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  • MPEC 2013-X75 : 2013 XZ21

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    M.P.E.C. 2013-X75                                Issued 2013 Dec. 15, 13:31 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 XZ21
    
    Observations:
         K13X21Z* C2013 12 12.42550 07 53 23.20 +12 26 29.1          19.6 VqEX075703
         K13X21Z  C2013 12 12.42851 07 53 23.17 +12 26 40.3          19.7 VqEX075703
         K13X21Z  C2013 12 12.43153 07 53 23.21 +12 26 52.6          20.0 VqEX075703
         K13X21Z  C2013 12 12.43456 07 53 23.18 +12 27 04.5          19.6 VqEX075703
         K13X21Z  C2013 12 12.44338 07 53 23.30 +12 27 38.2          19.6 VqEX075703
         K13X21Z  C2013 12 12.44753 07 53 23.21 +12 27 53.6          19.9 VqEX075703
         K13X21Z  C2013 12 12.45583 07 53 23.27 +12 28 26.0                qEX075703
         K13X21Z  C2013 12 12.49914 07 53 23.51 +12 31 09.9                qEX075703
         K13X21Z  C2013 12 12.50251 07 53 23.34 +12 31 23.4                qEX075703
         K13X21Z  C2013 12 12.50588 07 53 23.52 +12 31 37.1          19.3 VqEX075703
         K13X21Z KC2013 12 13.08560 07 53 31.12 +13 09 13.9          20.1 VuEX075958
         K13X21Z KC2013 12 13.09120 07 53 31.13 +13 09 36.6          20.1 VuEX075958
         K13X21Z KC2013 12 13.09859 07 53 31.11 +13 10 05.9          19.6 VuEX075958
         K13X21Z KC2013 12 13.10782 07 53 31.13 +13 10 41.3          20.1 VuEX075958
         K13X21Z KC2013 12 13.12529 07 53 30.92 +13 11 50.5          19.7 VtEX075595
         K13X21Z KC2013 12 13.15143 07 53 30.99 +13 13 34.9          19.9 VtEX075595
         K13X21Z KC2013 12 13.16320 07 53 31.11 +13 14 22.0                qEX075204
         K13X21Z KC2013 12 13.17727 07 53 31.18 +13 15 17.9          19.5 RqEX075204
         K13X21Z KC2013 12 13.18613 07 53 31.23 +13 15 53.5                qEX075204
         K13X21Z  C2013 12 13.34620 07 53 34.24 +13 26 44.7          19.4 VqEX075G96
         K13X21Z  C2013 12 13.35417 07 53 34.25 +13 27 17.0          19.5 VqEX075G96
         K13X21Z KC2013 12 13.35988307 53 33.63 +13 27 37.4          19.9 VuEX075H21
         K13X21Z  C2013 12 13.36213 07 53 34.28 +13 27 49.5          19.5 VqEX075G96
         K13X21Z KC2013 12 13.36434807 53 33.65 +13 27 55.2          20.1 VuEX075H21
         K13X21Z  C2013 12 13.37010 07 53 34.25 +13 28 21.9          19.6 VqEX075G96
         K13X21Z KC2013 12 13.37023907 53 33.65 +13 28 19.4          19.9 VuEX075H21
         K13X21Z KC2013 12 14.07087 07 53 40.17 +14 16 49.0                qEX075J95
         K13X21Z KC2013 12 14.07597 07 53 40.20 +14 17 10.8                qEX075J95
         K13X21Z KC2013 12 14.08116 07 53 40.19 +14 17 31.8          19.5 RqEX075J95
         K13X21Z  C2013 12 14.29154 07 53 42.58 +14 32 42.7          18.6 VqEX075G96
         K13X21Z  C2013 12 14.30423 07 53 42.57 +14 33 37.9          18.7 VqEX075G96
         K13X21Z  C2013 12 14.31058 07 53 42.53 +14 34 05.5          19.4 VqEX075G96
         K13X21Z  C2013 12 14.37674 07 53 42.39 +14 38 54.4          19.6 RoEX075926
         K13X21Z  C2013 12 14.38571 07 53 42.37 +14 39 33.6          19.5 RoEX075926
         K13X21Z  C2013 12 14.39291 07 53 42.33 +14 40 04.7          19.7 RoEX075926
         K13X21Z  C2013 12 15.30548107 53 47.52 +15 48 25.9          19.3 RtEX075H01
         K13X21Z  C2013 12 15.31522007 53 47.46 +15 49 11.4          19.0 RtEX075H01
         K13X21Z  C2013 12 15.32025507 53 47.43 +15 49 34.9          19.0 RtEX075H01
         K13X21Z  C2013 12 15.33054507 53 47.37 +15 50 22.8          19.4 RtEX075H01
    
