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  • MPEC 2021-F87 : 2021 FJ2

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    M.P.E.C. 2021-F87                                Issued 2021 March 23, 11:11 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 FJ2                                 
    
    
    Observations:
         K21F02J*HC2021 03 22.29475012 23 12.85 +03 22 41.7          19.93GVEF087G96
         K21F02J HC2021 03 22.30043012 23 27.57 +03 23 39.0          20.00GVEF087G96
         K21F02J HC2021 03 22.30608612 23 42.61 +03 24 37.2          20.32GVEF087G96
         K21F02J HC2021 03 22.31177812 23 57.58 +03 25 33.9                VEF087G96
         K21F02J KC2021 03 22.36657912 26 22.26 +03 34 53.5          19.83GVEF087I52
         K21F02J KC2021 03 22.36828612 26 26.76 +03 35 11.0          19.51GVEF087I52
         K21F02J KC2021 03 22.36998812 26 31.30 +03 35 28.4          19.69GVEF087I52
         K21F02J KC2021 03 22.37169212 26 35.77 +03 35 45.6          19.90GVEF087I52
         K21F02J KC2021 03 22.56595512 35 42.11 +04 16 52.8          20.1 GVEF087474
         K21F02J KC2021 03 22.56661312 35 43.88 +04 16 59.3          19.6 GVEF087474
         K21F02J KC2021 03 22.56726912 35 45.62 +04 17 06.3          20.4 GVEF087474
         K21F02J KC2021 03 22.56792512 35 47.40 +04 17 12.9          20.0 GVEF087474
         K21F02J KC2021 03 22.94385312 53 32.80 +05 10 19.7          20.0 GVEF087I93
         K21F02J KC2021 03 22.94861 12 53 42.76 +05 11 01.5                VEF087204
         K21F02J KC2021 03 22.95307212 53 57.63 +05 11 51.2          19.8 GVEF087I93
         K21F02J KC2021 03 22.96233412 54 22.64 +05 13 23.6          20.2 GVEF087I93
         K21F02J KC2021 03 22.96942 12 54 38.69 +05 14 26.9          20.0 GVEF087204
         K21F02J hC2021 03 23.12556313 01 41.77 +05 39 13.3          19.7 GVEF087J95
         K21F02J hC2021 03 23.13360813 02 03.48 +05 40 31.3          19.5 GVEF087J95
         K21F02J KC2021 03 23.27699113 09 01.80 +06 05 03.4          19.92GVEF087I52
         K21F02J KC2021 03 23.27889113 09 06.87 +06 05 21.7          19.79GVEF087I52
         K21F02J KC2021 03 23.28078713 09 11.84 +06 05 39.5          19.99GVEF087I52
    
    Observer details:
    204 Schiaparelli Observatory.  Observer L. Buzzi.  0.84-m f/3.5 reflector +
        CCD.
    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.
    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.
    I93 St Pardon de Conques.  Observers F. Losse, W. D'Anna.  Measurer F. Losse.
        0.40-m f/3.7 reflector + CCD.
    J95 Great Shefford.  Observer P. Birtwhistle.  0.41-m f/6.3 Schmidt-Cassegrain
        + CCD.
    
    Orbital elements:
    2021 FJ2                                                 Earth MOID = 0.0207 AU
    Epoch 2020 Dec. 17.0 TT = JDT 2459200.5                 Veres
    M 328.14647              (2000.0)            P               Q
    n   0.32306652     Peri.    4.79436     -0.99531798     +0.09663999
    a   2.1034947      Node   180.75754     -0.09237602     -0.95624289
    e   0.5163703      Incl.    7.32241     -0.02843937     -0.27615258
    P   3.05           H   27.8           G   0.15           U   6
    Residuals in seconds of arc
    210322 G96  1.7+  0.6+    210322 474  0.2-  0.1+    210322 204  0.5-  0.2-
    210322 G96  2.0-  0.2-    210322 474  0.1-  0.0     210323 J95  0.1+  0.5-
    210322 G96  0.0   0.1+    210322 474  0.3-  0.3+    210323 J95  0.0   0.7+
    210322 G96  0.5-  1.3-    210322 474  0.0   0.3+    210323 I52  0.1-  0.4-
    210322 I52  0.4+  0.1-    210322 I93  0.2+  0.2-    210323 I52  0.4+  0.2-
    210322 I52  0.2+  0.1+    210322 204  0.0   0.3-    210323 I52  0.4-  0.5-
    210322 I52  0.7+  0.2+    210322 I93  0.5-  0.0
    210322 I52  0.2+  0.1+    210322 I93  0.3+  0.8+
    
    Ephemeris:
    2021 FJ2                 a,e,i = 2.10, 0.52, 7                   q = 1.0173
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2021 02 21    07 41 22.1 -11 29 23   0.1376  1.0912   135.4    39.5    25.3
    ...
    2021 03 08    08 05 46.4 -11 06 06   0.07039 1.0397   130.6    46.4    23.9
    ...
    2021 03 16    09 11 23.2 -08 08 59   0.03744 1.0240   140.9    37.7    22.2
    ...
    2021 03 22    12 09 35.1 +02 35 44   0.02190 1.0182   176.7     3.3    19.9
    2021 03 23    12 55 57.0 +05 23 42   0.02171 1.0177   166.6    13.2    20.3
    2021 03 24    13 41 32.4 +07 54 26   0.02245 1.0174   155.9    23.6    20.7
    ...
    2021 03 30    16 27 57.0 +13 38 58   0.03948 1.0186   119.4    58.6    22.9
    ...
    2021 04 07    17 30 43.1 +14 00 36   0.07189 1.0283   110.5    65.8    24.5
    ...
    2021 04 22    17 57 15.8 +13 22 51   0.1341  1.0699   115.6    57.9    25.7
    
    M. P. C. Staff               (C) Copyright 2021 MPC           M.P.E.C. 2021-F87
    


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