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  • MPEC 2022-R146 : 2020 QA7

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    M.P.E.C. 2022-R146                           Issued 2022 September 10, 14:09 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 QA7                                 
    
    
                               Revision to MPEC 2020-R45                            
    
    Additional Observations:
         K20Q07A  C2002 10 10.15829120 29 01.44 -01 03 01.8                nER146645
         K20Q07A  C2002 10 10.15912020 29 01.51 -01 03 01.7                nER146645
         K20Q07A  C2002 10 10.16160820 29 01.73 -01 03 01.3                nER146645
         K20Q07A  C2002 10 30.08662621 10 16.85 -00 22 42.6                nER146645
         K20Q07A  C2002 10 30.08745521 10 16.97 -00 22 42.4                nER146645
         K20Q07A  C2002 10 30.08994321 10 17.35 -00 22 41.8                nER146645
    
    Observer details:
    645 Apache Point-Sloan Digital Sky Survey.  Observer .  Measurers J. A.
        Izquierdo, F. Arias Arias, F. Barnes Sanchez, C. Chacon Suarez, L. Da
        Silva Evora, A. De Dios Cubillas, J. De La Cal Santamarta, J. De Mula Y
        Gonzalez De Riancho, S. De Napoli Cocci, J. Delpech, M. Gambero Hernandez,
        M. Garcia-vino Sanchez, C. Garrido, L. Gonzalez Lorenzo, N. Huelamo
        Bautista, F. J. Benarque Fonseca, E. J. Perez Rodriguez, P. Jordi, J. L.
        Moreno Diaz, J. L. Permuy Palomo, J. M. Pina OrduNa, R. Martin Lopez, P.
        Mir Hosseini, S. Monino Romero, N. Mouchout, S. Munoz Torres, J. Murcia
        Rocha, J. Piraux, D. Pustejovsky Carrillo, J. R. Vidal Blanco, C. Rey
        Rodriguez, M. Rocher, C. Rodrigo, I. Rodriguez Jauregui, E. Solano, M.
        Vazquez Munoz, A. Velasco.  2.50-m reflector + CCD.
    
    First and last observations above in comparison with prediction:
    Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
    021010 645 0.07- 0.05-    021030 645 0.07- 0.05-    MPO600160   -0.00 days
    
