+  0.2-    170304 T09  0.2-  0.1-
161225 T09  0.3+  0.0     170123 T09  0.2-  0.0     170304 T09  0.1+  0.1-
161225 T09  0.0   0.0     170123 T09  0.0   0.0     170304 T09  0.1+  0.0
170102 T09  0.0   0.4-    170123 T09  0.1+  0.1-    170304 T09  0.2+  0.1+
170102 T09  0.2+  0.3-    170130 T09  0.1-  0.1-    170304 T09  0.2-  0.0
170102 T09  0.3+  0.3-    170130 T09  0.0   0.0     170322 T09  0.1-  0.1-
170102 T09  0.0   0.2-    170130 T09  0.1+  0.1-    170322 T09  0.0   0.0
170102 T09  0.1+  0.1+    170130 T09  0.1+  0.2-    170322 T09  0.1-  0.2+
170102 T09  0.0   0.3+    170201 T09  0.1-  0.0     170322 T09  0.1-  0.1-
170102 T09  0.1-  0.1-    170201 T09  0.1+  0.1+    170322 T09  0.4+  0.1+
170102 T09  0.1+  0.0     170201 T09  0.1+  0.2+    170322 T09  0.1-  0.1-
170102 T09  0.0   0.0     170202 T09  0.1-  0.2+    170322 T09  0.1+  0.2+
170102 T09  0.0   0.1-    170202 T09  0.0   0.1+    170325 T09  0.0   0.2-
170102 T09  0.0   0.0     170202 T09  0.0   0.0     170325 T09  0.1+  0.1+
170102 T09  0.0   0.2-    170221 T09  0.1-  0.3-    170325 T09  0.0   0.2-
170121 T09  0.0   0.1-    170221 T09  0.2+  0.2+    180117 T09  0.1+  0.0
170121 T09  0.1-  0.0     170221 T09  0.0   0.2-    180117 T09  0.1+  0.1+
170121 T09  0.0   0.1-    170221 T09  0.2-  0.2-    190205 T09  0.0   0.1-
170121 T09  0.2-  0.0     170221 T09  0.1+  0.2-    190509 T09  0.0   0.0
170121 T09  0.0   0.1+    170221 T09  0.2-  0.1+    190509 T09  0.1-  0.0
170121 T09  0.1+  0.2+    170221 T09  0.1+  0.0

Ephemeris:
2017 DU159               a,e,i = 43.98, 0.11, 9                  q = 39.2719
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2024 04 08    10 34 53.2 -01 04 19  39.4066 40.1946   141.5     0.9    25.5
...
2024 04 23    10 34 11.2 -00 57 19  39.5847 40.1973   127.0     1.1    25.5
...
2024 05 01    10 33 56.0 -00 54 04  39.6968 40.1988   119.3     1.3    25.5
...
2024 05 07    10 33 48.1 -00 51 54  39.7870 40.1999   113.5     1.3    25.5
2024 05 08    10 33 47.1 -00 51 34  39.8025 40.2000   112.5     1.3    25.5
2024 05 09    10 33 46.2 -00 51 14  39.8181 40.2002   111.6     1.3    25.5
...
2024 05 15    10 33 42.6 -00 49 26  39.9137 40.2013   105.8     1.4    25.5
...
2024 05 23    10 33 42.9 -00 47 29  40.0454 40.2028    98.2     1.4    25.5
...
2024 06 07    10 33 59.2 -00 45 23  40.2976 40.2055    84.1     1.4    25.6

M. P. C. Staff               (C) Copyright 2024 MPC           M.P.E.C. 2024-J197





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