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  • MPEC 2021-F89 : 2021 FL2

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    M.P.E.C. 2021-F89                                Issued 2021 March 23, 11:13 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 FL2                                 
    
    
    Observations:
         K21F02L* C2021 03 22.26506012 00 32.19 +02 55 39.8          20.74GVEF089G96
         K21F02L  C2021 03 22.27071112 00 29.08 +02 53 49.4                VEF089G96
         K21F02L  C2021 03 22.27636012 00 25.92 +02 51 57.7          20.78GVEF089G96
         K21F02L  C2021 03 22.28203812 00 22.85 +02 50 08.3          19.87GVEF089G96
         K21F02L KC2021 03 22.33953311 59 51.35 +02 31 38.8          20.06GVEF089I52
         K21F02L KC2021 03 22.34200711 59 50.02 +02 30 51.2          20.18GVEF089I52
         K21F02L KC2021 03 22.34447511 59 48.66 +02 30 04.4          19.95GVEF089I52
         K21F02L KC2021 03 22.34694011 59 47.37 +02 29 17.1          20.29GVEF089I52
         K21F02L KC2021 03 22.50629111 58 47.93 +01 46 31.4          20.2 GVEF089474
         K21F02L KC2021 03 22.50752811 58 47.29 +01 46 08.8          20.2 GVEF089474
         K21F02L KC2021 03 22.50876411 58 46.66 +01 45 46.6          20.3 GVEF089474
         K21F02L KC2021 03 22.50999911 58 46.04 +01 45 24.1          20.4 GVEF089474
         K21F02L KC2021 03 22.51123511 58 45.45 +01 45 02.0          20.4 GVEF089474
         K21F02L |C2021 03 23.16045 11 54 53.54 -01 11 54.7          20.7 GVEF089807
         K21F02L |C2021 03 23.16307 11 54 52.42 -01 12 32.8          20.7 GVEF089807
         K21F02L |C2021 03 23.16570 11 54 51.30 -01 13 11.2          20.7 GVEF089807
         K21F02L |C2021 03 23.16825 11 54 50.21 -01 13 48.4          20.6 GVEF089807
         K21F02L KC2021 03 23.25735511 54 23.86 -01 40 00.6          20.70GVEF089I52
         K21F02L KC2021 03 23.25957811 54 22.96 -01 40 31.8          20.01GVEF089I52
         K21F02L KC2021 03 23.26179911 54 22.05 -01 41 03.2          20.75GVEF089I52
    
    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.
    807 Cerro Tololo Observatory, La Serena.  Observers T. Linder, R. Holmes.
        1.00-m f/10.0 astrograph + CCD.
    G96 Mt. Lemmon Survey.  Observer K. W. Wierzchos.  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.  1.5-m reflector +
        10K CCD.
    I52 Steward Observatory, Mt. Lemmon Station.  Observers R. A. Kowalski, K. W.
        Wierzchos.  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 FL2                                                 Earth MOID = 0.0129 AU
    Epoch 2020 Dec. 17.0 TT = JDT 2459200.5                 Veres
    M 334.88769              (2000.0)            P               Q
    n   0.76181044     Peri.   99.10541     -0.19361899     -0.98106407
    a   1.1873300      Node     2.07860     +0.83730053     -0.16789713
    e   0.3067576      Incl.    7.92036     +0.51131157     -0.09656007
    P   1.29           H   28.0           G   0.15           U   6
    Residuals in seconds of arc
    210322 G96  0.1+  0.2+    210322 I52  0.0   0.0     210323 807  0.0   0.0
    210322 G96  0.2+  0.3+    210322 474  0.4+  0.1+    210323 807  0.0   0.0
    210322 G96  0.4-  1.0-    210322 474  0.1+  0.1-    210323 807  0.0   0.0
    210322 G96  0.6+  0.2+    210322 474  0.1-  0.0     210323 I52  0.2-  0.1-
    210322 I52  0.1-  0.2+    210322 474  0.2-  0.1-    210323 I52  0.0   0.2+
    210322 I52  0.1-  0.1-    210322 474  0.1+  0.1+    210323 I52  0.1+  0.1+
    210322 I52  0.5-  0.2+    210323 807  0.1+  0.2-
    
    Ephemeris:
    2021 FL2                 a,e,i = 1.19, 0.31, 8                   q = 0.8231
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2021 02 21    23 10 49.6 +27 42 13   0.1356  0.8902    40.5   133.8    29.5
    ...
    2021 03 08    22 55 39.3 +37 48 24   0.05423 0.9536    43.0   134.8    27.8
    ...
    2021 03 16    20 04 06.8 +68 25 50   0.01674 0.9918    79.5    99.6    22.7
    ...
    2021 03 22    12 02 29.2 +04 29 27   0.02529 1.0215   175.0     4.9    20.5
    2021 03 23    11 55 43.8 -00 34 00   0.02998 1.0266   176.8     3.1    20.8
    2021 03 24    11 50 51.0 -04 14 01   0.03487 1.0316   173.9     5.8    21.2
    ...
    2021 03 30    11 37 33.7 -14 12 16   0.06620 1.0619   162.6    16.4    23.1
    ...
    2021 04 07    11 33 15.3 -18 06 25   0.1107  1.1026   155.3    22.3    24.5
    ...
    2021 04 22    11 37 30.2 -19 52 56   0.2026  1.1774   145.3    29.1    26.2
    
    M. P. C. Staff               (C) Copyright 2021 MPC           M.P.E.C. 2021-F89
    


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