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  • MPEC 2023-S176 : 2023 SS4

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    M.P.E.C. 2023-S176                           Issued 2023 September 23, 14:31 UT
    
         The Minor Planet Electronic Circulars contain information on unusual
             minor planets, routine data on comets and natural satellites,
             and occasional editorial announcements.  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
    
                                    2023 SS4                                 
    
    
    Observations:
         K23S04S* C2023 09 20.47607201 12 07.387+18 15 40.61         21.69GVES176V00
         K23S04S  C2023 09 20.48098001 12 05.728+18 16 07.36         21.26GVES176V00
         K23S04S  C2023 09 20.48587301 12 04.093+18 16 33.56         21.27GVES176V00
         K23S04S  C2023 09 20.49076101 12 02.444+18 17 00.49         22.02GVES176V00
         K23S04S mC2023 09 20.50959601 11 56.281+18 18 41.36         21.74GVES176V00
         K23S04S mC2023 09 20.51055401 11 55.964+18 18 46.19         21.47GVES176V00
         K23S04S mC2023 09 20.51151401 11 55.648+18 18 51.55         21.52GVES176V00
         K23S04S mC2023 09 20.51247301 11 55.338+18 18 56.66         22.08GVES176V00
         K23S04S KC2023 09 21.23239 01 09 01.31 +19 19 45.8          22.0 RoES176291
         K23S04S KC2023 09 21.24269 01 08 58.36 +19 20 35.4          21.5 RoES176291
         K23S04S KC2023 09 21.25303 01 08 55.38 +19 21 24.2          21.4 RoES176291
         K23S04S KC2023 09 22.29188301 05 03.62 +20 30 53.7          22.0 VuES176H21
         K23S04S KC2023 09 22.30071801 05 01.46 +20 31 24.5          21.9 VuES176H21
         K23S04S KC2023 09 22.30625701 05 00.09 +20 31 44.0          22.2 VuES176H21
         K23S04S KC2023 09 23.35541 01 01 54.43 +21 26 50.7          22.3 RoES176291
         K23S04S KC2023 09 23.36506 01 01 52.41 +21 27 17.2          21.8 RoES176291
         K23S04S KC2023 09 23.37475 01 01 50.38 +21 27 43.7          22.5 RoES176291
    
    Observer details:
    291 LPL/Spacewatch II.  Observers J. V. Scotti, M. T. Read.  1.8-m f/2.7
        reflector + CCD.
    H21 Astronomical Research Observatory, Westfield.  Observer R. Holmes.
        Measurers T. Linder, R. Holmes, L. Horn.  1.3-m f/4.0 astrograph + CCD.
    V00 Kitt Peak-Bok.  Observer H. Groeller.  Measurers M. J. Brucker, C. E.
        Woodward, D. Fay, J. B. Fazekas, D. C. Fuls, A. R. Gibbs, H. Groeller, J.
        K. Hogan, R. A. Kowalski, S. M. Larson, C. Lejoly, G. J. Leonard, R. A.
        Mastaler, R. S. McMillan, D. Rankin, R. L. Seaman, A. Serrano, F. C.
        Shelly, K. W. Wierzchos.  2.25-m reflector + 4x4K mosaic CCD.
    
    Orbital elements:
    2023 SS4                                                 Earth MOID = 0.0112 AU
    Epoch 2023 Sept. 13.0 TT = JDT 2460200.5                Veres                   
    M   9.92536              (2000.0)            P               Q                  
    n   0.32571034     Peri.  315.18215     +0.64313631     +0.76565016             
    a   2.0920963      Node   354.79849     -0.65834021     +0.54453261             
    e   0.5585539      Incl.    7.90669     -0.39110595     +0.34243842             
    P   3.03           H   27.03          G   0.15           U   8                  
    Residuals in seconds of arc
    230920 V00  0.3+  0.4-    230920 V00  0.2-  0.2-    230922 H21  0.3+  0.8-
    230920 V00  0.1+  0.2-    230920 V00  0.2-  0.2-    230922 H21  0.0   0.7-
    230920 V00  0.2+  0.5-    230921 291  0.1-  0.6+    230923 291  0.1-  0.2+
    230920 V00  0.2-  0.0     230921 291  0.1-  1.0+    230923 291  0.1-  0.1+
    230920 V00  0.0   0.1-    230921 291  0.0   0.6+    230923 291  0.1-  0.0
    230920 V00  0.1-  0.4-    230922 H21  0.3+  0.4-
    
    Ephemeris:
    2023 SS4                 a,e,i = 2.09, 0.56, 8                   q = 0.9235
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2023 08 24    12 17 38.6 -32 10 50   0.1402  0.9341    53.3   119.8    27.4
    ...
    2023 09 08    11 32 51.6 -43 28 57   0.03864 0.9833    49.9   128.4    25.5
    ...
    2023 09 16    01 58 20.5 +01 21 22   0.02178 1.0232   143.3    35.9    20.2
    ...
    2023 09 22    01 06 02.7 +20 13 49   0.06041 1.0580   152.7    25.8    22.2
    2023 09 23    01 02 54.1 +21 10 04   0.06721 1.0642   153.3    25.0    22.5
    2023 09 24    01 00 16.2 +21 55 02   0.07406 1.0704   153.9    24.3    22.7
    ...
    2023 09 30    00 50 22.9 +24 17 22   0.1161  1.1097   157.2    20.5    23.6
    ...
    2023 10 08    00 43 59.9 +25 04 47   0.1751  1.1659   160.4    16.7    24.5
    ...
    2023 10 23    00 40 41.0 +24 25 12   0.2991  1.2792   159.2    16.0    25.8
    
    M. P. C. Staff               (C) Copyright 2023 MPC           M.P.E.C. 2023-S176
    


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