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  • MPEC 2021-R344 : 2021 RO16

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    M.P.E.C. 2021-R344                           Issued 2021 September 15, 11:06 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 RO16                                
    
    
    Observations:
         K21R16O* C2021 09 14.44873100 03 50.93 -27 19 34.6          18.83oVER344T08
         K21R16O  C2021 09 14.45199200 03 49.74 -27 18 09.5          17.75oVER344T08
         K21R16O  C2021 09 14.48603800 03 37.59 -27 03 23.3          18.93oVER344T08
         K21R16O  C2021 09 14.51411600 03 27.88 -26 51 18.5          18.29oVER344T08
         K21R16O pC2021 09 14.88954200 03 16.48 -24 28 09.3                VER344595
         K21R16O pC2021 09 14.89814900 03 14.59 -24 25 10.6          18.3 GVER344595
         K21R16O KC2021 09 14.91998500 03 09.40 -24 17 39.7          18.0 GVER344595
         K21R16O hC2021 09 14.93868200 03 04.87 -24 11 13.3          19.1 GVER344L01
         K21R16O hC2021 09 14.93972100 03 04.59 -24 10 52.2          19.1 GVER344L01
         K21R16O hC2021 09 14.94050100 03 04.40 -24 10 35.7          19.1 GVER344L01
         K21R16O IC2021 09 14.94231900 03 03.92 -24 09 58.7          18.9 GVER344L01
         K21R16O IC2021 09 14.94309700 03 03.71 -24 09 42.5          19.1 GVER344L01
         K21R16O KC2021 09 14.95603 00 02 58.30 -24 05 30.3          18.8 GXER344G02
         K21R16O KC2021 09 14.95919 00 02 57.59 -24 04 25.4          18.9 GXER344G02
         K21R16O KC2021 09 14.96248 00 02 56.81 -24 03 17.7          18.9 GXER344G02
         K21R16O |C2021 09 15.18746 00 02 41.83 -22 41 34.8                uER344807
         K21R16O |C2021 09 15.19144 00 02 40.80 -22 40 22.0          19.1 VuER344807
         K21R16O |C2021 09 15.19537 00 02 39.73 -22 39 09.9          19.1 VuER344807
    
    Observer details:
    595 Farra d'Isonzo.  Observer E. Pettarin.  0.61-m f/4.5 reflector + CCD.
    807 Cerro Tololo Observatory, La Serena.  Observers T. Linder, R. Holmes, L.
        Horn.  0.61-m f/6.5 astrograph + CCD.
    G02 KYSUCE Observatory, Kysucke Nove Mesto.  Observer M. Urbanik.  0.40-m
        f/4.5 Corrected Dall-Kirkham + CCD.
    L01 Visnjan Observatory, Tican.  Observer K. Korlevic.  1.0-m f/2.9 reflector
        + CCD.
    T08 ATLAS-MLO, Mauna Loa.  Observers L. Denneau, J. Tonry, H. Weiland.
        Measurers L. Denneau, J. Tonry, H. Weiland, A. Fitzsimmons, J. Robinson,
        N. Erasmus.  0.5-m reflector + CCD.
    
    Orbital elements:
    2021 RO16                                                Earth MOID = 0.0056 AU
    Epoch 2021 July 5.0 TT = JDT 2459400.5                  Veres                   
    M 350.95752              (2000.0)            P               Q                  
    n   0.76681083     Peri.  194.57335     +0.15483359     +0.98791672             
    a   1.1821626      Node    84.33414     -0.90572605     +0.14471977             
    e   0.2629342      Incl.    0.39517     -0.39457178     +0.05546832             
    P   1.29           H   26.54          G   0.15           U   7                  
    Residuals in seconds of arc
    210914 T08  0.5-  0.0     210914 595  0.5+  0.1+    210914 G02  0.9+  0.5-
    210914 T08  0.6-  0.1+    210914 L01  0.8+  0.0     210914 G02  1.4+  0.5-
    210914 T08  0.7+  1.0+    210914 L01  0.5+  0.2-    210914 G02  1.3+  0.4-
    210914 T08  0.1-  1.1-    210914 L01  0.5+  0.3+    210915 807  0.0   0.3+
    210914 595  0.8-  0.1-    210914 L01  0.0   0.0     210915 807  0.1+  0.1-
    210914 595  0.6+  0.1+    210914 L01  0.2-  0.2+    210915 807  0.5-  0.2-
    
    Ephemeris:
    2021 RO16                a,e,i = 1.18, 0.26, 0                   q = 0.8713
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2021 08 16    11 49 06.7 -01 27 31   0.1221  0.9155    35.1   140.5    28.7
    ...
    2021 08 31    11 54 35.4 -07 15 13   0.05062 0.9639    25.1   153.6    29.2
    ...
    2021 09 08    11 50 47.0 -26 23 08   0.01603 0.9943    34.0   145.5    25.2
    ...
    2021 09 14    00 04 53.3 -30 51 15   0.01437 1.0186   151.3    28.3    18.6
    2021 09 15    00 02 52.8 -23 43 11   0.01833 1.0227   158.0    21.6    19.0
    2021 09 16    00 01 42.6 -19 09 12   0.02249 1.0269   162.3    17.3    19.3
    ...
    2021 09 22    23 59 10.0 -08 39 34   0.04884 1.0521   171.7     7.9    20.7
    ...
    2021 09 30    23 58 19.0 -04 48 21   0.08611 1.0865   170.0     9.2    22.0
    ...
    2021 10 15    00 00 31.2 -02 03 14   0.1645  1.1511   157.7    19.2    23.9
    
    M. P. C. Staff               (C) Copyright 2021 MPC           M.P.E.C. 2021-R344
    


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