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  • MPEC 2024-G89 : 2019 GS1

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    M.P.E.C. 2024-G89                                 Issued 2024 April 7, 14:10 UT
    
         The Minor Planet Electronic Circulars contain information on unusual
             minor planets, routine data on comets and natural satellites,
             and occasional editorial announcements.  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
    
                                    2019 GS1                                 
    
    
                               Revision to MPEC 2019-G62                            
    
    Additional Observations:
         K19G01S 1C2024 04 04.43402314 21 47.502-07 49 34.79         20.09GVEG089G96
         K19G01S 1C2024 04 04.43953514 21 44.827-07 49 32.81         20.22GVEG089G96
         K19G01S 1C2024 04 04.44503514 21 42.145-07 49 30.61         20.21GVEG089G96
         K19G01S 1C2024 04 04.45054014 21 39.460-07 49 28.63         20.28GVEG089G96
         K19G01S 0C2024 04 04.62056914 20 19.266-07 48 08.55         20.51GVEG089T12
         K19G01S 0C2024 04 04.62269414 20 18.221-07 48 07.66         20.41GVEG089T12
         K19G01S KB2024 04 06.07281 14 08 08.052-07 36 41.11         19.1 GXEG089L87
         K19G01S KB2024 04 06.07895 14 08 04.637-07 36 40.61         18.2 GXEG089L87
         K19G01S KB2024 04 06.08507 14 08 01.092-07 36 36.65         20.0 GXEG089L87
         K19G01S KC2024 04 06.61147014 03 07.294-07 31 32.30         20.1 GVEG089474
         K19G01S KC2024 04 06.61665414 03 04.147-07 31 29.24         20.1 GVEG089474
         K19G01S KC2024 04 06.61924514 03 02.556-07 31 27.80         20.3 GVEG089474
         K19G01S KC2024 04 06.62183614 03 00.998-07 31 26.22         20.2 GVEG089474
    
    Observer details:
    474 Mount John Observatory, Lake Tekapo.  Observers A. C. Gilmore, P. M.
        Kilmartin.  Measurer P. M. Kilmartin.  0.6-m f/6.3 Reflector + CCD.
    G96 Mt. Lemmon Survey.  Observer G. J. Leonard.  Measurers T. Beuden, V. F.
        Carvajal, D. Fay, J. B. Fazekas, D. C. Fuls, A. R. Gibbs, A. D. Grauer, H.
        Groeller, J. K. Hogan, R. A. Kowalski, S. M. Larson, G. J. Leonard, D.
        Rankin, R. L. Seaman, F. C. Shelly, K. W. Wierzchos.  1.5-m reflector +
        10K CCD.
    L87 Moonbase South Observatory, Hakos.  Observer G. Duszanowicz.  0.28-m f/1.9
        reflector + CMO.
    T12 University of Hawaii 88-inch telescope, Maunakea.  Observers D. J. Tholen,
        M.-T. Hui.  Measurer D. J. Tholen.  2.24-m f/10.1 reflector + 2112 x 2112
        pixels STA1600 10k CCD.
    
    First and last observations above in comparison with prediction:
    Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
    240404 G96 5.59+ 2.77+    240406 474 6.26+ 3.14+    MPO467541   +0.78 days
    
    Orbital elements:
    2019 GS1                                                 Earth MOID = 0.0203 AU
    Epoch 2024 Mar. 31.0 TT = JDT 2460400.5                 Veres                   
    M 211.18863              (2000.0)            P               Q                  
    n   1.38547180     Peri.  337.56597     +0.99911118     +0.01662498             
    a   0.7969008      Node    21.58973     +0.00427008     +0.87429501             
    e   0.4120733      Incl.    6.04286     -0.04193588     +0.48511014             
    P   0.71           H   24.42          G   0.15           U   2                  
    Residuals in seconds of arc
    190402 F51  0.1-  0.1-    190404 H01  0.1+  0.1+    240404 G96  0.0   0.1+
    190402 F51  0.4+  0.0     190405 807  0.3+  0.0     240404 G96  0.1+  0.0
    190404 G96  0.9-  0.1+    190405 807  0.1+  0.1+    240404 G96  0.1+  0.1+
    190404 G96  0.6+  0.0     190405 807  0.3-  0.3+    240404 G96  0.1-  0.1-
    190404 G96  0.5-  0.3+    190405 I52  0.1-  0.1+    240404 T12  0.0   0.0
    190404 G96  1.0-  0.2-    190405 I52  0.4+  0.0     240404 T12  0.0   0.0
    190404 I52  0.6-  0.6-    190405 I52  0.1+  0.0     240406 L87 (2.4-  2.5+)
    190404 I52  0.1+  0.0     190408 291  0.5+  0.3+    240406 L87  0.2-  0.3-
    190404 I52  0.6+  1.2-    190408 291  0.1+  0.1+    240406 L87  0.1-  0.4+
    190404 I52  0.2-  0.1+    190408 291  0.5+  0.1+    240406 474  0.0   0.0
    190404 H01  0.2+  0.0     190424 695  0.0   0.2-    240406 474  0.1+  0.1+
    190404 H01  0.1+  0.0     190424 695  0.1-  0.3-    240406 474  0.1-  0.1+
    190404 H01  0.2+  0.1-    190424 695  0.1+  0.2+    240406 474  0.2+  0.2+
    
    Ephemeris:
    2019 GS1                 a,e,i = 0.80, 0.41, 6                   q = 0.4685
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2024 03 08    15 26 30.1 -07 57 02   0.2517  1.1253   115.8    52.6    23.6
    ...
    2024 03 23    15 14 12.6 -08 12 43   0.1633  1.1151   133.4    40.5    22.3
    ...
    2024 03 31    14 48 41.3 -08 05 45   0.1188  1.1008   147.4    29.3    21.3
    ...
    2024 04 06    14 08 50.8 -07 37 47   0.08891 1.0860   162.9    15.7    20.2
    2024 04 07    13 59 19.9 -07 28 54   0.08444 1.0832   166.2    12.7    20.0
    2024 04 08    13 48 44.6 -07 18 06   0.08018 1.0803   169.8     9.5    19.7
    ...
    2024 04 14    12 17 50.1 -05 11 17   0.06068 1.0608   161.7    17.3    19.4
    ...
    2024 04 22    09 30 01.0 +00 24 18   0.06000 1.0292   112.0    64.9    20.7
    ...
    2024 05 07    06 47 07.4 +05 38 08   0.1138  0.9527    57.4   116.8    24.2
    
    A. U. Tomatic                (C) Copyright 2024 MPC           M.P.E.C. 2024-G89
    


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