• MPC Preparation (Info)

  • MPEC 2018-F30 : 2011 FG

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    M.P.E.C. 2018-F30                                Issued 2018 Mar. 18, 11:46 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
    
                                        2011 FG
    
                               Revision to MPEC 2011-F25
    
    Additional Observations:
         K11F00G  C2018 03 17.51740 13 53 08.263-09 36 08.44         20.9 wUEF030F51
         K11F00G  C2018 03 17.52809 13 53 07.612-09 34 37.35         21.0 wUEF030F51
         K11F00G  C2018 03 17.54956 13 53 06.313-09 31 33.59         21.0 wUEF030F51
         K11F00G |C2018 03 18.26053 13 52 29.74 -07 48 53.5          20.8 VuEF030807
         K11F00G |C2018 03 18.26492 13 52 29.47 -07 48 15.0          21.0 VuEF030807
         K11F00G |C2018 03 18.26717 13 52 29.33 -07 47 55.4          20.7 VuEF030807
    
    Observer details:
    807 Cerro Tololo.  Observers T. Linder, R. Holmes.  0.61-m f/6.5 astrograph
        + CCD, 1.00-m f/10.0 astrograph + CCD.
    F51 Pan-STARRS 1, Haleakala.  Observers J. Bulger, T. Lowe, A. Schultz,
        M. Willman.  Measurers K. Chambers, S. Chastel, L. Denneau, H. Flewelling,
        M. Huber, E. Magnier, Y. Ramanjooloo, R. Wainscoat, C. Waters, R. Weryk.
        1.8-m Ritchey-Chretien + CCD.
    
    First and last observations above in comparison with prediction:
    Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
    180317 F51 5.09- 3.77-    180318 807 5.17- 3.72-    MPO196428   +2.8 day
    
    Orbital elements:
    2011 FG                                                  Earth MOID = 0.2979 AU
    Epoch 2018 Mar. 23.0 TT = JDT 2458200.5                 MPC
    M  30.28465              (2000.0)            P               Q
    n   0.56534618     Peri.  326.08983     -0.85364529     -0.51690975
    a   1.4485264      Node   184.56219     +0.42105882     -0.75717068
    e   0.1217913      Incl.   53.55448     -0.30659287     +0.39937060
    P   1.74           H   21.7           G   0.15           U   4
    Residuals in seconds of arc
    110324 703  0.6-  0.4+    110324 A13  0.5-  0.3+    110331 H21  0.0   0.4+
    110324 703  0.2-  0.3-    110324 A13  0.0   0.7+    110331 F51  0.2-  0.0
    110324 703  1.0-  0.1-    110324 I93  0.0   0.3+    110331 F51  0.2-  0.1-
    110324 703  0.6-  0.6-    110325 A13  0.6-  0.5+    110331 F51  0.0   0.1+
    110324 703  0.1+  0.2+    110325 A13 (1.7-  0.6+)   110402 291  0.7+  0.7-
    110324 703 (1.3-  2.7-)   110325 I93  0.3-  0.3-    110402 291  0.6+  0.0
    110324 703  0.9-  0.2-    110325 I93  0.5-  0.0     110402 291  0.0   1.1+
    110324 703  0.3+  1.4-    110325 I93  0.7-  0.2+    110402 291  0.6+  0.8-
    110324 703  0.2-  0.1-    110325 204  0.2+  0.1-    110402 291  0.1+  0.7+
    110324 703 (3.4+  0.1-)   110325 204  0.0   0.6-    110402 291  0.5-  0.6+
    110324 854  0.7+  0.5+    110325 D90  0.3-  0.1-    110413 H21  0.1+  0.3-
    110324 854 (2.1+  1.2-)   110325 D90  0.1-  0.3+    110413 H21  0.8+  0.0
    110324 854  0.4+  0.5-    110325 D90  0.3-  0.1-    110413 H21  0.3+  0.1-
    110324 J95  1.1+  0.6+    110325 A17  0.3-  0.8-    180317 F51  0.2-  0.3+
    110324 J95  0.1-  0.4-    110325 A17  0.6-  0.4-    180317 F51  0.2-  0.0
    110324 J95  0.4+  0.4-    110325 A17  0.0   0.7-    180317 F51  0.1-  0.2+
    110324 J95  0.3-  0.6+    110325 J18  0.6-  0.4-    180318 807  0.0   0.0
    110324 J95  0.3-  0.3-    110326 J18  0.8-  0.4-    180318 807  0.1+  0.2+
    110324 I93  0.3-  0.0     110326 J18  0.2-  0.5-    180318 807  0.1+  0.2+
    110324 I93  0.6+  0.2-    110331 H21  0.4-  0.5-
    110324 I93  0.7+  1.3-    110331 H21  0.2-  0.4-
    
    Ephemeris:
    2011 FG                  a,e,i = 1.45, 0.12, 54                  q = 1.2721
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2018 02 16    13 48 14.4 -47 46 45   0.6422  1.2759   100.9    49.5    23.1
    ...
    2018 03 03    13 57 54.5 -35 27 56   0.4642  1.2844   119.4    42.2    22.2
    ...
    2018 03 11    13 57 08.0 -23 23 45   0.3864  1.2908   133.7    33.8    21.6
    ...
    2018 03 17    13 53 33.8 -10 49 10   0.3465  1.2964   145.9    25.5    21.1
    2018 03 18    13 52 43.3 -08 26 52   0.3419  1.2974   147.8    24.1    21.1
    2018 03 19    13 51 48.8 -06 00 50   0.3381  1.2984   149.6    22.8    21.0
    ...
    2018 03 25    13 45 02.0 +09 17 29   0.3311  1.3048   155.0    18.8    20.8
    ...
    2018 04 02    13 33 09.2 +28 04 45   0.3637  1.3143   145.1    25.8    21.3
    ...
    2018 04 17    13 07 51.6 +49 04 52   0.5090  1.3345   120.2    40.5    22.5
    
    A. U. Tomatic                (C) Copyright 2018 MPC           M.P.E.C. 2018-F30
    

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