[Iaude] MPEC S177: 2023 ST4 [a=2.48,e=0.55,i=3.5,H=23.4]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Sat Sep 23 10:34:03 EDT 2023


M.P.E.C. 2023-S177                           Issued 2023 September 23, 14:32 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 ST4                                    


Observations:
     K23S04T*1C2023 09 19.14842621 15 33.484+04 01 07.90         21.43GVES177G96
     K23S04T 1C2023 09 19.15412221 15 33.620+04 01 12.22         22.36GVES177G96
     K23S04T 1C2023 09 19.16550821 15 33.757+04 01 22.84         21.44GVES177G96
     K23S04T KC2023 09 19.26766221 15 35.021+04 02 52.55         21.83GVES177V06
     K23S04T KC2023 09 19.27083721 15 35.064+04 02 55.46         21.60GVES177V06
     K23S04T KC2023 09 19.27401421 15 35.114+04 02 58.34         21.38GVES177V06
     K23S04T KC2023 09 19.27718921 15 35.168+04 03 01.04         21.72GVES177V06
     K23S04T 1C2023 09 19.81637 21 15 51.68 +04 10 49.2          21.6 VXES177033
     K23S04T 1C2023 09 19.81996 21 15 51.78 +04 10 52.5          21.3 VXES177033
     K23S04T 1C2023 09 19.82354 21 15 51.82 +04 10 55.9          21.1 VXES177033
     K23S04T 1C2023 09 19.82742 21 15 51.88 +04 10 59.2          20.9 VXES177033
     K23S04T KC2023 09 20.07334021 15 59.73 +04 14 44.8          21.8 VuES177H21
     K23S04T KC2023 09 20.07919121 15 59.85 +04 14 50.0          22.0 VuES177H21
     K23S04T KC2023 09 20.08250621 15 59.90 +04 14 53.1          21.9 VuES177H21
     K23S04T KC2023 09 20.14571621 16 01.909+04 15 53.14         21.67GVES177V06
     K23S04T KC2023 09 20.14755221 16 01.967+04 15 54.90         21.81GVES177V06
     K23S04T KC2023 09 20.15019721 16 02.010+04 15 57.28         21.93GVES177V06
     K23S04T KC2023 09 20.15203321 16 02.046+04 15 58.93         22.21GVES177V06
     K23S04T KC2023 09 23.13953221 17 59.580+05 01 38.30               VES177I52
     K23S04T KC2023 09 23.14460421 17 59.760+05 01 44.90               VES177I52
     K23S04T KC2023 09 23.14967321 17 59.930+05 01 48.80         21.31GVES177I52

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 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.
V06 Catalina Sky Survey-Kuiper.  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.  1.55-m
    reflector + 1K CCD.

Orbital elements:
2023 ST4                                                 Earth MOID = 0.1274 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5                Veres                   
M 349.47213              (2000.0)            P               Q                  
n   0.25247820     Peri.  121.84679     +0.90002313     -0.43155460             
a   2.4792489      Node   263.78223     +0.37628091     +0.83999089             
e   0.5517444      Incl.    3.51698     +0.21993416     +0.32890110             
P   3.90           H   23.41          G   0.15           U   9                  
Residuals in seconds of arc
230919 G96  0.7-  0.6+    230919 033  0.2-  0.0     230920 V06  0.3-  0.3-
230919 G96  0.3+  0.1-    230919 033  0.2+  0.1+    230920 V06  0.1+  0.1-
230919 G96  0.2+  0.4+    230919 033  0.2-  0.2+    230920 V06  0.0   0.2-
230919 V06  0.1-  0.0     230919 033  0.4-  0.1+    230920 V06  0.1+  0.1-
230919 V06  0.1-  0.2+    230920 H21  0.1-  0.5+    230923 I52  0.0   1.1-
230919 V06  0.0   0.3+    230920 H21  0.1+  0.4+    230923 I52  0.1+  0.7+
230919 V06  0.2+  0.2+    230920 H21  0.1-  0.5+    230923 I52  0.1+  0.2-

Ephemeris:
2023 ST4                 a,e,i = 2.48, 0.55, 4                   q = 1.1113
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2023 08 24    21 22 58.6 -01 32 53   0.3244  1.3271   164.9    11.5    22.3
...
2023 09 08    21 15 11.7 +01 28 46   0.2595  1.2426   151.8    22.5    22.0
...
2023 09 16    21 14 35.4 +03 16 11   0.2331  1.2040   144.9    28.7    21.9
...
2023 09 22    21 17 08.1 +04 44 16   0.2162  1.1787   140.4    32.9    21.8
2023 09 23    21 17 52.2 +04 59 47   0.2136  1.1748   139.7    33.5    21.8
2023 09 24    21 18 42.1 +05 15 33   0.2110  1.1710   139.1    34.1    21.8
...
2023 09 30    21 25 54.3 +06 56 15   0.1966  1.1505   135.7    37.5    21.7
...
2023 10 08    21 42 14.5 +09 27 56   0.1800  1.1295   132.8    40.5    21.5
...
2023 10 23    22 38 35.9 +14 56 58   0.1594  1.1115   133.8    40.2    21.2

M. P. C. Staff               (C) Copyright 2023 MPC           M.P.E.C. 2023-S177





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