[Iaude] MPEC F131: 2017 RU15 [a=1.32,e=0.35,i=13.7,H=22.8]

mpec at mpcdb1.cfa.harvard.edu mpec at mpcdb1.cfa.harvard.edu
Mon Mar 26 06:27:16 EDT 2018


M.P.E.C. 2018-F131                               Issued 2018 Mar. 26, 10:24 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


                                   2017 RU15
 
                           Revision to MPEC 2017-S44
 
Additional Observations:
     K17R15U  C2014 08 29.59809 03 29 14.903+02 38 07.24         20.9 GUEF131F51
     K17R15U  C2014 08 29.60567 03 29 10.774+02 38 49.22         20.8 GUEF131F51
     K17R15U  C2014 08 29.61320 03 29 06.652+02 39 30.95         20.7 GUEF131F51
     K17R15U  C2014 08 29.62073 03 29 02.537+02 40 12.74         20.7 GUEF131F51
     K17R15U  C2014 09 02.49844 02 55 40.835+08 25 06.15         19.9 GUEF131F51
     K17R15U  C2014 09 02.51057 02 55 34.343+08 26 07.88         19.9 GUEF131F51
     K17R15U  C2014 09 02.52268 02 55 27.836+08 27 09.64         19.9 GUEF131F51
     K17R15U  C2014 09 02.53480 02 55 21.327+08 28 11.38         20.0 GUEF131F51
     K17R15U  C2014 09 19.51912 00 50 27.958+23 26 35.35         20.5 GUEF131F51
     K17R15U  C2017 10 07.34538 22 01 00.885+07 33 20.39         21.1 GUEF131F51
     K17R15U  C2017 10 07.35899 22 01 01.857+07 33 40.20         21.6 GUEF131F51
     K17R15U  C2017 10 07.37263 22 01 02.836+07 33 59.74         21.6 GUEF131F51
 
Observer details:
F51 Pan-STARRS 1, Haleakala.  Observers N. Primak, A. Schultz, T. Goggia,
    M. Willman, J. Bulger, T. Lowe.  Measurers R. Weryk, R. Wainscoat.  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
140829 F51 0.16+ 1.31-    171007 F51  0.0-  0.2-    MPO423868   -0.0086 day
 
Orbital elements:
2017 RU15                                                Earth MOID = 0.0486 AU
Epoch 2018 Mar. 23.0 TT = JDT 2458200.5                 MPC
M 165.84173              (2000.0)            P               Q
n   0.65116261     Peri.  279.58588     -0.01167604     +0.99899061
a   1.3182863      Node   349.45061     -0.79910774     -0.03539765
e   0.3510159      Incl.   13.70461     -0.60107445     +0.02765428
P   1.51           H   22.8           G   0.15           U   2
Residuals in seconds of arc
140829 F51  0.0   0.0     170916 568  0.1+  0.1+    170923 H21  0.1-  0.0
140829 F51  0.1+  0.0     170916 568  0.1+  0.1+    170923 H21  0.0   0.3+
140829 F51  0.1+  0.0     170917 H21  0.0   0.6-    170923 H21  0.5+  0.4-
140829 F51  0.1+  0.0     170917 H21  0.1-  0.5-    170924 I52  0.1+  0.0
140902 F51  0.1-  0.1+    170917 H21  0.1-  0.6-    170924 I52  0.2-  0.1-
140902 F51  0.0   0.0     170917 I52  0.0   0.2-    170924 I52  0.1+  0.2+
140902 F51  0.2-  0.0     170917 I52  0.5+  0.3-    170924 I52  0.0   0.3+
140902 F51  0.1-  0.0     170917 I52  0.2+  0.3-    170924 807  0.7+  0.4-
140919 F51  0.0   0.1+    170917 I52  0.2+  0.3-    170924 807  0.1+  0.1+
170915 F51  0.0   0.1+    170918 I52  0.3+  0.3-    170924 807  0.0   0.3+
170915 F51  0.0   0.1+    170918 691  0.3-  0.2+    170924 H21  0.2-  0.1-
170915 F51  0.0   0.2+    170918 I52  0.1+  0.0     170924 H21  0.3-  0.4+
170916 807  0.3-  0.0     170918 I52  0.3+  0.2-    170924 H21  0.1+  0.2+
170916 807  0.2-  0.2-    170918 I52  0.1+  0.0     170925 H21  0.1-  0.3-
170916 807  0.3-  0.4-    170918 691  0.3-  0.3+    170925 H21  0.2-  0.1-
170916 I52  0.0   0.1+    170918 691  0.3-  0.0     170925 H21  0.1+  0.2+
170916 I52  0.1+  0.1+    170920 I52  0.1-  0.2-    170927 H21  0.3-  0.4+
170916 I52  0.2+  0.0     170920 I52  0.0   0.3-    170927 H21  0.2+  0.7+
170916 H21  0.1+  0.1+    170920 I52  0.0   0.2-    170928 H21  0.1+  0.2-
170916 H21  0.2+  0.1-    170920 I52  0.1-  0.1-    170928 H21  0.1+  0.3-
170916 H21  0.1-  0.1+    170922 H21  0.1+  0.3-    171007 F51  0.2+  0.2-
170916 H21  0.1+  0.4-    170922 H21  0.2+  0.9-    171007 F51  0.0   0.2+
170916 568  0.1+  0.1+    170922 H21  0.1+  0.1+    171007 F51  0.2-  0.3+

Ephemeris:
2017 RU15                a,e,i = 1.32, 0.35, 14                  q = 0.8555
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2018 02 24    02 13 58.7 +26 42 09   1.8953  1.7421    65.8    31.2    26.7
...
2018 03 11    02 48 03.2 +28 25 50   2.0591  1.7624    58.8    28.8    26.9
...
2018 03 19    03 06 44.1 +29 15 28   2.1403  1.7702    55.1    27.5    26.9
...
2018 03 25    03 20 58.6 +29 49 31   2.1980  1.7746    52.4    26.4    27.0
2018 03 26    03 23 22.2 +29 54 55   2.2074  1.7753    51.9    26.2    27.0
2018 03 27    03 25 46.0 +30 00 13   2.2166  1.7759    51.5    26.1    27.0
...
2018 04 02    03 40 15.2 +30 30 04   2.2704  1.7788    48.8    25.0    27.0
...
2018 04 10    03 59 50.9 +31 04 22   2.3373  1.7808    45.3    23.6    27.0
...
2018 04 25    04 37 23.7 +31 49 37   2.4468  1.7790    38.8    20.8    27.0

A. U. Tomatic                (C) Copyright 2018 MPC           M.P.E.C. 2018-F131



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