[Iaude] MPEC S101: 2023 ST1 [a=2.37,e=0.61,i=3.4,H=24.5]

Tue Sep 19 23:03:00 EDT 2023

M.P.E.C. 2023-S101                           Issued 2023 September 20, 03:01 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 ST1                                    


Observations:
     K23S01T* C2023 09 17.49192101 39 08.580-12 54 58.75         20.75wXES101F51
     K23S01T  C2023 09 17.50382401 39 15.913-12 55 16.63         21.80wXES101F51
     K23S01T  C2023 09 17.51571601 39 23.227-12 55 34.56         21.49wXES101F51
     K23S01T  C2023 09 17.61166701 40 22.843-12 57 55.86         21.20GVES101F51
     K23S01T  C2023 09 17.61230801 40 23.242-12 57 56.89         20.95GVES101F51
     K23S01T  C2023 09 18.33466801 48 35.895-13 16 20.37         20.9 GVES101654
     K23S01T  C2023 09 18.34637501 48 43.744-13 16 38.51         20.9 GVES101654
     K23S01T KC2023 09 18.36977401 48 59.011-13 17 12.73         20.23GVES101I52
     K23S01T KC2023 09 18.37253601 49 00.872-13 17 16.94         20.93GVES101I52
     K23S01T KC2023 09 18.37507501 49 02.543-13 17 21.55         20.98GVES101I52
     K23S01T 3C2023 09 18.54474201 51 00.940-13 21 23.68         20.99GVES101T14
     K23S01T 3C2023 09 18.54571901 51 01.605-13 21 25.13         20.85GVES101T14
     K23S01T 3C2023 09 18.54671301 51 02.279-13 21 26.63         21.04GVES101T14
     K23S01T  C2023 09 19.33051502 00 44.093-13 41 20.89         21.1 GVES101654
     K23S01T  C2023 09 19.34254302 00 52.983-13 41 39.51         21.1 GVES101654

Observer details:
654 Table Mountain Observatory, Wrightwood-PHMC.  Observers N. Evans, P. Choi,
    N. Saini, C. Zhai, R. Trahan, M. Shao.  1.0-m Reflector + CCD.
F51 Pan-STARRS 1, Haleakala.  Observers J. Bulger, T. Lowe, P. Minguez, A.
    Schultz, I. Smith, K. Chambers.  Measurers K. Chambers, T. de Boer, J.
    Bulger, J. Fairlamb, H. Gao, M. Huber, C.-C. Lin, T. Lowe, E. Magnier, P.
    Minguez, Y. Ramanjooloo, A. Schultz, I. Smith, R. Wainscoat, R. Weryk, S.
    Chastel.  1.8-m Ritchey-Chretien + 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.
T14 Canada-France-Hawaii Telescope, Maunakea.  Observers R. Wainscoat, H.
    Januszewski, H. Flewelling.  Measurers R. Weryk, R. Wainscoat.  3.6-m
    Canada-France-Hawaii Telescope + CCD.

Orbital elements:
2023 ST1                                                 Earth MOID = 0.0459 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5                Veres                   
M 346.87772              (2000.0)            P               Q                  
n   0.27095202     Peri.  274.83827     +0.63344683     -0.77270959             
a   2.3652358      Node   135.76866     +0.73110349     +0.58040051             
e   0.6066529      Incl.    3.35350     +0.25344192     +0.25701194             
P   3.64           H   24.51          G   0.15           U   9                  
Residuals in seconds of arc
230917 F51  0.3-  0.0     230918 654  0.1+  0.0     230918 T14  0.0   0.0
230917 F51  0.2-  0.1+    230918 654  0.3-  0.0     230918 T14  0.0   0.0
230917 F51  0.3-  0.1+    230918 I52  0.3+  0.4+    230918 T14  0.0   0.0
230917 F51  0.4+  0.2-    230918 I52  0.4+  0.4+    230919 654  0.0   0.0
230917 F51  0.3+  0.3-    230918 I52  0.1-  0.4-    230919 654  0.0   0.0

Ephemeris:
2023 ST1                 a,e,i = 2.37, 0.61, 3                   q = 0.9304
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2023 08 21    23 37 31.3 -06 51 48   0.3294  1.3177   155.0    19.0    23.7
...
2023 09 05    00 17 01.6 -08 54 45   0.1988  1.1964   159.2    17.5    22.3
...
2023 09 13    00 59 27.5 -11 09 51   0.1413  1.1360   154.8    22.1    21.6
...
2023 09 19    01 56 32.1 -13 32 04   0.1063  1.0936   145.1    31.7    21.2
2023 09 20    02 09 28.8 -13 56 53   0.1014  1.0869   142.6    34.1    21.1
2023 09 21    02 23 38.2 -14 20 44   0.09695 1.0802   139.9    36.8    21.1
...
2023 09 27    04 14 10.4 -15 26 37   0.08006 1.0424   117.9    58.2    21.2
...
2023 10 05    06 52 02.9 -11 01 36   0.09076 0.9988    86.5    88.3    22.4
...
2023 10 20    09 07 04.4 -03 13 41   0.1673  0.9437    67.1   103.5    24.3

M. P. C. Staff               (C) Copyright 2023 MPC           M.P.E.C. 2023-S101