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  • MPEC 2021-S93 : 2021 SU

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    M.P.E.C. 2021-S93                            Issued 2021 September 27, 11:12 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 SU                                 
    
    
    Observations:
         K21S00U* C2021 09 25.42734300 08 10.859-04 46 56.51         19.46iUES093F51
         K21S00U  C2021 09 25.43935400 08 14.627-04 45 13.63         19.31iUES093F51
         K21S00U  C2021 09 25.45139100 08 18.398-04 43 30.69         19.38iUES093F51
         K21S00U  C2021 09 25.46341700 08 22.168-04 41 47.89         19.40iUES093F51
         K21S00U  C2021 09 25.54744300 08 48.730-04 29 54.34         18.95GVES093F51
         K21S00U  C2021 09 25.54808900 08 48.946-04 29 48.86         19.21GVES093F51
         K21S00U KC2021 09 25.72270 00 09 56.70 -04 06 21.2          19.8 GVES093N88
         K21S00U KC2021 09 25.72302 00 09 56.80 -04 06 18.7          20.1 GVES093N88
         K21S00U 1C2021 09 25.80109500 10 26.97 -03 55 49.2                VES093246
         K21S00U 1C2021 09 25.80238500 10 27.41 -03 55 38.4                VES093246
         K21S00U 1C2021 09 25.80290800 10 27.55 -03 55 34.3                VES093246
         K21S00U 1C2021 09 25.80573700 10 28.42 -03 55 11.2                VES093246
         K21S00U KC2021 09 25.82838 00 10 35.37 -03 52 10.6          19.1 GVES093G02
         K21S00U KC2021 09 25.83455 00 10 37.31 -03 51 21.0          18.8 GVES093G02
         K21S00U KC2021 09 26.14161 00 12 20.05 -03 10 51.9          19.7 GVES093734
         K21S00U KC2021 09 26.14979 00 12 22.47 -03 09 47.8          20.6 GVES093734
         K21S00U KC2021 09 26.15807 00 12 24.81 -03 08 45.6          19.4 GVES093734
         K21S00U KC2021 09 26.20955100 12 38.90 -03 02 13.8          19.4 VuES093H21
         K21S00U KC2021 09 26.21149700 12 39.44 -03 01 59.0          19.4 VuES093H21
         K21S00U KC2021 09 26.21344200 12 39.99 -03 01 44.1          19.6 VuES093H21
         K21S00U KC2021 09 26.21538700 12 40.55 -03 01 29.5          19.6 VuES093H21
         K21S00U KC2021 09 26.21733300 12 41.09 -03 01 14.7          19.6 VuES093H21
         K21S00U KC2021 09 26.21927900 12 41.63 -03 00 59.9          19.4 VuES093H21
         K21S00U  C2021 09 26.40666900 13 40.932-02 37 05.04         20.09wUES093F51
         K21S00U  C2021 09 26.41247200 13 42.461-02 36 22.44         20.01wUES093F51
         K21S00U  C2021 09 26.43419100 13 48.208-02 33 42.28         19.80wUES093F51
         K21S00U  C2021 09 26.44039200 13 49.848-02 32 56.61         19.95wUES093F51
         K21S00U  C2021 09 26.73887300 15 21.95 -01 57 32.1          19.4 rVES093N51
         K21S00U  C2021 09 26.74490200 15 23.52 -01 56 48.9          19.4 rVES093N51
         K21S00U KC2021 09 26.80342 00 15 43.31 -01 50 23.9          19.6 GVES093G02
         K21S00U KC2021 09 26.81029 00 15 45.18 -01 49 36.4          19.8 GVES093G02
         K21S00U KC2021 09 26.81732 00 15 47.09 -01 48 47.1          19.5 GVES093G02
         K21S00U KC2021 09 26.86049 00 15 59.18 -01 43 38.5          20.6 VqES093C82
         K21S00U KC2021 09 26.86425 00 16 00.31 -01 43 13.6          19.2 VqES093C82
         K21S00U KC2021 09 26.86896 00 16 01.33 -01 42 38.8          19.1 VqES093C82
         K21S00U KC2021 09 26.89421300 16 08.93 -01 39 45.4          20.2 GVES093B37
         K21S00U KC2021 09 26.90183400 16 10.92 -01 38 55.2          19.3 GVES093B37
         K21S00U KC2021 09 26.91364600 16 13.89 -01 37 33.7          19.5 GVES093B37
         K21S00U KC2021 09 27.14230 00 17 18.88 -01 11 44.3          19.6 GXES093W34
         K21S00U KC2021 09 27.14985 00 17 20.73 -01 10 54.2          19.2 GXES093W34
         K21S00U KC2021 09 27.15733 00 17 22.55 -01 10 05.1          19.4 GXES093W34
         K21S00U KC2021 09 27.23408600 17 41.42 -01 01 48.4          19.5 VuES093H21
         K21S00U KC2021 09 27.23688200 17 42.11 -01 01 30.1          19.5 VuES093H21
         K21S00U KC2021 09 27.23977200 17 42.80 -01 01 11.3          19.5 VuES093H21
    
