[Iaude] MPEC S163: 2023 SK4 [a=1.35,e=0.38,i=8.0,H=24.9]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Fri Sep 22 17:34:48 EDT 2023


M.P.E.C. 2023-S163                           Issued 2023 September 22, 21:33 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 at CFA.HARVARD.EDU
            URL https://www.minorplanetcenter.net/    ISSN 1523-6714

                                    2023 SK4                                    


Observations:
     K23S04K*1C2023 09 21.22458422 44 07.663+07 54 02.41         19.22GVES163703
     K23S04K 1C2023 09 21.23593422 44 16.048+07 51 46.66         19.48GVES163703
     K23S04K 1C2023 09 21.24160822 44 20.184+07 50 38.69         20.49GVES163703
     K23S04K mC2023 09 21.29340522 44 57.746+07 40 21.43         19.01GVES163I52
     K23S04K mC2023 09 21.29365622 44 57.937+07 40 18.23         19.18GVES163I52
     K23S04K mC2023 09 21.29390722 44 58.132+07 40 14.99         19.01GVES163I52
     K23S04K mC2023 09 21.29415822 44 58.301+07 40 12.32         18.87GVES163I52
     K23S04K mC2023 09 21.35140922 45 39.676+07 28 55.67         19.87GVES163I52
     K23S04K mC2023 09 21.35167222 45 39.874+07 28 52.57         19.59GVES163I52
     K23S04K mC2023 09 21.35193422 45 40.054+07 28 49.30         19.80GVES163I52
     K23S04K mC2023 09 21.35219722 45 40.284+07 28 46.13         19.85GVES163I52
     K23S04K  C2023 09 21.79228 22 51 15.08 +06 09 34.1          19.1 GVES163M28
     K23S04K  C2023 09 21.79434 22 51 16.44 +06 09 12.2          19.2 GVES163M28
     K23S04K  C2023 09 21.79642 22 51 17.79 +06 08 50.0          19.4 GVES163M28
     K23S04K KC2023 09 22.76452923 01 33.002+03 28 50.23         19.0 rZES163M57
     K23S04K KC2023 09 22.78066023 01 41.765+03 26 28.93         19.4 rZES163M57
     K23S04K KC2023 09 22.78551323 01 44.340+03 25 45.77         19.4 rZES163M57
     K23S04K  B2023 09 22.79684 23 01 50.65 +03 23 54.5          18.2 VZES163C95
     K23S04K KB2023 09 22.80757 23 01 56.46 +03 22 20.8          19.4 VZES163C95
     K23S04K KB2023 09 22.81457 23 02 00.24 +03 21 19.2          19.3 VZES163C95
     K23S04K KC2023 09 22.82750023 02 07.104+03 19 12.94         19.1 GVES163J95
     K23S04K KB2023 09 22.82897823 02 08.40 +03 19 12.7          19.1 GVES163I93
     K23S04K KC2023 09 22.83070823 02 08.844+03 18 45.36         19.1 GVES163J95
     K23S04K KB2023 09 22.83183623 02 09.96 +03 18 48.0          19.3 GVES163I93
     K23S04K KC2023 09 22.83339423 02 10.284+03 18 21.46         19.5 GVES163J95
     K23S04K KB2023 09 22.83457723 02 11.45 +03 18 23.8          19.4 GVES163I93
     K23S04K KC2023 09 22.83628323 02 11.851+03 17 56.98         19.6 GVES163J95

Observer details:
703 Catalina Sky Survey.  Observer R. A. Kowalski.  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.  0.68-m
    Schmidt + 10K CCD.
C95 SATINO Remote Observatory, Haute Provence.  Observer D. Husar.  0.30-m
    f/5.8 reflector + CMO.
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.
M28 Lesedi Telescope-SAAO Observatory, Sutherland.  Observers N. Erasmus, S.
    Potter, C. van Gend, S. Chandra, H. Worters.  Measurers T. Ngwane, N.
    Erasmus.  1.0-m f/8 Reflector + CCD.
M57 Wide-field Mufara Telescope, Isnello.  Observer A. Nastasi.  1.00-m f/2.1
    reflector + CCD.

Orbital elements:
2023 SK4                                                 Earth MOID = 0.0291 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5                Veres                   
M  31.70038              (2000.0)            P               Q                  
n   0.62805204     Peri.   99.35262     +0.19912192     +0.97996088             
a   1.3504307      Node   182.15393     -0.94471601     +0.19054170             
e   0.3824253      Incl.    7.96810     -0.26050358     +0.05805638             
P   1.57           H   24.90          G   0.15           U   9                  
Residuals in seconds of arc
230921 703  0.5-  0.3+    230921 I52  0.1-  0.5-    230922 C95  0.5-  0.2+
230921 703  0.6+  0.4+    230921 I52  0.5+  0.6-    230922 C95  0.3-  0.4-
230921 703  0.4+  0.3+    230921 M28  0.0   0.1+    230922 J95  0.0   0.1-
230921 I52  0.6-  0.0     230921 M28  0.2+  0.1+    230922 I93  0.6-  0.1+
230921 I52  0.4-  0.2-    230921 M28  0.1+  0.1+    230922 J95  0.1+  0.2+
230921 I52  0.2-  0.5-    230922 M57  0.3-  0.1+    230922 I93  0.2-  0.2+
230921 I52  0.4-  0.2-    230922 M57  0.2-  0.3+    230922 J95  0.0   0.4-
230921 I52  0.1-  0.3-    230922 M57  0.8-  0.4-    230922 I93  0.2+  0.2-
230921 I52  0.0   0.3-    230922 C95  0.7-  0.3+    230922 J95  0.2+  0.2+

Ephemeris:
2023 SK4                 a,e,i = 1.35, 0.38, 8                   q = 0.8340
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2023 08 23    12 57 23.7 +25 00 23   0.1610  0.8996    42.6   130.4    26.5
...
2023 09 07    14 14 52.9 +36 23 50   0.06329 0.9717    53.5   123.5    24.0
...
2023 09 15    19 21 57.7 +41 30 43   0.03101 1.0161   108.4    70.0    19.8
...
2023 09 21    22 41 02.1 +08 41 22   0.04968 1.0511   160.1    18.9    19.5
2023 09 22    22 53 31.5 +05 31 47   0.05520 1.0571   163.6    15.5    19.6
2023 09 23    23 03 38.3 +02 56 30   0.06101 1.0630   166.1    13.1    19.7
...
2023 09 29    23 38 06.9 -05 44 58   0.09952 1.0992   167.1    11.8    20.8
...
2023 10 07    23 57 25.6 -09 59 26   0.1563  1.1480   160.2    17.1    22.1
...
2023 10 22    00 14 40.3 -11 44 48   0.2764  1.2394   148.4    24.9    23.7

M. P. C. Staff               (C) Copyright 2023 MPC           M.P.E.C. 2023-S163





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