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  • MPEC 2021-R337 : 2021 RF16

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    M.P.E.C. 2021-R337                           Issued 2021 September 14, 22:58 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
    
                                    2021 RF16                                
    
    
    Observations:
         K21R16F* C2021 09 13.42817523 33 37.139-21 21 54.18         20.81wUER337F51
         K21R16F  C2021 09 13.43889123 33 41.986-21 21 31.64         20.84wUER337F51
         K21R16F  C2021 09 13.44962223 33 46.905-21 21 07.65         20.88wUER337F51
         K21R16F KC2021 09 13.91344123 40 32.19 -21 03 32.1          20.4 GVER337L01
         K21R16F NC2021 09 13.91627623 40 34.42 -21 03 24.9          20.3 GVER337L01
         K21R16F NC2021 09 13.91889023 40 36.47 -21 03 17.2          20.5 GVER337L01
         K21R16F NC2021 09 13.92159823 40 38.58 -21 03 09.4          20.4 GVER337L01
         K21R16F NC2021 09 13.92419323 40 40.60 -21 03 02.1          20.2 GVER337L01
         K21R16F |C2021 09 14.17887 23 45 21.53 -20 33 38.6          20.2 VuER337807
         K21R16F |C2021 09 14.18205 23 45 24.52 -20 33 24.8          19.9 VuER337807
         K21R16F |C2021 09 14.18547 23 45 27.73 -20 33 10.4          19.4 VuER337807
         K21R16F 1C2021 09 14.90927300 07 20.43 -19 30 23.0                VER337246
         K21R16F 1C2021 09 14.91011200 07 22.34 -19 30 14.5                VER337246
         K21R16F 1C2021 09 14.91101600 07 24.40 -19 30 06.3                VER337246
         K21R16F 1C2021 09 14.91124200 07 24.94 -19 30 04.8                VER337246
         K21R16F 1C2021 09 14.91456400 07 32.67 -19 29 34.8                VER337246
         K21R16F 1C2021 09 14.91501600 07 33.58 -19 29 30.1                VER337246
         K21R16F 1C2021 09 14.91524200 07 34.13 -19 29 27.8                VER337246
    
    Observer details:
    246 Klet Observatory-KLENOT.  Observers M. Tichy, J. Ticha, M. Honkova.
        Measurer M. Tichy.  1.06-m f/2.7 reflector + 2048x2048 CCD.
    807 Cerro Tololo Observatory, La Serena.  Observers T. Linder, R. Holmes, L.
        Horn.  0.61-m f/6.5 astrograph + CCD.
    F51 Pan-STARRS 1, Haleakala.  Observers J. Bulger, T. Lowe, A. Schultz, I.
        Smith.  Measurers K. Chambers, S. Chastel, T. de Boer, J. Fairlamb, H.
        Gao, M. Huber, C.-C. Lin, E. Magnier, Y. Ramanjooloo, R. Wainscoat, R.
        Weryk.  1.8-m Ritchey-Chretien + CCD.
    L01 Visnjan Observatory, Tican.  Observers K. Korlevic, I. Lyon.  Measurer K.
        Korlevic.  1.0-m f/2.9 reflector + CCD.
    
    Orbital elements:
    2021 RF16                                                Earth MOID = 0.0005 AU
    Epoch 2021 July 5.0 TT = JDT 2459400.5                  Veres                   
    M 281.77433              (2000.0)            P               Q                  
    n   0.64351328     Peri.   60.62376     +0.57897666     -0.81531249             
    a   1.3287126      Node   353.98256     +0.72230993     +0.51697894             
    e   0.3426304      Incl.    3.92813     +0.37822533     +0.26076487             
    P   1.53           H   29.03          G   0.15           U   6                  
    Residuals in seconds of arc
    210913 F51  0.1+  0.0     210913 L01  0.3-  0.3+    210914 246  0.0   0.8+
    210913 F51  0.1-  0.1-    210913 L01  0.5-  0.2+    210914 246  0.3-  0.6+
    210913 F51  0.0   0.1+    210914 807  0.2-  0.2-    210914 246  0.0   0.0
    210913 L01  0.2+  0.4+    210914 807  0.1+  0.2+    210914 246  1.1+  0.9-
    210913 L01  0.2+  0.2-    210914 807  0.2+  0.0     210914 246  0.8-  0.4-
    210913 L01  0.0   0.1+    210914 246  0.3+  0.0     210914 246  0.4-  0.3-
    
    Ephemeris:
    2021 RF16                a,e,i = 1.33, 0.34, 4                   q = 0.8735
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2021 08 15    22 58 11.6 -21 11 18   0.1718  1.1755   159.6    17.4    26.5
    ...
    2021 08 30    23 04 08.7 -22 03 23   0.08735 1.0944   165.1    13.8    24.7
    ...
    2021 09 07    23 09 32.0 -22 15 34   0.04640 1.0525   163.8    15.5    23.3
    ...
    2021 09 13    23 29 10.6 -21 29 05   0.01679 1.0223   162.4    17.3    21.1
    2021 09 14    23 41 48.1 -20 47 51   0.01193 1.0174   162.4    17.4    20.4
    2021 09 15    00 11 01.7 -18 56 00   0.0071571.0125   161.4    18.5    19.3
    ...
    2021 09 21    10 42 53.8 +23 28 39   0.02278 0.9840    28.2   151.1    29.4
    ...
    2021 09 29    10 59 09.5 +22 30 18   0.06258 0.9493    31.9   146.1    30.7
    ...
    2021 10 14    11 11 24.7 +20 25 30   0.1413  0.8971    41.8   132.2    30.5
    
    M. P. C. Staff               (C) Copyright 2021 MPC           M.P.E.C. 2021-R337
    


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