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  • MPEC 2015-R28 : 2015 RF2

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    M.P.E.C. 2015-R28                                Issued 2015 Sept. 8, 14:21 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 RF2
    
    Observations:
         K15R02F* C2015 09 06.39773 23 09 46.10 -01 56 32.7          21.4 VoER028691
         K15R02F  C2015 09 06.41652 23 09 44.27 -01 56 34.1          21.6 VoER028691
         K15R02F  C2015 09 06.43531 23 09 42.53 -01 56 35.0          21.4 VoER028691
         K15R02F KC2015 09 06.52769 23 09 36.69 -01 55 50.6          21.8 RtER028474
         K15R02F KC2015 09 06.53473 23 09 36.02 -01 55 50.9          21.8 RtER028474
         K15R02F KC2015 09 06.55467 23 09 34.11 -01 55 52.4          22.1 RtER028474
         K15R02F KC2015 09 06.56171 23 09 33.48 -01 55 52.9          21.6 RtER028474
         K15R02F KC2015 09 06.94615 23 09 02.34 -01 57 23.0          21.4 RqER028J95
         K15R02F KC2015 09 07.00062 23 08 57.14 -01 57 28.1          21.6 RqER028J95
         K15R02F KC2015 09 07.20055 23 08 41.49 -01 57 33.3          20.4 RoER028291
         K15R02F KC2015 09 07.20656 23 08 40.86 -01 57 33.9                oER028291
         K15R02F KC2015 09 07.21258 23 08 40.29 -01 57 33.9                oER028291
         K15R02F KC2015 09 07.25465923 08 35.06 -01 57 42.5          20.9 VuER028H21
         K15R02F KC2015 09 07.26463323 08 34.05 -01 57 43.5          21.8 VuER028H21
         K15R02F KC2015 09 07.27481023 08 33.00 -01 57 44.4          21.3 VuER028H21
         K15R02F KC2015 09 07.53303 23 08 10.46 -01 57 08.5                tER028474
         K15R02F KC2015 09 07.54007 23 08 09.78 -01 57 08.8                tER028474
         K15R02F KC2015 09 07.54711 23 08 09.06 -01 57 09.4          21.4 RtER028474
         K15R02F  C2015 09 07.91790 23 07 36.05 -01 58 47.6          19.8 VSER028033
         K15R02F  C2015 09 07.92294 23 07 35.56 -01 58 48.1          19.9 VSER028033
         K15R02F  C2015 09 07.92797 23 07 35.01 -01 58 48.5          19.8 VSER028033
         K15R02F  C2015 09 07.93803 23 07 33.96 -01 58 49.5          20.0 VSER028033
         K15R02F  C2015 09 07.94306 23 07 33.42 -01 58 50.0          19.7 VSER028033
         K15R02F  C2015 09 07.94809 23 07 32.91 -01 58 50.6          19.7 VSER028033
         K15R02F  C2015 09 08.01147 23 07 26.26 -01 58 56.7          19.9 VSER028033
         K15R02F  C2015 09 08.01626 23 07 25.77 -01 58 56.8          19.4 VSER028033
         K15R02F  C2015 09 08.02106 23 07 25.25 -01 58 57.3          19.7 VSER028033
         K15R02F  C2015 09 08.02587 23 07 24.73 -01 58 57.6          19.4 VSER028033
         K15R02F  C2015 09 08.03066 23 07 24.24 -01 58 58.1          19.5 VSER028033
         K15R02F  C2015 09 08.03546 23 07 23.71 -01 58 58.9          19.6 VSER028033
         K15R02F  C2015 09 08.04025 23 07 23.24 -01 58 59.3          19.4 VSER028033
         K15R02F VC2015 09 08.16089 23 07 14.49 -01 58 58.7                oER028711
         K15R02F VC2015 09 08.16426 23 07 14.07 -01 58 58.8                oER028711
         K15R02F VC2015 09 08.16756 23 07 13.77 -01 58 58.3                oER028711
         K15R02F KC2015 09 08.38133 23 06 50.49 -01 59 22.1                oER028291
         K15R02F KC2015 09 08.38734 23 06 49.83 -01 59 22.7          20.1 RoER028291
         K15R02F KC2015 09 08.39336 23 06 49.16 -01 59 23.3          20.1 RoER028291
    
