• MPC Preparation (Info)

  • MPEC 2019-U76 : 2005 WA1

    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 2019-U75 Read MPEC 2019-U77


    M.P.E.C. 2019-U76                              Issued 2019 October 21, 21:00 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
    
                                    2005 WA1                                 
    
    
                               Revision to MPEC 2005-W34                            
    
    Additional Observations:
         K05W01A KC2019 09 26.26804022 58 29.213+13 45 14.06         24.75GVEU076T12
         K05W01A KC2019 09 26.31373022 58 25.179+13 44 44.50         24.90GVEU076T12
         K05W01A KC2019 09 27.38029122 56 53.612+13 32 59.82         24.87GVEU076T12
    
    Observer details:
    T12 Mauna Kea-UH/Tholen NEO Follow-Up (2.24-m).  Observers D. J. Tholen, D. 
       Fohring, M.-T. Hui.  Measurer D. J. Tholen.  2.24-m f/10.1 reflector + CCD.
    
    First and last observations above in comparison with prediction:
    Residuals in seconds of arc, reference and Delta-T
    190926 T12 17.1-  9.0-    190927 T12 17.0-  9.0-    MPO167646   -0.01 days
    
    Orbital elements:
    2005 WA1                                            PHA, Earth MOID = 0.0207 AU
    Epoch 2019 Apr. 27.0 TT = JDT 2458600.5                 Veres
    M 241.55326              (2000.0)            P               Q
    n   0.34666229     Peri.  241.65120     -0.61329678     -0.77023728
    a   2.0069273      Node   247.25388     +0.77470887     -0.54343846
    e   0.5850374      Incl.   10.93443     +0.15392603     -0.33378013
    P   2.84           H   21.6           G   0.15           U   1
    Residuals in seconds of arc
    051112 703  0.1+  1.1+    051126 844  0.8+  0.5-    051128 G77  0.4+  0.3+
    051112 703  0.2-  0.4+    051126 844  2.5+  2.7+    051129 704  0.1-  0.5+
    051112 703  0.4-  0.6-    051126 844  1.4+  0.4-    051129 704  0.2-  0.3+
    051112 703  0.4-  0.8+    051126 844  0.3-  0.8-    051129 704  0.1-  0.5+
    051121 703  0.2+  0.3-    051126 844  0.8+  0.8+    051129 704  0.1-  0.0
    051121 703  0.1-  0.1-    051126 844  0.3-  0.4+    051201 704  0.3+  0.8+
    051121 703  0.1+  0.1-    051126 844  0.5+  0.3-    051201 704  0.2+  0.8+
    051121 703  0.5-  0.2+    051126 844  0.1-  0.8+    051201 704  0.3-  0.5+
    051121 703  0.9+  0.1+    051126 844  0.4-  0.1-    051201 704  0.1+  0.9+
    051121 703  1.9-  0.6-    051126 G88  0.2-  0.3+    051201 704  0.0   0.8+
    051121 703  0.5-  0.5-    051126 G88  0.0   0.2+    051201 639  0.5-  0.5-
    051121 703  0.1+  0.1+    051126 711  5.8+  0.4-    051201 639  0.0   0.4-
    051121 565  1.0-  0.1+    051126 711  2.6+  0.1+    051201 639  0.5-  0.1-
    051121 565  0.5+  0.1+    051126 G88  0.3-  0.3+    051201 639  0.4-  0.0
    051121 565  0.1+  0.0     051126 711  5.0+  0.5-    051201 639  0.5-  0.1-
    051122 734  0.1-  0.5-    051126 A50  0.0   0.1+    051201 639  0.9-  0.3+
    051122 734  0.0   0.6-    051126 A50  0.5+  0.3+    051201 143  0.0   0.1+
    051122 734  0.3+  0.8+    051126 A50  0.3+  0.5+    051201 143  0.2+  0.2-
    051122 734  0.4-  0.6-    051126 A50  0.9+  0.1+    051201 143  0.2+  0.0
    051122 734  0.6+  0.6+    051126 A50  0.9+  0.1+    051202 704  0.2-  0.7+
    051122 651  0.0   0.2+    051126 469  0.3+  0.6+    051202 704  0.3-  0.4+
    051122 651  0.5+  0.3+    051126 469  0.3-  0.2-    051202 704  0.1-  0.2+
    051122 651  0.0   0.3+    051126 469  0.7+  0.2+    051202 704  0.2-  0.3+
    051122 673  0.0   0.2+    051127 844  0.7-  0.1-    051202 704  0.2-  0.2-
    051122 673  0.1-  0.3+    051127 844  1.7+  1.6-    051203 704  0.2-  0.4+
    051122 673  0.1-  0.2+    051127 844  0.2+  0.4+    051203 704  0.1-  0.3+
    051122 673  0.1-  0.2+    051127 844  0.3+  1.0-    051203 704  0.1-  0.8+
    051122 682  1.4-  1.8-    051127 844  0.1+  0.1+    051203 294  0.0   2.4-
    051122 682  2.3-  4.0-    051127 844  0.3+  0.7-    051203 355  0.3+  0.8-
    051122 682  0.0   0.2+    051127 844  0.7+  0.4+    051203 355  0.3+  0.0
    051123 682  1.5-  2.0-    051127 844  0.3+  0.5-    051203 355  0.4+  0.6-
    051123 682  1.4-  2.0-    051127 844  0.3+  0.5+    051203 355  0.9-  0.4-
    051123 682  1.6-  2.2-    051127 844  0.1-  0.6-    051204 294  0.0   0.5+
    051124 J95  0.1+  0.0     051127 G88  0.3-  0.2+    051204 294  1.7-  0.5-
    051124 J95  0.1+  0.1-    051127 G88  0.2-  0.4+    051204 294  1.0-  1.0+
    051124 J95  0.0   0.0     051127 G88  0.4-  0.2+    060525 568  0.6+  0.5+
    051125 151  0.3-  0.1+    051127 143  0.0   0.1+    060525 568  0.5+  0.1+
    051125 151  0.2-  0.3+    051127 143  0.2+  0.3-    060526 568  0.7+  0.3+
    051125 151  0.0   0.4+    051128 G77  0.4-  1.3-    190926 T12  0.1-  0.0
    051125 151  0.2-  0.1+    051128 G77  0.4-  0.4-    190926 T12  0.1+  0.0
    051125 151  0.5-  0.2-    051128 G77  0.2+  0.0     190927 T12  0.1-  0.0
    051126 844  1.9-  1.0+    051128 G77  0.4+  0.0
    
