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  • MPEC 2013-X67 : 2013 XS21

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    M.P.E.C. 2013-X67                                Issued 2013 Dec. 14, 12:26 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
    
                                       2013 XS21
    
    Observations:
         K13X21S* C2013 12 12.48055 09 14 39.96 +17 40 39.9                qEX067703
         K13X21S  C2013 12 12.48357 09 14 42.14 +17 44 59.3          18.8 VqEX067703
         K13X21S  C2013 12 12.48660 09 14 44.32 +17 49 15.0                qEX067703
         K13X21S  C2013 12 12.48962 09 14 46.58 +17 53 30.1                qEX067703
         K13X21S  C2013 12 12.51060 09 15 01.25 +18 21 13.9          18.2 VqEX067703
         K13X21S  C2013 12 12.51088 09 15 01.45 +18 21 35.5          18.2 VqEX067703
         K13X21S  C2013 12 12.51115 09 15 01.57 +18 21 55.4          18.1 VqEX067703
         K13X21S  C2013 12 12.51142 09 15 01.81 +18 22 16.0          18.3 VqEX067703
         K13X21S  C2013 12 12.51169 09 15 01.99 +18 22 36.5          18.0 VqEX067703
         K13X21S  C2013 12 12.52810 09 15 13.45 +18 42 36.0          18.4 VqEX067703
         K13X21S  C2013 12 12.52910 09 15 14.16 +18 43 46.8          19.0 VqEX067703
         K13X21S  C2013 12 12.52948 09 15 14.46 +18 44 14.1          17.8 VqEX067703
         K13X21S  C2013 12 12.53141 09 15 15.81 +18 46 29.2                qEX067703
         K13X21S  C2013 12 12.53461 09 15 17.97 +18 50 12.2          17.9 VqEX067703
         K13X21S  C2013 12 13.37582 09 28 02.35 +25 34 09.6          20.4 VqEX067G96
         K13X21S  C2013 12 13.37619 09 28 02.33 +25 34 15.1          19.9 VqEX067G96
         K13X21S  C2013 12 13.37656 09 28 02.24 +25 34 19.7          20.4 VqEX067G96
         K13X21S  C2013 12 13.37694 09 28 02.21 +25 34 24.8          19.7 VqEX067G96
         K13X21S KC2013 12 13.39167109 27 25.71 +25 35 54.9          20.2 VuEX067H21
         K13X21S KC2013 12 13.39770509 27 24.61 +25 37 06.0          20.8 VuEX067H21
         K13X21S KC2013 12 13.40370909 27 23.46 +25 38 15.1          20.3 VuEX067H21
         K13X21S KC2013 12 14.09088 09 30 06.14 +27 02 14.0                qEX067J95
         K13X21S KC2013 12 14.10133 09 30 04.97 +27 03 16.5          21.1 RqEX067J95
         K13X21S KC2013 12 14.11805 09 30 02.90 +27 04 54.2                qEX067J95
         K13X21S KC2013 12 14.13884 09 30 00.23 +27 06 48.1          21.4 RqEX067J95
    
    Observer details:
    703 Catalina Sky Survey.  Observer R. E. Hill.  Measurers A. Boattini,
        E. J. Christensen, A. R. Gibbs, A. D. Grauer, R. E. Hill, J. A. Johnson,
        R. A. Kowalski, S. M. Larson, F. C. Shelly.  0.68-m Schmidt + CCD.
    G96 Mt. Lemmon Survey.  Observer R. A. Kowalski.  Measurers A. Boattini,
        E. J. Christensen, A. R. Gibbs, A. D. Grauer, R. E. Hill, J. A. Johnson,
        R. A. Kowalski, S. M. Larson, F. C. Shelly.  1.5-m reflector + 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.
    J95 Great Shefford.  Observer P. Birtwhistle.  0.40-m f/6.0 Schmidt-Cassegrain
        + CCD.
    
    Orbital elements:
    2013 XS21                                                Earth MOID = 0.0005 AU
    Epoch 2013 Nov. 4.0 TT = JDT 2456600.5                  MPC
    M 351.68365              (2000.0)            P               Q
    n   0.36107799     Peri.  339.33607     +0.48300360     -0.87544207
    a   1.9531490      Node    81.77857     +0.80583549     +0.43657108
    e   0.5049372      Incl.    1.01719     +0.34254444     +0.20738098
    P   2.73           H   29.4           G   0.15           U   6
    Residuals in seconds of arc
    131212 703  0.5-  0.8-    131212 703  0.0   0.8-    131213 H21  0.0   0.2-
    131212 703  0.6-  0.2-    131212 703  0.1+  0.5-    131213 H21  0.8+  0.1+
    131212 703  0.4-  0.7-    131212 703  0.6+  0.0     131213 H21  0.9+  0.0
    131212 703  1.1+  2.2+    131212 703  0.4+  0.1-    131214 J95  0.2+  0.1-
    131212 703  0.4+  0.0     131212 703  1.0-  1.1+    131214 J95  0.3+  0.3-
    131212 703  0.5+  0.4+    131213 G96  0.4-  0.3-    131214 J95  0.4-  0.6+
    131212 703  0.5-  0.2-    131213 G96  0.2+  0.2+    131214 J95  0.3-  0.1-
    131212 703  0.2+  0.1-    131213 G96  0.2-  0.2-
    131212 703  0.1+  0.0     131213 G96  0.3+  0.3-
    
    Ephemeris:
    2013 XS21                a,e,i = 1.95, 0.50, 1                   q = 0.9669
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2013 11 14    21 11 05.1 -21 31 23   0.1191  0.9803    82.2    90.9    28.0
    ...
    2013 11 29    21 17 36.8 -21 24 54   0.05662 0.9672    68.6   108.3    27.2
    ...
    2013 12 07    21 20 52.3 -22 04 56   0.02190 0.9748    61.1   117.8    25.7
    ...
    2013 12 13    09 24 29.0 +24 00 49   0.0045900.9871   124.6    55.2    19.7
    2013 12 14    09 29 31.3 +27 01 07   0.0089770.9895   125.0    54.5    21.1
    2013 12 15    09 31 16.1 +28 02 57   0.01336 0.9921   125.8    53.5    22.0
    ...
    2013 12 21    09 32 36.2 +29 28 58   0.03964 1.0105   131.6    46.8    24.2
    ...
    2013 12 29    09 29 14.7 +29 54 56   0.07490 1.0419   139.9    37.4    25.4
    ...
    2014 01 13    09 16 48.2 +30 03 34   0.1453  1.1179   156.1    20.9    26.5
    
    A. U. Tomatic                (C) Copyright 2013 MPC           M.P.E.C. 2013-X67
    

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