    Observer details:
    033 Karl Schwarzschild Observatory, Tautenburg.  Observers B. Stecklum,
        F. Ludwig.  Measurer B. Stecklum.  1.34-m f/4 Schmidt + CCD.
    291 LPL/Spacewatch II.  Observer R. S. McMillan.  1.8-m f/2.7 reflector + CCD.
    474 Mount John Observatory, Lake Tekapo.  Observers A. C. Gilmore,
        P. M. Kilmartin.  Measurer P. M. Kilmartin.  1.0-m f/7.7 reflector + CCD.
    691 Steward Observatory, Kitt Peak.  Observer R. S. McMillan.  0.9-m f/3
        reflector + CCD.
    711 McDonald Observatory.  Observer J. G. Ries.  2.1-m reflector + CCD + focal
        reducer.
    H21 Astronomical Research Observatory, Westfield.  Observer R. Holmes.
        Measurers S. Foglia, L. Buzzi, T. Linder, R. Holmes.  0.81-m f/4.0
        astrograph + CCD.
    J95 Great Shefford.  Observer P. Birtwhistle.  0.40-m f/6.0 Schmidt-Cassegrain
        + CCD.
    
    Orbital elements:
    2015 RF2                                                 Earth MOID = 0.0088 AU
    Epoch 2015 June 27.0 TT = JDT 2457200.5                 MPC
    M 295.85957              (2000.0)            P               Q
    n   0.44702822     Peri.  177.22467     +0.21922015     -0.97562884
    a   1.6939975      Node   260.11197     +0.89497820     +0.20497033
    e   0.5507466      Incl.    0.55451     +0.38853128     +0.07832966
    P   2.20           H   23.1           G   0.15           U   8
    Residuals in seconds of arc
    150906 691  0.9+  0.1-    150907 H21  0.3+  0.3-    150908 033  0.2+  0.1-
    150906 691  0.2-  0.3-    150907 H21  0.0   0.4-    150908 033  0.1-  0.0
    150906 691  0.2-  0.0     150907 474  0.1-  0.1-    150908 033  0.1+  0.0
    150906 474  0.2+  0.2+    150907 474  0.6+  0.2+    150908 033  0.3-  0.4-
    150906 474  0.1+  0.4+    150907 474  0.6+  0.2+    150908 033  0.1+  0.3-
    150906 474  0.2-  0.3+    150907 033  0.1+  0.3-    150908 711  0.9-  0.2+
    150906 474  0.3+  0.2+    150907 033  0.7+  0.3-    150908 711  1.8-  0.5+
    150906 J95  0.8-  0.4+    150907 033  0.3+  0.2-    150908 711  1.0-  1.3+
    150907 J95  0.3-  0.3-    150907 033  0.2+  0.2-    150908 291  0.1+  0.1+
    150907 291  0.7+  0.1-    150907 033  0.0   0.3-    150908 291  0.2+  0.1+
    150907 291  0.2+  0.2-    150907 033  0.3+  0.4-    150908 291  0.2+  0.1+
    150907 291  0.6+  0.3+    150908 033  0.2+  0.4-
    150907 H21  0.3+  0.1-    150908 033  0.4+  0.1-
    
    Ephemeris:
    2015 RF2                 a,e,i = 1.69, 0.55, 1                   q = 0.7610
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2015 08 09    23 19 53.5 -02 42 53   0.5041  1.4599   146.2    22.8    23.5
    ...
    2015 08 24    23 19 57.3 -02 00 52   0.3383  1.3344   160.2    14.9    22.2
    ...
    2015 09 01    23 15 32.7 -01 53 36   0.2603  1.2657   168.7     9.0    21.3
    ...
    2015 09 07    23 08 57.2 -01 56 54   0.2062  1.2135   175.1     4.1    20.5
    2015 09 08    23 07 27.9 -01 58 20   0.1976  1.2048   175.9     3.4    20.3
    2015 09 09    23 05 50.2 -02 00 03   0.1890  1.1961   176.4     3.1    20.2
    ...
    2015 09 15    22 52 07.1 -02 17 34   0.1396  1.1438   170.7     8.2    19.7
    ...
    2015 09 23    22 10 39.0 -03 13 41   0.07892 1.0746   153.0    25.1    18.9
    ...
    2015 10 08    14 02 31.8 -02 25 22   0.05159 0.9504    17.8   161.2    28.0
    
    A. U. Tomatic                (C) Copyright 2015 MPC           M.P.E.C. 2015-R28
    

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