    Orbital elements:
    2020 QA7                                                 Earth MOID = 0.3147 AU
    Epoch 2022 Aug. 9.0 TT = JDT 2459800.5                  Veres                   
    M 148.02252              (2000.0)            P               Q                  
    n   0.21998533     Peri.  127.43452     +0.89430345     -0.42564481             
    a   2.7177337      Node   258.13400     +0.35292918     +0.86058591             
    e   0.5274787      Incl.    8.10731     +0.27506787     +0.27967550             
    P   4.48           H   20.13          G   0.15           U   0                  
    Residuals in seconds of arc
    021010 645 (0.5+  0.8-)   201023 I41  0.1-  0.2-    201206 I52  0.1+  0.2+
    021010 645 (0.4+  0.7-)   201023 I41  0.0   0.0     201206 I52  0.0   0.2+
    021010 645  0.4+  0.4-    201027 I41  0.0   0.2-    201206 T08  0.2+  0.0
    021030 645 (1.6+  0.3-)   201027 I41  0.2+  0.1-    201206 T08  0.4+  0.1-
    021030 645 (1.6+  0.3-)   201029 I41  0.1+  0.2+    201206 T08  0.8+  0.3-
    021030 645 (1.8+  0.2-)   201029 I41  0.2+  0.3-    201206 T08  0.5+  0.2-
    200828 G96  0.2+  0.0     201108 D29  0.0   0.1+    201206 T08  0.1+  0.2+
    200828 G96  0.1-  0.3-    201108 D29  0.1-  0.3+    201206 T08  0.1-  0.0
    200828 G96  0.3+  0.0     201121 703  0.7+  0.1-    201206 T08  0.3-  0.2-
    200828 G96  0.3+  0.2+    201121 703  1.6+  0.3+    201208 T05  0.1-  0.2+
    200828 G96  0.1+  0.1-    201121 703  1.0+  0.8-    201208 T05  0.4-  0.4+
    200828 G96  0.0   0.1-    201121 703  0.2+  0.0     201208 T05  0.3+  0.2+
    200828 G96  0.2+  0.1+    201122 G96  0.1-  0.1+    201208 T05  0.2+  0.5+
    200829 H21  0.6-  0.6+    201122 G96  0.2+  0.0     201210 F52  0.1-  0.1+
    200829 H21  0.2-  0.4+    201122 G96  0.4+  0.1-    201210 F52  0.1+  0.0
    200829 H21  0.1-  0.4+    201122 G96  0.0   0.1+    201210 F52  0.0   0.0
    200904 F51  0.1-  0.0     201124 I41  0.0   0.2-    201210 F52  0.0   0.0
    200904 F51  0.1+  0.1+    201124 I41  0.2+  0.1-    201215 G96  0.6-  0.3+
    200904 F51  0.1+  0.1+    201126 703  0.8-  1.9+    201215 G96  0.5+  0.3+
    200908 L01  0.6-  0.8+    201126 703  0.3-  0.6+    201215 G96  0.3+  0.1+
    200908 L01  0.4-  0.1-    201126 703  0.5-  0.3-    201215 G96  0.2-  0.1-
    200908 L01  0.2-  0.1-    201126 703  1.5-  0.8+    201215 F51  0.0   0.1-
    200908 L01  0.1+  0.2+    201126 I41  0.0   0.1-    201215 F51  0.1+  0.1-
    200921 G96  0.2+  0.0     201126 I41  0.3-  0.2-    201215 F51  0.1-  0.0
    200921 G96  0.2-  0.1+    201127 703  0.1+  0.7-    201215 F51  0.0   0.1+
    200921 G96  0.0   0.0     201127 703  0.1+  0.6+    201217 I52  0.2+  0.1+
    200930 I52  0.2+  0.1+    201127 703  0.4-  0.3+    201217 I52  0.0   0.7+
    200930 I52  0.2+  0.1+    201127 703  0.6-  0.6-    201217 I52  0.0   0.1+
    200930 I52  0.3-  0.1-    201204 G96  0.1-  0.0     201217 I52  0.1-  0.2-
    201011 G96  0.0   0.1-    201204 G96  0.1-  0.2-    210104 I52  0.2+  0.1-
    201011 G96  0.3-  0.0     201204 G96  0.1+  0.1-    210104 I52  0.3-  0.3-
    201011 G96  0.2-  0.1+    201204 G96  0.0   0.1-    210104 I52  0.2-  0.0
    201011 G96  0.3-  0.1-    201205 I52  0.0   0.1-    210105 G96  0.0   0.2-
    201022 G96  0.1-  0.3+    201205 I52  0.1+  0.1+    210105 G96 (0.3+  1.1-)
    201022 G96  0.2-  0.1+    201205 I52  0.3-  0.1+    210105 G96  0.3-  0.2-
    201022 G96  0.3-  0.2-    201205 I52  0.1+  0.1+    210105 G96  0.4+  0.1-
    201023 I41  0.2-  0.0     201206 I52  0.2-  0.3+
    201023 I41  0.1+  0.2-    201206 I52  0.3-  0.1-
    
    Ephemeris:
    2020 QA7                 a,e,i = 2.72, 0.53, 8                   q = 1.2842
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2022 08 11    12 03 40.8 -07 16 12   4.6950  4.0578    46.1    10.4    27.2
    ...
    2022 08 26    12 16 48.3 -08 24 38   4.8604  4.0764    35.2     8.2    27.2
    ...
    2022 09 03    12 24 08.2 -09 04 30   4.9332  4.0855    29.5     7.0    27.2
    ...
    2022 09 09    12 29 45.1 -09 35 38   4.9802  4.0919    25.3     6.0    27.1
    2022 09 10    12 30 41.8 -09 40 54   4.9874  4.0929    24.6     5.9    27.1
    2022 09 11    12 31 38.6 -09 46 12   4.9944  4.0939    23.9     5.7    27.1
    ...
    2022 09 17    12 37 22.1 -10 18 28   5.0324  4.0999    19.7     4.7    27.1
    ...
    2022 09 25    12 45 06.2 -11 02 34   5.0722  4.1074    14.3     3.4    27.1
    ...
    2022 10 10    12 59 48.0 -12 27 26   5.1117  4.1198     6.0     1.5    26.9
    
    A. U. Tomatic                (C) Copyright 2022 MPC           M.P.E.C. 2022-R146
    


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