[Iaude] MPEC S178: 2023 SU4 [a=2.67,e=0.63,i=2.8,H=27.2]

Sat Sep 23 10:34:39 EDT 2023

M.P.E.C. 2023-S178                           Issued 2023 September 23, 14:33 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 SU4                                    


Observations:
     K23S04U*1C2023 09 20.23938123 18 53.971-03 27 05.80         20.19GVES178G96
     K23S04U 1C2023 09 20.24505523 19 03.158-03 25 23.52         19.78GVES178G96
     K23S04U 1C2023 09 20.25636223 19 21.245-03 22 01.34         20.16GVES178G96
     K23S04U mC2023 09 20.34071123 21 34.340-02 57 09.97         19.71GVES178I52
     K23S04U mC2023 09 20.34097423 21 34.754-02 57 04.97         19.73GVES178I52
     K23S04U mC2023 09 20.34123723 21 35.118-02 57 00.97         20.81GVES178I52
     K23S04U 1C2023 09 20.90849 23 36 08.29 -00 25 43.9          20.1 VXES178033
     K23S04U 1C2023 09 20.90908 23 36 09.05 -00 25 35.5          20.1 VXES178033
     K23S04U 1C2023 09 20.90966 23 36 09.83 -00 25 26.7          20.3 VXES178033
     K23S04U 1C2023 09 20.91030 23 36 10.71 -00 25 17.0          20.1 VXES178033
     K23S04U KB2023 09 20.93873623 36 51.10 -00 17 56.7          20.1 GVES178I93
     K23S04U KB2023 09 20.94118623 36 54.29 -00 17 21.2          19.7 GVES178I93
     K23S04U KB2023 09 20.94357623 36 57.45 -00 16 46.2          20.1 GVES178I93
     K23S04U KC2023 09 23.25533700 16 27.65 +06 38 33.1          21.3 VuES178H21
     K23S04U KC2023 09 23.25842100 16 29.77 +06 38 57.1          20.9 VuES178H21
     K23S04U KC2023 09 23.26194500 16 32.19 +06 39 24.0          20.8 VuES178H21

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.
H21 Astronomical Research Observatory, Westfield.  Observer R. Holmes.
    Measurers T. Linder, R. Holmes, L. Horn.  1.3-m f/4.0 astrograph + 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.

Orbital elements:
2023 SU4                                                 Earth MOID = 0.0062 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5                Veres                   
M   4.07452              (2000.0)            P               Q                  
n   0.22629959     Peri.  328.77703     +0.81618155     +0.57778540             
a   2.6669418      Node   355.92310     -0.51969744     +0.73151217             
e   0.6347986      Incl.    2.75896     -0.25251188     +0.36201378             
P   4.36           H   27.24          G   0.15           U   8                  
Residuals in seconds of arc
230920 G96  0.6-  0.1-    230920 033  0.1+  0.1+    230920 I93  0.3+  0.0
230920 G96  0.5+  0.4+    230920 033  0.3-  0.3-    230923 H21  0.1+  0.0
230920 G96  0.2+  0.2+    230920 033  0.2-  0.1-    230923 H21  0.0   0.1+
230920 I52  0.4+  0.1+    230920 033  0.2+  0.1+    230923 H21  0.1-  0.1-
230920 I52  0.5+  0.5+    230920 I93  0.2+  0.6+
230920 I52  0.2-  0.1-    230920 I93  0.2-  0.1+

Ephemeris:
2023 SU4                 a,e,i = 2.67, 0.63, 3                   q = 0.9740
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2023 08 24    14 22 25.0 -24 53 32   0.1484  0.9744    71.5   100.2    26.7
...
2023 09 08    15 22 15.5 -30 20 28   0.05966 0.9905    71.6   105.1    25.0
...
2023 09 16    19 36 43.6 -31 30 56   0.02234 1.0162   117.7    61.1    21.2
...
2023 09 22    23 57 59.2 +03 28 31   0.03854 1.0424   175.8     4.1    20.6
2023 09 23    00 13 09.2 +06 06 14   0.04395 1.0473   172.6     7.1    21.1
2023 09 24    00 25 01.4 +08 07 24   0.04962 1.0523   170.1     9.4    21.5
...
2023 09 30    01 02 11.4 +14 05 30   0.08627 1.0852   164.9    13.9    22.9
...
2023 10 08    01 19 23.5 +16 30 52   0.1392  1.1355   167.2    11.3    23.9
...
2023 10 23    01 29 19.6 +17 19 57   0.2514  1.2447   172.3     6.1    25.2

M. P. C. Staff               (C) Copyright 2023 MPC           M.P.E.C. 2023-S178