[Iaude] MPEC A165: 2016 PX66 [a=2.14,e=0.50,i=20.2,H=18.6]

mpec at mpcdb1.cfa.harvard.edu mpec at mpcdb1.cfa.harvard.edu
Thu Jan 10 13:03:18 EST 2019


M.P.E.C. 2019-A165                               Issued 2019 Jan. 10, 18:00 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 PX66
 
                           Revision to MPEC 2016-Q02
 
Additional Observations:
     K16P66X KC2019 01 06.41362912 44 03.54 -01 00 42.4          22.3 VuEA165H21
     K16P66X KC2019 01 06.42092912 44 04.13 -01 00 49.9          22.4 VuEA165H21
     K16P66X KC2019 01 10.42428712 49 36.32 -02 11 11.7          22.0 VuEA165H21
     K16P66X KC2019 01 10.43038412 49 36.79 -02 11 18.0          22.1 VuEA165H21
     K16P66X KC2019 01 10.43607412 49 37.23 -02 11 23.9          22.0 VuEA165H21
 
Observer details:
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.
 
First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
190106 H21 25.0+ 22.5-    190110 H21 26.4+ 23.3-    MPO438026   -0.019 day
 
Orbital elements:
2016 PX66                                                Earth MOID = 0.2936 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5                 MPC
M 347.90389              (2000.0)            P               Q
n   0.31530704     Peri.  277.15301     -0.10378433     +0.99111317
a   2.1378650      Node   346.04283     -0.72062842     -0.13259304
e   0.4961650      Incl.   20.18047     -0.68550966     -0.01066609
P   3.13           H   18.6           G   0.15           U   2
Residuals in seconds of arc
160810 F51  0.2+  0.1-    160830 H21  0.0   0.1-    161002 I52  0.6-  0.2-
160810 F51  0.2+  0.1-    160902 H21  0.9+  0.0     161002 I52  0.1+  0.5+
160810 F51  0.2+  0.1-    160902 H21  0.1-  0.0     161002 I52  0.2-  0.1-
160812 658  0.3+  0.4+    160903 691  0.2+  0.0     161004 754  0.1+  0.1+
160812 658  0.1+  0.2+    160903 691  0.2-  0.3+    161004 754  0.1+  0.1+
160812 658  0.4+  0.2+    160903 691  0.8-  0.0     161006 G96  0.8+  0.1-
160814 H36  0.6+  0.1-    160904 691  0.2-  0.1+    161006 G96  0.2+  0.2+
160814 H36  0.1-  0.1+    160904 691  0.3+  0.1-    161006 G96  0.3+  0.0
160814 H36  0.2-  0.1+    160904 691  0.2+  0.2-    161006 G96  0.6+  0.1+
160814 291  0.1-  0.1-    160906 G96  0.0   0.6+    161009 F51  0.1+  0.1-
160814 291  0.1-  0.1+    160906 G96  0.4+  0.4+    161009 F51  0.3+  0.1-
160814 291  0.2-  0.3+    160906 G96  0.3+  0.2-    161009 F51  0.1+  0.1-
160816 J95  0.5-  0.1-    160906 691  0.1-  0.6+    161020 G96  0.5-  0.4-
160816 J95  0.7+  0.4-    160906 G96  0.2-  0.0     161020 G96  0.7+  0.1+
160816 705  0.3+  0.0     160906 691  0.4-  0.1+    161020 G96  0.5+  0.6+
160816 705  0.4+  0.0     160906 691  0.0   0.3-    161020 G96  1.0+  0.2+
160816 705  0.5+  0.1-    160909 691  0.4+  0.2+    161105 H21  1.1-  0.1-
160829 705  0.2+  0.0     160909 691  0.2-  0.4-    161105 H21  0.9-  0.2-
160829 705  0.0   0.1-    160909 691  0.1+  0.2+    161105 H21  0.8-  0.0
160829 705  0.2+  0.1-    161001 G96  0.3+  0.4+    161107 H21  0.4+  0.4-
160829 H21  0.1+  0.5-    161001 G96  0.5-  0.3+    161107 H21  0.5+  0.0
160829 H21  0.6+  0.2+    161001 G96  0.1+  0.5+    161107 H21  0.3+  0.0
160829 H21  0.2+  0.2-    161001 G96  0.4+  0.4+    190106 H21  0.0   0.1-
160829 691  0.1-  0.2+    161001 G96  0.4-  0.2-    190106 H21  0.1-  0.1-
160829 691  1.5-  0.1+    161001 G96  0.5-  0.2-    190110 H21  0.3+  0.2-
160829 691  0.2-  0.3-    161001 G96  0.5-  0.1-    190110 H21  0.0   0.1+
160830 H21  0.0   0.1-    161001 G96  0.6-  0.1+    190110 H21  0.3-  0.3+
160830 H21  0.2-  0.0     161002 I52  0.4+  0.1-

Ephemeris:
2016 PX66                a,e,i = 2.14, 0.50, 20                  q = 1.0771
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2018 12 11    12 05 55.0 +05 50 14   1.9478  2.0186    79.7    28.7    22.8
...
2018 12 26    12 27 52.5 +02 06 39   1.6835  1.9248    88.3    30.7    22.5
...
2019 01 03    12 39 16.4 -00 02 42   1.5443  1.8736    93.0    31.6    22.3
...
2019 01 09    12 47 38.4 -01 45 45   1.4415  1.8347    96.5    32.2    22.1
2019 01 10    12 49 01.1 -02 03 30   1.4245  1.8282    97.1    32.3    22.0
2019 01 11    12 50 23.5 -02 21 27   1.4076  1.8216    97.7    32.3    22.0
...
2019 01 17    12 58 31.0 -04 13 18   1.3073  1.7822   101.2    32.8    21.8
...
2019 01 25    13 09 02.5 -06 55 44   1.1775  1.7292   105.9    33.2    21.5
...
2019 02 09    13 27 34.6 -12 57 29   0.9491  1.6287   114.6    33.4    20.9

A. U. Tomatic                (C) Copyright 2019 MPC           M.P.E.C. 2019-A165



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