[Iaude] MPEC U247: 2023 UA9 [a=1.11,e=0.13,i=4.5,H=25.0]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Wed Oct 25 13:51:43 EDT 2023


M.P.E.C. 2023-U247                             Issued 2023 October 25, 17:49 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 UA9                                    


Observations:
     K23U09A*1C2023 10 22.21620001 19 18.401+33 44 10.43         21.11GVEU247G96
     K23U09A 1C2023 10 22.22194301 19 17.684+33 44 04.16         21.54GVEU247G96
     K23U09A 1C2023 10 22.22767001 19 16.968+33 43 57.14         20.96GVEU247G96
     K23U09A 1C2023 10 22.23340101 19 16.244+33 43 50.74         20.78GVEU247G96
     K23U09A  C2023 10 22.27220201 19 10.945+33 43 01.81         21.5 GVEU247H01
     K23U09A  C2023 10 22.27536701 19 10.542+33 42 57.86         20.7 GVEU247H01
     K23U09A  C2023 10 22.28585601 19 09.210+33 42 44.51         21.4 GVEU247H01
     K23U09A  C2023 10 22.29544401 19 08.001+33 42 32.33         20.9 GVEU247H01
     K23U09A KB2023 10 22.30558 01 19 05.82 +33 42 10.0          20.8 rZEU247H36
     K23U09A KB2023 10 22.31891 01 19 04.07 +33 41 51.6          20.9 rZEU247H36
     K23U09A KC2023 10 22.32273801 19 04.872+33 41 59.39         20.88GVEU247I52
     K23U09A KC2023 10 22.32668701 19 04.372+33 41 54.38         21.22GVEU247I52
     K23U09A KC2023 10 22.33063301 19 03.918+33 41 49.13         20.47GVEU247I52
     K23U09A KB2023 10 22.33207 01 19 02.62 +33 41 33.7          20.7 rZEU247H36
     K23U09A KC2023 10 22.33457901 19 03.364+33 41 43.76         21.16GVEU247I52
     K23U09A KC2023 10 23.13096801 17 54.11 +33 24 19.8          21.5 VuEU247H21
     K23U09A KC2023 10 23.13656201 17 53.43 +33 24 12.6          21.5 VuEU247H21
     K23U09A KC2023 10 23.14025101 17 55.036+33 24 08.68         21.13GVEU247I52
     K23U09A KC2023 10 23.14141001 17 52.85 +33 24 06.5          21.3 VuEU247H21
     K23U09A KC2023 10 23.14683301 17 54.287+33 24 00.97         20.41GVEU247I52
     K23U09A KC2023 10 23.15013201 17 53.844+33 23 56.80         21.34GVEU247I52
     K23U09A  C2023 10 25.15927601 14 43.962+32 35 03.16         21.3 GVEU247654
     K23U09A  C2023 10 25.17130401 14 42.517+32 34 46.20         21.3 GVEU247654

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.
G96 Mt. Lemmon Survey.  Observer J. K. Hogan.  Measurers E. C. Beshore, 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, 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.
H21 Astronomical Research Observatory, Westfield.  Observer R. Holmes.
    Measurers T. Linder, R. Holmes, L. Horn.  0.76-m f/3.0 astrograph + CCD.
H36 Sandlot Observatory, Scranton.  Observer G. Hug.  0.56-m f/4.8 reflector +
    CMO.
I52 Steward Observatory, Mt. Lemmon Station.  Observer J. B. Fazekas.
    Measurers E. C. Beshore, 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, F. C. Shelly, K. W. Wierzchos.  1.0-m
    prime focus + CCD.

Orbital elements:
2023 UA9                                                 Earth MOID = 0.0248 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5                Veres                   
M 249.99840              (2000.0)            P               Q                  
n   0.84641952     Peri.  242.30850     -0.49730869     -0.86506017             
a   1.1068249      Node   237.66465     +0.82095964     -0.44462774             
e   0.1286302      Incl.    4.47956     +0.28055183     -0.23232965             
P   1.16           H   25.00          G   0.15           U   8                  
Residuals in seconds of arc
231022 G96  0.0   0.0     231022 H36  0.2+  0.2+    231023 H21  0.3-  0.2+
231022 G96  0.0   0.3+    231022 H36  1.4-  0.1-    231023 I52  0.1+  0.2+
231022 G96  0.0   0.1-    231022 I52  0.0   0.1-    231023 H21  0.1-  0.1+
231022 G96  0.0   0.1+    231022 I52  0.0   0.1+    231023 I52  0.4+  0.1+
231022 H01  0.1-  0.0     231022 I52  0.6+  0.1+    231023 I52  0.2-  0.2-
231022 H01  0.1-  0.1+    231022 H36  0.2+  0.0     231025 654  0.1-  0.0
231022 H01  0.1-  0.0     231022 I52  0.1-  0.0     231025 654  0.2+  0.1-
231022 H01  0.0   0.0     231023 H21  0.4-  0.5+

Ephemeris:
2023 UA9                 a,e,i = 1.11, 0.13, 4                   q = 0.9645
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2023 09 25    01 40 48.1 +34 41 00   0.1834  1.1482   139.2    34.8    23.1
...
2023 10 10    01 34 38.5 +35 54 22   0.1360  1.1180   149.3    27.1    22.1
...
2023 10 18    01 25 25.0 +34 55 23   0.1148  1.1012   154.4    23.0    21.6
...
2023 10 24    01 16 30.1 +33 04 26   0.1010  1.0885   156.9    21.0    21.2
2023 10 25    01 14 55.1 +32 39 28   0.09883 1.0864   157.2    20.8    21.2
2023 10 26    01 13 19.1 +32 12 32   0.09675 1.0842   157.3    20.7    21.1
...
2023 11 01    01 03 35.7 +28 46 13   0.08530 1.0715   156.6    21.6    20.9
...
2023 11 09    00 51 32.8 +22 00 15   0.07287 1.0549   150.6    27.4    20.7
...
2023 11 24    00 39 37.3 +02 54 45   0.05834 1.0253   129.1    48.3    20.7

M. P. C. Staff               (C) Copyright 2023 MPC           M.P.E.C. 2023-U247




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