[Iaude] MPEC O44: 2013 EW128 [a=2.35,e=0.60,i=7.4,H=20.43]

mpec at cfa.harvard.edu mpec at cfa.harvard.edu
Thu Jul 25 10:12:53 EDT 2024


M.P.E.C. 2024-O44                                 Issued 2024 July 25, 14:11 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

                                   2013 EW128                                   


                           Revision to MPEC 2013-M29                            

Additional Observations:
     K13EC8W 0C2024 06 13.60241000 03 46.976-02 25 27.70         23.40GVEO044T14
     K13EC8W 0C2024 06 13.60575400 03 47.232-02 25 27.20         23.40GVEO044T14
     K13EC8W 0C2024 07 02.60051500 23 05.526-02 22 18.43         23.51GVEO044T12
     K13EC8W 0C2024 07 02.60771300 23 05.807-02 22 19.32         23.81GVEO044T12

Observer details:
T12 University of Hawaii 88-inch telescope, Maunakea.  Observer D. J. Tholen.
    2.24-m f/10.1 reflector + 2112 x 2112 pixels STA1600 10k CCD.
T14 Canada-France-Hawaii Telescope, Maunakea.  Observer H. Januszewski.
    Measurer D. J. Tholen.  3.6-m f/4.1 reflector + 1024 x 2306 pixels
    Megacam.

First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
240613 T14 0.15- 0.02-    240702 T12 0.15- 0.04-    MPO268498   -0.66 days

Orbital elements:
2013 EW128                                               Earth MOID = 0.0711 AU
Epoch 2024 Oct. 17.0 TT = JDT 2460600.5                 Veres                   
M  59.80629              (2000.0)            P               Q                  
n   0.27321015     Peri.  106.75438     -0.66672808     +0.73714510             
a   2.3521851      Node   120.90762     -0.72328126     -0.60435167             
e   0.6021820      Incl.    7.36309     -0.17982739     -0.30228489             
P   3.61           H   20.43          G   0.15           U   1                  
Residuals in seconds of arc
130315 I41  0.1+  0.2+    130620 H06  0.2-  0.5-    130701 204  0.1+  0.2+
130315 I41  0.1-  0.0     130620 H06  0.2+  0.7-    130707 H45  1.1+  0.5+
130315 I41  0.1+  0.0     130620 H06  0.1+  0.3-    130707 H45  0.1-  0.1+
130315 I41  0.2-  0.2+    130620 G96  0.0   0.0     130707 H45  1.0+  0.3+
130619 703  0.5-  0.4+    130620 F65  0.1+  0.1-    130707 H45  0.3+  0.3-
130619 703  0.7-  0.8+    130620 H06  0.1+  0.2+    130707 H45  0.1-  0.4-
130619 703  0.1+  1.0+    130620 F65  0.1+  0.3-    130707 H45  0.2+  0.1+
130619 703  1.0+  1.8-    130620 F65  0.1-  0.2+    130709 B67  0.0   0.6-
130619 703  0.2+  1.2-    130620 G96  0.4-  0.2+    130709 B67  0.2-  0.7-
130619 703  0.5+  0.3-    130620 F65  0.0   0.5+    130709 B67  0.2+  0.5-
130619 703  0.2-  0.3-    130620 F65  0.0   0.1+    130709 H45  0.2-  0.2-
130619 703  0.1+  0.5-    130621 106  0.7-  0.6+    130709 H45  0.3+  0.1-
130619 703  0.1-  0.5+    130621 106  0.2-  0.0     130709 H45  0.0   0.3-
130619 C73  0.3-  0.2+    130621 106  0.3+  0.1+    130709 H45  0.2+  0.1-
130619 C73  0.3-  0.0     130621 I89  0.5-  0.2-    130709 H45  0.0   0.1-
130619 C73  0.1-  0.1-    130621 I89  0.1+  0.3-    130709 H45  0.2+  0.3-
130619 C73  0.7+  0.2+    130621 I89  0.1-  0.6-    130712 H45  0.6+  0.2-
130619 C73  0.4+  0.1-    130621 718  0.9+  0.6-    130712 H45  0.6+  0.2-
130619 K57  0.0   0.2+    130621 718  0.6+  0.5+    130712 H45  0.2-  0.1+
130619 C73  0.2+  0.9+    130621 718  0.7+  0.2+    130712 H45  0.0   0.1-
130619 K57  0.1+  0.2+    130621 718  0.3-  0.2-    130712 H45  0.8+  0.6+
130620 K57  0.1+  0.1+    130621 G96  0.2-  0.2-    130712 H45  0.0   0.3+
130620 H36  0.4+  0.2+    130621 G96  0.2-  0.2-    130715 F51  0.1+  0.0
130620 H36  0.0   0.0     130621 G96  0.0   0.3-    130715 F51  0.0   0.1-
130620 H36  0.0   0.0     130621 G96  0.1+  0.3-    130802 F51  0.0   0.1+
130620 718  0.3+  0.0     130629 H21  0.4-  0.1-    130802 F51  0.0   0.1+
130620 718  0.4+  0.8+    130629 H21  0.2-  0.2-    130802 F51  0.0   0.1+
130620 G96  0.1-  0.5+    130629 H21  0.3-  0.2-    130802 F51  0.0   0.1+
130620 718  0.9+  0.4+    130629 H21  0.2-  0.1-    240613 T14  0.0   0.0
130620 G96 (1.6-  0.9-)   130629 H21  0.3-  0.0     240613 T14  0.0   0.1+
130620 H06  0.2+  0.1-    130701 204  0.1+  0.2+    240702 T12  0.0   0.0
130620 H06  0.5-  0.8-    130701 204  0.0   0.1+    240702 T12  0.0   0.0

Ephemeris:
2013 EW128               a,e,i = 2.35, 0.60, 7                   q = 0.9357
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2024 06 25    00 16 47.5 -02 13 29   1.2232  1.5990    90.6    39.5    23.5
...
2024 07 10    00 27 14.1 -02 44 45   1.1870  1.7242   102.7    35.1    23.4
...
2024 07 18    00 29 22.8 -03 25 06   1.1658  1.7898   110.0    32.2    23.4
...
2024 07 24    00 29 19.9 -04 06 13   1.1508  1.8384   116.0    29.8    23.4
2024 07 25    00 29 11.0 -04 13 58   1.1484  1.8465   117.0    29.4    23.3
2024 07 26    00 28 59.6 -04 21 57   1.1461  1.8545   118.0    28.9    23.3
...
2024 08 01    00 26 59.7 -05 14 57   1.1340  1.9023   124.5    26.1    23.3
...
2024 08 09    00 22 04.6 -06 37 41   1.1238  1.9651   133.6    21.9    23.2
...
2024 08 24    00 06 50.8 -09 35 03   1.1333  2.0797   151.8    13.3    23.1

A. U. Tomatic                (C) Copyright 2024 MPC           M.P.E.C. 2024-O44





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