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  • MPEC 2021-Y67 : 2021 FD50

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    M.P.E.C. 2021-Y67                             Issued 2021 December 29, 12:22 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
    
                                    2021 FD50                                
    
    
    Observations:
         K21F50D  C2021 03 18.22389 09 41 12.96 +20 01 27.7          22.1 GVEY067G96
         K21F50D  C2021 03 18.22962 09 41 12.43 +20 00 04.1          21.3 GVEY067G96
         K21F50D* C2021 03 19.26275409 41 10.98 +16 08 38.9          21.44GVEY067G96
         K21F50D  C2021 03 19.26790909 41 10.71 +16 07 35.8          21.28GVEY067G96
         K21F50D  C2021 03 19.27306209 41 10.36 +16 06 31.5          21.66GVEY067G96
         K21F50D  C2021 03 19.27823809 41 10.07 +16 05 27.1          21.71GVEY067G96
         K21F50D KC2021 03 19.34577709 41 06.47 +15 51 36.1          21.73GVEY067I52
         K21F50D KC2021 03 19.34998009 41 06.27 +15 50 44.2          21.02GVEY067I52
         K21F50D KC2021 03 20.23398609 41 18.65 +13 05 26.4          20.9 GVEY067G96
         K21F50D KC2021 03 20.23781709 41 18.49 +13 04 45.9          21.6 GVEY067G96
    
    Observer details:
    G96 Mt. Lemmon Survey.  Observer D. Rankin.  Measurers B. Gray, D. Rankin, F.
        C. Shelly, E. J. Christensen, G. A. Farneth, D. C. Fuls, A. R. Gibbs, A.
        D. Grauer, H. Groeller, R. A. Kowalski, S. M. Larson, G. J. Leonard, T. A.
        Pruyne, R. L. Seaman, K. W. Wierzchos, D. Parrott.  1.5-m reflector + 10K
        CCD, 1.5-m reflector + CCD.
    I52 Steward Observatory, Mt. Lemmon Station.  Observer T. A. Pruyne.
        Measurers E. J. Christensen, G. A. Farneth, D. C. Fuls, A. R. Gibbs, A. D.
        Grauer, H. Groeller, R. A. Kowalski, S. M. Larson, G. J. Leonard, T. A.
        Pruyne, D. Rankin, R. L. Seaman, F. C. Shelly, K. W. Wierzchos.  1.0-m
        reflector + CCD.
    
    Orbital elements:
    2021 FD50                                                Earth MOID = 0.0230 AU
    Epoch 2022 Jan. 21.0 TT = JDT 2459600.5                 Veres                   
    M  55.04647              (2000.0)            P               Q                  
    n   1.04184686     Peri.   59.02831     +0.54892082     -0.83584987             
    a   0.9636814      Node   357.64918     +0.70382955     +0.46632160             
    e   0.2396934      Incl.    8.97254     +0.45089899     +0.28965352             
    P   0.95           H   26.89          G   0.15           U   7                  
    Residuals in seconds of arc
    210318 G96  0.0   0.0     210319 G96  0.1-  0.1-    210320 G96  0.4-  0.2+
    210318 G96 (1.1-  0.6+)   210319 G96  0.4+  0.6-    210320 G96  0.3+  0.2-
    210319 G96  0.4-  0.1+    210319 I52  0.1+  0.1+
    210319 G96  0.4+  0.7+    210319 I52  0.2-  0.2-
    
    Ephemeris:
    2021 FD50                a,e,i = 0.96, 0.24, 9                   q = 0.7327
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2021 11 29    18 10 37.7 -05 34 37   0.3190  0.7327    31.3   135.7    30.1
    ...
    2021 12 14    17 27 06.8 +02 00 58   0.2725  0.7469    25.2   145.8    31.1
    ...
    2021 12 22    16 57 25.3 +03 31 51   0.2696  0.7653    31.0   138.5    30.1
    ...
    2021 12 28    16 38 10.7 +03 15 02   0.2752  0.7832    37.5   130.2    29.3
    2021 12 29    16 35 24.4 +03 06 08   0.2766  0.7864    38.6   128.7    29.2
    2021 12 30    16 32 46.3 +02 55 44   0.2781  0.7898    39.7   127.3    29.0
    ...
    2022 01 05    16 19 54.8 +01 26 38   0.2885  0.8112    46.3   118.8    28.5
    ...
    2022 01 13    16 10 11.3 -01 21 16   0.3038  0.8427    54.2   108.8    28.0
    ...
    2022 01 28    16 09 01.1 -07 41 13   0.3265  0.9064    66.7    94.0    27.6
    
    M. P. C. Staff               (C) Copyright 2021 MPC           M.P.E.C. 2021-Y67
    


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