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  • MPEC 2021-D115 : 2020 GE

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    M.P.E.C. 2021-D115                            Issued 2021 February 26, 15:00 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
    
                                     2020 GE                                 
    
    
                               Revision to MPEC 2020-G13                            
    
    Additional Observations:
         K20G00E &C2021 01 23.29028410 59 16.464-17 32 33.22         24.7 GVED115309
         K20G00E &C2021 01 23.29445810 59 16.411-17 32 36.07         24.6 GVED115309
         K20G00E 5C2021 02 22.45935010 38 05.119-16 26 49.94         22.2 GVED115G37
         K20G00E ^C2021 02 25.29223 10 32 09.65 -15 02 47.9          22.1 GVED115695
         K20G00E ^C2021 02 25.30528 10 32 06.97 -15 02 22.5                VED115695
    
    Observer details:
    309 Cerro Paranal.  Observers O. Hainaut, D. Koschny, M. Micheli, L. Conversi.
        Measurer M. Micheli.  8.2-m VLT + CCD.
    695 Kitt Peak.  Observer R. A. Mastaler.  2.3-m f/9 reflector + CCD.
    G37 Lowell Discovery Telescope.  Observer M. Devogele.  Measurers M. Micheli,
        M. Devogele.  4.3-m reflector + CCD.
    
    First and last observations above in comparison with prediction:
    Residuals in seconds of arc, reference and Delta-T
    210123 309  1.9+  0.1+    210225 695  4.0+  1.0+    MPO600151   -0.00 days
    
    Orbital elements:
    2020 GE                                                  Earth MOID = 0.0111 AU
    Epoch 2020 Dec. 17.0 TT = JDT 2459200.5                 Veres
    M 151.45510              (2000.0)            P               Q
    n   0.98043651     Peri.  116.37299     +0.49073541     +0.87130605
    a   1.0035131      Node   183.01847     -0.81310307     +0.45707527
    e   0.0389384      Incl.    2.31279     -0.31311684     +0.17862799
    P   1.01           H   28.1           G   0.15           U   3
    Residuals in seconds of arc
    200329 F51  0.5+  0.1-    200405 033  0.5-  0.0     200411 G96  0.3-  0.9-
    200329 F51  0.0   0.1-    200405 033  0.4-  0.4+    200411 G96  0.6+  0.4+
    200329 F51  0.1-  0.3-    200405 J95  0.2-  0.3+    200413 033  0.3-  0.2-
    200402 G96  0.3+  0.3+    200405 J95  0.2-  0.3-    200413 033  0.4-  0.1-
    200402 G96  0.1-  0.2-    200405 J95  0.1+  0.3+    200413 033  0.3-  0.4-
    200402 G96  0.3+  1.3+    200406 033  0.4+  0.9+    200413 033  0.1+  0.3-
    200402 G96  0.0   1.1+    200406 033  0.1+  0.4+    200413 033  0.7+  0.1-
    200402 I52  0.2-  0.1-    200406 033  0.3+  0.5+    200416 H21  0.4+  0.1-
    200402 I52  0.0   0.4-    200407 J95  0.1-  0.6-    200416 H21  0.1-  0.3+
    200402 I52  0.2-  0.2-    200407 J95  0.3-  0.5+    200416 H21  0.1+  0.3+
    200403 L01  0.1-  0.4+    200409 J95  0.1+  0.6-    210123 309  0.1+  0.2-
    200403 L01  0.5-  0.1+    200409 J95  0.6+  0.9-    210123 309  0.0   0.1+
    200403 L01  0.1+  0.1-    200410 J95  0.1+  0.5+    210222 G37  0.1-  0.2+
    200403 L01  0.1+  0.1-    200410 J95  0.6-  0.5+    210225 695  0.2+  0.0
    200405 033  0.4-  0.2+    200411 G96  0.7+  0.5+    210225 695  0.2-  0.2-
    
    Ephemeris:
    2020 GE                  a,e,i = 1.00, 0.04, 2                   q = 0.9644
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2021 01 27    11 00 30.3 -18 14 37   0.08707 1.0418   129.1    47.1    24.7
    ...
    2021 02 11    10 55 33.2 -19 13 03   0.06503 1.0387   141.6    36.2    23.7
    ...
    2021 02 19    10 44 42.0 -17 42 39   0.05478 1.0361   149.6    28.8    23.1
    ...
    2021 02 25    10 32 47.4 -15 10 11   0.04810 1.0338   155.6    23.3    22.7
    2021 02 26    10 30 30.8 -14 36 28   0.04708 1.0334   156.5    22.4    22.6
    2021 02 27    10 28 09.3 -14 00 10   0.04609 1.0330   157.4    21.7    22.5
    ...
    2021 03 05    10 12 24.0 -09 24 40   0.04079 1.0302   160.1    19.2    22.2
    ...
    2021 03 13    09 48 11.8 -00 36 47   0.03571 1.0261   153.8    25.3    22.1
    ...
    2021 03 28    09 04 30.1 +20 43 17   0.03253 1.0171   125.2    53.3    22.7
    
    A. U. Tomatic                (C) Copyright 2021 MPC           M.P.E.C. 2021-D115
    


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