• Processing (Info)

    • MPEC 2016-N67 : 2015 RR245

    The following Minor Planet Electronic Circular may be linked-to from your own Web pages, but must not otherwise be redistributed electronically.

    A form allowing access to any MPEC is at the bottom of this page.

    Read MPEC 2016-N66 Read MPEC 2016-N68 

    M.P.E.C. 2016-N67                                Issued 2016 July 10, 17:21 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@CFA.HARVARD.EDU
            URL https://www.minorplanetcenter.net/    ISSN 1523-6714

                                  2015 RR245

Additional Observations:
     K15RO5R {C2016 02 04.21904 00 16 25.997+05 16 04.86               qEN067568
     K15RO5R {C2016 06 05.61595 00 22 51.600+05 56 38.99         21.8 rqEN067568
     K15RO5R {C2016 06 07.61302 00 22 54.751+05 57 03.67         21.9 rqEN067568
     K15RO5R {C2016 06 08.57085 00 22 56.191+05 57 15.09         21.9 rqEN067568

Observer details:
568 Mauna Kea.  Observers M. T. Bannister, J. J. Kavelaars, B. J. Gladman,
    J.-M. Petit, T. Burdullis.  Measurers S. D. J. Gwyn, Y.-T. Chen,
    M. Alexandersen.  3.6-m Canada-France-Hawaii Telescope + CCD.

First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
160204 568  0.1+  0.1+    160608 568  2.1+  1.0+    MPO381081  -1110 day

Orbital elements:
2015 RR245
Epoch 2016 July 31.0 TT = JDT 2457600.5                 MPC
M 322.50413              (2000.0)            P               Q
n   0.00134479     Peri.  261.41753     -0.38771291     -0.91917621
a  81.2891975      Node   211.67680     +0.88907430     -0.35306920
e   0.5852663      Incl.    7.57643     +0.24336307     -0.17452004
P 733              H    3.8           G   0.15           U   5
Residuals in seconds of arc
150909 568  0.0   0.1+    151009 568  0.0   0.1-    160205 568  0.2-  0.1+
150909 568  0.0   0.1+    151110 568  0.1+  0.1-    160206 568  0.0   0.0
150909 568  0.0   0.1+    151208 568  0.1+  0.0     160207 568  0.0   0.0
150918 568  0.0   0.0     160204 568  0.0   0.0     160605 568  0.0   0.1+
150918 568  0.0   0.1+    160204 568  0.1+  0.0     160607 568  0.0   0.0
151008 568  0.0   0.0     160204 568  0.2+  0.1+    160608 568  0.0   0.0
151008 568  0.0   0.1-    160205 568  0.2-  0.3-

Ephemeris:
2015 RR245               a,e,i = 81.29, 0.59, 8                  q = 33.713
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2016 06 10    00 22 58.2 +05 57 32  64.4240 64.1129    71.7     0.9    22.0
...
2016 06 25    00 23 13.1 +05 59 43  64.1569 64.0931    86.0     0.9    22.0
...
2016 07 03    00 23 15.9 +06 00 21  64.0115 64.0826    93.6     0.9    22.0
...
2016 07 09    00 23 15.6 +06 00 34  63.9031 64.0746    99.3     0.9    22.0
2016 07 10    00 23 15.4 +06 00 35  63.8851 64.0733   100.2     0.9    22.0
2016 07 11    00 23 15.1 +06 00 36  63.8673 64.0720   101.2     0.9    22.0
...
2016 07 17    00 23 12.1 +06 00 31  63.7613 64.0641   106.9     0.9    22.0
...
2016 07 25    00 23 05.2 +06 00 04  63.6249 64.0535   114.5     0.8    22.0
...
2016 08 09    00 22 43.3 +05 58 14  63.3913 64.0337   129.0     0.7    22.0

A. U. Tomatic                (C) Copyright 2016 MPC           M.P.E.C. 2016-N67

    Read MPEC 2016-N66 Read MPEC 2016-N68

    MPEC number:

    Enter an MPEC number in one of the following forms:

    • 1997-B01 (the full form)
    • J97B01 (the packed version of the full form)
    • B01 (the abbreviated form)