[Iaude] MPEC S157: 2023 SC4 [a=1.53,e=0.39,i=7.1,H=26.0]

Fri Sep 22 13:46:47 EDT 2023

M.P.E.C. 2023-S157                           Issued 2023 September 22, 17:45 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 SC4                                    


Observations:
     K23S04C*1C2023 09 20.21604022 46 22.454-01 48 33.84         20.89GVES157G96
     K23S04C 1C2023 09 20.22173022 46 21.054-01 47 43.37               VES157G96
     K23S04C 1C2023 09 20.22743322 46 19.650-01 46 52.32         20.63GVES157G96
     K23S04C 1C2023 09 20.23313322 46 18.246-01 46 01.42         20.69GVES157G96
     K23S04C KC2023 09 20.25472722 46 12.850-01 42 47.30         21.12GVES157I52
     K23S04C KC2023 09 20.25844822 46 12.000-01 42 13.60         20.75GVES157I52
     K23S04C KC2023 09 20.33579822 45 52.816-01 30 33.80         20.67GVES157I52
     K23S04C KC2023 09 20.33704322 45 52.520-01 30 22.64         20.21GVES157I52
     K23S04C KC2023 09 20.33828722 45 52.196-01 30 11.92         20.15GVES157I52
     K23S04C KC2023 09 20.33953722 45 51.901-01 30 00.07         20.30GVES157I52
     K23S04C 1C2023 09 20.78846 22 44 29.81 -00 20 17.2          20.3 VXES157033
     K23S04C 1C2023 09 20.78955 22 44 29.55 -00 20 06.9          20.7 VXES157033
     K23S04C 1C2023 09 20.79065 22 44 29.29 -00 19 56.1          21.2 VXES157033
     K23S04C KB2023 09 20.94606 22 43 50.856+00 05 28.43         20.6 GXES157L38
     K23S04C KB2023 09 20.97154 22 43 44.400+00 09 42.30         20.0 GXES157L38
     K23S04C KC2023 09 22.12870522 39 24.84 +03 40 09.0          20.6 GXES157858
     K23S04C KC2023 09 22.13539722 39 22.86 +03 41 28.5          20.2 GXES157858
     K23S04C KC2023 09 22.14240922 39 20.76 +03 42 51.9          20.4 GXES157858

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.
858 Tebbutt Observatory, Edgewood.  Observer F. B. Zoltowski.  0.51-m f/8.1
    Schmidt-Cassegrain + 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.
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.
L38 Gartensternwarte Schafsweide, Sehlde.  Observer A. Opitz.  0.35-m f/5.2
    Newton + CMO.

Orbital elements:
2023 SC4                                                 Earth MOID = 0.0315 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5                Bell                    
M 332.24027              (2000.0)            P               Q                  
n   0.51884385     Peri.   56.88543     +0.63804530     -0.76987003             
a   1.5338337      Node   353.41423     +0.65921908     +0.55560977             
e   0.3891325      Incl.    7.05329     +0.39790501     +0.31400306             
P   1.90           H   26.07          G   0.15           U   9                  
Residuals in seconds of arc
230920 G96  0.1+  0.2+    230920 I52  0.1+  0.3+    230920 033  0.1+  0.0
230920 G96  0.0   0.2-    230920 I52  0.2+  0.1+    230920 L38  0.2-  0.1-
230920 G96  0.0   0.1-    230920 I52  0.1-  0.5-    230920 L38  0.2-  0.2+
230920 G96  0.0   0.3-    230920 I52  0.1+  0.0     230922 858  0.1-  0.1+
230920 I52  0.7-  0.1+    230920 033  0.1+  0.1+    230922 858  0.1+  0.0
230920 I52  0.4+  0.3+    230920 033  0.1+  0.2-    230922 858  0.0   0.1-

Ephemeris:
2023 SC4                 a,e,i = 1.53, 0.39, 7                   q = 0.9370
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2023 08 23    23 15 53.3 -21 36 12   0.2113  1.2127   160.5    16.1    24.0
...
2023 09 07    23 09 32.9 -17 35 29   0.1229  1.1286   168.6    10.2    22.4
...
2023 09 15    22 59 04.3 -11 03 08   0.08218 1.0868   169.3     9.9    21.5
...
2023 09 21    22 43 40.5 +00 16 23   0.05538 1.0574   163.2    15.9    20.8
2023 09 22    22 39 51.0 +03 16 20   0.05139 1.0527   161.0    18.1    20.7
2023 09 23    22 35 26.2 +06 45 29   0.04761 1.0481   158.3    20.7    20.6
...
2023 09 29    21 41 17.3 +41 44 45   0.03241 1.0217   126.8    51.7    20.6
...
2023 10 07    14 29 11.2 +70 32 47   0.04507 0.9910    77.6    99.9    22.9
...
2023 10 22    12 02 28.9 +47 18 11   0.1070  0.9504    62.3   112.0    25.4

M. P. C. Staff               (C) Copyright 2023 MPC           M.P.E.C. 2023-S157