[Iaude] MPEC E136: 2023 UA9 [a=1.11,e=0.13,i=4.5,H=24.96]

mpec at cfa.harvard.edu mpec at cfa.harvard.edu
Sat Mar 9 09:10:14 EST 2024


M.P.E.C. 2024-E136                                Issued 2024 March 9, 14:08 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                                    


                           Revision to MPEC 2023-U247                           

Additional Observations:
     K23U09A  C2016 10 10.31986800 23 47.280+30 37 54.50         22.29GVEE136F51
     K23U09A  C2016 10 10.33144500 23 45.625+30 37 43.17         22.04GVEE136F51
     K23U09A  C2016 10 10.35412100 23 42.232+30 37 20.28         21.96GVEE136F51
     K23U09A  C2016 11 18.26280123 38 46.072+03 55 04.02         22.13GVEE136F51
     K23U09A  C2016 11 18.27418823 38 45.929+03 54 29.29         21.29GVEE136F51
     K23U09A  C2016 11 18.28555123 38 45.776+03 53 53.96         21.07GVEE136F51
     K23U09A 4C2016 11 23.26903 23 41 44.70 -00 19 05.2          21.9 z1EE136T09
     K23U09A 4C2016 11 23.27174 23 41 44.72 -00 19 12.7          22.0 z1EE136T09
     K23U09A 4C2016 11 23.28832 23 41 44.90 -00 20 03.5          22.1 z1EE136T09
     K23U09A 4C2016 11 23.32098 23 41 45.31 -00 21 41.4          22.0 z1EE136T09
     K23U09A  C2017 05 16.30667513 04 06.308-11 09 38.14         21.18GVEE136F51
     K23U09A  C2017 05 16.31899913 04 07.263-11 09 20.20         21.89GVEE136F51

Observer details:
F51 Pan-STARRS 1, Haleakala.  Observers J. Herman, T. Lowe, P. Minguez, A.
    Schultz, I. Smith.  Measurers K. Chambers, T. de Boer, J. Fairlamb, H.
    Gao, M. Huber, C.-C. Lin, E. Magnier, Y. Ramanjooloo, R. Wainscoat, R.
    Weryk.  1.8-m Ritchey-Chretien + CCD.
T09 Subaru Telescope, Maunakea.  Observers H. Aihara, Y. AlSayyad, M. Ando, R.
    Armstrong, J. Bosch, E. Egami, H. Furusawa, J. Furusawa, S. Harasawa, Y.
    Harikane, B.-C. Hsieh, H. Ikeda, K. Ito, I. Iwata, T. Kodama, M. Koike, M.
    Kokubo, Y. Komiyama, X. Li, Y. Liang, Y.-T. Lin, R. H. Lupton, N. B. Lust,
    L. A. MacArthur, K. Mawatari, S. Mineo, H. Miyatake, S. Miyazaki, S. More,
    T. Morishima, H. Murayama, K. Nakajima, F. Nakata, A. J. Nishizawa, M.
    Oguri, N. Okabe, Y. Okura, Y. Ono, K. Osato, M. Ouchi, Y.-C. Pan, A. A.
    Plazas Malagon, P. A. Price, S. L. Reed, E. S. Rykoff, T. Shibuya, M.
    Simunovic, M. A. Strauss, K. Sugimori, Y. Suto, N. Suzuki, M. Takada, Y.
    Takagi, T. Takata, S. Takita, M. Tanaka, S. Tang, D. S. Taranu, T. Terai,
    Y. Toba, E. L. Turner, H. Uchiyama, B. Vijarnwannaluk, C. Z. Waters, Y.
    Yamada, N. Yamamoto, T. Yamashita.  Measurer M. Suzuki.  8.2-m f/2.0
    reflector + CCD(HSC).

