[Iaude] MPEC S175: 2023 SR4 [a=1.74,e=0.40,i=6.9,H=26.4]

Sat Sep 23 10:32:21 EDT 2023

M.P.E.C. 2023-S175                           Issued 2023 September 23, 14:30 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 SR4                                    


Observations:
     K23S04R*1C2023 09 20.33434501 30 08.838-04 14 08.92         20.64GVES175G96
     K23S04R 1C2023 09 20.33953501 30 10.868-04 12 56.95         20.41GVES175G96
     K23S04R 1C2023 09 20.34993901 30 14.922-04 10 32.52         20.21GVES175G96
     K23S04R  C2023 09 20.38330601 30 27.313-04 02 52.88         20.7 GVES175H01
     K23S04R  C2023 09 20.38843101 30 29.311-04 01 41.52         20.2 GVES175H01
     K23S04R  C2023 09 20.39663301 30 32.532-03 59 47.50         20.4 GVES175H01
     K23S04R  C2023 09 20.40478001 30 35.721-03 57 54.05         20.4 GVES175H01
     K23S04R mC2023 09 20.43058801 30 46.393-03 51 50.72         22.38GVES175I52
     K23S04R mC2023 09 20.43106601 30 46.584-03 51 44.53         20.42GVES175I52
     K23S04R mC2023 09 20.43154501 30 46.818-03 51 37.62         21.27GVES175I52
     K23S04R mC2023 09 20.43202001 30 46.966-03 51 31.54         20.71GVES175I52
     K23S04R 1C2023 09 20.95608 01 34 51.88 -01 50 26.5          21.0 VXES175033
     K23S04R 1C2023 09 20.95717 01 34 52.36 -01 50 11.7          21.3 VXES175033
     K23S04R 1C2023 09 20.95827 01 34 52.77 -01 49 55.7          21.4 VXES175033
     K23S04R KC2023 09 23.43726901 53 08.833+07 42 53.86         21.49GVES175I52
     K23S04R KC2023 09 23.43848901 53 09.251+07 43 10.20         20.97GVES175I52
     K23S04R KC2023 09 23.43970601 53 09.726+07 43 26.83         20.93GVES175I52

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.  Observers K. W. Wierzchos, A.
    Serrano.  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.

Orbital elements:
2023 SR4                                                 Earth MOID = 0.0427 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5                Veres                   
M 353.91335              (2000.0)            P               Q                  
n   0.42867534     Peri.    2.69951     +0.99588360     -0.09048827             
a   1.7420090      Node     2.51045     +0.08074693     +0.85927751             
e   0.3999741      Incl.    6.90547     +0.04118003     +0.50344218             
P   2.30           H   26.44          G   0.15           U   8                  
Residuals in seconds of arc
230920 G96  0.0   0.0     230920 H01  0.2+  0.1-    230920 033  0.9+  0.3-
230920 G96  0.0   0.0     230920 I52  0.2-  0.1+    230920 033  0.3+  0.4+
230920 G96  0.2-  0.0     230920 I52  0.2-  0.4-    230923 I52  0.1+  0.0
230920 H01  0.2+  0.1-    230920 I52  0.5+  0.2-    230923 I52  0.5-  0.1-
230920 H01  0.1+  0.1-    230920 I52  0.1-  0.7-    230923 I52  0.2-  0.1+
230920 H01  0.2+  0.2-    230920 033  0.4+  0.1+

Ephemeris:
2023 SR4                 a,e,i = 1.74, 0.40, 7                   q = 1.0453
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2023 08 24    22 42 53.5 -49 52 47   0.1181  1.1053   140.9    35.3    23.5
...
2023 09 08    23 59 23.3 -38 45 49   0.06895 1.0649   144.9    33.0    22.2
...
2023 09 16    00 57 01.1 -19 50 13   0.05157 1.0520   153.4    25.4    21.3
...
2023 09 22    01 42 37.0 +02 14 34   0.04780 1.0467   152.7    26.1    21.1
2023 09 23    01 50 00.3 +06 04 49   0.04817 1.0462   151.3    27.4    21.2
2023 09 24    01 57 16.5 +09 49 46   0.04881 1.0458   149.6    29.1    21.3
...
2023 09 30    02 37 22.2 +28 41 29   0.05762 1.0456   138.7    39.3    21.9
...
2023 10 08    03 18 24.0 +43 10 39   0.07758 1.0514   130.5    46.3    22.8
...
2023 10 23    03 56 38.5 +53 06 45   0.1238  1.0800   130.7    44.3    23.8

M. P. C. Staff               (C) Copyright 2023 MPC           M.P.E.C. 2023-S175