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  • MPEC 2021-F31 : 2021 FJ

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    M.P.E.C. 2021-F31                                Issued 2021 March 19, 12:54 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 FJ                                 
    
    
    Observations:
         K21F00J* C2021 03 18.26040810 17 44.94 +28 13 20.8                VEF031703
         K21F00J  C2021 03 18.26570010 17 46.87 +28 18 18.4          18.60GVEF031703
         K21F00J  C2021 03 18.27628410 17 51.21 +28 28 14.3          19.41GVEF031703
         K21F00J KC2021 03 18.33763410 18 17.28 +29 27 11.4          18.44GVEF031I52
         K21F00J KC2021 03 18.33811710 18 17.50 +29 27 39.6          18.68GVEF031I52
         K21F00J KC2021 03 18.33859910 18 17.75 +29 28 08.3          18.26GVEF031I52
         K21F00J KC2021 03 18.33908110 18 17.96 +29 28 36.4          18.57GVEF031I52
         K21F00J KC2021 03 18.83634110 26 39.81 +39 30 40.9          18.4 GVEF031595
         K21F00J KC2021 03 18.84927910 26 53.52 +39 49 58.9          18.5 GVEF031595
         K21F00J KC2021 03 18.85538110 26 59.94 +39 59 08.5          18.4 GVEF031595
         K21F00J NC2021 03 18.86688710 27 12.34 +40 16 39.6          18.7 GVEF031L01
         K21F00J NC2021 03 18.86802110 27 13.51 +40 18 23.5          19.0 GVEF031L01
         K21F00J bC2021 03 18.87272710 27 18.68 +40 25 32.6          19.2 GVEF031L01
         K21F00J bC2021 03 18.87330210 27 19.29 +40 26 24.7          19.3 GVEF031L01
         K21F00J bC2021 03 18.87387610 27 19.89 +40 27 17.1          18.9 GVEF031L01
         K21F00J bC2021 03 18.87616910 27 22.43 +40 30 46.7          19.0 GVEF031L01
         K21F00J KC2021 03 18.88660810 27 37.74 +40 46 32.6          18.9 GVEF031204
         K21F00J HC2021 03 18.89276710 27 44.60 +40 56 02.5                VEF031204
         K21F00J HC2021 03 18.89893610 27 51.61 +41 05 35.5                VEF031204
         K21F00J KC2021 03 19.11756910 34 44.82 +47 14 17.7          18.7 VqEF031858
         K21F00J KC2021 03 19.12446010 34 57.52 +47 27 10.5          18.7 VqEF031858
         K21F00J KC2021 03 19.12921410 35 11.49 +47 36 08.8          18.37GVEF031I52
         K21F00J KC2021 03 19.12986810 35 12.74 +47 37 22.7          18.07GVEF031I52
         K21F00J KC2021 03 19.13051810 35 13.95 +47 38 36.1          18.58GVEF031I52
         K21F00J KC2021 03 19.13116810 35 15.15 +47 39 49.7          18.14GVEF031I52
         K21F00J KC2021 03 19.13137610 35 10.28 +47 40 09.2          19.0 VqEF031858
    
    Observer details:
    204 Schiaparelli Observatory.  Observer L. Buzzi.  0.84-m f/3.5 reflector +
        CCD.
    595 Farra d'Isonzo.  Observer E. Pettarin.  0.40-m f/5.15 reflector + CCD.
    703 Catalina Sky Survey.  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.  0.68-m Schmidt + 10K CCD.
    858 Tebbutt Observatory, Edgewood.  Observer F. B. Zoltowski.  0.51-m Schmidt-
        Cassegrain + 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 FJ                                                  Earth MOID = 0.0081 AU
    Epoch 2020 Dec. 17.0 TT = JDT 2459200.5                 Veres
    M 316.36475              (2000.0)            P               Q
    n   0.34321208     Peri.   50.65524     -0.69848377     +0.71555676
    a   2.0203549      Node   175.00398     -0.68668959     -0.66626321
    e   0.5616493      Incl.    6.55871     -0.20143940     -0.20993298
    P   2.87           H   26.8           G   0.15           U   7
    Residuals in seconds of arc
    210318 703  0.5+  1.8-    210318 595  0.6-  0.2-    210318 204  0.0   0.8-
    210318 703  1.3-  1.0-    210318 L01  0.0   0.1-    210319 858  0.1+  0.3+
    210318 703  0.9+  1.7-    210318 L01  0.7-  0.6+    210319 858  0.5+  0.6+
    210318 I52  0.0   1.3+    210318 L01  0.1+  0.5+    210319 I52  0.1-  0.3-
    210318 I52  0.0   1.1+    210318 L01  0.1-  0.1+    210319 I52  0.2+  0.3-
    210318 I52  0.4+  1.5+    210318 L01  0.4-  0.0     210319 I52  0.1+  0.3-
    210318 I52  0.2+  1.3+    210318 L01  0.0   0.1-    210319 I52  0.1-  0.2-
    210318 595  0.1+  0.3+    210318 204  0.2+  0.7-    210319 858  0.2+  0.7+
    210318 595  0.4+  0.0     210318 204  0.4-  0.7-
    
    Ephemeris:
    2021 FJ                  a,e,i = 2.02, 0.56, 7                   q = 0.8856
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2021 02 17    10 05 48.1 -03 51 05   0.2399  1.2206   164.0    12.9    24.9
    ...
    2021 03 04    10 03 16.0 -02 37 33   0.1179  1.1050   163.4    14.8    23.2
    ...
    2021 03 12    10 03 35.3 +01 34 56   0.05854 1.0484   158.8    20.1    21.7
    ...
    2021 03 18    10 15 25.7 +24 32 40   0.01690 1.0095   147.2    32.3    19.3
    2021 03 19    10 30 18.8 +43 47 27   0.01144 1.0034   133.0    46.5    18.9
    2021 03 20    13 12 13.7 +80 03 46   0.0089390.9973    99.7    79.8    19.3
    ...
    2021 03 26    21 52 19.5 +18 23 19   0.04424 0.9637    39.5   138.8    26.6
    ...
    2021 04 03    21 58 50.0 +11 38 33   0.1021  0.9269    42.4   133.3    27.7
    ...
    2021 04 18    22 12 29.9 +08 57 13   0.2141  0.8883    52.0   117.1    27.8
    
    M. P. C. Staff               (C) Copyright 2021 MPC           M.P.E.C. 2021-F31
    


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