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  • MPEC 2022-S145 : 2022 SY4

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    M.P.E.C. 2022-S145                           Issued 2022 September 22, 06:40 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
    
                                    2022 SY4                                 
    
    
    Observations:
         K22S04Y* C2022 09 20.35477723 43 33.204-09 22 19.55         21.27wUES145F52
         K22S04Y  C2022 09 20.36497123 43 35.132-09 22 43.06         21.86wUES145F52
         K22S04Y  C2022 09 20.38541323 43 38.950-09 23 30.27         21.44wUES145F52
         K22S04Y  C2022 09 20.50011123 44 00.587-09 27 49.74         21.3 GVES145F52
         K22S04Y  C2022 09 20.50074123 44 00.700-09 27 51.09         21.1 GVES145F52
         K22S04Y |C2022 09 21.11791 23 47 17.83 -09 50 59.3          21.1 VuES145807
         K22S04Y |C2022 09 21.12442 23 47 19.47 -09 51 18.3          21.1 VuES145807
         K22S04Y |C2022 09 21.13094 23 47 21.17 -09 51 37.0          21.2 VuES145807
         K22S04Y ^C2022 09 21.36746023 48 44.309-10 06 22.53         20.92GVES145568
         K22S04Y ^C2022 09 21.36843823 48 44.576-10 06 25.57         20.97GVES145568
         K22S04Y ^C2022 09 21.36942723 48 44.852-10 06 28.70         21.04GVES145568
         K22S04Y |C2022 09 22.14752 23 54 14.48 -10 48 37.7          21.2 VuES145807
         K22S04Y |C2022 09 22.15406 23 54 17.09 -10 49 04.8          20.7 VuES145807
         K22S04Y |C2022 09 22.16060 23 54 19.75 -10 49 31.5          21.2 VuES145807
    
    Observer details:
    568 Mauna Kea.  Observers R. Wainscoat, C. Cunningham, H. Flewelling.
        Measurers R. Weryk, R. Wainscoat.  3.6-m Canada-France-Hawaii Telescope +
        CCD.
    807 Cerro Tololo Observatory, La Serena.  Observers T. Linder, R. Holmes, L.
        Horn.  0.61-m f/6.5 Dall-Kirkham Astrograph + CCD.
    F52 Pan-STARRS 2, 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, M. Micheli.  1.8-m Ritchey-Chretien + CCD.
    
    Orbital elements:
    2022 SY4                                                 Earth MOID = 0.0041 AU
    Epoch 2022 Aug. 9.0 TT = JDT 2459800.5                  Veres                   
    M 315.43500              (2000.0)            P               Q                  
    n   0.47691550     Peri.  352.95350     +0.40778995     -0.91306188             
    a   1.6224641      Node    72.98032     +0.83798743     +0.37205861             
    e   0.4905477      Incl.    0.30176     +0.36260781     +0.16700417             
    P   2.07           H   27.65          G   0.15           U   7                  
    Residuals in seconds of arc
    220920 F52  0.2-  0.0     220921 807  0.4+  0.2+    220921 568  0.0   0.0
    220920 F52  0.1-  0.0     220921 807  0.3-  0.0     220922 807  0.4-  0.0
    220920 F52  0.0   0.3-    220921 807  0.1-  0.0     220922 807  0.3-  0.2-
    220920 F52  0.2+  0.2-    220921 568  0.0   0.0     220922 807  0.6+  0.1+
    220920 F52  0.0   0.1-    220921 568  0.0   0.0
    
    Ephemeris:
    2022 SY4                 a,e,i = 1.62, 0.49, 0                   q = 0.8266
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2022 08 23    23 18 53.9 -05 59 46   0.2596  1.2600   161.3    14.9    26.1
    ...
    2022 09 07    23 24 40.3 -06 31 04   0.1391  1.1463   174.2     5.1    24.1
    ...
    2022 09 15    23 30 51.0 -07 29 26   0.08134 1.0869   175.7     3.9    22.7
    ...
    2022 09 21    23 46 33.4 -09 46 55   0.03999 1.0437   171.1     8.6    21.3
    2022 09 22    23 52 59.1 -10 40 25   0.03325 1.0367   169.8     9.8    21.0
    2022 09 23    00 02 43.4 -11 59 25   0.02658 1.0297   168.1    11.6    20.5
    ...
    2022 09 29    09 58 53.0 -05 48 57   0.01609 0.9889    35.4   144.0    26.1
    ...
    2022 10 07    11 00 13.9 +02 59 25   0.06982 0.9388    28.5   149.5    30.1
    ...
    2022 10 22    11 19 05.6 +03 44 21   0.1781  0.8646    39.1   133.4    29.6
    
    M. P. C. Staff               (C) Copyright 2022 MPC           M.P.E.C. 2022-S145
    


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