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  • MPEC 2021-F88 : 2021 FK2

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    M.P.E.C. 2021-F88                                Issued 2021 March 23, 11:12 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 FK2                                 
    
    
    Observations:
         K21F02K* C2021 03 22.23111511 23 53.22 -00 44 52.5          20.44GVEF088G96
         K21F02K  C2021 03 22.23677211 23 56.01 -00 45 28.5          21.16GVEF088G96
         K21F02K  C2021 03 22.24814311 24 01.57 -00 46 40.9          20.55GVEF088G96
         K21F02K KC2021 03 22.28177911 24 17.96 -00 50 17.1          20.24GVEF088I52
         K21F02K KC2021 03 22.28430411 24 19.18 -00 50 33.6          20.58GVEF088I52
         K21F02K KC2021 03 22.28682911 24 20.40 -00 50 49.3          20.58GVEF088I52
         K21F02K KC2021 03 22.28935211 24 21.64 -00 51 05.6          20.25GVEF088I52
         K21F02K KC2021 03 22.48586311 26 21.16 -01 05 35.2          20.7 GVEF088474
         K21F02K KC2021 03 22.48768011 26 22.06 -01 05 46.8          20.8 GVEF088474
         K21F02K KC2021 03 22.48949711 26 22.98 -01 05 58.7          20.7 GVEF088474
         K21F02K KC2021 03 22.49131311 26 23.89 -01 06 10.2          20.8 GVEF088474
         K21F02K |C2021 03 23.15109 11 32 56.50 -02 16 52.7          20.8 GVEF088807
         K21F02K |C2021 03 23.15371 11 32 57.75 -02 17 09.1          20.8 GVEF088807
         K21F02K |C2021 03 23.15627 11 32 58.98 -02 17 25.2          20.8 GVEF088807
         K21F02K KC2021 03 23.21723011 33 40.05 -02 29 09.5          19.98GVEF088I52
         K21F02K KC2021 03 23.21933311 33 41.18 -02 29 22.8          20.15GVEF088I52
         K21F02K KC2021 03 23.22143611 33 42.20 -02 29 36.1          19.72GVEF088I52
         K21F02K  C2021 03 23.28043511 34 10.62 -02 35 46.6          20.53GVEF088G96
         K21F02K  C2021 03 23.28560911 34 13.06 -02 36 19.3          20.42GVEF088G96
         K21F02K  C2021 03 23.29079511 34 15.54 -02 36 51.4          21.04GVEF088G96
         K21F02K  C2021 03 23.29597611 34 18.02 -02 37 23.9          21.43GVEF088G96
    
    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.  Observers K. W. Wierzchos, 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.  1.5-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 FK2                                                 Earth MOID = 0.0259 AU
    Epoch 2020 Dec. 17.0 TT = JDT 2459200.5                 Veres
    M 303.65107              (2000.0)            P               Q
    n   0.67510356     Peri.  173.82464     -0.98133124     -0.19231904
    a   1.2869326      Node   355.08640     +0.17567576     -0.89308653
    e   0.2073297      Incl.    1.03141     +0.07827527     -0.40670607
    P   1.46           H   28.0           G   0.15           U   6
    Residuals in seconds of arc
    210322 G96  0.1-  0.5-    210322 474  0.2+  0.2+    210323 I52  1.4-  0.1+
    210322 G96  0.1+  0.2-    210322 474  0.0   0.2+    210323 I52  0.1+  0.0
    210322 G96  0.1-  0.4+    210322 474  0.2+  0.1-    210323 I52  0.0   0.0
    210322 I52  0.0   0.0     210322 474  0.2+  0.0     210323 G96  0.5+  0.0
    210322 I52  0.1-  0.3-    210323 807  0.0   0.1-    210323 G96  0.0   0.3-
    210322 I52  0.2-  0.2+    210323 807  0.0   0.0     210323 G96  0.1+  0.1+
    210322 I52  0.0   0.1+    210323 807  0.2+  0.0     210323 G96  0.2+  0.0
    
    Ephemeris:
    2021 FK2                 a,e,i = 1.29, 0.21, 1                   q = 1.0201
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2021 02 21    07 59 07.7 +29 40 04   0.04969 1.0289   142.7    35.6    23.0
    ...
    2021 03 08    09 11 40.0 +21 14 46   0.03289 1.0201   146.3    32.7    22.0
    ...
    2021 03 16    10 21 09.3 +10 23 36   0.02801 1.0207   158.0    21.4    21.3
    ...
    2021 03 22    11 21 28.6 -00 17 10   0.02778 1.0236   169.2    10.5    20.9
    2021 03 23    11 31 24.0 -02 03 23   0.02807 1.0243   170.7     9.1    20.9
    2021 03 24    11 41 09.2 -03 46 53   0.02845 1.0251   171.9     7.9    20.9
    ...
    2021 03 30    12 34 00.1 -12 37 21   0.03248 1.0307   171.0     8.7    21.2
    ...
    2021 04 07    13 25 07.1 -19 46 48   0.04145 1.0412   165.9    13.6    22.0
    ...
    2021 04 22    14 14 06.4 -24 22 42   0.06560 1.0692   167.2    12.0    23.0
    
    M. P. C. Staff               (C) Copyright 2021 MPC           M.P.E.C. 2021-F88
    


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