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  • MPEC 2023-S169 : 2023 SP4

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    M.P.E.C. 2023-S169                           Issued 2023 September 23, 02:04 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 SP4                                 
    
    
    Observations:
         K23S04P*1C2023 09 20.44118704 07 07.547-00 50 08.34         20.93GVES169G96
         K23S04P 1C2023 09 20.44637404 07 05.117-00 47 57.80               VES169G96
         K23S04P 1C2023 09 20.45155604 07 02.824-00 45 50.40         20.05GVES169G96
         K23S04P 1C2023 09 20.45676504 07 00.383-00 43 37.96         20.23GVES169G96
         K23S04P KC2023 09 20.48081004 06 49.352-00 33 35.60         20.07GVES169I52
         K23S04P KC2023 09 20.48142404 06 49.064-00 33 20.05         19.91GVES169I52
         K23S04P KC2023 09 20.48204704 06 48.769-00 33 04.14         20.59GVES169I52
         K23S04P KC2023 09 20.48266204 06 48.474-00 32 48.84         20.65GVES169I52
         K23S04P  C2023 09 20.49279104 06 42.911-00 28 40.71         20.4 GVES169H01
         K23S04P  C2023 09 20.49591504 06 41.478-00 27 22.10         20.5 GVES169H01
         K23S04P  C2023 09 20.49982304 06 39.684-00 25 44.11         20.0 GVES169H01
         K23S04P  C2023 09 20.50323004 06 38.124-00 24 18.52         20.2 GVES169H01
         K23S04P mC2023 09 21.37731104 01 24.316+05 42 16.49         20.62GVES169I52
         K23S04P mC2023 09 21.37950004 01 23.380+05 43 10.85         20.64GVES169I52
         K23S04P mC2023 09 21.37983204 01 23.250+05 43 19.67         19.89GVES169I52
         K23S04P mC2023 09 21.38016404 01 23.070+05 43 28.09         20.16GVES169I52
         K23S04P KC2023 09 21.38059604 01 22.915+05 43 39.11         21.21GVES169I52
         K23S04P KC2023 09 21.38164504 01 22.393+05 44 04.88         19.55GVES169I52
         K23S04P KC2023 09 21.38216704 01 22.141+05 44 18.35         20.86GVES169I52
         K23S04P KC2023 09 22.91573403 51 39.948+16 10 39.79         20.2 rZES169M57
         K23S04P KC2023 09 22.96095903 51 20.671+16 28 44.83         20.2 rZES169M57
         K23S04P KB2023 09 22.96651003 51 18.59 +16 30 21.2          20.5 GVES169I93
         K23S04P KB2023 09 22.97773603 51 13.86 +16 34 50.3          20.3 GVES169I93
         K23S04P KC2023 09 23.02709803 50 51.370+16 54 01.55         20.6 GVES169J95
         K23S04P KC2023 09 23.03602403 50 47.441+16 57 33.08         19.9 GVES169J95
         K23S04P KC2023 09 23.04249303 50 44.633+17 00 07.06         20.3 GVES169J95
         K23S04P KC2023 09 23.05229703 50 40.260+17 03 59.26         20.5 GVES169J95
    
    Observer details:
    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.  Observer 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.
    M57 Wide-field Mufara Telescope, Isnello.  Observer A. Nastasi.  1.00-m f/2.1
        reflector + CCD.
    
    Orbital elements:
    2023 SP4                                                 Earth MOID = 0.0180 AU
    Epoch 2023 Sept. 13.0 TT = JDT 2460200.5                Veres                   
    M   4.36793              (2000.0)            P               Q                  
    n   0.68581961     Peri.  342.21754     +0.96009545     +0.27961013             
    a   1.2734917      Node     1.58187     -0.22348835     +0.77974823             
    e   0.2040191      Incl.   12.35816     -0.16813593     +0.56018825             
    P   1.44           H   25.75          G   0.15           U   8                  
    Residuals in seconds of arc
    230920 G96  0.3-  1.0+    230920 H01  0.0   0.0     230921 I52  0.1-  0.2+
    230920 G96  1.1-  1.5+    230920 H01  0.0   0.1-    230922 M57  0.6-  0.1+
    230920 G96  0.2+  1.1-    230920 H01  0.0   0.1-    230922 M57  0.2+  0.5+
    230920 G96  0.5-  0.7+    230921 I52  0.5-  0.6+    230922 I93  0.0   0.0
    230920 I52  0.3+  0.3-    230921 I52  0.3+  0.2-    230922 I93  0.0   0.7+
    230920 I52  0.2+  0.1-    230921 I52  0.6+  0.3+    230923 J95  0.2-  0.0
    230920 I52  0.1+  0.2+    230921 I52  0.2+  0.3+    230923 J95  0.3-  0.4-
    230920 I52  0.1-  0.0     230921 I52  0.8+  0.5+    230923 J95  0.4+  0.1+
    230920 H01  0.0   0.2-    230921 I52  0.1+  0.2-    230923 J95  0.1+  0.0
    
    Ephemeris:
    2023 SP4                 a,e,i = 1.27, 0.20, 12                  q = 1.0137
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2023 08 24    06 07 08.5 -68 54 02   0.1162  1.0191    90.6    82.8    24.0
    ...
    2023 09 08    05 11 35.5 -53 52 04   0.06288 1.0137    93.7    82.7    22.7
    ...
    2023 09 16    04 32 43.1 -28 11 21   0.03925 1.0162   104.6    73.3    21.3
    ...
    2023 09 22    03 57 20.0 +10 02 36   0.03372 1.0205   118.6    59.7    20.6
    2023 09 23    03 50 54.0 +16 45 43   0.03451 1.0215   120.1    58.2    20.6
    2023 09 24    03 44 19.5 +23 04 41   0.03577 1.0224   121.3    57.0    20.6
    ...
    2023 09 30    03 02 27.6 +49 28 57   0.05043 1.0293   122.1    55.5    21.3
    ...
    2023 10 08    02 04 11.5 +63 34 06   0.07837 1.0414   120.5    55.7    22.3
    ...
    2023 10 23    00 41 40.6 +69 01 37   0.1361  1.0718   121.1    52.6    23.5
    
    M. P. C. Staff               (C) Copyright 2023 MPC           M.P.E.C. 2023-S169
    


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