[Iaude] MPEC B144: 2019 BF4 [a=2.40,e=0.56,i=4.7,H=23.0]

mpec at mpcdb1.cfa.harvard.edu mpec at mpcdb1.cfa.harvard.edu
Tue Jan 29 23:47:17 EST 2019


M.P.E.C. 2019-B144                               Issued 2019 Jan. 30, 04:43 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


                                   2019 BF4
 
Observations:
     K19B04F* C2019 01 27.22248 07 38 23.33 +11 50 12.4          20.7 GVEB144G96
     K19B04F  C2019 01 27.22761 07 38 23.27 +11 50 15.9          20.7 GVEB144G96
     K19B04F  C2019 01 27.23273 07 38 23.15 +11 50 19.1          20.9 GVEB144G96
     K19B04F HC2019 01 27.26776 07 38 22.64 +11 50 42.9          20.4 RoEB144691
     K19B04F HC2019 01 27.27670 07 38 22.53 +11 50 47.0          20.5 RoEB144691
     K19B04F HC2019 01 27.28565 07 38 22.36 +11 50 53.8          21.1 RoEB144691
     K19B04F  C2019 01 28.17066 07 38 22.55 +12 00 40.0                VEB144I52
     K19B04F  C2019 01 28.19755 07 38 22.17 +12 00 58.1                VEB144I52
     K19B04F IC2019 01 29.79495907 38 24.55 +12 20 07.1          20.4 GVEB144L01
     K19B04F KC2019 01 29.83203507 38 24.22 +12 20 35.9          20.4 GVEB144L01
     K19B04F KC2019 01 29.83515207 38 24.22 +12 20 38.8          20.6 GVEB144L01
 
Observer details:
691 Steward Observatory, Kitt Peak-Spacewatch.  Observer R. A. Mastaler.
    0.9-m f/3 reflector + CCD.
G96 Mt. Lemmon Survey.  Observer D. C. Fuls.  Measurers B. M. Africano,
    E. J. Christensen, G. A. Farneth, D. C. Fuls, A. R. Gibbs, A. D. Grauer,
    H. Groeller, R. A. Kowalski, S. M. Larson, G. J. Leonard, T. A. Pruyne,
    R. L. Seaman, F. C. Shelly.  1.5-m reflector + 10K CCD.
I52 Steward Observatory, Mt. Lemmon Station.  Observer H. Groeller.
    Measurers B. M. Africano, E. J. Christensen, G. A. Farneth, D. C. Fuls,
    A. R. Gibbs, A. D. Grauer, H. Groeller, R. A. Kowalski, S. M. Larson,
    G. J. Leonard, T. A. Pruyne, R. L. Seaman, F. C. Shelly.  1.0-m reflector
    + CCD.
L01 Visnjan Observatory, Tican.  Observer K. Korlevic.  1.0-m f/2.9 reflector
    + CCD.
 
Orbital elements:
2019 BF4                                                 Earth MOID = 0.0682 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5                 MPC
M  10.99355              (2000.0)            P               Q
n   0.26482900     Peri.   27.87649     -0.99451737     -0.09413996
a   2.4015540      Node   146.62567     +0.07373844     -0.94003902
e   0.5623039      Incl.    4.74743     +0.07414743     -0.32781749
P   3.72           H   23.0           G   0.15           U   9
Residuals in seconds of arc
190127 G96  0.2-  0.1-    190127 691  0.4+  0.9-    190129 L01  0.8+  0.2+
190127 G96  0.1+  0.1+    190127 691  0.0   0.1+    190129 L01  0.6-  0.3-
190127 G96  0.5-  0.0     190128 I52  0.5+  0.5+    190129 L01  0.3-  0.1+
190127 691  0.2-  0.8+    190128 I52  0.1-  0.5-

Ephemeris:
2019 BF4                 a,e,i = 2.40, 0.56, 5                   q = 1.0512
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2018 12 31    07 41 15.4 +10 28 51   0.4192  1.3856   160.5    13.7    22.6
...
2019 01 15    07 40 06.7 +10 29 30   0.3032  1.2826   169.2     8.3    21.5
...
2019 01 23    07 38 46.1 +11 11 50   0.2529  1.2321   167.2    10.2    21.1
...
2019 01 29    07 38 21.4 +12 10 38   0.2197  1.1968   163.1    13.8    20.9
2019 01 30    07 38 23.8 +12 23 08   0.2145  1.1912   162.4    14.5    20.9
2019 01 31    07 38 28.7 +12 36 28   0.2094  1.1857   161.6    15.2    20.8
...
2019 02 06    07 40 11.4 +14 16 06   0.1806  1.1542   156.7    19.7    20.6
...
2019 02 14    07 47 43.8 +17 32 07   0.1466  1.1176   150.7    25.6    20.2
...
2019 03 01    08 39 01.5 +28 22 14   0.09507 1.0689   143.8    33.2    19.4

A. U. Tomatic                (C) Copyright 2019 MPC           M.P.E.C. 2019-B144



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