[Iaude] MPEC A106: 2019 AT4 [a=2.16,e=0.41,i=9.3,H=22.2]

mpec at mpcdb1.cfa.harvard.edu mpec at mpcdb1.cfa.harvard.edu
Mon Jan 7 07:11:17 EST 2019


M.P.E.C. 2019-A106                               Issued 2019 Jan. 7, 12:06 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 at CFA.HARVARD.EDU
            URL https://www.minorplanetcenter.net/    ISSN 1523-6714


                                   2019 AT4
 
Observations:
     K19A04T  C2018 12 17.57451807 46 03.309+31 01 14.97         22.4 GVEA106F51
     K19A04T  C2018 12 17.58681307 46 03.516+31 01 28.89         23.0 GVEA106F51
     K19A04T  C2018 12 17.59915007 46 03.754+31 01 42.84         22.5 GVEA106F51
     K19A04T  C2018 12 17.61143707 46 03.965+31 01 56.47         22.7 GVEA106F51
     K19A04T* C2019 01 04.47797 07 47 21.773+37 39 54.21         21.9 wUEA106F51
     K19A04T  C2019 01 04.48914 07 47 21.505+37 40 10.65         22.1 wUEA106F51
     K19A04T  C2019 01 04.50025 07 47 21.215+37 40 26.69         21.8 wUEA106F51
     K19A04T  C2019 01 04.51142 07 47 20.946+37 40 42.87         21.9 wUEA106F51
     K19A04T ^C2019 01 05.51679 07 47 04.299+38 05 22.16         22.02GVEA106568
     K19A04T ^C2019 01 05.52048 07 47 04.207+38 05 27.64         21.88GVEA106568
     K19A04T KC2019 01 06.18956607 46 53.22 +38 21 47.3          22.0 VuEA106H21
     K19A04T KC2019 01 06.20293907 46 52.94 +38 22 07.0          21.8 VuEA106H21
     K19A04T KC2019 01 06.21970207 46 52.45 +38 22 32.4          21.8 VuEA106H21
 
Observer details:
568 Mauna Kea.  Observer Y. Ramanjooloo.  Measurers R. Weryk, Y. Ramanjooloo,
    R. Wainscoat.  2.24-m University of Hawaii reflector + CCD.
F51 Pan-STARRS 1, Haleakala.  Observers J. Bulger, K. Chambers, T. Lowe,
    E. Magnier, A. Schultz, M. Willman.  Measurers S. Chastel, M. Huber,
    Y. Ramanjooloo, R. Wainscoat, R. Weryk, K. Chambers, L. Denneau,
    J. Fairlamb, H. Flewelling, C.-C. Lin, E. Magnier.  1.8-m
    Ritchey-Chretien + CCD.
H21 Astronomical Research Observatory, Westfield.  Observer R. Holmes.
    Measurers S. Foglia, L. Buzzi, T. Linder, R. Holmes.  0.76-m f/3.0
    astrograph + CCD.
 
Orbital elements:
2019 AT4                                                 Earth MOID = 0.3382 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5                 MPC
M  13.50196              (2000.0)            P               Q
n   0.31078460     Peri.   85.82134     -0.91643801     -0.36899049
a   2.1585547      Node    72.46840     +0.27129209     -0.85737691
e   0.4094894      Incl.    9.34756     +0.29418016     -0.35881868
P   3.17           H   22.2           G   0.15           U   6
Residuals in seconds of arc
181217 F51  0.0   0.0     190104 F51  0.1+  0.1+    190106 H21  0.4-  0.2+
181217 F51  0.1-  0.0     190104 F51  0.1-  0.0     190106 H21  0.4+  0.2-
181217 F51  0.1+  0.1+    190104 F51  0.0   0.1-    190106 H21  0.3-  0.1+
181217 F51  0.1-  0.1-    190105 568  0.2+  0.1-
190104 F51  0.0   0.0     190105 568  0.3+  0.1+

Ephemeris:
2019 AT4                 a,e,i = 2.16, 0.41, 9                   q = 1.2746
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2018 12 08    07 40 37.1 +28 17 34   0.6549  1.5583   142.9    22.4    23.3
...
2018 12 23    07 47 43.5 +32 50 49   0.5361  1.4876   155.3    16.1    22.6
...
2018 12 31    07 48 09.9 +35 51 38   0.4881  1.4523   160.4    13.2    22.2
...
2019 01 06    07 46 56.1 +38 17 08   0.4594  1.4272   162.0    12.3    22.0
2019 01 07    07 46 36.9 +38 41 44   0.4552  1.4232   162.0    12.3    22.0
2019 01 08    07 46 15.8 +39 06 21   0.4512  1.4192   161.9    12.4    22.0
...
2019 01 14    07 43 39.5 +41 32 21   0.4308  1.3959   159.9    14.0    21.9
...
2019 01 22    07 39 33.4 +44 32 50   0.4125  1.3674   154.3    18.2    21.9
...
2019 02 06    07 35 14.1 +48 39 31   0.4011  1.3228   141.2    27.8    22.1

A. U. Tomatic                (C) Copyright 2019 MPC           M.P.E.C. 2019-A106



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