[Iaude] MPEC Y105: 2016 AU192 [a=1.14,e=0.38,i=24.1,H=21.9]

[mpec at marsden.cfa.harvard.edu]

M.P.E.C. 2020-Y105                            Issued 2020 December 23, 15:00 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

                                   2016 AU192                                   


                           Revision to MPEC 2016-B16                            

Additional Observations:
     K16AJ2U  C2016 11 29.37591601 27 06.966+52 17 43.51         23.39GVEY105T12
     K16AJ2U  C2016 11 29.38771701 27 06.530+52 17 12.12         23.06GVEY105T12
     K16AJ2U  C2020 12 18.36064610 53 46.467-10 53 26.43         23.41GVEY105304
     K16AJ2U  C2020 12 18.36401310 53 46.820-10 53 36.00         23.49GVEY105304
     K16AJ2U  C2020 12 22.64062611 01 40.672-14 24 04.67         23.14GVEY105T14
     K16AJ2U  C2020 12 22.64276011 01 40.900-14 24 11.21         23.20GVEY105T14
     K16AJ2U  C2020 12 22.64489611 01 41.132-14 24 17.83         23.15GVEY105T14

Observer details:
304 Las Campanas Observatory.  Observer S. S. Sheppard.  Measurers D. J.
    Tholen, S. S. Sheppard.  6.5-m f/2.4 reflector.
T12 Mauna Kea-UH/Tholen NEO Follow-Up (2.24-m).  Observer Y. Ramanjooloo.
    Measurer D. J. Tholen.  2.24-m f/10.1 reflector + CCD.
T14 Mauna Kea-UH/Tholen NEO Follow-Up (CFHT).  Observer L. Wells.  Measurer D.
    J. Tholen.  3.6-m f/4.1 reflector + MegaCam.

First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
161129 T12 0.00+ 0.01+    201222 T14 0.06+ 0.03+    MPO365057   -0.07 days

Orbital elements:
2016 AU192                                               Earth MOID = 0.2919 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5                 Veres
M 263.84775              (2000.0)            P               Q
n   0.81441986     Peri.  337.89902     -0.20213103     +0.89258957
a   1.1356308      Node   278.54286     -0.82646962     -0.37624956
e   0.3847398      Incl.   24.05064     -0.52544363     +0.24843537
P   1.21           H   21.9           G   0.15           U   0
Residuals in seconds of arc
160104 F51  0.1-  0.1-    160107 J04  0.1+  0.1+    161129 T12  0.0   0.0
160104 F51  0.1-  0.1-    160109 926  0.1+  0.2+    201218 304  0.0   0.0
160104 F51  0.0   0.0     160109 926  0.1-  0.6+    201218 304  0.0   0.1-
160107 F51  0.1-  0.1+    160205 568  0.0   0.0     201222 T14  0.0   0.0
160107 F51  0.1+  0.2-    160205 568  0.0   0.1-    201222 T14  0.0   0.0
160107 J04  0.1-  0.0     161129 T12  0.0   0.0     201222 T14  0.0   0.0

Ephemeris:
2016 AU192               a,e,i = 1.14, 0.38, 24                  q = 0.6987
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2020 11 23    10 08 55.9 +05 02 20   1.0587  1.4284    88.5    43.7    24.5
...
2020 12 08    10 35 17.1 -03 29 38   0.8799  1.3681    94.2    45.9    24.0
...
2020 12 16    10 49 29.8 -09 04 34   0.7908  1.3317    96.6    47.2    23.8
...
2020 12 22    11 00 28.6 -13 51 18   0.7283  1.3025    98.0    48.4    23.6
2020 12 23    11 02 21.1 -14 42 24   0.7183  1.2975    98.1    48.6    23.6
2020 12 24    11 04 14.7 -15 34 29   0.7085  1.2924    98.3    48.9    23.5
...
2020 12 30    11 16 03.1 -21 08 51   0.6525  1.2611    98.9    50.4    23.3
...
2021 01 07    11 33 40.3 -29 36 28   0.5873  1.2168    98.4    53.1    23.1
...
2021 01 22    12 20 25.9 -48 22 53   0.5014  1.1271    92.9    60.7    22.8

A. U. Tomatic                (C) Copyright 2020 MPC           M.P.E.C. 2020-Y105