• Processing (Info)

  • MPEC 2012-C21 : 2012 CU

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    M.P.E.C. 2012-C21                                Issued 2012 Feb. 3, 20:02 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 CU
    
    Observations:
         K12C00U* C2012 02 02.40401 11 45 34.89 -17 52 01.2          17.5  cEC021704
         K12C00U  C2012 02 02.41668 11 44 57.50 -17 40 55.8          18.2  cEC021704
         K12C00U  C2012 02 02.42935 11 44 20.67 -17 29 57.8          18.4  cEC021704
         K12C00U  C2012 02 02.44201 11 43 44.34 -17 19 05.5          18.7  cEC021704
         K12C00U  C2012 02 02.45468 11 43 08.60 -17 08 19.8          17.8  cEC021704
         K12C00U KC2012 02 03.22347 11 20 10.33 -09 12 25.1          18.4 RuEC021J95
         K12C00U KC2012 02 03.22512 11 20 08.18 -09 11 40.0          18.6 RuEC021J95
         K12C00U KC2012 02 03.22697 11 20 05.56 -09 10 48.6          17.8 RuEC021J95
         K12C00U KC2012 02 03.22887 11 20 03.04 -09 09 57.4          18.5 RuEC021J95
         K12C00U  C2012 02 03.36198 11 17 49.74 -08 10 52.6          18.1 RcEC021854
         K12C00U  C2012 02 03.36667 11 17 43.47 -08 08 56.4          18.1 RcEC021854
         K12C00U |C2012 02 03.37234 11 17 15.04 -07 57 30.2          19.2 VoEC021807
         K12C00U |C2012 02 03.37538 11 17 11.10 -07 56 15.6          17.9 VoEC021807
         K12C00U |C2012 02 03.37690 11 17 09.12 -07 55 38.4          18.0 VoEC021807
         K12C00U |C2012 02 03.37842 11 17 07.18 -07 55 01.3          19.3 VoEC021807
         K12C00U |C2012 02 03.38159 11 17 03.09 -07 53 44.1          18.6 VoEC021807
    
    Observer details:
    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.
    807 Cerro Tololo.  Observers R. Holmes, T. Linder, V. Hoette.  Measurers
        R. Holmes, T. Linder.  0.41-m f/11 Ritchey-Chretien + CCD.
    854 Sabino Canyon Observatory, Tucson.  Observer J. E. McGaha.  0.36-m f/10.0
        Schmidt-Cassegrain + CCD.
    J95 Great Shefford.  Observer P. Birtwhistle.  0.40-m f/6.0 Schmidt-Cassegrain
        + CCD.
    
    Orbital elements:
    2012 CU                                                  Earth MOID = 0.0031 AU
    Epoch 2012 Mar. 14.0 TT = JDT 2456000.5                 MPC
    M  33.76087              (2000.0)            P               Q
    n   0.42742959     Peri.  268.12695     +0.16452569     -0.98637254
    a   1.7453921      Node   172.40325     +0.90711825     +0.15102110
    e   0.5069591      Incl.    0.31022     +0.38738583     +0.06528278
    P   2.31           H   25.8           G   0.15           U   6
    Residuals in seconds of arc
    120202 704  0.2-  0.8-    120203 J95  0.9+  0.2-    120203 807  0.1+  0.0
    120202 704  0.4-  0.3+    120203 J95  0.6-  0.5+    120203 807  0.1-  0.1+
    120202 704  0.1+  0.0     120203 J95  0.3+  0.3-    120203 807  0.2+  0.1+
    120202 704  0.1-  0.6+    120203 854  0.7+  0.5-    120203 807  0.1-  0.1+
    120202 704  0.9+  0.0     120203 854  0.4-  0.8+
    120203 J95  0.6-  0.1-    120203 807  0.2+  0.3-
    
    Ephemeris:
    2012 CU                  a,e,i = 1.75, 0.51, 0                   q = 0.8605
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2012 01 04    22 09 50.4 -12 38 44   0.1822  0.8695    47.1   124.1    27.0
    ...
    2012 01 19    22 15 34.2 -13 38 56   0.08209 0.9160    32.8   144.4    27.7
    ...
    2012 01 27    22 00 42.9 -19 11 20   0.03151 0.9552    20.4   159.0    28.8
    ...
    2012 02 02    12 08 33.4 -24 48 33   0.0091310.9897   117.7    61.8    17.8
    2012 02 03    11 25 35.0 -10 54 17   0.01437 0.9958   135.2    44.2    18.3
    2012 02 04    11 07 55.7 -04 32 42   0.02019 1.0020   143.5    35.8    18.8
    ...
    2012 02 10    10 40 59.2 +05 13 56   0.05734 1.0408   160.5    18.5    20.6
    ...
    2012 02 18    10 32 46.1 +07 50 51   0.1092  1.0963   171.6     7.6    21.7
    ...
    2012 03 04    10 27 24.1 +09 20 38   0.2177  1.2073   171.5     7.0    23.4
    
    A. U. Tomatic                (C) Copyright 2012 MPC           M.P.E.C. 2012-C21
    

    Read MPEC 2012-C20 Read MPEC 2012-C22


    MPEC number:

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    • B01 (the abbreviated form)