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  • MPEC 2017-R28 : 2017 RF

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    M.P.E.C. 2017-R28                                Issued 2017 Sept. 3, 16:29 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
    
                                        2017 RF
    
    Observations:
         K17R00F* C2017 09 01.40253 22 22 46.97 -05 58 27.7          19.9 VqER028G96
         K17R00F  C2017 09 01.40673 22 22 45.51 -05 57 36.0          19.8 VqER028G96
         K17R00F  C2017 09 01.41095 22 22 44.07 -05 56 45.3          19.4 VqER028G96
         K17R00F  C2017 09 01.43333 22 22 36.49 -05 52 11.6          20.2 VqER028G96
         K17R00F  C2017 09 01.43374 22 22 36.36 -05 52 06.6          20.2 VqER028G96
         K17R00F  C2017 09 01.43414 22 22 36.23 -05 52 01.8          20.3 VqER028G96
         K17R00F  C2017 09 01.43455 22 22 36.08 -05 51 56.7          20.3 VqER028G96
         K17R00F |C2017 09 02.12010 22 19 13.67 -03 32 47.4          20.3 VuER028807
         K17R00F |C2017 09 02.12539 22 19 11.86 -03 31 44.7          20.2 VuER028807
         K17R00F |C2017 09 02.13050 22 19 10.14 -03 30 43.8          19.6 VuER028807
         K17R00F  C2017 09 02.19783 22 18 51.47 -03 19 20.5          21.1 VqER028G96
         K17R00F  C2017 09 02.19823 22 18 51.27 -03 19 14.4          20.5 VqER028G96
         K17R00F  C2017 09 02.19863 22 18 51.11 -03 19 10.3          21.4 VqER028G96
         K17R00F  C2017 09 02.19904 22 18 50.99 -03 19 05.2          20.1 VqER028G96
         K17R00F KC2017 09 02.27716722 18 22.43 -03 03 52.8          20.0 VuER028H21
         K17R00F KC2017 09 02.28124422 18 21.08 -03 03 04.8          20.0 VuER028H21
         K17R00F KC2017 09 02.28686522 18 19.22 -03 01 58.3          20.2 VuER028H21
         K17R00F  C2017 09 02.30226722 18 15.86 -02 58 48.7          20.1 GUER028H01
         K17R00F  C2017 09 02.31559222 18 11.37 -02 56 11.3          19.1 GUER028H01
         K17R00F  C2017 09 02.31919922 18 10.16 -02 55 28.9          19.6 GUER028H01
         K17R00F  C2017 09 02.32570822 18 07.98 -02 54 12.1          19.5 GUER028H01
         K17R00F  C2017 09 03.23906 22 13 45.31 +00 01 51.6                qER028G96
         K17R00F  C2017 09 03.23946 22 13 45.14 +00 01 58.1                qER028G96
         K17R00F  C2017 09 03.23987 22 13 44.89 +00 02 03.0          20.4 VqER028G96
    
    Observer details:
    807 Cerro Tololo.  Observers T. Linder, R. Holmes.  0.61-m f/6.5 astrograph
        + CCD.
    G96 Mt. Lemmon Survey.  Observer J. A. Johnson.  Measurers E. J. Christensen,
        D. C. Fuls, A. R. Gibbs, A. D. Grauer, J. A. Johnson, R. A. Kowalski,
        S. M. Larson, G. J. Leonard, R. G. Matheny, R. L. Seaman, F. C. Shelly.
        1.5-m reflector + 10K CCD.
    H01 Magdalena Ridge Observatory, Socorro.  Observers W. H. Ryan, E. V. Ryan.
        Measurer W. H. Ryan.  2.4-m f/8.9 reflector + CCD.
    H21 Astronomical Research Observatory, Westfield.  Observer R. Holmes.
        Measurers S. Foglia, L. Buzzi, T. Linder, R. Holmes.  0.76-m f/3.0
        astrograph + CCD.
    
    Orbital elements:
    2017 RF                                                  Earth MOID = 0.0761 AU
    Epoch 2017 Sept. 4.0 TT = JDT 2458000.5                 MPC
    M  11.10644              (2000.0)            P               Q
    n   0.67301443     Peri.  347.92288     +0.82857034     +0.54960961
    a   1.2895944      Node   337.70234     -0.48741518     +0.61424670
    e   0.1601918      Incl.   16.34451     -0.27549526     +0.56624223
    P   1.46           H   25.0           G   0.15           U   7
    Residuals in seconds of arc
    170901 G96  0.1+  0.3-    170902 807  0.1-  0.2-    170902 H21  0.4+  0.0
    170901 G96  0.2-  0.2+    170902 807  0.1+  0.1+    170902 H01  0.2+  0.1+
    170901 G96  0.2-  0.6-    170902 G96  1.0+  0.7-    170902 H01  0.0   0.3+
    170901 G96  0.2-  0.1+    170902 G96  0.0   0.7+    170902 H01  0.1+  0.1+
    170901 G96  0.0   0.1+    170902 G96  0.4-  0.0     170902 H01  0.1+  0.2+
    170901 G96  0.0   0.1+    170902 G96  0.1-  0.3+    170903 G96  0.8+  1.5-
    170901 G96  0.2-  0.2+    170902 H21  0.1+  0.1+    170903 G96  0.2+  0.5+
    170902 807  0.1+  0.1-    170902 H21  0.2+  0.1-    170903 G96  1.6-  0.8+
    
    Ephemeris:
    2017 RF                  a,e,i = 1.29, 0.16, 16                  q = 1.0830
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2017 08 04    01 25 23.5 -63 51 10   0.1495  1.0872   115.4    57.4    23.1
    ...
    2017 08 19    23 50 00.6 -46 59 23   0.09305 1.0830   138.0    38.7    21.6
    ...
    2017 08 27    22 54 15.2 -24 44 58   0.07699 1.0845   163.6    15.3    20.5
    ...
    2017 09 02    22 19 47.8 -03 57 35   0.07885 1.0872   172.7     6.8    20.2
    2017 09 03    22 14 52.3 -00 42 42   0.08041 1.0878   169.3    10.0    20.4
    2017 09 04    22 10 11.1 +02 23 47   0.08229 1.0885   165.9    13.1    20.5
    ...
    2017 09 10    21 46 52.3 +17 33 02   0.09910 1.0931   149.0    28.4    21.4
    ...
    2017 09 18    21 27 03.0 +29 29 06   0.1309  1.1013   135.0    40.2    22.4
    ...
    2017 10 03    21 15 38.4 +38 47 42   0.2013  1.1225   122.8    48.5    23.6
    
    A. U. Tomatic                (C) Copyright 2017 MPC           M.P.E.C. 2017-R28
    

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