• MPC Preparation (Info)

  • MPEC 2015-R46 : 2015 RR2

    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 2015-R45 Read MPEC 2015-R47


    M.P.E.C. 2015-R46                                Issued 2015 Sept. 11, 14:10 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 RR2
    
    Observations:
         K15R02R* C2015 09 08.50640 00 42 25.612-11 22 50.15         20.0 iLER046F51
         K15R02R  C2015 09 08.51743 00 42 28.262-11 23 36.09         20.1 iLER046F51
         K15R02R  C2015 09 08.52844 00 42 30.928-11 24 22.17         19.9 iLER046F51
         K15R02R  C2015 09 08.53947 00 42 33.580-11 25 07.89         20.4 iLER046F51
         K15R02R _C2015 09 09.36703000 46 09.255-12 21 34.84         19.7 RtER046568
         K15R02R _C2015 09 09.36837100 46 09.580-12 21 40.28         19.8 RtER046568
         K15R02R _C2015 09 09.36968500 46 09.887-12 21 45.64         19.7 RtER046568
         K15R02R KC2015 09 10.33261800 50 05.16 -13 25 13.8          20.3 VuER046H21
         K15R02R KC2015 09 10.33695700 50 06.13 -13 25 30.2          19.4 VuER046H21
         K15R02R KC2015 09 10.33892800 50 06.59 -13 25 38.0          20.2 VuER046H21
         K15R02R KC2015 09 10.34023100 50 06.87 -13 25 43.1          20.1 VuER046H21
         K15R02R KC2015 09 10.34507700 50 07.98 -13 26 01.9          20.2 VuER046H21
         K15R02R KC2015 09 10.35098800 50 09.31 -13 26 24.6          20.4 VuER046H21
         K15R02R |C2015 09 11.28388 00 53 50.52 -14 24 07.3          20.4 VuER046807
         K15R02R |C2015 09 11.28845 00 53 51.47 -14 24 23.6          20.7 VuER046807
         K15R02R |C2015 09 11.29272 00 53 52.42 -14 24 39.6          20.5 VuER046807
    
    Observer details:
    568 Mauna Kea.  Observers R. J. Wainscoat, P. Forshay.  Measurers M. Micheli,
        R. J. Wainscoat.  3.6-m Canada-France-Hawaii Telescope + CCD.
    807 Cerro Tololo.  Observers T. Linder, R. Holmes.  0.41-m f/11
        Ritchey-Chretien + CCD.
    F51 Pan-STARRS 1, Haleakala.  Observers B. Gibson, T. Goggia, N. Primak,
        A. Schultz, M. Willman.  Measurers K. Chambers, S. Chastel, L. Denneau,
        H. Flewelling, M. Huber, E. Lilly, E. Magnier, R. Wainscoat, C. Waters,
        R. Weryk.  1.8-m Ritchey-Chretien + CCD.
    H21 Astronomical Research Observatory, Westfield.  Observers T. Linder,
        R. Holmes.  Measurers T. Linder, R. Holmes, L. Buzzi, S. Foglia.  0.61-m
        f/4.5 astrograph + CCD, 0.76-m f/3.0 astrograph + CCD.
    
    Orbital elements:
    2015 RR2                                                 Earth MOID = 0.1417 AU
    Epoch 2015 June 27.0 TT = JDT 2457200.5                 MPC
    M 346.67630              (2000.0)            P               Q
    n   0.23604326     Peri.  171.42701     +0.88053995     +0.46574465
    a   2.5930346      Node   160.07334     -0.44872479     +0.87890457
    e   0.5571386      Incl.   14.95092     -0.15262847     +0.10299845
    P   4.18           H   22.7           G   0.15           U   7
    Residuals in seconds of arc
    150908 F51  0.1+  0.1+    150909 568  0.0   0.1-    150910 H21  0.0   0.2-
    150908 F51  0.1-  0.1+    150910 H21  0.0   0.0     150911 807  0.2+  0.2-
    150908 F51  0.1+  0.1-    150910 H21  0.2-  0.3+    150911 807  0.2-  0.3+
    150908 F51  0.1-  0.0     150910 H21  0.0   0.1+    150911 807  0.3+  0.0
    150909 568  0.0   0.1-    150910 H21  0.2-  0.0
    150909 568  0.1+  0.1-    150910 H21  0.1+  0.2-
    
    Ephemeris:
    2015 RR2                 a,e,i = 2.59, 0.56, 15                  q = 1.1484
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2015 08 12    22 01 14.5 +23 32 54   0.1770  1.1551   140.2    34.1    20.7
    ...
    2015 08 27    23 35 02.8 +05 55 00   0.1512  1.1496   155.4    21.5    19.9
    ...
    2015 09 04    00 20 58.4 -05 41 06   0.1603  1.1581   157.3    19.7    20.0
    ...
    2015 09 10    00 48 44.3 -13 03 00   0.1768  1.1695   154.7    21.6    20.3
    2015 09 11    00 52 44.5 -14 06 44   0.1803  1.1718   154.2    22.0    20.4
    2015 09 12    00 56 34.1 -15 07 31   0.1839  1.1743   153.6    22.4    20.4
    ...
    2015 09 18    01 15 59.3 -20 12 02   0.2088  1.1911   150.4    24.6    20.8
    ...
    2015 09 26    01 33 41.1 -24 37 49   0.2488  1.2193   147.2    26.5    21.3
    ...
    2015 10 11    01 49 35.9 -27 56 07   0.3396  1.2877   143.6    27.4    22.1
    
    A. U. Tomatic                (C) Copyright 2015 MPC           M.P.E.C. 2015-R46
    

    Read MPEC 2015-R45 Read MPEC 2015-R47


    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)