• Processing (Info)

    • MPEC 2011-E64 : 2011 EC41

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    M.P.E.C. 2011-E64                                Issued 2011 Mar. 11, 14:47 UT

     The Minor Planet Electronic Circulars contain information on unusual
         minor planets and routine data on comets.  They are published
   on behalf of Commission 20 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@CFA.HARVARD.EDU
            URL https://www.minorplanetcenter.net/    ISSN 1523-6714

                                   2011 EC41

Observations:
     K11E41C* C2011 03 10.27325 12 16 08.74 +27 10 01.5          19.3  cEE064704
     K11E41C  C2011 03 10.28441 12 16 04.32 +27 09 54.7          19.5  cEE064704
     K11E41C  C2011 03 10.30705 12 15 55.23 +27 09 41.6          19.2  cEE064704
     K11E41C  C2011 03 10.31901 12 15 50.54 +27 09 35.0          19.6  cEE064704
     K11E41C KC2011 03 11.15974 12 10 30.40 +27 00 48.9                uEE064J95
     K11E41C KC2011 03 11.16438 12 10 28.68 +27 00 45.8                uEE064J95
     K11E41C KC2011 03 11.16921 12 10 26.86 +27 00 42.6          19.6 RuEE064J95
     K11E41C KC2011 03 11.26993112 09 50.62 +26 59 43.8          18.9 VrEE064H21
     K11E41C KC2011 03 11.27277112 09 49.52 +26 59 41.8          19.8 VrEE064H21
     K11E41C KC2011 03 11.27568412 09 48.44 +26 59 40.2          19.3 VrEE064H21
     K11E41C KC2011 03 11.27783412 09 47.62 +26 59 38.6          19.4 VrEE064H21
     K11E41C  C2011 03 11.30002 12 09 39.76 +26 59 26.4          19.6 RoEE064H01
     K11E41C  C2011 03 11.30720 12 09 37.08 +26 59 21.8          19.6 RoEE064H01
     K11E41C  C2011 03 11.31559 12 09 33.94 +26 59 16.5          19.6 RoEE064H01
     K11E41C  C2011 03 11.32172 12 09 31.66 +26 59 12.5          19.4 RoEE064H01
     K11E41C  C2011 03 11.32347 12 09 31.09 +26 59 12.3          19.6 RcEE064651
     K11E41C  C2011 03 11.32463 12 09 30.66 +26 59 11.9          19.6 RcEE064651
     K11E41C  C2011 03 11.32579 12 09 30.19 +26 59 11.2          19.7 RcEE064651
     K11E41C KC2011 03 11.40272 12 09 01.33 +26 58 17.0          19.3 RuEE064H36
     K11E41C KC2011 03 11.40744 12 08 59.55 +26 58 13.3          19.1 RuEE064H36
     K11E41C KC2011 03 11.41452 12 08 56.90 +26 58 07.0          19.2 RuEE064H36

Observer details:
651 Grasslands Observatory, Tucson.  Observer J. E. McGaha.  0.62-m f/5.1
    Newtonian reflector + CCD.
704 Lincoln Laboratory ETS, New Mexico.  Observers M. Blythe, G. Spitz,
    R. Brungard, J. Paige, P. Festler, T. McVey, A. Valdivia.  1.0-m f/2.15
    reflector + CCD.
H01 Magdalena Ridge Observatory, Socorro.  Observer W. H. Ryan.  2.4-m f/8.9
    reflector + CCD.
H21 Astronomical Research Observatory, Westfield.  Observer R. Holmes.
    Measurers S. Foglia, T. Vorobjov.  0.81-m f/4.0 astrograph + CCD.
H36 Sandlot Observatory, Scranton.  Observer G. Hug.  0.56-m reflector + CCD.
J95 Great Shefford.  Observer P. Birtwhistle.  0.40-m f/6.0 Schmidt-Cassegrain
    + CCD.

Orbital elements:
2011 EC41                                                Earth MOID = 0.1447 AU
Epoch 2011 Feb. 8.0 TT = JDT 2455600.5                  MPC
M   8.59940              (2000.0)            P               Q
n   0.26337085     Peri.  357.69911     +0.80134518     -0.58844274
a   2.4104099      Node    39.00649     +0.55153415     +0.65711484
e   0.8789367      Incl.    9.84471     +0.23163761     +0.47110003
P   3.74           H   19.9           G   0.15           U   9
Residuals in seconds of arc
110310 704  0.5-  0.6+    110311 H21  0.0   0.2+    110311 H01  0.2-  0.4+
110310 704  0.0   0.1+    110311 H21  0.5-  0.0     110311 651  0.2-  0.5+
110310 704  0.7-  0.0     110311 H21  0.4-  0.3+    110311 651  0.1-  0.9+
110310 704  0.3+  0.4+    110311 H21  0.6-  0.1+    110311 651  0.6-  0.9+
110311 J95  0.2-  0.1+    110311 H01  0.4-  0.4+    110311 H36  0.5+  0.8+
110311 J95  0.0   0.1+    110311 H01  0.3-  0.4+    110311 H36  0.0   0.3+
110311 J95  0.2-  0.1+    110311 H01  0.4-  0.5+    110311 H36  0.4-  1.1-

Ephemeris:
2011 EC41                a,e,i = 2.41, 0.88, 10                  q = 0.2918
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2011 02 09    17 49 45.8 +07 02 53   0.2721  0.8756    58.5   106.2    20.7
...
2011 02 24    14 39 01.7 +25 00 34   0.2613  1.1374   118.4    49.9    19.1
...
2011 03 04    13 06 13.0 +27 39 07   0.3247  1.2657   142.9    28.2    19.2
...
2011 03 10    12 17 56.4 +27 12 43   0.3952  1.3575   153.2    19.2    19.5
2011 03 11    12 11 30.7 +27 02 41   0.4084  1.3725   154.2    18.4    19.6
2011 03 12    12 05 29.2 +26 51 43   0.4220  1.3873   155.0    17.6    19.7
...
2011 03 18    11 36 35.3 +25 34 32   0.5102  1.4746   155.5    16.3    20.2
...
2011 03 26    11 12 15.6 +23 44 23   0.6428  1.5862   149.8    18.4    20.9
...
2011 04 10    10 51 19.9 +20 36 22   0.9258  1.7825   135.2    23.3    22.1

Carl W. Hergenrother         (C) Copyright 2011 MPC           M.P.E.C. 2011-E64

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