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  • MPEC 2023-F244 : 2022 FF2

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    M.P.E.C. 2023-F244                               Issued 2023 March 31, 14:07 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
    
                                    2022 FF2                                 
    
    
                               Revision to MPEC 2022-F86                            
    
    Additional Observations:
         K22F02F  C2021 04 07.24813408 42 16.757+04 47 49.19         21.39GVEF244F51
         K22F02F  C2021 04 07.25929208 42 21.432+04 47 51.39         21.46GVEF244F51
         K22F02F  C2021 04 07.27040808 42 26.060+04 47 53.34         21.53GVEF244F51
         K22F02F  C2021 04 07.27234308 42 26.871+04 47 53.88         22.35GVEF244F51
         K22F02F KC2023 03 29.62799514 59 58.38 -29 25 17.5          21.1 GVEF244474
         K22F02F KC2023 03 29.63155214 59 56.97 -29 25 10.7          21.1 GVEF244474
         K22F02F KC2023 03 29.63510914 59 55.60 -29 25 03.8          20.8 GVEF244474
         K22F02F KC2023 03 29.63866614 59 54.10 -29 24 57.7          21.8 GVEF244474
    
    Observer details:
    474 Mount John Observatory, Lake Tekapo.  Observers A. C. Gilmore, P. M.
        Kilmartin.  Measurer P. M. Kilmartin.  1.0-m f/7.7 reflector + 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.
    
    First and last observations above in comparison with prediction:
    Residuals in seconds of arc, reference and Delta-T
    210407 F51 68.9+ 30.4+    230329 474 49.0+  2.4+    MPO691344   -0.01 days
    
    Orbital elements:
    2022 FF2                                                 Earth MOID = 0.0425 AU
    Epoch 2023 Feb. 25.0 TT = JDT 2460000.5                 Veres                   
    M  57.88608              (2000.0)            P               Q                  
    n   1.01147202     Peri.  178.03600     +0.50052320     -0.86464296             
    a   0.9828792      Node   241.92698     +0.79361599     +0.47821468             
    e   0.4296011      Incl.    2.80847     +0.34590489     +0.15395864             
    P   0.97           H   23.25          G   0.15           U   1                  
    Residuals in seconds of arc
    210407 F51  0.0   0.0     220326 I52  0.1+  0.0     220406 691  0.0   0.0
    210407 F51  0.2+  0.0     220326 I52  0.1+  0.3-    220406 691  0.1+  0.0
    210407 F51  0.1-  0.2-    220326 I52  0.0   0.3-    220406 691  0.1+  0.0
    210407 F51  0.0   0.0     220327 807  0.0   0.1-    220409 807  0.1-  0.4+
    220325 W94  0.4+  0.2-    220327 807  0.0   0.1+    220409 807  0.1-  0.3+
    220325 W94  0.1-  0.0     220327 807  0.1+  0.3+    220409 807  0.0   0.2+
    220325 W94  0.5+  0.2+    220327 I52  0.4-  0.3-    220409 691  0.1-  0.3-
    220325 W95  0.2-  0.1+    220327 I52  0.3+  0.4-    220409 691  0.1-  0.1+
    220325 W95  0.0   0.0     220327 I52  0.3+  0.6-    220409 691  0.3-  0.3+
    220325 W95  0.2-  0.2-    220328 R65  0.0   0.4-    220409 474  0.1+  0.3-
    220325 W95  0.3-  0.2+    220328 R65  0.2+  0.5-    220409 474  0.0   0.2-
    220325 W95  0.0   0.0     220328 R65  0.3+  0.4-    220409 474  0.1-  0.2+
    220325 W95  0.3+  0.2-    220330 807  0.3-  0.1-    220409 474  0.0   1.0-
    220325 807  0.0   0.1+    220330 807  0.2-  0.1+    220410 G96  0.2-  0.5-
    220325 807  0.0   0.1-    220330 807  0.3-  0.2-    220410 G96  0.0   0.1-
    220325 807  0.1-  0.1+    220402 807  0.1-  0.2+    220410 G96  0.3+  0.9-
    220325 R65  0.3+  0.2-    220402 807  0.1+  0.2+    220419 I52  0.0   0.3+
    220325 R65  0.2+  0.1-    220402 807  0.1-  0.2+    220419 I52  0.7-  0.4+
    220325 R65  0.5-  0.1-    220402 I52  0.1+  0.0     220421 291  0.0   0.1-
    220326 Y00  0.1-  0.4-    220402 I52  0.1+  0.1-    220421 291  0.4+  0.1+
    220326 Y00  0.3+  0.4+    220402 I52  0.4+  0.2-    220421 291  0.3-  0.1-
    220326 Y00  0.1-  1.0+    220402 I52  0.0   0.1-    230329 474  0.2+  0.3-
    220326 807  0.2+  0.2+    220406 G96  0.2+  0.0     230329 474  0.0   0.2-
    220326 807  0.2+  0.2+    220406 G96  0.2-  0.0     230329 474  0.3+  0.0
    220326 807  0.1+  0.1+    220406 G96  0.2+  0.2+    230329 474 (1.1-  0.6-)
    220326 I52  0.4-  0.4-    220406 G96  0.1-  0.1+
    
    Ephemeris:
    2022 FF2                 a,e,i = 0.98, 0.43, 3                   q = 0.5606
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2023 03 01    17 37 26.4 -34 59 59   0.2177  0.9571    74.9    92.5    23.1
    ...
    2023 03 16    16 22 27.3 -34 06 57   0.2034  1.0652   104.9    64.4    22.2
    ...
    2023 03 24    15 35 16.5 -31 57 14   0.1992  1.1171   122.7    48.6    21.8
    ...
    2023 03 30    14 57 38.6 -29 13 42   0.2007  1.1532   136.9    36.2    21.5
    2023 03 31    14 51 23.6 -28 41 00   0.2015  1.1590   139.3    34.2    21.5
    2023 04 01    14 45 11.3 -28 06 56   0.2025  1.1647   141.7    32.1    21.5
    ...
    2023 04 07    14 09 42.9 -24 19 47   0.2123  1.1975   155.8    20.1    21.3
    ...
    2023 04 15    13 30 02.3 -18 55 37   0.2371  1.2375   170.5     7.6    21.1
    ...
    2023 04 30    12 44 34.3 -10 48 40   0.3167  1.3007   154.8    19.2    22.3
    
    A. U. Tomatic                (C) Copyright 2023 MPC           M.P.E.C. 2023-F244
    


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