• Processing (Info)

  • MPEC 2023-Q14 : 2018 GA

    The following Minor Planet Electronic Circular may be linked-to from your own Web pages, but must not otherwise be redistributed electronically.

    A form allowing access to any MPEC is at the bottom of this page.


    Read MPEC 2023-Q13 Read MPEC 2023-Q15


    M.P.E.C. 2023-Q14                               Issued 2023 August 18, 14:05 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
    
                                     2018 GA                                 
    
    
                               Revision to MPEC 2018-G19                            
    
    Additional Observations:
         K18G00A  C2011 09 25.47019001 55 26.700-02 32 37.06         23.48GVEQ014F51
         K18G00A  C2011 09 25.48287001 55 25.890-02 32 50.35         22.95GVEQ014F51
         K18G00A  C2011 09 25.49548001 55 25.074-02 33 03.81         22.56GVEQ014F51
         K18G00A  C2013 01 25.38298907 41 18.564-22 31 30.08         22.22GVEQ014F51
         K18G00A  C2013 01 25.39471607 41 17.369-22 31 24.72         21.70GVEQ014F51
         K18G00A  C2013 03 12.27597306 54 07.886-03 34 25.03         21.62GVEQ014F51
         K18G00A  C2013 07 16.27058713 58 07.980+40 58 59.07         22.33GVEQ014F51
         K18G00A  C2016 10 07.49954702 38 40.943-05 34 19.19         23.07GVEQ014F51
         K18G00A  C2016 10 07.52439902 38 39.359-05 34 41.34         22.89GVEQ014F51
         K18G00A  C2016 10 07.53682802 38 38.569-05 34 52.45         22.44GVEQ014F51
         K18G00A  C2017 12 26.57383110 42 43.065-21 22 59.85         22.86GVEQ014F51
         K18G00A  C2017 12 26.58481210 42 44.212-21 23 10.21         23.04GVEQ014F51
         K18G00A  C2017 12 26.59581210 42 45.300-21 23 20.05         23.15GVEQ014F51
         K18G00A  C2018 01 02.56137910 55 08.859-23 06 23.10         21.85GVEQ014F51
         K18G00A  C2018 01 02.57283810 55 10.056-23 06 32.97         22.03GVEQ014F51
         K18G00A  C2018 08 15.38706822 15 24.234+22 43 18.31         21.10GVEQ014F51
         K18G00A  C2018 08 15.52364922 15 13.474+22 37 51.68         20.64GVEQ014F51
         K18G00A  C2018 10 02.31008821 48 47.205-05 37 04.31         22.00GVEQ014F52
         K18G00A  C2018 10 02.33644921 48 47.550-05 37 37.50         22.07GVEQ014F52
         K18G00A  C2018 10 02.34955121 48 47.728-05 37 53.91         21.63GVEQ014F52
         K18G00A 0C2023 08 09.57684600 45 41.141+13 50 13.33         23.17GVEQ014T12
         K18G00A 0C2023 08 10.60730700 45 25.822+13 35 25.21         22.93GVEQ014T12
         K18G00A 0C2023 08 10.61262900 45 25.723+13 35 20.53         22.86GVEQ014T12
         K18G00A KC2023 08 16.33269800 43 12.59 +12 04 37.9          22.7 VuEQ014H21
         K18G00A KC2023 08 16.33642400 43 12.45 +12 04 33.9          22.8 VuEQ014H21
         K18G00A KC2023 08 16.34014800 43 12.32 +12 04 30.2          23.1 VuEQ014H21
    
    Observer details:
    F51 Pan-STARRS 1, Haleakala.  Observers J. Bulger, K. Chambers, T. Lowe, P.
        Minguez, A. Schultz, I. Smith.  Measurers S. Chastel, J. Fairlamb, M.
        Huber, Y. Ramanjooloo, R. Wainscoat, R. Weryk.  1.8-m Ritchey-Chretien +
        CCD.
    F52 Pan-STARRS 2, Haleakala.  Observers J. Bulger, K. Chambers, T. Dukes, T.
        Lowe, P. Minguez, A. Schultz, I. Smith.  Measurers S. Chastel, J.
        Fairlamb, M. Huber, Y. Ramanjooloo, R. Wainscoat, R. Weryk.  1.8-m
        Ritchey-Chretien + CCD.
    H21 Astronomical Research Observatory, Westfield.  Observer R. Holmes.
        Measurers T. Linder, R. Holmes, L. Horn.  1.3-m f/4.0 astrograph + CCD.
    T12 University of Hawaii 88-inch telescope, Maunakea.  Observers D. Hung, D.
        J. Tholen.  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, reference and Delta-T
    110925 F51 16.0-  0.4-    230816 H21 15.8-  3.8-    MPO750185   +0.01 days
    
