[Iaude] MPEC F68: 2016 XO23 [a=2.10,e=0.62,i=4.4,H=20.6,PHA]

mpec at mpcdb1.cfa.harvard.edu mpec at mpcdb1.cfa.harvard.edu
Sun Mar 24 13:51:17 EDT 2019


M.P.E.C. 2019-F68                                Issued 2019 Mar. 24, 17:47 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 XO23
 
                           Revision to MPEC 2016-Y03
 
Additional Observations:
     K16X23O  C2011 07 25.44963121 17 53.424-08 00 30.60         22.1 GVEF068F51
     K16X23O  C2011 07 25.46487621 17 52.079-08 00 35.68         23.5 GVEF068F51
     K16X23O KC2014 07 09.51268021 17 38.252-08 07 44.25         22.4 GVEF068F51
     K16X23O KC2014 07 28.44266620 48 15.963-09 56 37.45         24.0 GVEF068F51
     K16X23O  C2014 08 03.43414320 39 07.371-10 35 55.61         23.2 GVEF068F51
     K16X23O  C2014 08 03.44468820 39 06.401-10 36 00.17         22.3 GVEF068F51
     K16X23O  C2014 08 03.46576220 39 04.483-10 36 08.29         23.1 GVEF068F51
     K16X23O KC2014 08 04.38025720 37 44.230-10 42 06.45         22.5 GVEF068F51
     K16X23O  C2017 07 01.56782621 02 14.976-09 11 06.46         22.4 GVEF068F51
     K16X23O  C2017 07 01.57754621 02 14.049-09 11 08.91         22.6 GVEF068F51
     K16X23O  C2017 07 01.59698921 02 12.180-09 11 13.13         22.9 GVEF068F51
     K16X23O  C2017 07 21.43934720 28 26.819-10 57 29.01               VEF068F51
 
Observer details:
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.  1.8-m Ritchey-Chretien + CCD.
 
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
110725 F51 0.06- 0.02-    170721 F51  0.4-  0.4+    MPO411583   -0.089 day
 
Orbital elements:
2016 XO23                                           PHA, Earth MOID = 0.0035 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5                 MPC
M 259.65542              (2000.0)            P               Q
n   0.32354658     Peri.  299.38623     -0.99664274     -0.05064580
a   2.1014135      Node   237.77968     +0.07048469     -0.93050677
e   0.6197473      Incl.    4.36092     -0.04165529     -0.36275634
P   3.05           H   20.6           G   0.15           U   1
Residuals in seconds of arc
110725 F51  0.0   0.4-    161209 I52  0.8-  0.7-    161228 807  0.2+  0.0
110725 F51  0.6+  0.1+    161209 I52  1.1-  0.2+    161228 H21  0.2+  0.8+
140709 F51  0.5-  0.2-    161209 691  0.3+  0.2-    161228 H21  0.1-  0.5+
140728 F51  0.1+  0.2-    161209 691  0.9+  0.7-    170101 474  0.2+  0.1+
140803 F51  0.0   0.2+    161209 691  0.2+  0.1-    170101 474  0.2+  0.1-
140803 F51  0.1-  0.2-    161213 204  0.4-  0.6+    170101 474  0.3+  0.0
140803 F51  0.0   0.1-    161213 204  0.6-  0.3-    170101 474  0.4+  0.1-
140804 F51  0.4-  0.8+    161215 H01  0.0   0.0     170527 T12  0.1-  0.0
161208 G96  0.1+  0.1+    161215 H01  0.1+  0.1+    170527 T12  0.0   0.1-
161208 G96  0.1-  0.1+    161215 H01  0.2+  0.1+    170528 T12  0.1+  0.0
161208 G96  0.2+  0.3+    161215 H01  0.0   0.1-    170528 T12  0.0   0.0
161208 G96  0.3-  0.0     161227 I52  0.1+  0.3-    170701 F51  0.2-  0.0
161208 G96  0.1+  0.4+    161227 I52  0.9-  0.4-    170701 F51  0.0   0.2-
161208 G96  0.1+  0.3-    161227 I52  0.5-  0.1+    170701 F51  0.3+  0.1+
161208 G96  0.5+  0.1+    161227 I52  0.2-  0.1+    170721 F51  0.2-  0.4+
161209 I52 (1.6-  0.7-)   161228 807  0.2+  0.0
161209 I52  0.8-  0.5-    161228 807  0.1-  0.1-

Ephemeris:
2016 XO23                a,e,i = 2.10, 0.62, 4                   q = 0.7991
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2019 02 22    00 18 04.0 +04 29 57   3.9167  3.1363    33.2     9.9    26.7
...
2019 03 09    00 35 07.4 +06 09 48   3.9811  3.0894    22.7     7.1    26.6
...
2019 03 17    00 44 39.0 +07 05 42   3.9981  3.0627    17.3     5.5    26.5
...
2019 03 23    00 51 58.0 +07 48 28   4.0029  3.0420    13.3     4.3    26.4
2019 03 24    00 53 12.0 +07 55 39   4.0030  3.0385    12.7     4.1    26.4
2019 03 25    00 54 26.2 +08 02 51   4.0030  3.0349    12.0     3.9    26.4
...
2019 03 31    01 01 56.2 +08 46 20   3.9986  3.0133     8.2     2.7    26.3
...
2019 04 08    01 12 08.2 +09 44 52   3.9822  2.9834     3.3     1.1    26.1
...
2019 04 23    01 31 48.6 +11 35 04   3.9191  2.9241     7.0     2.4    26.2

A. U. Tomatic                (C) Copyright 2019 MPC           M.P.E.C. 2019-F68



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