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  • MPEC 2022-S201 : 2021 GM16

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    M.P.E.C. 2022-S201                           Issued 2022 September 24, 14:11 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 GM16                                
    
    
                               Revision to MPEC 2021-H26                            
    
    Additional Observations:
         K21G16M  C2005 06 06.15938712 06 44.68 +17 50 29.4                nES201645
         K21G16M  C2005 06 06.16021612 06 44.66 +17 50 25.5                nES201645
         K21G16M  C2005 06 06.16270412 06 44.64 +17 50 14.7                nES201645
         K21G16M KC2012 02 09.50050112 02 24.964+63 52 02.58         22.56GVES201F51
         K21G16M KC2012 02 28.47772011 24 31.838+69 15 53.92         23.27GVES201F51
         K21G16M KC2014 09 14.62689404 01 20.030-39 19 44.61         23.35GVES201F51
         K21G16M KC2014 11 28.36620601 25 22.767-16 00 18.25         23.02GVES201F51
         K21G16M  C2021 05 19.51367216 16 00.988+13 43 44.44         18.52GVES201F51
         K21G16M  C2021 05 19.51700116 16 00.212+13 43 21.43         18.92GVES201F51
    
    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.
    F51 Pan-STARRS 1, Haleakala.  Observers J. Bulger, K. Chambers, T. Lowe, A.
        Schultz, I. Smith.  Measurers S. Chastel, J. Fairlamb, M. Huber, Y.
        Ramanjooloo, R. Wainscoat, R. Weryk.  1.8-m Ritchey-Chretien + CCD.
    
    First and last observations above in comparison with prediction:
    Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
    050606 645 0.05+ 0.06+    210519 F51 0.00+ 0.00+    MPO641174   +0.03 days
    
