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  • MPEC 2021-F70 : 2021 FR1

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    M.P.E.C. 2021-F70                                Issued 2021 March 22, 14:27 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 FR1                                 
    
    
    Observations:
         K21F01R* C2021 03 19.36944813 27 03.07 +11 04 07.5                VEF070G96
         K21F01R  C2021 03 19.37538613 27 02.39 +11 04 14.0          20.91GVEF070G96
         K21F01R  C2021 03 19.38063013 27 01.75 +11 04 20.7          21.53GVEF070G96
         K21F01R  C2021 03 19.38590913 27 01.15 +11 04 26.9          21.67GVEF070G96
         K21F01R  C2021 03 19.43692013 26 56.497+11 05 35.11         21.17wUEF070F51
         K21F01R mC2021 03 19.44045913 26 54.73 +11 05 34.1          21.60GVEF070I52
         K21F01R mC2021 03 19.44305513 26 54.43 +11 05 36.9          21.43GVEF070I52
         K21F01R mC2021 03 19.44451613 26 54.21 +11 05 39.0                VEF070I52
         K21F01R mC2021 03 19.44597813 26 54.07 +11 05 40.6          22.01GVEF070I52
         K21F01R  C2021 03 19.44901413 26 55.066+11 05 50.07         22.04wUEF070F51
         K21F01R 1C2021 03 20.04874 13 25 48.07 +11 18 01.2          21.5 VVEF070033
         K21F01R 1C2021 03 20.05232 13 25 47.63 +11 18 05.7          21.5 VVEF070033
         K21F01R 1C2021 03 20.05591 13 25 47.20 +11 18 10.1          21.1 VVEF070033
         K21F01R KC2021 03 20.23455413 25 28.38 +11 22 01.6          20.81GVEF070I52
         K21F01R KC2021 03 20.24043913 25 27.66 +11 22 09.1          20.89GVEF070I52
         K21F01R KC2021 03 20.24632613 25 26.93 +11 22 16.3          20.75GVEF070I52
         K21F01R KC2021 03 20.25221313 25 26.24 +11 22 24.0          20.45GVEF070I52
         K21F01R KC2021 03 20.28205113 25 21.90 +11 22 59.2          21.1 VuEF070H21
         K21F01R KC2021 03 20.28807113 25 21.13 +11 23 07.1          21.0 VuEF070H21
         K21F01R KC2021 03 20.29098513 25 20.79 +11 23 10.6          21.0 VuEF070H21
         K21F01R KC2021 03 21.00078513 23 57.00 +11 38 13.7          21.5 GVEF070L01
         K21F01R KC2021 03 21.00512013 23 56.41 +11 38 20.1          22.2 GVEF070L01
         K21F01R KC2021 03 21.02277113 23 54.17 +11 38 42.0          22.4 GVEF070L01
         K21F01R KC2021 03 21.03068913 23 53.10 +11 38 52.3          20.9 GVEF070L01
         K21F01R KC2021 03 21.03464513 23 52.61 +11 38 57.5          21.0 GVEF070L01
         K21F01R KC2021 03 22.23818713 21 20.79 +12 05 20.3          20.8 VuEF070H21
         K21F01R KC2021 03 22.24546913 21 19.75 +12 05 30.3          21.1 VuEF070H21
         K21F01R KC2021 03 22.25381813 21 18.58 +12 05 41.8          21.6 VuEF070H21
         K21F01R KC2021 03 22.26965213 21 16.98 +12 06 05.1          21.40GVEF070I52
         K21F01R KC2021 03 22.27385613 21 16.41 +12 06 11.1          20.45GVEF070I52
         K21F01R KC2021 03 22.27806013 21 15.76 +12 06 16.5          20.14GVEF070I52
    
