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  • MPEC 2013-R45 : 2013 RB21

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    M.P.E.C. 2013-R45                                Issued 2013 Sept. 5, 20:37 UT
    
         The Minor Planet Electronic Circulars contain information on unusual
             minor planets and routine data on comets.  They are published
       on behalf of Commission 20 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
    
                                       2013 RB21
    
    Observations:
         K13R21B* C2013 09 01.42846 23 27 48.709-07 31 44.48         21.8 wLER045F51
         K13R21B  C2013 09 01.44195 23 27 47.636-07 32 16.48         22.0 wLER045F51
         K13R21B  C2013 09 01.46885 23 27 45.476-07 33 20.79         22.0 wLER045F51
         K13R21B _C2013 09 02.38636423 26 35.621-08 10 13.43         21.1 RtER045568
         K13R21B _C2013 09 02.38761723 26 35.523-08 10 16.41         21.1 RtER045568
         K13R21B _C2013 09 02.38886923 26 35.410-08 10 19.60         21.1 RtER045568
         K13R21B KC2013 09 05.29925 23 22 34.96 -10 13 03.7          21.1 RoER045291
         K13R21B KC2013 09 05.30239 23 22 34.67 -10 13 11.4          20.8 RoER045291
         K13R21B KC2013 09 05.30555 23 22 34.39 -10 13 20.1          20.1 RoER045291
    
    Observer details:
    291 LPL/Spacewatch II.  Observer T. H. Bressi.  1.8-m f/2.7 reflector + CCD.
    568 Mauna Kea.  Observers R. J. Wainscoat, M. Micheli, L. Wells.  Measurers
        M. Micheli, R. J. Wainscoat.  3.6-m Canada-France-Hawaii Telescope + CCD.
    F51 Pan-STARRS 1, Haleakala.  Observers N. Primak, A. Schultz. T. Goggia,
        M. Willman.  Measurer PS1 Science Consortium.  1.8-m Ritchey-Chretien
        + CCD.
    
    Orbital elements:
    2013 RB21                                                Earth MOID = 0.1183 AU
    Epoch 2013 Nov. 4.0 TT = JDT 2456600.5                  MPC
    M 330.12437              (2000.0)            P               Q
    n   0.45985508     Peri.  307.93479     -0.35076894     -0.92220242
    a   1.6623484      Node   160.56014     +0.93634907     -0.34268579
    e   0.5584558      Incl.   29.28521     -0.01454571     +0.17919024
    P   2.14           H   20.9           G   0.15           U   8
    Residuals in seconds of arc
    130901 F51  0.1-  0.0     130902 568  0.0   0.0     130905 291  0.0   0.2-
    130901 F51  0.0   0.1+    130902 568  0.1+  0.1+    130905 291  0.1-  0.3+
    130901 F51  0.0   0.1-    130902 568  0.1-  0.1-    130905 291  0.1+  0.1-
    
    Ephemeris:
    2013 RB21                a,e,i = 1.66, 0.56, 29                  q = 0.7340
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2013 08 06    23 43 53.2 +04 01 04   0.9998  1.8633   135.4    22.5    23.3
    ...
    2013 08 21    23 38 43.2 -01 08 17   0.7991  1.7622   153.2    15.0    22.5
    ...
    2013 08 29    23 31 47.2 -05 21 52   0.7114  1.7053   164.1     9.3    21.9
    ...
    2013 09 04    23 24 25.4 -09 17 04   0.6568  1.6611   171.6     5.1    21.5
    2013 09 05    23 23 00.8 -09 59 52   0.6488  1.6537   172.4     4.6    21.5
    2013 09 06    23 21 33.2 -10 43 39   0.6410  1.6462   173.0     4.3    21.4
    ...
    2013 09 12    23 11 45.7 -15 24 20   0.6013  1.6004   168.7     7.1    21.3
    ...
    2013 09 20    22 56 22.3 -22 10 13   0.5665  1.5376   155.4    15.8    21.5
    ...
    2013 10 05    22 24 18.3 -34 25 08   0.5519  1.4144   129.1    33.3    21.8
    
    A. U. Tomatic                (C) Copyright 2013 MPC           M.P.E.C. 2013-R45
    

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