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  • MPEC 2023-U118 : 2023 UA2

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    M.P.E.C. 2023-U118                             Issued 2023 October 19, 20:02 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@CFA.HARVARD.EDU
                URL https://www.minorplanetcenter.net/    ISSN 1523-6714
    
                                    2023 UA2                                 
    
    
    Observations:
         K23U02A* C2023 10 17.28934100 38 19.669+09 09 07.99         22.01GVEU118V00
         K23U02A  C2023 10 17.29486800 38 18.949+09 09 44.96         21.82GVEU118V00
         K23U02A  C2023 10 17.30037000 38 18.258+09 10 21.61         21.92GVEU118V00
         K23U02A  C2023 10 17.30587100 38 17.552+09 10 57.97         21.61GVEU118V00
         K23U02A KC2023 10 17.34237 00 38 12.93 +09 15 01.6                VEU118291
         K23U02A KC2023 10 17.34551 00 38 12.52 +09 15 22.2          22.0 RVEU118291
         K23U02A  C2023 10 17.38249100 38 07.722+09 19 24.23         22.1 GVEU118H01
         K23U02A  C2023 10 17.38593800 38 07.327+09 19 47.24         21.3 GVEU118H01
         K23U02A  C2023 10 17.39583400 38 06.194+09 20 53.11         21.2 GVEU118H01
         K23U02A  C2023 10 17.40479600 38 05.178+09 21 52.91         21.3 GVEU118H01
         K23U02A KC2023 10 18.13283 00 37 09.56 +10 48 20.9          22.1 RVEU118291
         K23U02A KC2023 10 18.13771 00 37 08.92 +10 48 57.7          22.4 RVEU118291
         K23U02A KC2023 10 18.14268 00 37 08.26 +10 49 35.7                VEU118291
         K23U02A KC2023 10 19.17885 00 35 21.12 +13 09 05.1          22.1 RoEU118291
         K23U02A KC2023 10 19.19821 00 35 18.15 +13 11 55.1                oEU118291
    
    Observer details:
    291 LPL/Spacewatch II.  Observers T. H. Bressi, M. T. Read.  1.8-m f/2.7
        reflector + 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.
    V00 Kitt Peak-Bok.  Observer R. A. Mastaler.  Measurers M. J. Brucker, C. E.
        Woodward, D. Fay, J. B. Fazekas, D. C. Fuls, A. R. Gibbs, H. Groeller, J.
        K. Hogan, R. A. Kowalski, S. M. Larson, C. Lejoly, G. J. Leonard, R. A.
        Mastaler, R. S. McMillan, D. Rankin, R. L. Seaman, A. Serrano, F. C.
        Shelly, K. W. Wierzchos.  2.25-m reflector + 4x4K mosaic CCD.
    
    Orbital elements:
    2023 UA2                                                 Earth MOID = 0.0328 AU
    Epoch 2023 Sept. 13.0 TT = JDT 2460200.5                Alexandersen            
    M 326.14821              (2000.0)            P               Q                  
    n   0.42989820     Peri.   56.59174     +0.24033185     -0.97003536             
    a   1.7387039      Node    19.59582     +0.85154845     +0.19305448             
    e   0.4642774      Incl.    6.10448     +0.46594617     +0.14751737             
    P   2.29           H   27.00          G   0.15           U   9                  
    Residuals in seconds of arc
    231017 V00  0.0   0.1-    231017 291  0.1-  0.2+    231018 291  0.1+  0.0
    231017 V00  0.1-  0.1+    231017 H01  0.1-  0.1+    231018 291  0.2-  0.2-
    231017 V00  0.1+  0.1+    231017 H01  0.0   0.1+    231018 291  0.5-  0.1+
    231017 V00  0.1+  0.1-    231017 H01  0.1+  0.1-    231019 291  0.1-  0.0
    231017 291  0.2+  0.5+    231017 H01  0.0   0.2-    231019 291  0.2+  0.1+
    
    Ephemeris:
    2023 UA2                 a,e,i = 1.74, 0.46, 6                   q = 0.9315
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2023 09 19    00 50 52.9 -06 45 19   0.2499  1.2454   162.5    14.1    25.3
    ...
    2023 10 04    00 48 54.2 -03 12 12   0.1485  1.1478   172.2     6.8    23.7
    ...
    2023 10 12    00 44 08.6 +02 02 07   0.1019  1.0993   172.4     6.9    22.8
    ...
    2023 10 18    00 37 16.9 +10 32 41   0.07044 1.0654   167.2    12.0    22.1
    2023 10 19    00 35 36.8 +12 44 10   0.06559 1.0600   165.7    13.5    22.0
    2023 10 20    00 33 41.9 +15 16 08   0.06090 1.0546   163.8    15.3    21.9
    ...
    2023 10 26    00 09 45.0 +42 21 47   0.03793 1.0243   141.6    37.1    21.4
    ...
    2023 11 03    14 20 21.2 +69 43 38   0.04060 0.9892    84.5    93.1    23.3
    ...
    2023 11 18    13 08 14.4 +33 19 24   0.1068  0.9440    62.4   111.8    26.3
    
    M. P. C. Staff               (C) Copyright 2023 MPC           M.P.E.C. 2023-U118
    


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