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  • MPEC 2023-S166 : 2023 SM4

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    M.P.E.C. 2023-S166                           Issued 2023 September 23, 01:34 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 SM4                                 
    
    
    Observations:
         K23S04M*1C2023 09 20.31725601 00 30.193-06 03 37.73         20.67GVES166G96
         K23S04M 1C2023 09 20.32245501 00 25.621-06 01 37.74         20.74GVES166G96
         K23S04M 1C2023 09 20.33286601 00 16.420-05 57 34.24         21.62GVES166G96
         K23S04M KC2023 09 20.39827500 59 18.910-05 32 16.94         20.30GVES166I52
         K23S04M KC2023 09 20.39988700 59 17.527-05 31 39.40         20.57GVES166I52
         K23S04M KC2023 09 20.40149600 59 16.080-05 31 02.17         20.72GVES166I52
         K23S04M KC2023 09 20.40311300 59 14.662-05 30 24.59         20.43GVES166I52
         K23S04M  C2023 09 20.46486600 58 20.596-05 06 32.65         20.7 GVES166H01
         K23S04M  C2023 09 20.46969800 58 16.419-05 04 40.46         20.7 GVES166H01
         K23S04M  C2023 09 20.48119800 58 06.522-05 00 13.31         20.4 GVES166H01
         K23S04M  C2023 09 20.48642900 58 02.017-04 58 12.01         20.3 GVES166H01
         K23S04M 1C2023 09 20.96631 00 51 35.00 -01 54 06.4          20.7 VXES166033
         K23S04M 1C2023 09 20.96700 00 51 34.41 -01 53 50.7          20.2 VXES166033
         K23S04M 1C2023 09 20.96769 00 51 33.83 -01 53 34.5          20.4 VXES166033
         K23S04M KC2023 09 22.89249600 26 27.439+09 46 45.80         21.0 GVES166J95
         K23S04M KB2023 09 22.89351500 26 27.08 +09 47 18.5          20.6 GVES166I93
         K23S04M KB2023 09 22.90338300 26 19.41 +09 50 40.3          20.2 GVES166I93
         K23S04M KC2023 09 22.90617900 26 16.829+09 51 25.24         20.3 GVES166J95
         K23S04M KB2023 09 22.91145100 26 13.07 +09 53 24.7          20.1 GVES166I93
    
    Observer details:
    033 Karl Schwarzschild Observatory, Tautenburg.  Observers S. Melnikov, C.
        Hogner, F. Ludwig, M. Hartmann, B. Stecklum.  Measurer B. Stecklum.
        1.34-m f/3 Schmidt + CCD.
    G96 Mt. Lemmon Survey.  Observer J. K. Hogan.  Measurers E. J. Christensen, D.
        Fay, J. B. Fazekas, D. C. Fuls, A. R. Gibbs, A. D. Grauer, H. Groeller, J.
        K. Hogan, R. A. Kowalski, S. M. Larson, G. J. Leonard, D. Rankin, R. L.
        Seaman, A. Serrano, F. C. Shelly, K. W. Wierzchos.  1.5-m reflector + 10K
        CCD.
    H01 Magdalena Ridge Observatory, Socorro.  Observers W. H. Ryan, E. V. Ryan.
        Measurer W. H. Ryan.  2.4-m f/8.9 Ritchey-Chretien + CCD.
    I52 Steward Observatory, Mt. Lemmon Station.  Observer K. W. Wierzchos.
        Measurers E. J. Christensen, D. Fay, J. B. Fazekas, D. C. Fuls, A. R.
        Gibbs, A. D. Grauer, H. Groeller, J. K. Hogan, R. A. Kowalski, S. M.
        Larson, G. J. Leonard, D. Rankin, R. L. Seaman, A. Serrano, F. C. Shelly,
        K. W. Wierzchos.  1.0-m prime focus + CCD.
    I93 St Pardon de Conques.  Observers F. Losse, B. Tregon.  Measurer F. Losse.
        0.40-m f/3.7 reflector + CMO.
    J95 Great Shefford.  Observer P. Birtwhistle.  0.41-m f/6.3 Schmidt-Cassegrain
        + CCD.
    
    Orbital elements:
    2023 SM4                                                 Earth MOID = 0.0631 AU
    Epoch 2023 Sept. 13.0 TT = JDT 2460200.5                Veres                   
    M  10.23733              (2000.0)            P               Q                  
    n   0.55205703     Peri.  331.50663     +0.87208444     +0.48930978             
    a   1.4716801      Node   359.11076     -0.32577320     +0.57031779             
    e   0.2932252      Incl.   25.50833     -0.36515826     +0.65978296             
    P   1.79           H   25.73          G   0.15           U   8                  
    Residuals in seconds of arc
    230920 G96  0.4+  1.0-    230920 H01  0.2+  0.5-    230922 J95  0.1+  0.2-
    230920 G96  0.4+  1.6-    230920 H01  0.0   0.5-    230922 I93  0.2-  0.0
    230920 G96  0.1-  0.3+    230920 H01  0.1-  0.4-    230922 I93  0.1+  0.5+
    230920 I52  0.1+  0.8-    230920 H01  0.3-  0.6-    230922 J95  0.0   0.2+
    230920 I52  0.5+  0.6-    230920 033  1.0-  1.2+    230922 I93  0.6-  0.4+
    230920 I52  0.0   0.8-    230920 033  1.0-  1.1+
    230920 I52  0.0   0.7-    230920 033  0.9-  1.5+
    
    Ephemeris:
    2023 SM4                 a,e,i = 1.47, 0.29, 26                  q = 1.0401
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2023 08 24    05 27 36.3 -61 50 53   0.2254  1.0402    91.1    76.4    25.2
    ...
    2023 09 08    03 45 46.0 -53 27 15   0.1188  1.0474   106.4    67.4    23.6
    ...
    2023 09 16    02 02 39.0 -31 20 34   0.07318 1.0584   134.7    42.5    21.8
    ...
    2023 09 22    00 37 48.4 +04 33 57   0.06707 1.0697   167.9    11.3    20.7
    2023 09 23    00 25 03.8 +10 24 13   0.06965 1.0718   167.4    11.8    20.8
    2023 09 24    00 12 56.6 +15 43 14   0.07313 1.0739   164.2    14.8    21.0
    ...
    2023 09 30    23 14 24.2 +36 18 24   0.1066  1.0883   142.7    33.9    22.5
    ...
    2023 10 08    22 28 45.1 +46 27 27   0.1657  1.1108   128.8    44.5    23.8
    ...
    2023 10 23    21 59 34.2 +51 21 48   0.2865  1.1611   118.9    48.6    25.2
    
    M. P. C. Staff               (C) Copyright 2023 MPC           M.P.E.C. 2023-S166
    


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