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  • MPEC 2017-A71 : 2017 AB14

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    M.P.E.C. 2017-A71                                Issued 2017 Jan.  9, 16:32 UT
    
         The Minor Planet Electronic Circulars contain information on unusual
             minor planets and routine data on comets.  They are published
        on behalf of Division F 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
    
                                       2017 AB14
    
    Observations:
         K17A14B* C2017 01 07.42841 08 41 14.48 +19 04 39.1          20.1 VqEA071G96
         K17A14B  C2017 01 07.43274 08 41 14.28 +19 04 56.8          20.0 VqEA071G96
         K17A14B  C2017 01 07.43710 08 41 14.13 +19 05 14.3          20.2 VqEA071G96
         K17A14B  C2017 01 07.44142 08 41 13.92 +19 05 31.5          20.4 VqEA071G96
         K17A14B  C2017 01 08.28158 08 41 01.08 +20 00 36.4          20.6 VqEA071G96
         K17A14B  C2017 01 08.28304 08 41 00.98 +20 00 42.2          20.4 VqEA071G96
         K17A14B  C2017 01 08.28598 08 41 00.88 +20 00 53.4          20.7 VqEA071G96
         K17A14B  C2017 01 08.28767 08 41 00.80 +20 01 00.4          20.5 VqEA071G96
         K17A14B KC2017 01 08.31209808 40 58.35 +20 02 29.2          20.3 VuEA071H21
         K17A14B KC2017 01 08.31647508 40 58.16 +20 02 46.0          20.3 VuEA071H21
         K17A14B KC2017 01 08.32250308 40 57.92 +20 03 09.0          20.5 VuEA071H21
         K17A14B  C2017 01 08.34647 08 40 58.30 +20 04 48.5          20.9 VqEA071I52
         K17A14B  C2017 01 08.34758 08 40 58.26 +20 04 52.4          20.7 VqEA071I52
         K17A14B  C2017 01 08.34869 08 40 58.21 +20 04 55.7          20.8 VqEA071I52
         K17A14B  C2017 01 08.34980 08 40 58.11 +20 05 01.0          21.4 VqEA071I52
         K17A14B  C2017 01 09.29808 08 40 38.52 +21 04 01.3          22.5 VqEA071I52
         K17A14B  C2017 01 09.29919 08 40 38.52 +21 04 05.1          21.0 VqEA071I52
         K17A14B  C2017 01 09.30043 08 40 38.41 +21 04 10.6          20.6 VqEA071I52
         K17A14B  C2017 01 09.30284 08 40 38.36 +21 04 19.1          21.3 VqEA071I52
         K17A14B  C2017 01 09.35816 08 40 35.89 +21 07 41.9          20.3 VqEA071G96
         K17A14B  C2017 01 09.36249 08 40 35.66 +21 07 57.3          20.6 VqEA071G96
         K17A14B  C2017 01 09.36680 08 40 35.48 +21 08 13.0          20.7 VqEA071G96
         K17A14B  C2017 01 09.37109 08 40 35.25 +21 08 28.8          20.2 VqEA071G96
    
    Observer details:
    G96 Mt. Lemmon Survey.  Observer R. A. Kowalski.  Measurers E. J. Christensen,
        D. C. Fuls, A. R. Gibbs, A. D. Grauer, J. A. Johnson, R. A. Kowalski,
        S. M. Larson, G. J. Leonard, R. G. Matheny, R. L. Seaman, F. C. Shelly.
        1.5-m reflector + 10K CCD.
    H21 Astronomical Research Observatory, Westfield.  Observer R. Holmes.
        Measurers S. Foglia, L. Buzzi, T. Linder, R. Holmes.  0.61-m f/4.5
        astrograph + CCD.
    I52 Steward Observatory, Mt. Lemmon Station.  Observer R. G. Matheny.
        Measurers E. J. Christensen, D. C. Fuls, A. R. Gibbs, A. D. Grauer,
        J. A. Johnson, R. A. Kowalski, S. M. Larson, G. J. Leonard, R. G. Matheny,
        R. L. Seaman, F. C. Shelly.  1.0-m reflector + CCD.
    
    Orbital elements:
    2017 AB14                                                Earth MOID = 0.0683 AU
    Epoch 2017 Feb. 16.0 TT = JDT 2457800.5                 MPC
    M  43.61327              (2000.0)            P               Q
    n   0.48602241     Peri.  305.72083     +0.57052558     -0.80993879
    a   1.6021328      Node   108.93362     +0.79229538     +0.49918124
    e   0.3878161      Incl.    8.26742     +0.21626048     +0.30792408
    P   2.03           H   23.7           G   0.15           U   6
    Residuals in seconds of arc
    170107 G96  0.1+  0.4-    170108 H21  0.3+  0.2+    170109 I52  0.0   0.6-
    170107 G96  0.3-  0.0     170108 H21  0.2+  0.2+    170109 I52  0.7-  0.3+
    170107 G96  0.1+  0.2+    170108 H21  0.4+  0.1+    170109 I52  0.0   0.1-
    170107 G96  0.4-  0.2+    170108 I52  0.2+  0.4+    170109 G96  0.5+  0.3+
    170108 G96  0.4+  0.0     170108 I52  0.3+  0.0     170109 G96  0.0   0.0
    170108 G96  0.2-  0.1+    170108 I52  0.3+  0.9-    170109 G96  0.3+  0.0
    170108 G96  0.1+  0.2-    170108 I52  0.4-  0.1+    170109 G96  0.2-  0.3+
    170108 G96  0.1-  0.2+    170109 I52  0.6-  0.3-
    
    Ephemeris:
    2017 AB14                a,e,i = 1.60, 0.39, 8                   q = 0.9808
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2016 12 10    08 12 50.6 -39 36 20   0.08291 1.0082   104.1    71.3    20.8
    ...
    2016 12 25    08 39 44.0 -02 11 30   0.09672 1.0557   136.4    40.0    20.3
    ...
    2017 01 02    08 42 12.8 +12 04 00   0.1183  1.0885   151.2    25.8    20.4
    ...
    2017 01 08    08 41 04.8 +19 42 38   0.1397  1.1158   160.1    17.4    20.6
    2017 01 09    08 40 43.7 +20 45 59   0.1437  1.1205   161.4    16.3    20.6
    2017 01 10    08 40 20.6 +21 45 58   0.1478  1.1253   162.6    15.2    20.6
    ...
    2017 01 16    08 37 29.5 +26 42 47   0.1746  1.1550   168.0    10.2    20.9
    ...
    2017 01 24    08 33 12.0 +31 03 01   0.2162  1.1967   168.1     9.8    21.4
    ...
    2017 02 08    08 28 34.2 +34 36 24   0.3128  1.2795   156.5    17.9    22.6
    
    A. U. Tomatic                (C) Copyright 2017 MPC           M.P.E.C. 2017-A71
    

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