    Observer details:
    246 Klet Observatory-KLENOT.  Observers M. Honkova, M. Tichy, J. Ticha.
        Measurer M. Tichy.  1.06-m f/2.7 reflector + 2048x2048 CCD.
    734 Farpoint Observatory, Eskridge.  Observers G. Hug, D. Cromer, D. Goodin,
        R. Valentine.  Measurer D. Cromer.  0.7-m reflector + CCD.
    B37 Obs. de L Ametlla del Valles, Barcelona.  Observer A. Garrigos.  0.51-m
        f/4.0 reflector + CCD.
    C82 Osservatorio Astronomico Nastro Verde, Sorrento.  Observer N. Ruocco.
        0.35-m f/6.3 Schmidt-Cassegrain + CCD.
    F51 Pan-STARRS 1, Haleakala.  Observers J. Bulger, T. Lowe, A. Schultz, I.
        Smith, K. Chambers.  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.
    G02 KYSUCE Observatory, Kysucke Nove Mesto.  Observer M. Urbanik.  0.40-m
        f/4.5 Corrected Dall-Kirkham + CCD.
    H21 Astronomical Research Observatory, Westfield.  Observer R. Holmes.
        Measurers T. Linder, R. Holmes, L. Horn.  0.81-m f/4.0 astrograph + CCD,
        0.76-m f/3.0 astrograph + CCD.
    N51 GROWTH India Telescope, IAO, Hanle.  Observers V. Swain, K. Sharma, H.
        Kumar, U. Stanzin, V. Bhalerao, G. C. Anupama, S. Barway.  Measurers V.
        Swain, K. Sharma.  0.70-m f/6.5 Corrected Dall-Kirkham + CCD.
    N88 Xingming Observatory #3, Nanshan.  Observer X. Gao.  Measurer Q.-Z. Ye.
        0.6-m f/8 Ritchey-Chretien + CCD.
    W34 Squirrel Valley Observatory, Columbus.  Observer R. L. Flynn.  0.36-m
        f/1.9 Schmidt-Cassegrain + CCD.
    
    Orbital elements:
    2021 SU                                                  Earth MOID = 0.0246 AU
    Epoch 2021 July 5.0 TT = JDT 2459400.5                  Veres                   
    M 346.72340              (2000.0)            P               Q                  
    n   0.28107801     Peri.  312.66870     +0.75949799     +0.65045198             
    a   2.3080832      Node     6.77189     -0.57328607     +0.67556927             
    e   0.5804199      Incl.    4.21246     -0.30741808     +0.34715758             
    P   3.51           H   24.79          G   0.15           U   8                  
    Residuals in seconds of arc
    210925 F51  0.0   0.0     210926 734  0.0   0.3+    210926 G02  1.6+  0.7+
    210925 F51  0.1-  0.0     210926 734 (1.3-  0.8-)   210926 G02  1.7+  1.3+
    210925 F51  0.1-  0.0     210926 H21  0.5+  0.3-    210926 C82  0.8-  0.5-
    210925 F51  0.1-  0.2+    210926 H21  0.3+  0.3-    210926 C82  1.5+  1.5-
    210925 F51  0.3-  0.3+    210926 H21  0.4+  0.2-    210926 C82  1.5-  0.8+
    210925 F51  0.2-  0.3+    210926 H21  0.5+  0.3-    210926 B37 (0.1+  1.8+)
    210925 N88  0.2+  0.4+    210926 H21  0.4+  0.3-    210926 B37  0.5+  0.3-
    210925 N88  0.2+  0.3+    210926 H21  0.3+  0.3-    210926 B37  0.4-  0.4+
    210925 246  0.1+  0.5-    210926 F51  0.1+  0.1-    210927 W34  0.4-  0.0
    210925 246  0.4+  0.1-    210926 F51  0.0   0.3-    210927 W34  0.3-  0.2+
    210925 246  0.0   0.2-    210926 F51  0.1+  0.0     210927 W34  0.3-  0.1-
    210925 246  0.6-  0.1+    210926 F51  0.1+  0.1+    210927 H21 (1.2-  1.5-)
    210925 G02  0.3+  0.7-    210926 N51  0.1+  1.2+    210927 H21 (0.9-  1.5-)
    210925 G02  0.4+  0.6-    210926 N51  0.5+  2.1+    210927 H21 (0.9-  1.6-)
    210926 734  0.2-  1.1-    210926 G02  1.5+  1.0+
    
    Ephemeris:
    2021 SU                  a,e,i = 2.31, 0.58, 4                   q = 0.9684
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2021 08 28    14 07 40.8 -35 16 30   0.1244  0.9726    69.0   104.1    24.0
    ...
    2021 09 12    17 19 50.1 -56 27 09   0.04591 1.0104    93.5    83.9    21.1
    ...
    2021 09 20    23 10 32.7 -25 15 21   0.04469 1.0448   154.2    24.7    19.3
    ...
    2021 09 26    00 11 29.2 -03 27 58   0.07345 1.0759   175.4     4.3    19.7
    2021 09 27    00 16 35.8 -01 26 37   0.07920 1.0815   177.0     2.8    19.7
    2021 09 28    00 20 59.6 +00 18 16   0.08511 1.0872   178.2     1.7    19.8
    ...
    2021 10 04    00 38 04.5 +07 04 45   0.1231  1.1234   177.1     2.6    20.8
    ...
    2021 10 12    00 49 12.4 +11 16 03   0.1791  1.1763   173.8     5.3    21.8
    ...
    2021 10 27    01 00 11.1 +14 15 49   0.3007  1.2858   164.2    12.2    23.5
    
    M. P. C. Staff               (C) Copyright 2021 MPC           M.P.E.C. 2021-S93
    


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