[Iaude] MPEC F115: 2018 RA5 [a=1.33,e=0.71,i=37.6,H=19.4]

mpec at mpcdb1.cfa.harvard.edu mpec at mpcdb1.cfa.harvard.edu
Wed Mar 27 21:39:17 EDT 2019


M.P.E.C. 2019-F115                               Issued 2019 Mar. 28, 01:36 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


                                   2018 RA5
 
                          Revision to MPEC 2018-R137
 
Additional Observations:
     K18R05A  C2009 09 17.41854922 45 19.302+03 32 57.16         21.8 GVEF115F51
     K18R05A  C2009 09 17.42121122 45 19.015+03 32 53.27         21.9 GVEF115F51
     K18R05A  C2009 09 17.42728522 45 18.369+03 32 43.92         21.8 GVEF115F51
     K18R05A  C2009 09 17.42984422 45 18.092+03 32 39.95         21.5 GVEF115F51
     K18R05A  C2014 08 25.60290301 58 33.979+01 00 12.83         22.3 GVEF115F51
     K18R05A  C2014 08 25.61052501 58 33.808+01 00 05.42         22.5 GVEF115F51
     K18R05A  C2014 08 25.61814101 58 33.670+00 59 58.06         22.8 GVEF115F51
     K18R05A  C2014 08 27.58604301 57 57.627+00 26 51.87         23.8 GVEF115F51
     K18R05A  C2014 08 27.59763801 57 57.356+00 26 39.58         22.5 GVEF115F51
     K18R05A  C2014 08 27.60924301 57 57.085+00 26 27.91         22.8 GVEF115F51
     K18R05A  C2014 08 27.62084601 57 56.833+00 26 15.66         22.7 GVEF115F51
     K18R05A  C2014 10 03.42620101 16 19.821-14 13 03.32         21.2 GVEF115F51
     K18R05A  C2014 10 03.43946101 16 18.291-14 13 24.60         21.4 GVEF115F51
     K18R05A  C2014 10 03.46595101 16 15.241-14 14 08.04         22.8 GVEF115F51
     K18R05A  C2014 11 24.25499623 52 37.382-27 02 46.27         22.6 GVEF115F51
     K18R05A  C2014 11 24.26534223 52 36.962-27 02 47.02         22.1 GVEF115F51
     K18R05A  C2014 11 24.28603023 52 36.092-27 02 48.76         22.1 GVEF115F51
     K18R05A  C2014 11 26.20464323 51 28.153-27 04 48.24         22.3 GVEF115F51
     K18R05A  C2014 11 26.23622923 51 26.981-27 04 49.70         22.6 GVEF115F51
 
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, reference and Delta-T
090917 F51 71.2+ 22.5-    141126 F51 15.9+ 32.7-    MPO461091   +0.0019 day
 
Orbital elements:
2018 RA5                                                 Earth MOID = 0.5298 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5                 MPC
M 235.18052              (2000.0)            P               Q
n   0.64590698     Peri.    3.31161     -0.99924245     +0.00841236
a   1.3254278      Node   176.43031     +0.00110208     -0.96984902
e   0.7131442      Incl.   37.60874     +0.03890124     +0.24356132
P   1.53           H   19.4           G   0.15           U   2
Residuals in seconds of arc
090917 F51  0.1+  0.3-    180910 G96  0.2+  0.1-    180912 I52  0.0   0.1-
090917 F51  0.0   0.1-    180910 I52  0.2-  0.1-    180913 I52  0.0   0.4-
090917 F51  0.0   0.0     180910 I52  0.1+  0.6+    180913 I52  0.0   0.1-
090917 F51  0.1-  0.1+    180910 I52  1.1+  1.9+    180913 I52  0.7-  0.1-
140825 F51  0.4+  0.1-    180910 L01  0.5-  0.0     180913 I52  0.4-  0.5-
140825 F51  0.1-  0.1-    180910 L01  0.1+  0.1+    180915 I52  0.6+  0.3-
140825 F51  0.1-  0.1+    180911 I52  0.2+  0.0     180915 I52  0.2-  0.0
140827 F51  0.0   0.1+    180911 I52  0.2-  0.3-    180918 I52  0.4-  0.4-
140827 F51  0.1-  0.2-    180911 H21  0.1-  0.0     180918 I52  0.0   0.4+
140827 F51  0.1-  0.1+    180911 I52  0.2+  0.1-    180918 I52  0.3+  0.1+
140827 F51  0.1+  0.1-    180911 I52  0.5+  0.0     180930 H21  0.1+  0.1+
141003 F51  0.1-  0.0     180911 H21  0.0   0.1+    180930 H21  0.3+  0.0
141003 F51  0.1-  0.3+    180911 H21  0.0   0.0     181001 H21  0.0   0.6+
141003 F51  0.1-  0.0     180911 734  0.4-  0.6-    181001 H21  0.0   0.3+
141124 F51  0.0   0.0     180911 734  0.8-  0.7-    181001 H21  0.2-  0.0
141124 F51  0.1+  0.1+    180911 734  0.5+  0.7+    181006 H21  0.2+  0.4+
141124 F51  0.1-  0.0     180911 033  0.1-  0.0     181006 H21  0.3+  0.0
141126 F51  0.4+  0.1-    180911 033  0.1+  0.1+    181006 H21  0.2+  0.4+
141126 F51  0.2-  0.2-    180911 033  0.0   0.1+    181106 807  0.3+  0.0
180910 G96  0.1+  0.0     180911 033  0.2+  0.1-    181106 807  0.1+  0.1+
180910 G96  0.1+  0.5+    180912 I52  0.2-  0.1-    181106 807  0.1+  0.5+
180910 G96  0.4-  0.6-    180912 I52  0.5-  0.3-

Ephemeris:
2018 RA5                 a,e,i = 1.33, 0.71, 38                  q = 0.3802
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2019 02 26    23 44 49.1 -05 03 32   3.1785  2.2574    17.9     7.8    24.2
...
2019 03 13    00 07 36.7 -03 36 36   3.2117  2.2371     9.4     4.1    24.1
...
2019 03 21    00 19 57.7 -02 49 32   3.2108  2.2224     5.8     2.6    23.9
...
2019 03 27    00 29 19.4 -02 14 20   3.2018  2.2096     5.0     2.2    23.9
2019 03 28    00 30 53.5 -02 08 29   3.1996  2.2073     5.1     2.3    23.9
2019 03 29    00 32 27.8 -02 02 39   3.1972  2.2050     5.2     2.4    23.9
...
2019 04 04    00 41 57.1 -01 27 54   3.1787  2.1902     7.2     3.3    23.9
...
2019 04 12    00 54 45.8 -00 42 34   3.1432  2.1679    11.0     5.1    24.0
...
2019 04 27    01 19 21.0 +00 37 34   3.0446  2.1186    19.0     8.9    24.0

A. U. Tomatic                (C) Copyright 2019 MPC           M.P.E.C. 2019-F115



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