[Iaude] MPEC E42: 2005 EN70 [a=1.78,e=0.37,i=46.1,H=20.31]

mpec at cfa.harvard.edu mpec at cfa.harvard.edu
Mon Mar 4 09:24:36 EST 2024


M.P.E.C. 2024-E42                                 Issued 2024 March 4, 14:23 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.
			  
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                              MPC at CFA.HARVARD.EDU
            URL https://www.minorplanetcenter.net/    ISSN 1523-6714

                                   2005 EN70                                    


                           Revision to MPEC 2005-E49                            

Additional Observations:
     K05E70N 5C2022 09 17.29453522 06 38.86 +09 13 28.3                WEE042T14
     K05E70N 5C2022 09 17.29551322 06 38.81 +09 13 26.5                WEE042T14
     K05E70N 5C2022 09 17.29649322 06 38.73 +09 13 24.7                WEE042T14
     K05E70N KB2024 03 03.83870 11 23 59.016-45 22 27.19         17.5 GXEE042L87
     K05E70N KB2024 03 03.84543 11 23 59.623-45 21 39.53         16.7 GXEE042L87
     K05E70N KB2024 03 03.85214 11 24 00.254-45 20 50.93         17.7 GXEE042L87
     K05E70N KB2024 03 04.06582 11 24 21.502-44 56 00.13         18.3 GXEE042L87
     K05E70N KB2024 03 04.07009 11 24 21.838-44 55 28.63         18.1 GXEE042L87
     K05E70N KB2024 03 04.07436 11 24 22.277-44 54 58.39         17.9 GXEE042L87
     K05E70N  C2024 03 04.11185311 24 30.62 -44 50 26.2                WEE042X09
     K05E70N  C2024 03 04.11542911 24 31.02 -44 50 01.4                WEE042X09
     K05E70N  C2024 03 04.11721511 24 31.16 -44 49 48.4                WEE042X09
     K05E70N  C2024 03 04.12079111 24 31.53 -44 49 23.3                WEE042X09
     K05E70N  C2024 03 04.14850711 24 34.39 -44 46 07.4                WEE042X09
     K05E70N  C2024 03 04.15386911 24 34.94 -44 45 29.6                WEE042X09

Observer details:
L87 Moonbase South Observatory, Hakos.  Observer G. Duszanowicz.  0.28-m f/1.9
    reflector + CMO.
T14 Canada-France-Hawaii Telescope, Maunakea.  Observer R. Wainscoat.
    Measurer S. Deen.  3.58-m Canada-France-Hawaii Telescope + CCD.
X09 Deep Random Survey, Rio Hurtado.  Observers A. Schnabel, D. Ruhela.
    Measurer S. Deen.  0.43-m reflector + CMOS.

First and last observations above in comparison with prediction:
Residuals in seconds of arc (or zero decimals in degrees), reference and Delta-T
220917 T14   18+    6+    240304 X09   68+   13+    MPO781050   +51.6 days

Orbital elements:
2005 EN70                                                Earth MOID = 0.1371 AU
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5                 Veres                   
M   1.80519              (2000.0)            P               Q                  
n   0.41441877     Peri.   10.38745     -0.99024669     +0.12819676             
a   1.7817350      Node   175.65949     -0.09771749     -0.91819778             
e   0.3673319      Incl.   46.13130     +0.09931158     +0.37480451             
P   2.38           H   20.31          G   0.15           U   1                  
Residuals in seconds of arc
050308 699  0.5+  0.6+    050310 651  0.5-  1.0-    220917 T14  0.0   0.8-
050308 699  1.0-  0.0     050310 651  0.3-  0.6-    220917 T14  0.3-  0.9-
050308 699  0.1-  0.2-    050310 651  0.5-  0.9-    240303 L87  2.2+  2.9-
050308 699  0.4+  1.1+    050310 H06  1.4+  1.5-    240303 L87  1.1+  0.9-
050309 699  0.2-  0.6+    050310 H06  0.8+  1.1-    240303 L87  0.4+  2.0+
050309 699  0.1+  0.1-    050310 H06  0.2-  0.0     240304 L87  0.1+  0.1-
050309 699  0.3-  0.6+    050310 290  0.1-  0.4+    240304 L87  0.9-  0.8+
050309 699  0.2+  1.2-    050310 290  0.1-  0.5+    240304 L87  0.8-  0.3+
050309 699  0.1+  0.4+    050310 290  0.1-  0.5+    240304 X09  0.4-  0.2+
050309 699  0.1+  1.2+    050310 290  0.1-  0.5+    240304 X09  0.1-  0.2-
050309 699  0.6+  0.7+    050310 290  0.1-  0.5+    240304 X09  0.5-  0.2+
050309 699  0.4+  0.8+    050310 290  0.0   0.7+    240304 X09  0.6-  0.1+
050309 699  1.1+  0.2-    050404 540  0.8-  0.5+    240304 X09  0.3-  0.1+
050309 699  0.1-  0.3-    050404 540  0.2-  0.2+    240304 X09  0.3-  0.1-
050309 699  0.2+  0.9+    050404 540  0.2+  0.3-
050309 699  0.2+  0.4+    220917 T14  0.1-  0.6-

Ephemeris:
2005 EN70                a,e,i = 1.78, 0.37, 46                  q = 1.1272
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2024 02 03    10 38 51.4 -62 30 14   0.6139  1.2353    98.5    52.1    21.6
...
2024 02 18    10 58 58.2 -59 40 36   0.4219  1.1849   107.4    52.7    20.7
...
2024 02 26    11 11 27.5 -54 37 07   0.3177  1.1637   115.8    50.0    20.0
...
2024 03 03    11 22 17.9 -46 54 35   0.2428  1.1507   125.9    44.2    19.2
2024 03 04    11 24 15.3 -45 03 40   0.2309  1.1488   128.2    42.7    19.1
2024 03 05    11 26 15.4 -42 59 29   0.2194  1.1469   130.7    41.0    18.9
...
2024 03 11    11 39 19.9 -24 09 54   0.1606  1.1376   151.9    24.3    17.8
...
2024 03 19    11 59 55.1 +19 30 10   0.1409  1.1297   161.0    16.6    17.2
...
2024 04 03    12 46 47.0 +64 27 48   0.2832  1.1296   110.2    56.1    19.9

A. U. Tomatic                (C) Copyright 2024 MPC           M.P.E.C. 2024-E42




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