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  • MPEC 2021-F122 : 2021 FL3

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    M.P.E.C. 2021-F122                               Issued 2021 March 27, 01:48 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 FL3                                 
    
    
    Observations:
         K21F03L* C2021 03 25.61120017 34 29.92 +41 04 40.3          19.53oVEF122T08
         K21F03L  C2021 03 25.62843917 33 58.50 +41 03 44.5          19.54oVEF122T08
         K21F03L  C2021 03 25.63727317 33 42.44 +41 03 15.8          19.30oVEF122T08
         K21F03L  C2021 03 25.64818917 33 22.71 +41 02 39.6          19.25oVEF122T08
         K21F03L KC2021 03 25.99513517 23 43.31 +40 39 45.3          19.3 GVEF122204
         K21F03L KC2021 03 26.00720817 23 22.96 +40 39 04.4                VEF122204
         K21F03L KC2021 03 26.01750317 23 05.55 +40 38 29.1                VEF122204
         K21F03L hC2021 03 26.02681317 22 49.44 +40 38 03.2          19.6 GVEF122L01
         K21F03L hC2021 03 26.02888917 22 45.94 +40 37 56.2          19.2 GVEF122L01
         K21F03L hC2021 03 26.03356417 22 37.99 +40 37 39.6          19.5 GVEF122L01
         K21F03L hC2021 03 26.03499317 22 35.57 +40 37 34.8          19.6 GVEF122L01
         K21F03L hC2021 03 26.03668317 22 32.68 +40 37 28.7          19.6 GVEF122L01
         K21F03L KC2021 03 26.04576617 22 17.73 +40 36 51.0          19.5 GVEF122K38
         K21F03L KC2021 03 26.07092217 21 35.00 +40 35 20.4          19.9 GVEF122K38
         K21F03L pC2021 03 26.88161217 00 16.66 +39 35 26.8          19.7 GVEF122L01
         K21F03L pC2021 03 26.88427117 00 12.68 +39 35 16.6          19.8 GVEF122L01
         K21F03L pC2021 03 26.88799017 00 07.11 +39 34 59.5          19.5 GVEF122L01
         K21F03L pC2021 03 26.89006217 00 03.99 +39 34 50.8          19.5 GVEF122L01
         K21F03L pC2021 03 26.89421616 59 57.74 +39 34 33.9          19.9 GVEF122L01
         K21F03L 1C2021 03 26.92716716 59 09.412+39 32 02.03         19.7 GVEF122Z84
         K21F03L KC2021 03 26.97922616 57 49.26 +39 27 55.4          19.0 GVEF122J95
         K21F03L KC2021 03 26.98541616 57 40.00 +39 27 28.2          20.0 GVEF122J95
         K21F03L KC2021 03 26.99198916 57 30.14 +39 26 59.0          19.4 GVEF122J95
         K21F03L KC2021 03 26.99789216 57 21.25 +39 26 32.1          19.3 GVEF122J95
    
    Observer details:
    204 Schiaparelli Observatory.  Observer L. Buzzi.  0.84-m f/3.5 reflector +
        CCD.
    J95 Great Shefford.  Observer P. Birtwhistle.  0.41-m f/6.3 Schmidt-Cassegrain
        + CCD.
    K38 M57 Observatory, Saltrio.  Observer G. Baj.  0.3-m f/6.64 Ritchey-Chretien
        + CCD.
    L01 Visnjan Observatory, Tican.  Observer K. Korlevic.  1.0-m f/2.9 reflector
        + CCD.
    T08 ATLAS-MLO, Mauna Loa.  Observers L. Denneau, J. Tonry, A. Heinze, H.
        Weiland.  Measurers L. Denneau, J. Tonry, A. Heinze, H. Weiland, A.
        Fitzsimmons, J. Robinson, N. Erasmus.  0.5-m reflector + CCD.
    Z84 Calar Alto-Schmidt.  Observer M. Micheli.  Measurers M. Micheli, D.
        Koschny, L. Conversi, E. Petrescu, E. Schwab.  0.8-m f/3 Schmidt + CCD.
    
    Orbital elements:
    2021 FL3                                                 Earth MOID = 0.0474 AU
    Epoch 2020 Dec. 17.0 TT = JDT 2459200.5                 Veres
    M 330.71761              (2000.0)            P               Q
    n   0.70710226     Peri.  329.28117     -0.28022442     -0.95892037
    a   1.2478084      Node   136.94893     +0.89333246     -0.27732547
    e   0.3765144      Incl.    3.70509     +0.35132804     -0.05968512
    P   1.39           H   23.4           G   0.15           U   8
    Residuals in seconds of arc
    210325 T08 (2.2+  0.6+)   210326 L01  0.3+  0.1+    210326 L01  0.2-  0.3-
    210325 T08  0.2+  0.0     210326 L01  0.2+  0.1-    210326 L01  0.3-  0.1-
    210325 T08  0.4-  0.1+    210326 L01  0.3+  0.1+    210326 L01  0.5-  0.9+
    210325 T08  0.0   0.2+    210326 L01  0.1+  0.0     210326 Z84  0.1+  0.0
    210325 204  0.4-  0.3-    210326 K38  0.3+  0.4+    210326 J95  0.2-  0.1-
    210326 204  0.1-  0.1-    210326 K38  0.1-  0.4-    210326 J95  0.1+  0.2+
    210326 204  0.2-  0.0     210326 L01  0.2-  0.5-    210326 J95  0.3+  0.2+
    210326 L01  0.1+  0.2-    210326 L01  0.2-  0.8+    210326 J95  0.0   0.4-
    
    Ephemeris:
    2021 FL3                 a,e,i = 1.25, 0.38, 4                   q = 0.7780
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2021 02 25    23 58 11.4 +05 11 37   0.1617  0.8471    25.8   149.4    27.4
    ...
    2021 03 12    22 51 38.2 +20 40 24   0.07774 0.9242    25.7   152.2    26.6
    ...
    2021 03 20    20 30 53.4 +38 00 58   0.05306 0.9711    60.9   116.3    21.5
    ...
    2021 03 26    17 23 27.4 +40 40 32   0.05540 1.0078    99.2    77.7    19.8
    2021 03 27    16 57 11.5 +39 27 40   0.05765 1.0139   104.7    72.1    19.8
    2021 03 28    16 33 55.4 +38 01 39   0.06032 1.0201   109.9    66.9    19.7
    ...
    2021 04 03    15 04 34.3 +28 58 13   0.08265 1.0576   132.7    44.0    19.8
    ...
    2021 04 11    14 12 49.7 +20 39 49   0.1220  1.1076   148.1    28.6    20.3
    ...
    2021 04 26    13 36 30.8 +12 08 45   0.2130  1.1996   152.8    22.5    21.5
    
    M. P. C. Staff               (C) Copyright 2021 MPC           M.P.E.C. 2021-F122
    


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