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  • MPEC 2014-X71 : 2014 XA7

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    M.P.E.C. 2014-X71                                Issued 2014 Dec. 14, 14:09 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
    
                                       2014 XA7
    
    Observations:
         K14X07A* C2014 12 10.48033 05 11 00.738-01 11 04.76         20.4 iLEX071F51
         K14X07A  C2014 12 10.50361 05 10 58.398-01 09 56.06         20.4 iLEX071F51
         K14X07A  C2014 12 10.51521 05 10 57.252-01 09 22.04         20.2 iLEX071F51
         K14X07A KC2014 12 11.22541205 09 51.69 -00 33 41.9          20.1 RtEX071W86
         K14X07A KC2014 12 11.22802105 09 51.42 -00 33 33.9          20.1 RtEX071W86
         K14X07A KC2014 12 11.23063905 09 51.15 -00 33 25.9          20.1 RtEX071W86
         K14X07A KC2014 12 11.45959 05 09 28.95 -00 22 12.2          20.5 RoEX071291
         K14X07A KC2014 12 11.46098 05 09 28.83 -00 22 07.7          20.3 RoEX071291
         K14X07A KC2014 12 11.46237 05 09 28.68 -00 22 03.9          20.4 RoEX071291
         K14X07A |C2014 12 12.15362 05 08 24.42 +00 13 53.6          20.7 VuEX071807
         K14X07A |C2014 12 12.15949 05 08 23.80 +00 14 12.2          21.0 VuEX071807
         K14X07A |C2014 12 12.16543 05 08 23.19 +00 14 30.8          21.0 VuEX071807
         K14X07A KC2014 12 12.20890205 08 19.03 +00 16 21.2          20.4 VuEX071H21
         K14X07A KC2014 12 12.21349605 08 18.55 +00 16 35.6          20.4 VuEX071H21
         K14X07A |C2014 12 14.12591 05 05 12.51 +02 00 03.7          20.3 VuEX071807
         K14X07A |C2014 12 14.13076 05 05 11.99 +02 00 20.1          20.3 VuEX071807
         K14X07A |C2014 12 14.13569 05 05 11.49 +02 00 36.3          20.2 VuEX071807
    
    Observer details:
    291 LPL/Spacewatch II.  Observer T. H. Bressi.  1.8-m f/2.7 reflector + CCD.
    807 Cerro Tololo.  Observers T. Linder, R. Holmes.  0.41-m f/11
        Ritchey-Chretien + CCD.
    F51 Pan-STARRS 1, Haleakala.  Observers B. Gibson, T. Goggia, N. Primak,
        A. Schultz, M. Willman.  Measurers K. Chambers, S. Chastel, L. Denneau,
        H. Flewelling, M. Huber, E. Magnier, E. Schunova, R. Wainscoat, C. Waters,
        R. Weryk.  1.8-m Ritchey-Chretien + CCD.
    H21 Astronomical Research Observatory, Westfield.  Observers T. Linder,
        R. Holmes.  Measurers T. Linder, L. Buzzi, S. Foglia, T. Vorobjov.  0.76-m
        f/3.0 astrograph + CCD.
    W86 Cerro Tololo-LCOGT B.  Observer T. Lister.  1.0-m f/8 Ritchey-Chretien
        + CCD.
    
    Orbital elements:
    2014 XA7                                                 Earth MOID = 0.3218 AU
    Epoch 2014 Dec. 9.0 TT = JDT 2457000.5                  MPC
    M 344.49335              (2000.0)            P               Q
    n   0.31140399     Peri.   20.88844     -0.35736719     -0.82517692
    a   2.1556915      Node    92.27313     +0.78274923     -0.52014073
    e   0.4022569      Incl.   25.96392     +0.50950204     +0.22031041
    P   3.17           H   21.0           G   0.15           U   7
    Residuals in seconds of arc
    141210 F51  0.1+  0.0     141211 291  0.0   0.1+    141212 H21  0.3-  0.6-
    141210 F51  0.1-  0.1+    141211 291  0.2+  0.4+    141212 H21  0.4-  0.5-
    141210 F51  0.0   0.1-    141211 291  0.0   0.0     141214 807  0.0   0.0
    141211 W86  0.0   0.2-    141212 807  0.1+  0.1-    141214 807  0.0   0.2+
    141211 W86  0.1-  0.1-    141212 807  0.1-  0.2+    141214 807  0.4+  0.0
    141211 W86  0.2-  0.1-    141212 807  0.1-  0.2+
    
    Ephemeris:
    2014 XA7                 a,e,i = 2.16, 0.40, 26                  q = 1.2885
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2014 11 14    05 34 46.8 -13 21 09   0.5967  1.4654   133.5    29.4    22.0
    ...
    2014 11 29    05 25 45.3 -08 36 45   0.4767  1.4064   145.8    23.3    21.2
    ...
    2014 12 07    05 16 07.2 -03 50 48   0.4263  1.3788   153.0    18.9    20.8
    ...
    2014 12 13    05 07 02.7 +00 58 23   0.3969  1.3600   157.7    16.0    20.5
    2014 12 14    05 05 24.6 +01 52 51   0.3928  1.3571   158.2    15.6    20.5
    2014 12 15    05 03 44.9 +02 49 00   0.3890  1.3542   158.7    15.3    20.5
    ...
    2014 12 21    04 53 22.9 +08 58 14   0.3716  1.3380   159.4    15.0    20.3
    ...
    2014 12 29    04 39 36.6 +18 08 13   0.3642  1.3197   153.6    19.3    20.4
    ...
    2015 01 13    04 20 37.7 +34 47 19   0.3967  1.2964   135.4    32.2    20.9
    
    A. U. Tomatic                (C) Copyright 2014 MPC           M.P.E.C. 2014-X71
    

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