[Iaude] MPEC E21: 2012 FD58 [a=1.11,e=0.39,i=15.6,H=21.4]

mpec at mpcdb1.cfa.harvard.edu mpec at mpcdb1.cfa.harvard.edu
Sat Mar 2 15:01:17 EST 2019


M.P.E.C. 2019-E21                                Issued 2019 Mar. 2, 19:58 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 at CFA.HARVARD.EDU
            URL https://www.minorplanetcenter.net/    ISSN 1523-6714


                                   2012 FD58
 
                          Revision to MPEC 2012-F107
 
Additional Observations:
     K12F58D |C2019 02 26.14752 11 07 48.49 -23 16 34.0          22.3 VuEE021807
     K12F58D |C2019 02 26.15895 11 07 46.96 -23 16 22.9          22.2 VuEE021807
     K12F58D |C2019 02 26.17007 11 07 45.49 -23 16 13.0          22.1 VuEE021807
     K12F58D |C2019 03 02.24806 10 59 00.85 -22 03 50.5          22.2 VuEE021807
     K12F58D |C2019 03 02.25938 10 58 59.24 -22 03 35.7          22.2 VuEE021807
     K12F58D |C2019 03 02.27068 10 58 57.78 -22 03 22.6          22.2 VuEE021807
 
Observer details:
807 Cerro Tololo Observatory, La Serena.  Observers T. Linder, R. Holmes.
    0.61-m f/6.5 astrograph + CCD.
 
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
190226 807 0.27+ 0.04-    190302 807 0.28+ 0.05-    MPO230292   -0.27 day
 
Orbital elements:
2012 FD58                                                Earth MOID = 0.1509 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5                 MPC
M 233.63823              (2000.0)            P               Q
n   0.83824083     Peri.  136.89354     +0.93890044     +0.32520029
a   1.1140128      Node   204.80990     -0.34013781     +0.92676916
e   0.3856194      Incl.   15.58593     +0.05265203     +0.18799919
P   1.18           H   21.4           G   0.15           U   5
Residuals in seconds of arc
120327 G96  0.3-  0.7+    120329 H01  0.1+  0.2-    120420 291  0.1+  0.1+
120327 G96 (1.9+  0.1-)   120329 H01  0.0   0.0     120420 291  0.1-  0.2+
120327 G96  1.1-  0.4+    120329 H01  0.1+  0.1-    190226 807  0.5+  0.1-
120327 G96  0.0   0.3-    120329 H01  0.1+  0.0     190226 807  0.1-  0.4+
120328 H01  0.2+  0.1-    120330 291  0.2+  0.3-    190226 807  0.4-  0.1-
120328 H01  0.1+  0.1-    120330 291  0.2-  0.0     190302 807  0.1+  0.8-
120328 H01  0.0   0.2-    120330 291  0.3+  0.3+    190302 807  0.7-  0.5+
120328 H01  0.2+  0.1-    120420 291  0.1-  0.3-    190302 807  0.5+  0.1+

Ephemeris:
2012 FD58                a,e,i = 1.11, 0.39, 16                  q = 0.6844
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2019 01 31    11 44 24.5 -25 16 07   0.7797  1.5320   120.0    33.8    23.2
...
2019 02 15    11 28 13.8 -25 13 16   0.6757  1.5424   135.2    26.8    22.7
...
2019 02 23    11 14 09.8 -24 01 16   0.6312  1.5436   143.6    22.3    22.4
...
2019 03 01    11 01 44.4 -22 27 46   0.6049  1.5424   149.4    19.1    22.2
2019 03 02    10 59 33.8 -22 08 45   0.6012  1.5421   150.2    18.6    22.2
2019 03 03    10 57 21.9 -21 48 46   0.5978  1.5417   151.1    18.1    22.2
...
2019 03 09    10 43 59.2 -19 29 20   0.5816  1.5382   154.5    16.1    22.0
...
2019 03 17    10 26 48.7 -15 40 01   0.5731  1.5309   154.1    16.5    22.0
...
2019 04 01    10 02 16.8 -07 34 38   0.5963  1.5090   140.8    24.7    22.3

A. U. Tomatic                (C) Copyright 2019 MPC           M.P.E.C. 2019-E21



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