• MPC Preparation (Info)

  • MPEC 2013-X68 : 2013 XT21

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    M.P.E.C. 2013-X68                                Issued 2013 Dec. 14, 12:33 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 XT21
    
    Observations:
         K13X21T* C2013 12 13.24553 07 37 26.79 +29 20 09.5          18.4 VqEX068703
         K13X21T  C2013 12 13.25006 07 37 18.20 +29 17 14.9          17.8 VqEX068703
         K13X21T  C2013 12 13.25459 07 37 09.88 +29 14 24.8          18.7 VqEX068703
         K13X21T  C2013 12 13.25913 07 37 01.39 +29 11 33.7          18.7 VqEX068703
         K13X21T  C2013 12 13.28216 07 36 19.22 +28 57 24.2          18.3 VqEX068703
         K13X21T  C2013 12 13.28255 07 36 18.52 +28 57 10.9          18.6 VqEX068703
         K13X21T  C2013 12 13.28293 07 36 17.80 +28 56 56.3          18.6 VqEX068703
         K13X21T  C2013 12 13.28332 07 36 17.01 +28 56 40.7          18.3 VqEX068703
         K13X21T KC2013 12 13.34536407 34 07.81 +28 18 49.4          18.9 VqEX068H21
         K13X21T KC2013 12 13.34720407 34 04.72 +28 17 44.6          18.7 VqEX068H21
         K13X21T KC2013 12 13.34870807 34 02.24 +28 16 52.3          18.7 VqEX068H21
         K13X21T KC2013 12 13.35153607 33 57.54 +28 15 15.0          19.0 VqEX068H21
         K13X21T KC2013 12 13.35448507 33 52.66 +28 13 32.3          18.8 VqEX068H21
         K13X21T KC2013 12 13.35456307 33 52.51 +28 13 29.9          18.8 VqEX068H21
         K13X21T  C2013 12 13.38434 07 33 22.73 +27 58 24.7          19.1 VqEX068703
         K13X21T  C2013 12 13.38473 07 33 22.11 +27 58 11.7          19.9 VqEX068703
         K13X21T  C2013 12 13.38511 07 33 21.56 +27 58 00.5          19.2 VqEX068703
         K13X21T  C2013 12 13.38550 07 33 20.93 +27 57 47.8          18.4 VqEX068703
         K13X21T  C2013 12 13.38682 07 33 18.60 +27 57 05.3          18.7 VqEX068703
         K13X21T  C2013 12 13.38721 07 33 17.98 +27 56 50.6          18.4 VqEX068703
         K13X21T  C2013 12 13.38760 07 33 17.47 +27 56 38.0          18.4 VqEX068703
         K13X21T  C2013 12 13.38799 07 33 16.83 +27 56 26.1          18.9 VqEX068703
         K13X21T  C2013 12 13.38838 07 33 16.29 +27 56 12.0          18.3 VqEX068703
         K13X21T KC2013 12 14.02177 07 24 08.92 +23 48 50.7                qEX068J95
         K13X21T KC2013 12 14.02437 07 24 06.96 +23 48 09.4                qEX068J95
         K13X21T KC2013 12 14.02883 07 24 03.70 +23 46 58.8          19.7 RqEX068J95
         K13X21T  C2013 12 14.21317 07 22 43.38 +23 03 02.1          19.7 RoEX068926
         K13X21T  C2013 12 14.21542 07 22 42.08 +23 02 33.4          19.2 RoEX068926
         K13X21T  C2013 12 14.21767 07 22 40.71 +23 02 05.2          19.1 RoEX068926
         K13X21T  C2013 12 14.31906 07 21 37.85 +22 41 07.7          20.4 VqEX068G96
         K13X21T  C2013 12 14.31946 07 21 37.63 +22 41 02.6          20.3 VqEX068G96
         K13X21T  C2013 12 14.31986 07 21 37.38 +22 40 57.9          20.2 VqEX068G96
         K13X21T  C2013 12 14.32025 07 21 37.14 +22 40 53.4          19.8 VqEX068G96
    
    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.
    926 Tenagra II Observatory.  Observers M. Schwartz, P. R. Holvorcem.  0.81-m
        f/7 Ritchey-Chretien + 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.  0.61-m f/4.0
        astrograph + CCD.
    J95 Great Shefford.  Observer P. Birtwhistle.  0.40-m f/6.0 Schmidt-Cassegrain
        + CCD.
    
    Orbital elements:
    2013 XT21                                                Earth MOID = 0.0027 AU
    Epoch 2013 Nov. 4.0 TT = JDT 2456600.5                  MPC
    M 358.55302              (2000.0)            P               Q
    n   0.24872832     Peri.  130.34207     +0.83305787     -0.55095109
    a   2.5041051      Node   263.14550     +0.49116208     +0.77797952
    e   0.6553279      Incl.    2.86779     +0.25450814     +0.30199465
    P   3.96           H   27.3           G   0.15           U   4
    Residuals in seconds of arc
    131213 703  1.5+  1.3+    131213 H21  0.3+  0.4+    131213 703  1.0+  0.2-
    131213 703  0.4-  1.5-    131213 H21  0.4+  0.0     131214 J95  0.0   0.1+
    131213 703  0.9+  0.7-    131213 H21  0.1+  0.3+    131214 J95  0.3-  0.1-
    131213 703  0.2-  1.5-    131213 703  0.3-  0.3-    131214 J95  0.4+  0.3-
    131213 703  0.5+  0.1-    131213 703  0.1-  0.5-    131214 926  0.1-  0.0
    131213 703  0.6+  0.8+    131213 703  0.8+  0.8+    131214 926  0.6+  0.2-
    131213 703  0.2+  0.0     131213 703  0.8+  1.0+    131214 926  0.3+  0.0
    131213 703  0.9-  1.3-    131213 703  1.8-  1.9+    131214 G96  0.1-  0.2+
    131213 H21  0.1-  0.1-    131213 703  1.6-  0.0     131214 G96  0.3+  0.1-
    131213 H21  0.2-  0.7-    131213 703  0.0   0.2+    131214 G96  0.3+  0.1+
    131213 H21  0.2+  0.6-    131213 703  0.2-  1.1+    131214 G96  0.3+  0.3+
    
    Ephemeris:
    2013 XT21                a,e,i = 2.50, 0.66, 3                   q = 0.8631
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2013 11 14    18 49 36.2 -15 21 24   0.2247  0.8654    50.9   117.5    28.4
    ...
    2013 11 29    19 00 01.6 -13 45 28   0.1023  0.9091    38.9   137.1    28.6
    ...
    2013 12 07    18 57 59.3 -11 07 51   0.03913 0.9521    31.7   147.1    28.1
    ...
    2013 12 13    07 45 04.6 +32 42 03   0.0083830.9915   146.9    32.9    18.3
    2013 12 14    07 24 13.1 +23 59 22   0.01594 0.9985   152.7    26.9    19.5
    2013 12 15    07 17 31.3 +20 52 30   0.02366 1.0057   154.9    24.6    20.3
    ...
    2013 12 21    07 08 09.3 +16 40 39   0.07071 1.0512   161.8    17.0    22.6
    ...
    2013 12 29    07 04 29.3 +15 52 36   0.1356  1.1169   169.3     9.4    23.8
    ...
    2014 01 13    07 01 27.3 +15 58 16   0.2703  1.2505   169.9     8.0    25.5
    
    A. U. Tomatic                (C) Copyright 2013 MPC           M.P.E.C. 2013-X68
    

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