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  • MPEC 2021-H48 : 2021 GA22

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    M.P.E.C. 2021-H48                                Issued 2021 April 18, 09:40 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 GA22                                
    
    
    Observations:
         K21G22A* C2021 04 14.44266612 56 49.440-01 40 48.40         21.76wUEH048F51
         K21G22A  C2021 04 14.45403212 56 53.073-01 41 37.04         21.65wUEH048F51
         K21G22A  C2021 04 14.46541612 56 56.711-01 42 25.66         21.49wUEH048F51
         K21G22A |C2021 04 15.15607 13 00 55.25 -02 27 33.6          21.6 GVEH048807
         K21G22A |C2021 04 15.16057 13 00 56.55 -02 27 50.9          21.8 GVEH048807
         K21G22A |C2021 04 15.16487 13 00 57.78 -02 28 07.5          21.9 GVEH048807
         K21G22A |C2021 04 16.09002 13 05 41.19 -03 23 41.1          22.0 GVEH048807
         K21G22A |C2021 04 16.09445 13 05 42.32 -03 23 56.0          22.0 GVEH048807
         K21G22A |C2021 04 16.09833 13 05 43.29 -03 24 09.3          22.0 GVEH048807
    
    Observer details:
    807 Cerro Tololo Observatory, La Serena.  Observers T. Linder, R. Holmes.
        1.00-m f/10.0 astrograph + 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.
    
    Orbital elements:
    2021 GA22                                                Earth MOID = 0.0092 AU
    Epoch 2020 Dec. 17.0 TT = JDT 2459200.5                 Bell                    
    M 333.02625              (2000.0)            P               Q                  
    n   0.38015747     Peri.  102.70458     -0.80861440     -0.58822642             
    a   1.8872396      Node    41.26573     +0.53279416     -0.74042964             
    e   0.5245470      Incl.    0.99973     +0.24954586     -0.32519782             
    P   2.59           H   26.49          G   0.15           U   8                  
    Residuals in seconds of arc
    210414 F51  0.2-  0.1+    210415 807  0.1-  0.1+    210416 807  0.0   0.1-
    210414 F51  0.1+  0.1-    210415 807  0.1+  0.1+    210416 807  0.1+  0.1+
    210414 F51  0.3+  0.2-    210415 807  0.1+  0.0     210416 807  0.1-  0.1-
    
    Ephemeris:
    2021 GA22                a,e,i = 1.89, 0.52, 1                   q = 0.8973
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2021 03 19    03 11 48.3 +24 48 51   0.1041  0.9385    54.2   120.6    26.3
    ...
    2021 04 03    08 37 28.8 +35 01 27   0.03175 1.0104   108.8    69.5    21.5
    ...
    2021 04 11    12 29 06.3 +03 48 58   0.05936 1.0590   162.9    16.1    21.4
    ...
    2021 04 17    13 09 42.2 -04 12 27   0.09622 1.0987   170.3     8.9    22.2
    2021 04 18    13 13 39.7 -04 59 04   0.1028  1.1056   170.6     8.5    22.4
    2021 04 19    13 17 10.2 -05 40 13   0.1095  1.1125   170.8     8.3    22.5
    ...
    2021 04 25    13 32 02.6 -08 31 33   0.1512  1.1550   169.7     9.0    23.3
    ...
    2021 05 03    13 43 30.6 -10 36 21   0.2117  1.2140   165.3    12.1    24.3
    ...
    2021 05 18    13 57 19.7 -12 41 39   0.3415  1.3284   154.7    19.0    25.7
    
    M. P. C. Staff               (C) Copyright 2021 MPC           M.P.E.C. 2021-H48
    


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