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  • MPEC 2021-F27 : 2021 FF

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    M.P.E.C. 2021-F27                                Issued 2021 March 18, 22:33 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 FF                                 
    
    
    Observations:
         K21F00F* C2021 03 18.28978311 55 21.40 +19 30 14.8          19.23GVEF027G96
         K21F00F  C2021 03 18.29543811 55 24.57 +19 28 56.6          19.58GVEF027G96
         K21F00F  C2021 03 18.30110111 55 27.75 +19 27 38.3          19.63GVEF027G96
         K21F00F  C2021 03 18.30676111 55 30.91 +19 26 19.7          19.81GVEF027G96
         K21F00F KC2021 03 18.38435011 56 14.25 +19 08 19.7          18.97GVEF027I52
         K21F00F KC2021 03 18.38492311 56 14.56 +19 08 12.2          19.30GVEF027I52
         K21F00F KC2021 03 18.38548911 56 14.89 +19 08 04.2          19.22GVEF027I52
         K21F00F  C2021 03 18.48641811 57 21.687+18 45 54.45         19.60wUEF027F52
         K21F00F  C2021 03 18.49792811 57 27.887+18 43 15.75         19.79wUEF027F52
         K21F00F  C2021 03 18.50947711 57 34.092+18 40 36.96         19.88wUEF027F52
         K21F00F  C2021 03 18.52104711 57 40.332+18 37 57.14         19.68wUEF027F52
         K21F00F KC2021 03 18.89349212 01 43.56 +17 13 22.1          19.9 GVEF027L01
         K21F00F KC2021 03 18.89504712 01 44.36 +17 13 02.3          19.8 GVEF027L01
         K21F00F KC2021 03 18.89659312 01 45.22 +17 12 42.3          19.7 GVEF027L01
         K21F00F KC2021 03 18.89814212 01 46.05 +17 12 21.8          19.8 GVEF027L01
         K21F00F KC2021 03 18.89996012 01 46.99 +17 11 58.7          19.8 GVEF027L01
    
    Observer details:
    F52 Pan-STARRS 2, Haleakala.  Observers J. Bulger, T. Dukes, T. Lowe, A.
        Schultz, M. Willman.  Measurers K. Chambers, S. Chastel, T. de Boer, L.
        Denneau, J. Fairlamb, H. Flewelling, M. Huber, C.-C. Lin, E. Magnier, Y.
        Ramanjooloo, R. Wainscoat, R. Weryk.  1.8-m Ritchey-Chretien + CCD.
    G96 Mt. Lemmon Survey.  Observer D. Rankin.  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.  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.
    L01 Visnjan Observatory, Tican.  Observer K. Korlevic.  1.0-m f/2.9 reflector
        + CCD.
    
    Orbital elements:
    2021 FF                                                  Earth MOID = 0.0219 AU
    Epoch 2020 Dec. 17.0 TT = JDT 2459200.5                 Pike                    
    M 326.62323              (2000.0)            P               Q                  
    n   0.51936671     Peri.  136.20284     -0.83562087     -0.54924735             
    a   1.5328041      Node    10.49062     +0.49099181     -0.75341679             
    e   0.3541123      Incl.    2.54005     +0.24630226     -0.36151140             
    P   1.90           H   26.17          G   0.15           U   8                  
    Residuals in seconds of arc
    210318 G96  0.1+  0.1-    210318 I52  0.1-  0.3+    210318 L01  0.5-  0.2+
    210318 G96  0.0+  0.1-    210318 F52  0.1-  0.0-    210318 L01  0.1+  0.2+
    210318 G96  0.1+  0.1+    210318 F52  0.1+  0.0-    210318 L01  0.2+  0.2-
    210318 G96  0.1-  0.1-    210318 F52 (0.1-  0.6+)   210318 L01  0.1-  0.2+
    210318 I52  0.1-  0.1-    210318 F52 (0.4-  0.7+)
    210318 I52  0.3-  0.4+    210318 L01  0.1-  0.1-
    
    Ephemeris:
    2021 FF                  a,e,i = 1.53, 0.35, 3                   q = 0.9900
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2021 02 16    03 09 10.5 +42 08 05   0.08130 0.9906    89.5    85.8    23.7
    ...
    2021 03 03    05 05 31.8 +55 02 31   0.04186 0.9974    97.2    80.4    22.1
    ...
    2021 03 11    09 20 53.1 +51 24 52   0.02878 1.0105   125.9    52.8    20.4
    ...
    2021 03 17    11 39 35.7 +24 48 12   0.03190 1.0243   156.6    22.7    19.8
    2021 03 18    11 52 03.3 +20 39 29   0.03358 1.0269   160.4    19.0    19.8
    2021 03 19    12 02 40.5 +16 52 29   0.03551 1.0296   163.6    15.8    19.8
    ...
    2021 03 25    12 42 18.8 +01 09 23   0.05079 1.0476   172.8     6.9    20.3
    ...
    2021 04 02    13 05 20.7 -08 36 19   0.07663 1.0757   173.6     5.9    21.2
    ...
    2021 04 17    13 20 59.8 -15 07 10   0.1356  1.1386   173.4     5.8    22.6
    
    M. P. C. Staff               (C) Copyright 2021 MPC           M.P.E.C. 2021-F27
    


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