    Orbital elements:
    2021 GM16                                                Earth MOID = 0.1098 AU
    Epoch 2022 Aug. 9.0 TT = JDT 2459800.5                  Veres                   
    M 227.56556              (2000.0)            P               Q                  
    n   0.55646890     Peri.  204.80939     -0.00295779     +0.90961260             
    a   1.4638911      Node    67.39604     -0.82586179     +0.23203603             
    e   0.2452541      Incl.   26.74468     -0.56386484     -0.34462183             
    P   1.77           H   21.24          G   0.15           U   0                  
    Residuals in seconds of arc
    050606 645  0.5+  0.5+    210511 T08  0.0   0.1+    210530 G40  0.0   0.7+
    050606 645  0.2+  0.3+    210511 T08  0.5+  0.2-    210530 G40  0.6+  0.2+
    050606 645  0.3+  0.5+    210511 T08  0.0   0.2+    210530 G40  0.2-  0.3-
    120209 F51  0.1+  0.4-    210512 F51  0.0   0.1-    210530 Q21  0.9+  0.2-
    120228 F51  0.2+  0.3-    210512 F51  0.1+  0.0     210530 Q21  1.1-  1.3-
    140914 F51  0.4+  0.1+    210512 F51  0.0   0.2-    210530 G17  0.1-  0.2+
    141128 F51  0.3-  0.0     210512 F51  0.1+  0.1+    210530 G17  0.2+  0.3+
    210413 V00  0.0   0.2+    210515 T08  0.0   0.0     210530 G17  0.1-  0.2-
    210413 V00  0.1+  0.2-    210515 T08  0.0   0.3+    210531 W94  0.2-  0.1+
    210413 V00  0.3-  0.1+    210515 T08  0.0   0.3+    210531 W94  0.2-  0.2-
    210413 V00  0.3+  0.1-    210515 T08  0.4+  0.1-    210531 W94  0.0   0.1-
    210414 033  0.1+  0.2+    210517 T05  0.2+  0.7-    210531 T05  0.1-  0.1+
    210414 033  0.2+  0.1-    210517 T05  0.8+  0.5+    210531 T05  0.1-  0.0
    210414 033  0.1+  0.0     210517 T05  0.4+  0.6+    210531 T05  0.1+  0.3+
    210414 033  0.1+  0.2-    210517 T05  0.4-  0.1-    210531 G17  0.1+  0.1-
    210414 G96  0.4+  0.4-    210517 F51  0.0   0.0     210531 G17  0.2-  0.0
    210414 G96  0.3+  0.4+    210517 F51  0.1+  0.1+    210531 160  0.3+  0.4+
    210414 G96 (1.1+  0.4-)   210517 F51  0.1+  0.0     210531 G17  0.2+  0.3-
    210416 H21  0.1+  0.1-    210517 F51  0.0   0.1-    210531 160  0.1-  0.5+
    210416 H21  0.5-  0.1-    210519 G96  0.1-  0.0     210531 160  0.1+  0.4-
    210423 I52  0.3-  0.0     210519 G96  0.1-  0.1-    210531 G40  0.2-  0.7-
    210423 I52  0.2-  0.3-    210519 G96  0.2-  0.1-    210531 G40  0.1-  0.2-
    210423 I52  0.1+  0.4+    210519 G96  0.2-  0.1-    210531 204  0.1+  0.4+
    210424 033  0.0   0.0     210519 T08  0.2-  0.2+    210531 204  0.4-  0.3+
    210424 033  0.0   0.0     210519 T08  0.2-  0.2+    210531 G40  0.3-  0.2-
    210424 033  0.1+  0.1+    210519 T08  0.1+  0.0     210531 204  0.2-  0.1+
    210424 033  0.0   0.0     210519 T08  0.2+  0.5+    210602 807  0.1-  0.2-
    210428 F51  0.0   0.1+    210519 F51  0.0   0.0     210602 807  0.0   0.1-
    210428 F51  0.0   0.1+    210519 F51  0.0   0.0     210602 807  0.0   0.4-
    210428 F51  0.1-  0.3+    210520 G96  0.1+  0.2+    210602 T08  0.1+  0.2+
    210430 I52  0.7-  0.4+    210520 G96  0.2-  0.1-    210602 T08  0.1+  0.2+
    210430 I52  0.2+  0.1-    210520 G96  0.1-  0.0     210602 T08  0.0   0.2-
    210430 I52  0.0   0.6-    210520 G96  0.3-  0.1-    210602 T08  0.0   0.4+
    210504 G96  0.2+  0.0     210521 L18  0.4-  1.1-    210606 Y00  0.3-  0.2-
    210504 G96  0.1-  0.1-    210521 L18  0.2-  1.4-    210606 Y00  0.2-  0.3+
    210504 G96  0.1-  0.2+    210521 L18  0.2-  0.8-    210606 Y00  1.1-  0.3+
    210504 G96  0.0   0.3-    210523 K87  0.3-  0.2+    210609 807  0.1+  0.1-
    210505 I41  0.3-  0.0     210523 K87  0.1+  0.4-    210609 807  0.2+  0.1-
    210505 I41  0.3-  0.0     210523 K87  0.3+  0.4-    210609 807  0.1-  0.2-
    210505 I41  0.5-  0.2+    210528 T05  0.0   0.1-    210609 807  0.1+  0.1+
    210505 I41  0.1+  0.5+    210528 T05  0.1+  0.1-    210612 807  0.3+  0.1+
    210507 I52  0.2-  0.3-    210528 T05  0.1+  0.0     210612 807  0.2-  0.2+
    210507 I52  0.4-  0.8-    210528 T05  0.0   0.7-    210612 807  0.4+  0.6+
    210507 I52  0.2-  0.1-    210529 I52  0.1-  0.1-    210612 807  0.3+  0.1+
    210507 I52  0.1-  0.1-    210529 I52  0.1-  0.1-    210612 807  0.1-  0.3-
    210507 D29  0.1-  0.3-    210529 I52  0.1-  0.0     210619 807 (0.5+  0.8+)
    210507 D29  0.1+  0.2-    210529 I52  0.0   0.0     210619 807  0.8+  0.3-
    210511 I52  0.1+  0.2+    210529 K74  0.3-  0.0     210619 807  0.3+  0.4-
    210511 I52  0.0   0.2+    210529 K74  0.1-  0.3-    210627 807 (0.2-  1.0+)
    210511 I52  0.1+  0.0     210529 K74  0.3-  0.0     210627 807  0.3+  0.2+
    210511 I52  0.0   0.1-    210529 K74  0.1-  0.3-    210627 807  0.1+  0.2+
    210511 T08  0.1+  0.3+    210529 K74  0.1-  0.1-
    
    Ephemeris:
    2021 GM16                a,e,i = 1.46, 0.25, 27                  q = 1.1049
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2022 08 25    09 34 41.9 +30 17 55   2.6129  1.7119    21.4    12.4    25.2
    ...
    2022 09 09    10 16 38.2 +27 53 57   2.5291  1.6774    25.5    15.0    25.2
    ...
    2022 09 17    10 38 53.4 +26 23 31   2.4799  1.6572    27.7    16.4    25.2
    ...
    2022 09 23    10 55 31.9 +25 09 50   2.4412  1.6413    29.3    17.4    25.2
    2022 09 24    10 58 18.1 +24 57 05   2.4346  1.6386    29.6    17.6    25.2
    2022 09 25    11 01 04.2 +24 44 12   2.4280  1.6359    29.8    17.8    25.2
    ...
    2022 10 01    11 17 39.7 +23 24 16   2.3876  1.6191    31.4    18.8    25.1
    ...
    2022 10 09    11 39 44.0 +21 30 57   2.3322  1.5959    33.4    20.2    25.1
    ...
    2022 10 24    12 21 05.2 +17 39 36   2.2248  1.5495    36.9    22.7    25.0
    
    A. U. Tomatic                (C) Copyright 2022 MPC           M.P.E.C. 2022-S201
    


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