[Iaude] MPEC A99: 2014 XD8 [a=2.44,e=0.56,i=16.2,H=18.9]

mpec at mpcdb1.cfa.harvard.edu mpec at mpcdb1.cfa.harvard.edu
Sun Jan 6 19:35:17 EST 2019


M.P.E.C. 2019-A99                                Issued 2019 Jan. 7, 00:30 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


                                   2014 XD8
 
                           Revision to MPEC 2014-Y05
 
Additional Observations:
     K14X08D KC2019 01 04.40683910 41 52.03 +26 18 34.2          22.2 VuEA099H21
     K14X08D KC2019 01 04.41799310 41 51.49 +26 18 37.1          22.1 VuEA099H21
     K14X08D KC2019 01 04.43468210 41 50.73 +26 18 41.5          22.4 VuEA099H21
     K14X08D KC2019 01 06.38201010 40 14.20 +26 27 07.9          22.3 VuEA099H21
     K14X08D KC2019 01 06.38910910 40 13.80 +26 27 10.3          22.3 VuEA099H21
     K14X08D KC2019 01 06.39742210 40 13.35 +26 27 12.7          22.6 VuEA099H21
 
Observer details:
H21 Astronomical Research Observatory, Westfield.  Observer R. Holmes.
    Measurers S. Foglia, L. Buzzi, T. Linder, R. Holmes.  1.3-m f/4.0
    astrograph + CCD.
 
First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
190104 H21 25.5+ 32.3-    190106 H21 26.8+ 31.9-    MPO438010   -0.033 day
 
Orbital elements:
2014 XD8                                                 Earth MOID = 0.1099 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5                 MPC
M  74.88581              (2000.0)            P               Q
n   0.25846239     Peri.   26.60190     +0.94722799     -0.31799003
a   2.4408316      Node   351.62902     +0.22140437     +0.74038287
e   0.5553647      Incl.   16.15863     +0.23181725     +0.59221241
P   3.81           H   18.9           G   0.15           U   2
Residuals in seconds of arc
141213 F51  0.1-  0.1-    141219 291  0.2+  0.2+    150110 H21  0.2+  0.1-
141213 F51  0.1-  0.1-    141226 H21  0.3-  0.2+    150110 H21  0.1-  0.3-
141213 F51  0.1+  0.1-    141226 H21  0.2-  0.1+    150110 H21  0.1+  0.1-
141213 F51  0.1-  0.1+    141226 H21  0.1-  0.5+    150111 F51  0.0   0.0
141213 F51  0.1+  0.0     141226 H21  0.1+  0.1+    150111 F51  0.1+  0.1-
141213 F51  0.0   0.1-    141226 H21  0.1+  0.2-    150111 F51  0.2-  0.2-
141214 568  0.0   0.1-    141227 703  0.6+  1.2+    150209 291  0.3+  0.6-
141214 568  0.1-  0.1-    141227 703  0.4+  0.1+    150209 291  0.1+  0.1+
141214 568  0.0   0.1-    141227 703  0.5+  1.0-    150209 291  0.9-  1.0+
141215 291  0.2-  0.0     141229 F51  0.0   0.2-    150217 H21  0.5+  0.9+
141215 291  0.3+  0.3+    141229 F51  0.0   0.2-    150217 H21  0.4+  0.2-
141215 291  0.1-  0.3+    141229 F51  0.1+  0.2-    150217 H21  1.1+  0.9-
141217 461  0.4-  0.5+    141230 705  0.0   0.1-    190104 H21  0.5-  0.2-
141217 461  0.0   0.4+    141230 705  0.1+  0.2-    190104 H21  0.3-  0.1-
141219 204  0.2-  0.1+    141230 705  0.0   0.2-    190104 H21  0.5+  0.1+
141219 204  0.3-  0.0     150105 448 (1.5-  0.5-)   190106 H21  0.2+  0.4-
141219 204  0.0   0.2+    150105 448  0.3-  0.0     190106 H21  0.0   0.2+
141219 291  0.0   0.1-    150105 448  0.0   0.2-    190106 H21  0.1+  0.4+

Ephemeris:
2014 XD8                 a,e,i = 2.44, 0.56, 16                  q = 1.0853
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2018 12 08    10 46 49.3 +25 15 55   1.4819  1.9386   101.7    29.8    22.5
...
2018 12 23    10 48 08.9 +25 34 50   1.4117  2.0447   116.1    25.6    22.4
...
2018 12 31    10 44 53.3 +26 00 47   1.3799  2.1001   124.6    22.7    22.3
...
2019 01 06    10 40 34.0 +26 25 29   1.3608  2.1411   131.3    20.2    22.2
2019 01 07    10 39 41.5 +26 29 53   1.3582  2.1479   132.4    19.8    22.2
2019 01 08    10 38 46.5 +26 34 22   1.3557  2.1547   133.6    19.3    22.2
...
2019 01 14    10 32 24.4 +27 01 51   1.3446  2.1951   140.6    16.5    22.1
...
2019 01 22    10 21 52.5 +27 37 03   1.3417  2.2481   149.9    12.7    22.0
...
2019 02 06    09 58 11.1 +28 20 34   1.3808  2.3450   164.2     6.6    21.9

A. U. Tomatic                (C) Copyright 2019 MPC           M.P.E.C. 2019-A99



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