    Observer details:
    204 Schiaparelli Observatory.  Observer L. Buzzi.  0.60-m f/4.64 reflector
        + CCD.
    595 Farra d'Isonzo.  Observer E. Pettarin.  0.40-m f/4.5 reflector + CCD.
    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.
    958 Observatoire de Dax.  Observers P. Dupouy, J. B. de Vanssay.  Measurer
        P. Dupouy.  0.43-m f/2.7 reflector + 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.
    H01 Magdalena Ridge Observatory, Socorro.  Observers W. H. Ryan, E. V. Ryan.
        Measurer W. H. Ryan.  2.4-m f/8.9 reflector + CCD.
    H21 Astronomical Research Observatory, Westfield.  Observer R. Holmes.
        Measurers S. Foglia, L. Buzzi, T. Linder, T. Vorobjov.  0.61-m f/4.5
        astrograph + CCD.
    J95 Great Shefford.  Observer P. Birtwhistle.  0.40-m f/6.0 Schmidt-Cassegrain
        + CCD.
    
    Orbital elements:
    2013 XZ21                                                Earth MOID = 0.0637 AU
    Epoch 2013 Nov. 4.0 TT = JDT 2456600.5                  MPC
    M 261.52104              (2000.0)            P               Q
    n   0.70902406     Peri.  110.50111     -0.77190780     +0.34768576
    a   1.2455526      Node    93.17142     -0.55966535     -0.76875674
    e   0.3763414      Incl.   32.21178     +0.30155108     -0.53677526
    P   1.39           H   20.4           G   0.15           U   8
    Residuals in seconds of arc
    131212 703  0.5+  0.8-    131213 958  0.8-  1.0-    131214 J95  0.1-  0.4+
    131212 703  0.1-  1.1-    131213 595  0.1-  0.3-    131214 J95  0.3+  0.4+
    131212 703  0.3+  0.3-    131213 595  0.3-  0.0     131214 J95  0.2+  0.7-
    131212 703  0.2-  0.1+    131213 204  0.5-  0.0     131214 G96  0.0   0.1+
    131212 703  1.1+  0.3+    131213 204  0.2-  0.2-    131214 G96  0.1+  0.0
    131212 703  0.4-  0.1-    131213 204  0.0   0.0     131214 G96  0.4-  0.0
    131212 703  0.0   0.8+    131213 G96  0.0   0.1-    131214 926  0.0   0.3+
    131212 703  1.1+  0.1-    131213 G96  0.1+  0.2-    131214 926  0.2+  0.4+
    131212 703  1.6-  0.6+    131213 H21  0.3-  0.2-    131214 926  0.0   0.1+
    131212 703  0.8+  1.4+    131213 G96  0.5+  0.0     131215 H01  0.0   0.2-
    131213 958  0.2-  0.1+    131213 H21  0.1-  0.5-    131215 H01  0.1-  0.1-
    131213 958  0.3-  0.5+    131213 G96  0.0   0.0     131215 H01  0.1-  0.0
    131213 958  0.8-  0.4+    131213 H21  0.2-  0.2-    131215 H01  0.1-  0.1-
    
    Ephemeris:
    2013 XZ21                a,e,i = 1.25, 0.38, 32                  q = 0.7768
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2013 11 15    07 34 59.1 -00 43 25   0.6758  1.4123   114.7    39.5    21.9
    ...
    2013 11 30    07 47 41.7 +03 35 16   0.4838  1.3366   127.4    35.9    20.9
    ...
    2013 12 08    07 52 01.1 +08 24 41   0.3884  1.2931   136.1    31.9    20.3
    ...
    2013 12 14    07 53 39.4 +14 12 01   0.3227  1.2592   143.8    27.5    19.7
    2013 12 15    07 53 45.5 +15 25 10   0.3125  1.2535   145.2    26.7    19.6
    2013 12 16    07 53 48.1 +16 43 33   0.3025  1.2477   146.6    25.8    19.5
    ...
    2013 12 22    07 52 30.6 +26 44 46   0.2483  1.2125   154.5    20.5    18.8
    ...
    2013 12 30    07 43 09.6 +47 14 29   0.1999  1.1642   152.4    23.0    18.3
    ...
    2014 01 14    23 50 45.7 +83 30 57   0.2161  1.0711   108.3    60.7    19.4
    
    A. U. Tomatic                (C) Copyright 2013 MPC           M.P.E.C. 2013-X75
    

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