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  • MPEC 2022-U251 : 2022 UD9

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    M.P.E.C. 2022-U251                             Issued 2022 October 25, 20:39 UT
    
         The Minor Planet Electronic Circulars contain information on unusual
             minor planets and routine data on comets.  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@CFA.HARVARD.EDU
                URL https://www.minorplanetcenter.net/    ISSN 1523-6714
    
                                    2022 UD9                                 
    
    
    Observations:
         K22U09D  C2022 10 17.57572604 28 16.966-00 51 20.85         22.61GVEU251F51
         K22U09D  C2022 10 17.58801704 28 17.618-00 51 29.25         22.15GVEU251F51
         K22U09D  C2022 10 17.60029904 28 18.256-00 51 37.08         22.41GVEU251F51
         K22U09D  C2022 10 17.61253804 28 18.890-00 51 45.27         22.62GVEU251F51
         K22U09D  C2022 10 18.55134304 29 14.291-01 02 07.52         21.38GVEU251F52
         K22U09D  C2022 10 18.55197304 29 14.323-01 02 08.24         21.56GVEU251F52
         K22U09D* C2022 10 21.53179904 32 00.863-01 36 20.46         22.19wUEU251F52
         K22U09D  C2022 10 21.54339604 32 01.390-01 36 28.67         21.68wUEU251F52
         K22U09D  C2022 10 21.55503504 32 01.925-01 36 36.90         21.97wUEU251F52
         K22U09D  C2022 10 21.63746004 32 05.741-01 37 35.17         21.92GVEU251F52
         K22U09D  C2022 10 21.63809004 32 05.759-01 37 35.84         21.13GVEU251F52
         K22U09D |C2022 10 23.19199 04 33 28.71 -01 55 55.4          21.5 GVEU251807
         K22U09D |C2022 10 23.20123 04 33 29.14 -01 56 02.3          21.4 GVEU251807
         K22U09D |C2022 10 23.21048 04 33 29.64 -01 56 10.3          21.7 GVEU251807
    
    Observer details:
    807 Cerro Tololo Observatory, La Serena.  Observers T. Linder, R. Holmes, L.
        Horn.  1.00-m f/10.0 astrograph + CCD.
    F51 Pan-STARRS 1, Haleakala.  Observers J. Bulger, K. Chambers, T. Lowe, A.
        Schultz, I. Smith.  Measurers S. Chastel, J. Fairlamb, M. Huber, Y.
        Ramanjooloo, R. Wainscoat, R. Weryk.  1.8-m Ritchey-Chretien + CCD.
    F52 Pan-STARRS 2, Haleakala.  Observers J. Bulger, K. Chambers, T. Dukes, T.
        Lowe, A. Schultz, I. Smith.  Measurers S. Chastel, J. Fairlamb, M. Huber,
        Y. Ramanjooloo, R. Wainscoat, R. Weryk, K. Chambers, T. de Boer, H. Gao,
        C.-C. Lin, E. Magnier.  1.8-m Ritchey-Chretien + CCD.
    
    Orbital elements:
    2022 UD9                                            PHA, Earth MOID = 0.0110 AU
    Epoch 2022 Aug. 9.0 TT = JDT 2459800.5                  Veres                   
    M 262.00561              (2000.0)            P               Q                  
    n   0.56248793     Peri.   48.28986     -0.77442406     -0.61325936             
    a   1.4534293      Node    93.29415     +0.52432091     -0.75966123             
    e   0.4015802      Incl.    8.96074     +0.35405502     -0.21639726             
    P   1.75           H   21.88          G   0.15           U   9                  
    Residuals in seconds of arc
    221017 F51  0.1-  0.2+    221018 F52  0.0   0.1-    221021 F52  0.1-  0.1-
    221017 F51  0.1+  0.2-    221021 F52  0.1+  0.0     221023 807  0.1-  0.1+
    221017 F51  0.0   0.1+    221021 F52  0.0   0.0     221023 807  0.1+  0.0
    221017 F51  0.1-  0.1-    221021 F52  0.0   0.0     221023 807 (1.3+  1.3-)
    221018 F52  0.0   0.2+    221021 F52  0.1+  0.1+
    
    Ephemeris:
    2022 UD9                 a,e,i = 1.45, 0.40, 9                   q = 0.8698
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2022 09 25    04 01 16.2 +02 20 19   0.7102  1.4992   121.2    34.9    23.5
    ...
    2022 10 10    04 20 12.5 +00 25 18   0.5479  1.4135   129.8    32.9    22.7
    ...
    2022 10 18    04 28 42.1 -00 55 53   0.4688  1.3659   134.3    31.5    22.3
    ...
    2022 10 24    04 34 08.9 -02 05 58   0.4131  1.3294   137.6    30.3    21.9
    2022 10 25    04 34 58.2 -02 18 23   0.4041  1.3233   138.1    30.1    21.8
    2022 10 26    04 35 45.9 -02 31 00   0.3952  1.3171   138.6    29.9    21.8
    ...
    2022 11 01    04 39 59.4 -03 50 49   0.3437  1.2800   141.6    28.8    21.4
    ...
    2022 11 09    04 44 07.0 -05 47 33   0.2798  1.2301   144.9    27.6    20.8
    ...
    2022 11 24    04 46 37.9 -10 02 09   0.1730  1.1367   147.2    28.1    19.6
    
    M. P. C. Staff               (C) Copyright 2022 MPC           M.P.E.C. 2022-U251
    


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