[Iaude] MPEC N98: 2018 AG1 [a=1.74,e=0.64,i=5.8,H=22.09]

mpec at cfa.harvard.edu mpec at cfa.harvard.edu
Mon Jul 8 09:28:12 EDT 2024


M.P.E.C. 2024-N98                                  Issued 2024 July 8, 13:26 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 at CFA.HARVARD.EDU
            URL https://www.minorplanetcenter.net/    ISSN 1523-6714

                                    2018 AG1                                    


                           Revision to MPEC 2018-A41                            

Additional Observations:
     K18A01G 0C2024 07 07.26054814 02 47.092-12 53 14.29         23.52GVEN098T14
     K18A01G 0C2024 07 07.26198614 02 46.947-12 53 14.33         23.47GVEN098T14
     K18A01G 0C2024 07 07.26342414 02 46.801-12 53 14.26         23.29GVEN098T14
     K18A01G 0C2024 07 08.25689414 01 14.233-12 53 15.80         22.84GVEN098T14
     K18A01G 0C2024 07 08.25833414 01 14.094-12 53 15.80         23.00GVEN098T14
     K18A01G 0C2024 07 08.25977214 01 13.955-12 53 15.75         22.96GVEN098T14

Observer details:
T14 Canada-France-Hawaii Telescope, Maunakea.  Observers H. Januszewski, L.
    Wells.  Measurer D. J. Tholen.  3.6-m f/4.1 reflector + 1024 x 2306 pixels
    Megacam.

First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
240707 T14 0.21- 0.53-    240708 T14 0.14- 0.52-    MPO438048   -2.86 days

Orbital elements:
2018 AG1                                                 Earth MOID = 0.0289 AU
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5                 Veres                   
M 283.68916              (2000.0)            P               Q                  
n   0.43121745     Peri.  291.50844     +0.97916846     -0.17700347             
a   1.7351559      Node    78.79481     +0.20249027     +0.88755835             
e   0.6370441      Incl.    5.82133     -0.01506038     +0.42533510             
P   2.29           H   22.09          G   0.15           U   2                  
Residuals in seconds of arc
180101 F51  0.1+  0.1+    180108 K88  0.1-  0.2-    180118 I52  0.3-  0.1+
180103 F51  0.2-  0.1-    180108 B15  0.0   0.3-    180118 I52  0.0   0.6+
180103 F51 (0.6+  0.4+)   180108 B15  0.1-  0.1-    180118 I52  0.0   0.2+
180108 G96  0.1-  0.1-    180108 B15  0.2-  0.3-    180119 I52  0.8+  1.5+
180108 G96  0.2+  0.2+    180108 B15  0.2-  0.4-    180119 I52  0.9+  0.3+
180108 G96  0.1+  0.0     180108 L04  0.6+  0.1-    180119 I52 (1.9+  1.5-)
180108 G96  0.1-  0.1-    180108 L04  0.4+  0.2+    180206 291  1.7+  0.3+
180108 I52  0.4-  0.2+    180108 L04  0.5+  0.2-    180206 291  1.5+  0.4-
180108 I52  0.1-  0.1+    180110 033  0.0   0.2+    240707 T14  0.2-  0.1-
180108 I52  0.1+  0.0     180110 033  0.2+  0.2+    240707 T14  0.2-  0.1-
180108 I52  0.1+  0.0     180110 033  0.1+  0.0     240707 T14  0.2-  0.1-
180108 I52  0.6+  0.9+    180110 033  0.1+  0.0     240708 T14  0.2-  0.1-
180108 I52  0.7+  0.2+    180110 033  0.0   0.1-    240708 T14  0.2-  0.1-
180108 I52  0.5+  0.0     180111 926  0.1+  0.1-    240708 T14  0.2-  0.0
180108 K88  0.0   0.1-    180111 926  0.1-  0.6+
180108 K88  0.1-  0.1-    180111 926  0.3+  0.0

Ephemeris:
2018 AG1                 a,e,i = 1.74, 0.64, 6                   q = 0.6298
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2024 06 08    15 09 48.6 -14 28 01   0.6287  1.5960   151.5    17.7    23.0
...
2024 06 23    14 30 50.1 -13 20 02   0.5917  1.4568   127.9    33.4    23.2
...
2024 07 01    14 13 45.4 -12 58 53   0.5844  1.3788   116.3    41.4    23.2
...
2024 07 07    14 03 12.2 -12 53 08   0.5813  1.3186   108.1    47.1    23.3
2024 07 08    14 01 38.2 -12 53 06   0.5809  1.3085   106.8    48.1    23.3
2024 07 09    14 00 07.4 -12 53 19   0.5804  1.2983   105.5    49.0    23.3
...
2024 07 15    13 52 06.4 -13 00 05   0.5770  1.2364    98.0    54.5    23.3
...
2024 07 23    13 43 51.0 -13 22 33   0.5689  1.1521    88.6    61.8    23.4
...
2024 08 07    13 32 21.2 -14 34 44   0.5347  0.9908    72.1    77.0    23.4

A. U. Tomatic                (C) Copyright 2024 MPC           M.P.E.C. 2024-N98





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