First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
161010 F51 24.8- 11.6-    170516 F51 19.6-  7.4-    E2023-XG5   +0.00 days

Orbital elements:
2023 UA9                                                 Earth MOID = 0.0261 AU
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5                 Veres                   
M  59.52122              (2000.0)            P               Q                  
n   0.84409584     Peri.  242.39581     -0.49028328     -0.86908152             
a   1.1088553      Node   237.11356     +0.82469622     -0.43820299             
e   0.1304170      Incl.    4.48890     +0.28195470     -0.22951132             
P   1.17           H   24.96          G   0.15           U   0                  
Residuals in seconds of arc
161010 F51  0.2-  0.1-    231022 H01  0.1-  0.1+    231031 F51  0.0   0.0
161010 F51  0.5+  0.0     231022 H36  0.1+  0.2+    231031 F52  0.2+  0.1+
161010 F51  0.1+  0.2-    231022 H36  1.6-  0.2-    231031 F52  0.2+  0.2+
161118 F51  0.1-  0.4-    231022 I52  0.1-  0.1-    231101 691  0.4+  0.1-
161118 F51  0.0   0.1-    231022 I52  0.1-  0.1+    231101 691  0.2+  0.5+
161118 F51  0.1-  0.5-    231022 I52  0.5+  0.1+    231101 691  0.1+  0.3+
161123 T09  0.4+  0.1-    231022 H36  0.0   0.1-    231103 G96  0.3+  0.0
161123 T09  0.3+  0.6+    231022 I52  0.3-  0.0     231103 G96  0.5-  0.5-
161123 T09  0.3+  0.3-    231023 H21  0.4-  0.5+    231108 F52  0.2-  0.4+
161123 T09  0.1+  0.3+    231023 H21  0.3-  0.2+    231108 F52  0.2-  0.1-
170516 F51  0.5-  0.3+    231023 I52  0.3+  0.2+    231108 F52  0.1-  0.2+
170516 F51  0.1+  0.4+    231023 H21  0.1-  0.1+    231120 807  0.2+  0.6-
231022 G96  0.2+  0.0     231023 I52  0.6+  0.1+    231120 807  0.0   0.2-
231022 G96  0.2+  0.3+    231023 I52  0.1-  0.2-    231120 807  0.3-  0.3-
231022 G96  0.2+  0.1-    231025 654  0.3-  0.0     231209 G96  0.9-  0.6+
231022 G96  0.2+  0.2+    231025 654  0.0   0.1-    231209 G96  0.6-  0.3+
231022 H01  0.1-  0.1+    231031 F51  0.1+  0.1-    231209 G96  0.3+  1.1+
231022 H01  0.1-  0.1+    231031 F51  0.1+  0.2+    231209 G96  0.1-  0.5-
231022 H01  0.1-  0.0     231031 F52  0.1-  0.1+

Ephemeris:
2023 UA9                 a,e,i = 1.11, 0.13, 4                   q = 0.9642
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2024 02 08    10 29 27.0 -87 33 22   0.08154 0.9713    77.0    98.3    23.0
...
2024 02 23    14 02 48.8 -79 41 24   0.08797 0.9866    85.8    89.1    22.8
...
2024 03 02    14 22 19.5 -75 27 11   0.08980 0.9978    91.7    83.1    22.6
...
2024 03 08    14 29 10.9 -72 15 38   0.09035 1.0074    96.8    78.1    22.5
2024 03 09    14 29 48.9 -71 42 54   0.09038 1.0090    97.7    77.2    22.5
2024 03 10    14 30 18.9 -71 09 46   0.09040 1.0107    98.7    76.3    22.4
...
2024 03 16    14 30 56.0 -67 40 11   0.09020 1.0214   104.7    70.4    22.2
...
2024 03 24    14 26 57.8 -62 20 32   0.08955 1.0367   114.1    61.4    22.0
...
2024 04 08    14 10 35.8 -49 23 42   0.09002 1.0676   135.8    40.9    21.5

A. U. Tomatic                (C) Copyright 2024 MPC           M.P.E.C. 2024-E136





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