[Iaude] MPEC P27: 2017 WU13 [a=1.76,e=0.35,i=15.2,H=20.89]

mpec at cfa.harvard.edu mpec at cfa.harvard.edu
Fri Aug 2 10:11:36 EDT 2024


M.P.E.C. 2024-P27                                Issued 2024 August 2, 14:10 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 WU13                                    


                           Revision to MPEC 2017-W152                           

Additional Observations:
     K17W13U  C2010 12 18.44339406 08 48.262+07 24 28.01         20.71GVEP027F51
     K17W13U  C2010 12 18.45513706 08 47.010+07 24 49.90         21.37GVEP027F51
     K17W13U  C2024 06 16.55926022 35 53.254-12 10 27.55         22.11GVEP027F52
     K17W13U  C2024 06 16.57047322 35 55.330-12 10 30.72         21.88GVEP027F52
     K17W13U  C2024 06 16.58167722 35 57.414-12 10 33.79         22.69GVEP027F52
     K17W13U  C2024 06 16.59291522 35 59.504-12 10 36.74         22.98GVEP027F52
     K17W13U  C2024 07 03.57585523 35 22.275-14 09 38.92         21.94GVEP027F51
     K17W13U  C2024 07 03.58490323 35 24.330-14 09 44.77         21.77GVEP027F51
     K17W13U  C2024 07 03.60330323 35 28.476-14 09 55.27         21.97GVEP027F51
     K17W13U 6C2024 08 01.13259501 43 12.686-20 20 04.38         21.1 GVEP027Z84
     K17W13U 6C2024 08 01.14165901 43 15.348-20 20 12.00         21.4 GVEP027Z84
     K17W13U 6C2024 08 01.15105801 43 18.050-20 20 19.61         20.7 GVEP027Z84

Observer details:
F51 Pan-STARRS 1, Haleakala.  Observers J. Herman, T. Lowe, P. Minguez, A.
    Schultz, I. Smith.  Measurers K. Chambers, T. de Boer, J. Fairlamb, H.
    Gao, M. Huber, C.-C. Lin, E. Magnier, Y. Ramanjooloo, R. Wainscoat, R.
    Weryk.  1.8-m Ritchey-Chretien + CCD.
F52 Pan-STARRS 2, Haleakala.  Observers J. Herman, T. Lowe, P. Minguez, A.
    Schultz, I. Smith.  Measurers K. Chambers, T. de Boer, J. Fairlamb, H.
    Gao, M. Huber, C.-C. Lin, E. Magnier, Y. Ramanjooloo, R. Wainscoat, R.
    Weryk.  1.8-m Ritchey-Chretien + CCD.
Z84 Calar Alto-Schmidt.  Observers M. Micheli, R. Kresken, F. Ocana.
    Measurers R. Kresken, M. Micheli, F. Ocana, L. Conversi.  0.8-m f/3
    Schmidt + CCD.

First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
101218 F51 0.55+ 0.18+    240801 Z84 0.52+ 0.36+    MPO740832   -0.33 days

Orbital elements:
2017 WU13                                                Earth MOID = 0.2780 AU
Epoch 2024 Oct. 17.0 TT = JDT 2460600.5                 Veres                   
M  12.60360              (2000.0)            P               Q                  
n   0.42181313     Peri.  260.57900     +0.95665499     -0.14903085             
a   1.7608512      Node   107.67476     +0.22511385     +0.92347662             
e   0.3523619      Incl.   15.22426     -0.18475655     +0.35352614             
P   2.34           H   20.89          G   0.15           U   0                  
Residuals in seconds of arc
101218 F51  0.1+  0.1-    171124 G96  0.0   0.2+    171220 691  0.1-  0.1+
101218 F51  0.1+  0.2-    171128 V06  0.4+  0.3-    171220 691  0.1-  0.4-
171120 G96  0.3+  0.4+    171128 V06  0.2-  0.5-    171220 691  0.0   0.2-
171120 G96 (1.8+  0.3-)   171128 V06 (3.1-  1.5+)   171220 691  0.6-  0.3-
171120 G96  0.3+  0.1-    171208 807  0.1-  0.4-    171220 691  0.0   0.1+
171121 I52  0.1+  0.0     171208 807  0.0   0.3-    171220 691  0.2+  0.2+
171121 I52  0.1-  0.1+    171208 807  0.0   0.2-    180112 711  0.3-  0.2+
171121 I52  0.3+  0.6-    171208 I52  0.8+  1.3+    180112 711  0.1+  0.3+
171121 I52  0.2+  0.1-    171208 I52  0.6-  1.1+    180112 711  0.1+  0.1-
171122 H21  0.0   0.1-    171208 I52  0.5-  0.5-    180118 H21  0.2+  0.7+
171122 H21  0.3+  0.1-    171210 H21  0.6-  0.6+    180118 H21  0.4+  0.6+
171122 H21  0.1-  0.2-    171210 H21  0.5-  0.3+    180118 H21  0.2+  0.5+
171122 I52  0.1+  0.1+    171210 H21  0.2-  0.1-    240616 F52  0.0   0.3+
171122 I52  0.2+  1.0+    171210 H21  0.3-  0.2-    240616 F52  0.1-  0.2+
171122 I52  0.6-  1.0-    171216 807  0.1-  0.3-    240616 F52  0.0   0.2+
171122 I52  0.9-  1.9-    171216 807  0.2-  0.2-    240616 F52  0.2+  0.3+
171123 G96  0.5-  1.2-    171216 807  0.2-  0.5-    240703 F51  0.2-  0.5+
171123 G96  1.1+  0.6+    171217 807  0.0   0.4-    240703 F51  0.1+  0.0
171123 G96  0.2-  0.1+    171217 807  0.1-  0.8+    240703 F51  0.1+  0.3+
171123 G96  0.2+  0.1+    171217 807  0.1+  0.3+    240801 Z84  0.2-  0.4-
171124 G96  0.1-  0.2+    171219 691  0.3+  0.6+    240801 Z84  0.3+  0.2-
171124 G96  0.0   0.4+    171219 691  0.3-  0.1-    240801 Z84  0.0   0.2+
171124 G96  0.0   0.2+    171219 691  0.2-  0.3-

Ephemeris:
2017 WU13                a,e,i = 1.76, 0.35, 15                  q = 1.1404
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2024 07 03    23 33 08.9 -14 03 58   0.5604  1.3364   112.6    44.6    22.0
...
2024 07 18    00 35 48.2 -17 00 08   0.4685  1.2739   112.9    47.3    21.6
...
2024 07 26    01 13 13.0 -18 52 32   0.4342  1.2439   111.8    49.3    21.4
...
2024 08 01    01 42 32.5 -20 17 55   0.4151  1.2233   110.4    51.0    21.3
2024 08 02    01 47 29.4 -20 31 51   0.4125  1.2200   110.1    51.3    21.3
2024 08 03    01 52 26.8 -20 45 38   0.4100  1.2168   109.9    51.7    21.3
...
2024 08 09    02 22 12.3 -22 03 58   0.3981  1.1987   108.1    53.5    21.2
...
2024 08 17    03 01 01.5 -23 31 25   0.3895  1.1780   105.5    55.9    21.2
...
2024 09 01    04 06 35.7 -25 10 30   0.3889  1.1507   101.3    59.3    21.3

A. U. Tomatic                (C) Copyright 2024 MPC           M.P.E.C. 2024-P27





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