    Ephemeris:
    2005 WA1                 a,e,i = 2.01, 0.59, 11                  q = 0.8328
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2019 09 21    23 06 06.7 +14 38 41   1.2466  2.2199   160.9     8.5    24.4
    ...
    2019 10 06    22 45 14.1 +11 49 24   1.1986  2.1224   149.6    13.8    24.4
    ...
    2019 10 14    22 36 02.8 +10 05 12   1.1958  2.0681   140.9    17.7    24.5
    ...
    2019 10 20    22 30 34.1 +08 46 39   1.2024  2.0263   134.1    20.7    24.6
    2019 10 21    22 29 47.2 +08 33 45   1.2042  2.0193   133.0    21.1    24.6
    2019 10 22    22 29 02.8 +08 20 57   1.2061  2.0122   131.9    21.6    24.6
    ...
    2019 10 28    22 25 27.8 +07 06 42   1.2207  1.9693   125.2    24.3    24.6
    ...
    2019 11 05    22 23 03.6 +05 37 12   1.2469  1.9106   116.7    27.6    24.7
    ...
    2019 11 20    22 25 42.5 +03 28 29   1.3067  1.7962   102.1    32.5    24.8
    
    A. U. Tomatic                (C) Copyright 2019 MPC           M.P.E.C. 2019-U76
    


    Read MPEC 2019-U75 Read MPEC 2019-U77


    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)