• MPC Preparation (Info)

    • MPEC 2011-W15 : 2011 WQ2

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    M.P.E.C. 2011-W15                                Issued 2011 Nov. 18, 17:39 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 WQ2

Observations:
     K11W02Q* C2011 11 17.38138 03 24 36.13 +22 25 02.6          19.1  cEW015704
     K11W02Q  C2011 11 17.39389 03 24 57.96 +22 28 18.7          19.2  cEW015704
     K11W02Q  C2011 11 17.40674 03 25 20.30 +22 31 39.8          19.4  cEW015704
     K11W02Q  C2011 11 17.41929 03 25 42.24 +22 34 55.1          19.1  cEW015704
     K11W02Q  C2011 11 17.43234 03 26 05.01 +22 38 15.9          18.8  cEW015704
     K11W02Q HC2011 11 18.17470 03 47 24.55 +25 31 09.7                oEW015291
     K11W02Q HC2011 11 18.17506 03 47 25.10 +25 31 14.5                oEW015291
     K11W02Q HC2011 11 18.17541 03 47 25.62 +25 31 18.8                oEW015291
     K11W02Q  C2011 11 18.24066 03 48 59.96 +25 44 50.2          19.2 RcEW015854
     K11W02Q  C2011 11 18.24495 03 49 05.96 +25 45 40.8          19.2 RcEW015854
     K11W02Q  C2011 11 18.24923 03 49 12.10 +25 46 35.0          20.3 RcEW015854
     K11W02Q KC2011 11 18.25596403 49 14.57 +25 47 24.1          18.8 VrEW015H21
     K11W02Q  C2011 11 18.25835 03 49 23.84 +25 48 16.8          18.8 RoEW015H01
     K11W02Q KC2011 11 18.25889103 49 18.73 +25 47 58.7          18.9 VrEW015H21
     K11W02Q KC2011 11 18.26177503 49 22.84 +25 48 32.6          19.0 VrEW015H21
     K11W02Q  C2011 11 18.26622 03 49 34.97 +25 49 50.9          19.0 RoEW015H01
     K11W02Q  C2011 11 18.27281 03 49 44.28 +25 51 09.5          18.7 RoEW015H01
     K11W02Q  C2011 11 18.27909 03 49 53.12 +25 52 23.8          18.8 RoEW015H01

Observer details:
291 LPL/Spacewatch II.  Observer R. S. McMillan.  1.8-m f/2.7 reflector + CCD.
704 Lincoln Laboratory ETS, New Mexico.  Observers M. Blythe, G. Spitz,
    R. Brungard, J. Paige, P. Festler, T. McVey, A. Valdivia, C. Gall.  1.0-m
    f/2.15 reflector + CCD.
854 Sabino Canyon Observatory, Tucson.  Observer J. E. McGaha.  0.36-m f/10.0
    Schmidt-Cassegrain + 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 L. Buzzi, H. Devore, S. Foglia, T. Vorobjov.  0.61-m f/4.0
    astrograph + CCD.

Orbital elements:
2011 WQ2                                                 Earth MOID = 0.0093 AU
Epoch 2011 Aug. 27.0 TT = JDT 2455800.5                 MPC
M 342.98471              (2000.0)            P               Q
n   0.27109333     Peri.  336.90773     +0.86509310     -0.49874720
a   2.3644139      Node    53.11851     +0.47002926     +0.76873112
e   0.5848339      Incl.    3.83706     +0.17517543     +0.40037943
P   3.64           H   26.1           G   0.15           U   7
Residuals in seconds of arc
111117 704  0.3-  0.4+    111118 291  0.1+  0.1+    111118 H01  0.2-  0.1-
111117 704  0.4+  0.4-    111118 291  0.1+  0.1-    111118 H21  0.2+  0.2-
111117 704  0.3-  0.2-    111118 854  0.6+  0.8+    111118 H21  0.4+  0.2-
111117 704  0.3+  0.3+    111118 854  1.0-  0.7-    111118 H01  0.2-  0.1-
111117 704  0.1-  0.0     111118 854  0.3-  1.6+    111118 H01  0.0   0.1+
111118 291  0.2-  0.2-    111118 H21  0.2+  0.3-    111118 H01  0.1-  0.0

Ephemeris:
2011 WQ2                 a,e,i = 2.36, 0.58, 4                   q = 0.9816
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2011 10 19    19 30 52.9 -38 41 57   0.1338  0.9901    83.5    88.7    24.8
...
2011 11 03    20 28 20.7 -37 26 46   0.06076 0.9841    80.6    95.9    23.4
...
2011 11 11    22 52 18.8 -25 44 27   0.02507 0.9972   105.6    73.0    20.6
...
2011 11 17    03 12 36.4 +20 36 23   0.02525 1.0140   176.2     3.7    18.5
2011 11 18    03 42 32.8 +24 55 37   0.02894 1.0174   173.5     6.3    18.9
2011 11 19    04 06 42.8 +27 57 09   0.03309 1.0209   168.7    10.9    19.4
...
2011 11 25    05 21 40.6 +34 44 34   0.06229 1.0450   157.2    21.5    21.2
...
2011 12 03    05 53 07.3 +36 21 20   0.1057  1.0844   157.7    20.2    22.4
...
2011 12 18    06 06 53.4 +36 11 13   0.1969  1.1761   166.0    11.7    23.6

A. U. Tomatic                (C) Copyright 2011 MPC           M.P.E.C. 2011-W15

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