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  • MPEC 2019-F95 : 2018 FY

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    M.P.E.C. 2019-F95                                Issued 2019 Mar. 26, 21:29 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
    
                                        2018 FY
    
                               Revision to MPEC 2018-F36
    
    Additional Observations:
         K18F00Y  C2017 02 22.25731904 16 27.379-15 50 28.44               VEF095F51
         K18F00Y  C2017 02 22.26817004 16 32.000-15 48 55.94         20.8 GVEF095F51
         K18F00Y  C2017 03 18.24439 07 24 35.901+35 25 43.38         21.1 wLEF095F51
         K18F00Y  C2017 03 18.25639 07 24 40.466+35 26 29.57         21.1 wLEF095F51
         K18F00Y  C2017 03 18.26838 07 24 45.020+35 27 15.58         21.0 wLEF095F51
    
    Observer details:
    F51 Pan-STARRS 1, Haleakala.  Observers J. Bulger, K. Chambers, T. Lowe,
        E. Magnier, A. Schultz, M. Willman, B. Gibson, T. Goggia, S. Kahale.
        Measurers S. Chastel, M. Huber, Y. Ramanjooloo, R. Wainscoat, R. Weryk,
        K. Chambers, L. Denneau, H. Flewelling, E. Lilly, E. Magnier, C. Waters.
        1.8-m Ritchey-Chretien + CCD.
    
    First and last observations above in comparison with prediction:
    Residuals in seconds of arc, reference and Delta-T
    170222 F51 18.2- 54.7+    170318 F51 41.6- 17.5-    MPO457149   -0.0031 day
    
    Orbital elements:
    2018 FY                                                  Earth MOID = 0.0259 AU
    Epoch 2019 Apr. 27.0 TT = JDT 2458600.5                 MPC
    M 169.31439              (2000.0)            P               Q
    n   1.01343465     Peri.  244.77677     +0.64715566     -0.76066765
    a   0.9816098      Node   164.56310     +0.74991457     +0.62320579
    e   0.1307881      Incl.   10.98869     +0.13717757     +0.18165703
    P   0.97           H   23.3           G   0.15           U   3
    Residuals in seconds of arc
    170222 F51  0.2+  0.3-    180318 H21  0.0   0.0     180404 I52  0.4-  0.1-
    170222 F51  0.1+  0.2+    180320 I52  0.0   0.1+    180404 I52  0.3-  0.1-
    170318 F51  0.3-  0.1+    180320 I52  0.0   0.4-    180411 I52  0.5-  0.1-
    170318 F51  0.2-  0.1+    180320 I52  0.3-  0.2-    180411 I52  0.5-  0.5-
    170318 F51  0.1-  0.2+    180320 I52  0.1+  0.5-    180411 I52  0.6-  0.1+
    180316 G96  0.1+  0.4+    180321 I52  0.1+  0.2-    180411 I52  0.4-  0.3-
    180316 G96  0.6+  0.5-    180321 I52  0.2-  0.2-    180423 291  0.0   0.3+
    180316 G96  0.4-  0.0     180321 I52  0.0   0.1+    180423 291  0.1-  0.3+
    180316 G96  0.0   0.4+    180321 I52  0.1+  0.1+    180423 291  0.2-  0.4+
    180316 I52  0.1-  0.4-    180322 G96  0.4+  0.1-    180426 291  0.2-  0.2-
    180316 I52  0.4+  0.6-    180322 G96  0.0   0.3-    180426 291  0.6+  0.7-
    180316 I52  0.2+  0.1+    180322 G96  0.3+  0.3+    180505 H21  0.0   0.1+
    180316 I52  0.4-  0.7-    180322 G96  0.0   0.1+    180505 H21  0.3+  0.0
    180316 G96  0.1-  0.6+    180327 I52  0.1+  0.1+    180505 H21  0.1-  0.2-
    180316 G96  0.5-  0.2+    180327 I52  0.7+  0.2-    180506 H21  0.1-  0.4-
    180316 G96  0.1+  0.2+    180327 I52  0.0   0.1+    180506 H21  0.1+  0.4-
    180316 G96  0.3+  1.1+    180327 I52  0.1+  0.1-    180506 H21  0.1-  0.4-
    180317 I52  0.3-  0.3-    180329 I52  0.1+  0.5-    180507 H21  0.1-  0.5+
    180317 I52  0.1-  0.4+    180329 I52  0.3-  0.5-    180507 H21  0.3-  0.3+
    180317 I52  0.3-  0.4+    180329 I52  0.2+  0.0     180507 H21  0.3-  0.2-
    180317 I52  0.1+  0.2+    180329 I52  0.5+  0.1+    180519 291  0.1+  0.4+
    180318 H21  0.4+  0.2+    180404 I52  0.5-  0.1-    180519 291  0.5+  0.1+
    180318 H21  0.1+  0.1+    180404 I52  0.5-  0.5-    180519 291  0.5+  0.2-
    
    Ephemeris:
    2018 FY                  a,e,i = 0.98, 0.13, 11                  q = 0.8532
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2019 02 24    16 05 14.2 -17 04 08   0.2595  1.0325    92.2    73.3    23.0
    ...
    2019 03 11    16 42 21.2 -06 59 15   0.2409  1.0600    99.5    67.5    22.7
    ...
    2019 03 19    16 59 00.8 -00 45 37   0.2319  1.0725   103.2    64.6    22.6
    ...
    2019 03 25    17 09 51.9 +04 14 00   0.2260  1.0808   105.8    62.5    22.5
    2019 03 26    17 11 31.4 +05 05 18   0.2251  1.0821   106.3    62.2    22.4
    2019 03 27    17 13 08.2 +05 56 57   0.2242  1.0834   106.7    61.9    22.4
    ...
    2019 04 02    17 21 47.5 +11 12 43   0.2196  1.0904   108.9    60.1    22.3
    ...
    2019 04 10    17 30 18.9 +18 21 25   0.2151  1.0982   111.3    58.2    22.3
    ...
    2019 04 25    17 35 42.3 +31 12 35   0.2122  1.1075   113.5    56.4    22.2
    
    A. U. Tomatic                (C) Copyright 2019 MPC           M.P.E.C. 2019-F95
    

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