    Orbital elements:
    2018 GA                                                  Earth MOID = 0.1073 AU
    Epoch 2023 Sept. 13.0 TT = JDT 2460200.5                Veres                   
    M  75.57153              (2000.0)            P               Q                  
    n   0.40455507     Peri.   53.23578     -0.63347778     +0.77350761             
    a   1.8105796      Node   177.20729     -0.77351763     -0.63371281             
    e   0.4544058      Incl.   23.97245     +0.01940018     -0.00969827             
    P   2.44           H   20.22          G   0.15           U   0                  
    Residuals in seconds of arc
    110925 F51  0.1-  0.2+    180405 K88  0.1+  0.1-    180807 711  0.2+  0.0
    110925 F51  0.1-  0.1+    180405 K88  0.0   0.2+    180807 711  0.2+  0.1+
    110925 F51  0.2-  0.2-    180405 K88  0.0   0.1+    180807 711  0.2+  0.2+
    130125 F51  0.1-  0.1-    180405 K88  0.5-  0.7-    180815 F51  0.4-  0.1-
    130125 F51  0.0   0.1-    180405 H01  0.0   0.2-    180815 F51  0.2-  0.1-
    130312 F51  0.0   0.1-    180405 H01  0.4-  0.2-    180829 695  0.0   0.0
    130716 F51  0.1-  0.1+    180405 H01  0.2-  0.3-    180829 695  0.0   0.2+
    161007 F51  0.2+  0.1+    180405 H01  0.1-  0.1-    180829 695  0.2-  0.2-
    161007 F51  0.0   0.3+    180409 I52  0.3-  0.1-    180906 291  0.1+  0.0
    161007 F51  0.1-  0.3+    180409 I52  0.1-  0.9-    180906 291  0.4-  0.4-
    171226 F51  0.1-  0.1+    180409 I52  0.1+  0.9-    180906 291  0.4-  0.5-
    171226 F51  0.3+  0.3-    180409 I52  0.1-  0.6-    180907 691  0.3-  0.1+
    171226 F51  0.1-  0.2-    180415 I52  0.0   0.0     180907 691  0.4-  0.1+
    180102 F51  0.0   0.2+    180415 I52  0.5-  0.1-    180907 691  0.3-  0.3+
    180102 F51  0.1-  0.4+    180415 I52  0.1+  0.6-    180911 691  0.1+  0.2+
    180401 C51  0.4-  0.2+    180421 I52  0.3+  0.4-    180911 691  0.1+  0.5-
    180402 C51  0.1+  0.1+    180421 I52  0.2+  0.5+    180911 691  0.2+  0.2+
    180402 C51  0.0   0.2-    180421 I52  0.2-  0.2-    180912 G96  0.8+  0.4-
    180402 C51  0.3+  0.2-    180421 I52  0.3+  0.2+    180912 G96  0.9+  0.5+
    180402 C51  0.2-  0.2+    180429 695  0.1-  0.1+    180912 G96  0.5+  0.1+
    180402 C51  0.0   0.1-    180429 695  0.6-  0.3+    181002 F52  0.0   0.3+
    180402 C51  0.1-  0.1+    180622 T12  0.2-  0.0     181002 F52  0.1-  0.1+
    180402 C51  0.1+  0.1-    180622 T12  0.2-  0.0     181002 F52  0.1-  0.1+
    180402 C51  0.3-  0.1-    180622 T12  0.1-  0.0     230809 T12  0.0   0.2+
    180402 C51  0.4+  0.3+    180622 T12  0.2-  0.1-    230810 T12  0.1-  0.1+
    180402 C51  0.1+  0.3+    180701 695  0.2-  0.1+    230810 T12  0.0   0.1+
    180402 C51  0.2+  0.0     180701 695  0.1-  0.0     230816 H21  0.1+  0.3+
    180404 H01  0.2-  0.1-    180701 695  0.0   0.1-    230816 H21  0.1-  0.1+
    180404 H01  0.0   0.2-    180804 291  0.4+  0.3-    230816 H21  0.2-  0.2+
    180404 H01  0.1-  0.3-    180804 291  0.2+  0.2+
    180404 H01  0.1-  0.3-    180804 291  0.1+  0.5+
    
    Ephemeris:
    2018 GA                  a,e,i = 1.81, 0.45, 24                  q = 0.9878
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2023 07 19    00 40 59.3 +17 20 12   1.1401  1.6454    99.3    37.6    23.1
    ...
    2023 08 03    00 46 14.7 +15 13 55   1.0667  1.7377   113.2    32.5    22.9
    ...
    2023 08 11    00 45 19.4 +13 29 41   1.0303  1.7853   121.7    28.9    22.8
    ...
    2023 08 17    00 42 51.6 +11 53 12   1.0066  1.8203   128.7    25.7    22.7
    2023 08 18    00 42 18.2 +11 35 35   1.0031  1.8261   129.9    25.2    22.7
    2023 08 19    00 41 42.4 +11 17 32   0.9997  1.8319   131.1    24.6    22.7
    ...
    2023 08 25    00 37 18.8 +09 20 34   0.9827  1.8660   138.8    20.9    22.6
    ...
    2023 09 02    00 29 31.8 +06 24 24   0.9707  1.9103   149.5    15.5    22.4
    ...
    2023 09 17    00 11 08.8 +00 21 17   0.9911  1.9900   170.8     4.6    22.1
    
    A. U. Tomatic                (C) Copyright 2023 MPC           M.P.E.C. 2023-Q14
    


    Read MPEC 2023-Q13 Read MPEC 2023-Q15


    MPEC number:

    Enter an MPEC number in one of the following forms:

    • 1997-B01 (the full form)
    • J97B01 (the packed version of the full form)
    • B01 (the abbreviated form)