[Iaude] MPEC U249: 2023 UH9 [a=1.31,e=0.33,i=4.1,H=30.8]

[mpec at marsden.cfa.harvard.edu]

M.P.E.C. 2023-U249                             Issued 2023 October 25, 20:11 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 UH9                                    


Observations:
     K23U09H* C2023 10 20.42600702 50 56.136+00 53 12.29         21.73wXEU249F51
     K23U09H  C2023 10 20.43851402 50 58.672+00 54 04.46         21.39wXEU249F51
     K23U09H  C2023 10 20.46497702 51 03.757+00 55 53.72         21.46wXEU249F51
     K23U09H  C2023 10 20.56058902 51 21.985+01 01 58.80         21.30GVEU249F51
     K23U09H  C2023 10 20.56123002 51 22.139+01 02 01.01         21.41GVEU249F51
     K23U09H  C2023 10 21.46327002 57 01.123+01 39 11.06         22.32GVEU249F51
     K23U09H  C2023 10 21.46408302 57 01.119+01 39 12.46         22.83GVEU249F51

Observer details:
F51 Pan-STARRS 1, Haleakala.  Observers J. Bulger, 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.

Orbital elements:
2023 UH9                                                 Earth MOID = 0.0001 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5                Bell                    
M   7.17017              (2000.0)            P               Q                  
n   0.65700242     Peri.  120.88308     +0.82343637     +0.56664077             
a   1.3104629      Node   204.63793     -0.54175951     +0.76969022             
e   0.3320702      Incl.    4.05908     -0.16866884     +0.29410066             
P   1.50           H   30.81          G   0.15           U   8                  
Residuals in seconds of arc
231020 F51  0.2+  0.4+    231020 F51  0.1-  0.1+    231021 F51  0.0   0.0
231020 F51  0.2-  0.3-    231020 F51  0.1+  0.0
231020 F51  0.0   0.2-    231021 F51  0.0   0.0

Ephemeris:
2023 UH9                 a,e,i = 1.31, 0.33, 4                   q = 0.8753
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2023 09 25    14 41 29.1 -01 17 14   0.1276  0.9077    39.1   135.8    32.5
...
2023 10 10    14 51 15.3 -01 15 01   0.04558 0.9590    28.4   150.3    32.5
...
2023 10 18    15 28 47.8 -05 15 50   0.0038330.9933    30.0   149.9    27.1
...
2023 10 24    03 01 54.6 +02 18 55   0.02762 1.0209   160.3    19.2    24.0
2023 10 25    03 02 42.5 +02 25 55   0.03286 1.0257   160.9    18.5    24.4
2023 10 26    03 03 15.0 +02 31 25   0.03812 1.0305   161.4    17.9    24.7
...
2023 11 01    03 04 13.6 +02 53 36   0.07009 1.0605   164.7    14.3    26.0
...
2023 11 09    03 03 36.0 +03 21 35   0.1147  1.1026   166.5    12.1    27.0
...
2023 11 24    03 03 22.5 +04 41 24   0.2089  1.1856   159.8    16.7    28.7

M. P. C. Staff               (C) Copyright 2023 MPC           M.P.E.C. 2023-U249