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  • MPEC 2023-C116 : 2021 FQ54

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    M.P.E.C. 2023-C116                            Issued 2023 February 13, 16:54 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
    
                                    2021 FQ54                                
    
    
    Observations:
         K21F54Q 5C2020 03 24.32194 11 01 36.890+22 48 28.51         25.1 rVEC116568
         K21F54Q 5C2020 03 24.49420 11 01 36.275+22 48 30.47         25.0 rVEC116568
         K21F54Q*5C2021 03 17.17184 11 05 04.373+22 19 46.10         25.7 rVEC116304
         K21F54Q 5C2021 03 17.21689 11 05 04.218+22 19 46.67         25.7 rVEC116304
         K21F54Q 5C2021 03 18.21584 11 05 00.589+22 20 01.72         25.6 rVEC116304
         K21F54Q 5C2022 03 07.24712 11 08 38.965+21 49 53.83         25.4 GVEC116304
         K21F54Q 5C2022 03 07.29461 11 08 38.785+21 49 54.54         25.2 GVEC116304
         K21F54Q 5C2022 04 08.11601 11 06 48.254+21 56 53.87         25.2 rVEC116304
         K21F54Q 5C2022 04 09.12445 11 06 45.194+21 56 59.89         25.2 rVEC116304
    
    Observer details:
    304 Las Campanas Observatory.  Observers S. S. Sheppard, C. Trujillo, W.
        Oldroyd, C. Chandler.  Measurers S. S. Sheppard, C. Trujillo.  6.5-m
        Magellan-Baade telescope + CCD.
    568 Maunakea.  Observers D. J. Tholen, S. S. Sheppard, C. Trujillo.  Measurer
        S. S. Sheppard.  8.2-m Subaru reflector + CCD.
    
    Orbital elements:
    2021 FQ54                                                                       
    Epoch 2023 Feb. 25.0 TT = JDT 2460000.5                 Alexandersen            
    M  47.93930              (2000.0)            P               Q                  
    n   0.00179201     Peri.   24.75382     +0.50398312     -0.84540801             
    a  67.1287960      Node    35.74115     +0.73342105     +0.31072605             
    e   0.4406071      Incl.   17.62653     +0.45617386     +0.43443598             
    P 550              H    7.94          G   0.15           U   6                  
    Residuals in seconds of arc
    200324 568  0.0   0.1+    210317 304  0.0   0.0     220307 304  0.0   0.2-
    200324 568  0.0   0.0     210318 304  0.1+  0.1-    220408 304  0.1+  0.1+
    210317 304  0.2-  0.1+    220307 304  0.0   0.0     220409 304  0.0   0.1+
    
    Ephemeris:
    2021 FQ54                a,e,i = 67.13, 0.44, 18                 q = 37.5514
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2023 01 14    11 14 13.5 +21 02 27  57.2744 57.9166   130.4     0.7    25.7
    ...
    2023 01 29    11 13 38.1 +21 08 33  57.1259 57.9318   144.6     0.6    25.6
    ...
    2023 02 06    11 13 14.8 +21 11 53  57.0693 57.9400   151.8     0.5    25.6
    ...
    2023 02 12    11 12 55.6 +21 14 21  57.0380 57.9461   156.7     0.4    25.6
    2023 02 13    11 12 52.3 +21 14 46  57.0338 57.9471   157.5     0.4    25.6
    2023 02 14    11 12 49.0 +21 15 10  57.0298 57.9481   158.3     0.4    25.6
    ...
    2023 02 20    11 12 28.4 +21 17 32  57.0122 57.9543   162.2     0.3    25.6
    ...
    2023 02 28    11 11 59.9 +21 20 32  57.0051 57.9624   165.0     0.3    25.6
    ...
    2023 03 15    11 11 05.1 +21 25 22  57.0425 57.9777   160.0     0.3    25.6
    
    M. P. C. Staff               (C) Copyright 2023 MPC           M.P.E.C. 2023-C116
    


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