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  • MPEC 2022-F139 : 2022 FE4

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    M.P.E.C. 2022-F139                               Issued 2022 March 31, 10:19 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 FE4                                 
    
    
    Observations:
         K22F04E  C2022 03 26.03725 11 03 50.65 -31 58 45.6                 EF139W93
         K22F04E* C2022 03 26.05635 11 03 50.46 -31 59 54.4                oEF139W93
         K22F04E  C2022 03 26.06259 11 03 50.37 -32 00 15.6                 EF139W93
         K22F04E  C2022 03 26.08660 11 03 50.06 -32 01 41.2          21.7 RoEF139W93
         K22F04E  C2022 03 26.09069 11 03 50.02 -32 01 56.6                 EF139W93
         K22F04E  C2022 03 26.10944 11 03 49.74 -32 03 01.8          21.5 RoEF139W93
         K22F04E  C2022 03 26.11388 11 03 49.66 -32 03 16.5                 EF139W93
         K22F04E  C2022 03 28.03973 11 04 20.48 -33 51 40.1                oEF139W93
         K22F04E  C2022 03 28.06791 11 04 20.32 -33 53 15.1          21.8 RoEF139W93
         K22F04E  C2022 03 28.09338 11 04 20.14 -33 54 42.5          21.7 RoEF139W93
         K22F04E  C2022 03 28.12034 11 04 19.90 -33 56 11.8          21.9 RoEF139W93
         K22F04E |C2022 03 31.03740 11 05 32.50 -36 29 21.2          21.8 GVEF139807
         K22F04E |C2022 03 31.04851 11 05 32.69 -36 29 55.7          22.2 GVEF139807
         K22F04E |C2022 03 31.05962 11 05 32.64 -36 30 30.5          22.0 GVEF139807
    
    Observer details:
    807 Cerro Tololo Observatory, La Serena.  Observers T. Linder, R. Holmes, L.
        Horn.  1.00-m f/10.0 astrograph + CCD.
    W93 Korea Microlensing Telescope Network-CTIO.  Observer Y. JeongAhn.  1.6-m
        f/3.22 reflector + CCD.
    
    Orbital elements:
    2022 FE4                                                 Earth MOID = 0.1354 AU
    Epoch 2022 Jan. 21.0 TT = JDT 2459600.5                 Bell                    
    M 325.43830              (2000.0)            P               Q                  
    n   0.49854346     Peri.  219.13433     -0.98256157     +0.17577124             
    a   1.5751939      Node   330.81835     -0.12342420     -0.86047716             
    e   0.2944916      Incl.    7.14436     -0.13906558     -0.47820866             
    P   1.98           H   24.88          G   0.15           U   9                  
    Residuals in seconds of arc
    220326 W93  0.2-  0.2-    220326 W93  0.2-  0.1-    220328 W93  0.1-  0.2-
    220326 W93  0.1-  0.7-    220326 W93  0.4-  0.8+    220331 807  0.1-  0.0
    220326 W93  0.3-  0.4+    220328 W93  0.1+  0.1+    220331 807 (1.4+  0.2+)
    220326 W93  0.3-  0.0     220328 W93  0.0   0.9+    220331 807  0.1+  0.0
    220326 W93  0.1-  0.9-    220328 W93  0.0   0.8-
    
    Ephemeris:
    2022 FE4                 a,e,i = 1.58, 0.29, 7                   q = 1.1113
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2022 03 01    11 07 37.6 -04 54 45   0.1559  1.1428   166.2    11.9    21.9
    ...
    2022 03 16    11 03 58.4 -21 22 24   0.1364  1.1195   154.9    22.1    21.9
    ...
    2022 03 24    11 03 30.4 -29 58 14   0.1358  1.1132   147.1    29.1    22.1
    ...
    2022 03 30    11 05 00.9 -35 36 20   0.1389  1.1113   142.1    33.5    22.2
    2022 03 31    11 05 28.7 -36 27 25   0.1396  1.1113   141.3    34.2    22.3
    2022 04 01    11 06 00.7 -37 16 54   0.1405  1.1113   140.6    34.8    22.3
    ...
    2022 04 07    11 10 49.6 -41 39 51   0.1467  1.1128   137.1    37.7    22.5
    ...
    2022 04 15    11 21 58.4 -46 01 57   0.1577  1.1188   134.2    40.0    22.7
    ...
    2022 04 30    11 56 39.0 -50 08 34   0.1846  1.1414   133.1    40.1    23.1
    
    M. P. C. Staff               (C) Copyright 2022 MPC           M.P.E.C. 2022-F139
    


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