• MPC Preparation (Info)

  • MPEC 2012-W49 : 2012 WC25

    The following Minor Planet Electronic Circular may be linked-to from your own Web pages, but must not otherwise be redistributed electronically.

    A form allowing access to any MPEC is at the bottom of this page.


    Read MPEC 2012-W48 Read MPEC 2012-W50


    M.P.E.C. 2012-W49                                Issued 2012 Nov. 25, 21:13 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
    
                                       2012 WC25
    
    Observations:
         K12W25C* C2012 11 24.22942 04 17 32.08 +24 23 26.5          20.8 VoEW049691
         K12W25C  C2012 11 24.24712 04 17 32.24 +24 24 26.9          20.8 VoEW049691
         K12W25C  C2012 11 24.26482 04 17 32.40 +24 25 26.2          20.6 VoEW049691
         K12W25C KC2012 11 24.35585004 17 32.52 +24 30 24.4          20.6 VuEW049H21
         K12W25C KC2012 11 24.36193 04 17 33.24 +24 30 51.4          20.2 RoEW049291
         K12W25C KC2012 11 24.36384204 17 32.65 +24 30 51.0                uEW049H21
         K12W25C KC2012 11 24.36467 04 17 33.27 +24 31 00.6          20.3 RoEW049291
         K12W25C KC2012 11 24.36760 04 17 33.29 +24 31 10.2          20.2 RoEW049291
         K12W25C KC2012 11 24.37273504 17 32.78 +24 31 20.4          20.8 VuEW049H21
         K12W25C KC2012 11 24.46738 04 17 34.40 +24 36 39.3          20.2 RoEW049291
         K12W25C KC2012 11 24.46930 04 17 34.42 +24 36 45.6          20.0 RoEW049291
         K12W25C KC2012 11 24.47122 04 17 34.45 +24 36 51.9          20.3 RoEW049291
         K12W25C KC2012 11 25.22818 04 17 53.74 +25 18 45.7          20.2 RoEW049291
         K12W25C KC2012 11 25.23074 04 17 53.75 +25 18 54.3          20.2 RoEW049291
         K12W25C KC2012 11 25.23329 04 17 53.78 +25 19 02.5          20.1 RoEW049291
         K12W25C KC2012 11 25.23960204 17 53.57 +25 19 24.9          20.5 RtEW049711
         K12W25C KC2012 11 25.24607504 17 53.63 +25 19 46.5          20.0 RtEW049711
         K12W25C KC2012 11 25.44825 04 17 55.65 +25 30 45.3          20.1 RoEW049291
         K12W25C KC2012 11 25.45021 04 17 55.69 +25 30 51.2          19.7 RoEW049291
         K12W25C KC2012 11 25.45216 04 17 55.71 +25 30 58.1          20.3 RoEW049291
    
    Observer details:
    291 LPL/Spacewatch II.  Observer T. H. Bressi.  1.8-m f/2.7 reflector + CCD.
    691 Steward Observatory, Kitt Peak.  Observer T. H. Bressi.  0.9-m f/3
        reflector + CCD.
    711 McDonald Observatory.  Observer T. Lister.  1.0-m f/8 Ritchey-Chretien
        + CCD.
    H21 Astronomical Research Observatory, Westfield.  Observer R. Holmes.
        Measurers T. Vorobjov, L. Buzzi, S. Foglia, T. Linder.  0.81-m f/4.0
        astrograph + CCD.
    
    Orbital elements:
    2012 WC25                                                Earth MOID = 0.2344 AU
    Epoch 2012 Sept. 30.0 TT = JDT 2456200.5                MPC
    M 351.31255              (2000.0)            P               Q
    n   0.23339156     Peri.  346.68586     +0.67752620     -0.71208500
    a   2.6126383      Node    60.30851     +0.69273283     +0.53370858
    e   0.5332182      Incl.   12.23524     +0.24714261     +0.45616894
    P   4.22           H   22.8           G   0.15           U   7
    Residuals in seconds of arc
    121124 691  0.2-  0.0     121124 291  0.1+  0.2-    121125 291  0.2+  0.1-
    121124 691  0.3-  0.4+    121124 H21  0.7+  0.0     121125 711  0.1+  0.1-
    121124 691  0.3-  0.1-    121124 291  0.0   0.1+    121125 711  0.2+  0.0
    121124 H21  0.1+  0.3-    121124 291  0.1-  0.1+    121125 291  0.3-  0.0
    121124 291  0.1+  0.1-    121124 291  0.0   0.1+    121125 291  0.1-  0.4-
    121124 H21  0.5+  0.1-    121125 291  0.3+  0.1+    121125 291  0.2-  0.3+
    121124 291  0.1+  0.0     121125 291  0.1+  0.2+
    
    Ephemeris:
    2012 WC25                a,e,i = 2.61, 0.53, 12                  q = 1.2195
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2012 10 26    03 56 20.7 -03 05 35   0.2649  1.2262   147.7    25.7    21.5
    ...
    2012 11 10    04 10 27.8 +10 11 22   0.2396  1.2203   161.9    14.6    21.0
    ...
    2012 11 18    04 14 58.5 +18 18 48   0.2411  1.2268   170.3     7.8    20.7
    ...
    2012 11 24    04 17 25.9 +24 10 39   0.2498  1.2361   174.5     4.4    20.6
    2012 11 25    04 17 47.7 +25 06 16   0.2518  1.2380   174.6     4.3    20.7
    2012 11 26    04 18 09.0 +26 00 48   0.2541  1.2400   174.4     4.5    20.7
    ...
    2012 12 02    04 20 12.2 +31 01 30   0.2710  1.2540   170.4     7.5    21.0
    ...
    2012 12 10    04 23 16.0 +36 22 18   0.3027  1.2777   163.4    12.7    21.5
    ...
    2012 12 25    04 33 05.3 +42 25 58   0.3867  1.3363   151.6    20.5    22.4
    
    A. U. Tomatic                (C) Copyright 2012 MPC           M.P.E.C. 2012-W49
    

    Read MPEC 2012-W48 Read MPEC 2012-W50


    MPEC number:

    Enter an MPEC number in one of the following forms:

    • 1997-B01 (the full form)
    • J97B01 (the packed version of the full form)
    • B01 (the abbreviated form)