[Iaude] MPEC A238: 2019 AB11 [a=2.50,e=0.63,i=24.5,H=20.1]

mpec at mpcdb1.cfa.harvard.edu mpec at mpcdb1.cfa.harvard.edu
Tue Jan 15 10:19:17 EST 2019


M.P.E.C. 2019-A238                               Issued 2019 Jan. 15, 15:15 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 AB11
 
Observations:
     K19A11B* C2019 01 09.37237 07 37 48.111+28 58 48.37         22.4 wUEA238F51
     K19A11B  C2019 01 09.38432 07 37 46.567+28 58 42.91         22.0 wUEA238F51
     K19A11B  C2019 01 09.39627 07 37 45.035+28 58 37.15         22.1 wUEA238F51
     K19A11B KC2019 01 11.18383607 33 58.93 +28 43 36.2          21.9 VuEA238H21
     K19A11B KC2019 01 11.19745907 33 57.12 +28 43 29.1          21.5 VuEA238H21
     K19A11B KC2019 01 11.21372807 33 54.99 +28 43 20.4          21.8 VuEA238H21
     K19A11B KC2019 01 11.47726 07 33 20.58 +28 41 01.4          21.5 RoEA238291
     K19A11B KC2019 01 11.48702 07 33 19.31 +28 40 56.3          21.5 RoEA238291
     K19A11B KC2019 01 11.49152 07 33 18.68 +28 40 53.3          21.3 RoEA238291
     K19A11B KC2019 01 15.42127 07 24 40.58 +28 03 13.4          22.4 RoEA238291
     K19A11B KC2019 01 15.42812 07 24 39.62 +28 03 09.2          22.1 RoEA238291
     K19A11B KC2019 01 15.43499 07 24 38.72 +28 03 04.2                oEA238291
 
Observer details:
291 LPL/Spacewatch II.  Observers M. J. Brucker, J. V. Scotti.  1.8-m f/2.7
    reflector + CCD.
F51 Pan-STARRS 1, Haleakala.  Observers J. Bulger, T. Lowe, A. Schultz,
    M. Willman.  Measurers K. Chambers, S. Chastel, L. Denneau, J. Fairlamb,
    H. Flewelling, M. Huber, C.-C. Lin, E. Magnier, Y. Ramanjooloo,
    R. Wainscoat, R. Weryk.  1.8-m Ritchey-Chretien + CCD.
H21 Astronomical Research Observatory, Westfield.  Observer R. Holmes.
    Measurers S. Foglia, L. Buzzi, T. Linder, R. Holmes.  0.81-m f/4.0
    astrograph + CCD.
 
Orbital elements:
2019 AB11                                                Earth MOID = 0.1870 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5                 MPC
M 349.09548              (2000.0)            P               Q
n   0.24996263     Peri.  283.85067     -0.66456115     +0.65201236
a   2.4958548      Node   298.29185     -0.41752572     -0.72913264
e   0.6253404      Incl.   24.49016     -0.61970215     -0.20795546
P   3.94           H   20.1           G   0.15           U   8
Residuals in seconds of arc
190109 F51  0.1+  0.1-    190111 H21  0.5-  0.2+    190111 291  0.2-  0.3-
190109 F51  0.0   0.1+    190111 H21  0.4-  0.1-    190115 291  0.0   0.1+
190109 F51  0.0   0.0     190111 291  0.3+  0.0     190115 291  0.3-  0.2+
190111 H21  0.2-  0.3+    190111 291  0.4+  0.3+    190115 291  0.3+  0.4-

Ephemeris:
2019 AB11                a,e,i = 2.50, 0.63, 24                  q = 0.9351
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2018 12 16    08 14 21.4 +30 52 58   1.3304  2.2003   143.4    15.5    23.3
...
2018 12 31    07 55 25.8 +29 59 25   1.1280  2.0844   161.6     8.5    22.5
...
2019 01 08    07 40 36.9 +29 09 29   1.0438  2.0209   171.0     4.4    22.1
...
2019 01 14    07 27 51.1 +28 17 35   0.9931  1.9725   172.6     3.7    21.9
2019 01 15    07 25 37.6 +28 07 35   0.9857  1.9643   171.9     4.1    21.9
2019 01 16    07 23 23.1 +27 57 12   0.9786  1.9562   171.0     4.5    21.9
...
2019 01 22    07 09 41.1 +26 46 33   0.9426  1.9070   163.6     8.4    22.0
...
2019 01 30    06 51 41.1 +24 51 47   0.9112  1.8404   152.1    14.5    22.0
...
2019 02 14    06 23 49.1 +20 35 19   0.8964  1.7131   130.8    25.9    22.2

A. U. Tomatic                (C) Copyright 2019 MPC           M.P.E.C. 2019-A238



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