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  • MPEC 2021-G182 : 2021 GG8

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    M.P.E.C. 2021-G182                               Issued 2021 April 13, 01:18 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 GG8                                 
    
    
    Observations:
         K21G08G* C2021 04 11.32182 13 19 04.44 +13 13 32.5          20.2 GVEG182U68
         K21G08G  C2021 04 11.32516 13 18 57.95 +13 12 17.8          20.2 GVEG182U68
         K21G08G  C2021 04 11.39012 13 16 53.71 +12 48 06.8          20.0 GVEG182U68
         K21G08G  C2021 04 11.39346 13 16 47.43 +12 46 52.9          20.0 GVEG182U68
         K21G08G EC2021 04 11.97808413 00 35.95 +09 25 59.6          19.9 GVEG182J95
         K21G08G EC2021 04 11.98511813 00 25.01 +09 23 45.3          20.0 GVEG182J95
         K21G08G KC2021 04 11.99302813 00 12.72 +09 21 15.7          20.1 GVEG182J95
         K21G08G KC2021 04 12.03301712 59 10.67 +09 08 53.7          19.7 GVEG182I93
         K21G08G KC2021 04 12.04047912 58 59.24 +09 06 34.1          19.8 GVEG182I93
         K21G08G KC2021 04 12.04809112 58 47.56 +09 04 11.2          20.0 GVEG182I93
         K21G08G KC2021 04 12.18579712 55 32.50 +08 22 12.6          20.8 VuEG182H21
         K21G08G KC2021 04 12.18988112 55 26.50 +08 20 59.2          20.5 VuEG182H21
         K21G08G KC2021 04 12.19232912 55 22.91 +08 20 15.3          20.7 VuEG182H21
         K21G08G  C2021 04 12.28615 12 53 11.22 +07 52 38.3          19.7 GVEG182654
         K21G08G  C2021 04 12.37506 12 51 05.91 +07 26 53.0          20.8 GVEG182654
         K21G08G  C2021 04 12.43125 12 49 48.95 +07 10 53.4          20.7 GVEG182654
         K21G08G KC2021 04 12.96768912 39 02.56 +04 49 42.4          20.9 GVEG182J95
         K21G08G KC2021 04 12.98962412 38 37.32 +04 44 22.6          20.8 GVEG182J95
         K21G08G 1C2021 04 12.99908 12 38 25.16 +04 42 05.2          20.5 VVEG182033
         K21G08G 1C2021 04 13.00012 12 38 23.95 +04 41 50.1          21.1 VVEG182033
         K21G08G 1C2021 04 13.00116 12 38 22.76 +04 41 35.2          21.0 VVEG182033
    
    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.
    654 Table Mountain Observatory, Wrightwood-PHMC.  Observers P. Choi, N. Saini,
        C. Zhai, R. Trahan, M. Shao.
    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.
    I93 St Pardon de Conques.  Observer 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.
    U68 JPL SynTrack Robotic Telescope, Auberry.  Observers N. Saini, C. Zhai, R.
        Trahan, M. Zhan, M. Shao.  0.28-m f/2.2 Schmidt + CCD.
    
    Orbital elements:
    2021 GG8                                                 Earth MOID = 0.0382 AU
    Epoch 2020 Dec. 17.0 TT = JDT 2459200.5                 Veres                   
    M 304.02901              (2000.0)            P               Q                  
    n   1.09804350     Peri.   42.41902     +0.43443489     -0.88709637             
    a   0.9305142      Node    23.20483     +0.68301998     +0.21158056             
    e   0.5771219      Incl.   23.31845     +0.58715418     +0.41023614             
    P   0.90           H   25.67          G   0.15           U   8                  
    Residuals in seconds of arc
    210411 U68  0.1-  0.1+    210412 I93  0.1+  0.5-    210412 654  0.0-  0.1-
    210411 U68  0.5-  0.4+    210412 I93  0.3+  0.1+    210412 654  0.1+  0.0+
    210411 U68  0.5-  0.0+    210412 I93  0.2-  0.2+    210412 J95  0.5-  0.1+
    210411 U68  0.0-  0.2+    210412 H21  0.1-  0.2-    210412 J95  0.6+  0.3+
    210411 J95  0.1+  0.0-    210412 H21  0.2-  0.1-    210412 033  0.1+  0.1-
    210411 J95  0.3+  0.5-    210412 H21  0.1-  0.0+    210413 033  0.2-  0.1-
    210411 J95  0.2+  0.1+    210412 654  0.1-  0.2+    210413 033  0.2-  0.1+
    
    Ephemeris:
    2021 GG8                 a,e,i = 0.93, 0.58, 23                  q = 0.3935
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2021 03 14    22 24 03.3 +22 23 28   0.2968  0.7537    30.5   138.0    29.0
    ...
    2021 03 29    21 33 27.9 +29 42 14   0.1250  0.9220    49.5   124.6    26.2
    ...
    2021 04 06    18 39 43.5 +40 56 46   0.04890 1.0015    89.5    87.7    22.2
    ...
    2021 04 12    13 00 03.5 +09 21 02   0.05678 1.0563   161.3    17.7    20.5
    2021 04 13    12 38 27.2 +04 43 41   0.06540 1.0651   162.1    16.9    20.8
    2021 04 14    12 22 18.9 +01 11 08   0.07482 1.0737   160.4    18.3    21.1
    ...
    2021 04 20    11 36 46.7 -09 00 35   0.1387  1.1234   146.9    29.2    22.9
    ...
    2021 04 28    11 19 27.3 -13 23 14   0.2310  1.1837   135.9    36.3    24.3
    ...
    2021 05 13    11 16 36.2 -16 23 22   0.4125  1.2797   122.4    41.8    25.9
    
    M. P. C. Staff               (C) Copyright 2021 MPC           M.P.E.C. 2021-G182
    


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