    Observer details:
    033 Karl Schwarzschild Observatory, Tautenburg.  Observers S. Melnikov, C.
        Hoegner, U. Laux, F. Ludwig, B. Stecklum.  Measurer B. Stecklum.  1.34-m
        f/3 Schmidt + CCD.
    F51 Pan-STARRS 1, Haleakala.  Observers J. Bulger, 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.
    H21 Astronomical Research Observatory, Westfield.  Observer R. Holmes.
        Measurers S. Foglia, L. Buzzi, T. Linder, R. Holmes.  0.76-m f/3.0
        astrograph + CCD.
    I52 Steward Observatory, Mt. Lemmon Station.  Observers T. A. Pruyne, R. A.
        Kowalski.  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.  Observers K. Korlevic, D. Pujagic, V. Dobos,
        F. Hrzenjak.  Measurers D. Pujagic, K. Korlevic.  1.0-m f/2.9 reflector +
        CCD.
    
    Orbital elements:
    2021 FR1                                                 Earth MOID = 0.0126 AU
    Epoch 2020 Dec. 17.0 TT = JDT 2459200.5                 Bell                    
    M 182.36683              (2000.0)            P               Q                  
    n   0.87535015     Peri.  277.34099     +0.74001142     +0.66787267             
    a   1.0823013      Node    40.80372     -0.55903752     +0.67652257             
    e   0.3934387      Incl.    6.99279     -0.37397882     +0.31026330             
    P   1.13           H   22.60          G   0.15           U   8                  
    Residuals in seconds of arc
    210319 G96  0.2-  0.6+    210319 F51  0.1+  0.1-    210321 L01  0.2-  0.1-
    210319 G96  0.0-  0.2-    210319 F51  0.1+  0.1-    210321 L01  0.5-  0.7+
    210319 G96  0.3-  0.1+    210320 033  0.1-  0.1-    210321 L01  0.4+  0.2-
    210319 G96  0.0+  0.2-    210320 033  0.2-  0.1-    210321 L01  0.2-  0.1-
    210319 F51  0.0-  0.0+    210320 033  0.2-  0.1-    210321 L01  0.2+  0.0+
    210319 F51  0.0-  0.0+    210320 I52  0.1+  0.3+    210322 H21  0.0+  0.1-
    210319 F51  0.0-  0.0+    210320 I52  0.0+  0.3+    210322 H21  0.0-  0.0+
    210319 I52  0.3+  0.3+    210320 I52  0.1-  0.1-    210322 H21  0.2+  0.3+
    210319 I52  0.4+  0.1-    210320 I52  0.3+  0.1+    210322 I52  0.0-  0.1-
    210319 I52  0.4-  0.3+    210320 H21  0.0-  0.5-    210322 I52  0.3+  0.2+
    210319 I52  0.1+  0.0+    210320 H21  0.3-  0.2-    210322 I52  0.4-  0.2-
    210319 F51  0.1+  0.1-    210320 H21  0.0+  0.4-
    
    Ephemeris:
    2021 FR1                 a,e,i = 1.08, 0.39, 7                   q = 0.6565
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2021 02 20    13 39 28.0 +05 17 57   0.5382  1.3902   128.7    33.7    23.4
    ...
    2021 03 07    13 40 16.0 +07 38 19   0.3995  1.3318   142.6    26.9    22.4
    ...
    2021 03 15    13 33 38.3 +09 40 54   0.3340  1.2959   150.6    22.1    21.8
    ...
    2021 03 21    13 23 57.0 +11 38 29   0.2897  1.2668   156.3    18.4    21.4
    2021 03 22    13 21 51.5 +12 00 17   0.2828  1.2617   157.1    17.9    21.3
    2021 03 23    13 19 36.9 +12 22 42   0.2760  1.2566   157.9    17.4    21.2
    ...
    2021 03 29    13 02 36.7 +14 49 50   0.2381  1.2250   160.2    16.0    20.8
    ...
    2021 04 06    12 28 27.7 +18 31 22   0.1962  1.1801   154.0    21.8    20.5
    ...
    2021 04 21    10 41 23.5 +24 11 44   0.1481  1.0879   120.7    52.6    20.6
    
    M. P. C. Staff               (C) Copyright 2021 MPC           M.P.E.C. 2021-F70
    


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