[Iaude] MPEC B23: 2011 BM45 [a=1.92,e=0.80,i=5.3,H=21.6,PHA]

mpec at mpcdb1.cfa.harvard.edu mpec at mpcdb1.cfa.harvard.edu
Thu Jan 17 06:53:17 EST 2019


M.P.E.C. 2019-B23                                Issued 2019 Jan. 17, 11:50 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


                                   2011 BM45
 
                           Revision to MPEC 2011-C09
 
Additional Observations:
     K11B45M  C2019 01 15.52547 11 20 13.364+01 41 45.52         21.5 wUEB023F51
     K11B45M  C2019 01 15.53786 11 20 09.507+01 42 02.75         21.5 wUEB023F51
     K11B45M KC2019 01 16.22236311 16 42.16 +01 58 06.1          21.1 GVEB023W87
     K11B45M KC2019 01 16.22829511 16 40.33 +01 58 14.3          20.8 GVEB023W87
     K11B45M KC2019 01 16.23523411 16 38.20 +01 58 23.9          21.0 GVEB023W87
 
Observer details:
F51 Pan-STARRS 1, Haleakala.  Observers J. Bulger, T. Lowe, A. Schultz,
    M. Willman.  Measurers K. Chambers, S. Chastel, L. Denneau, J. Fairlamb,
    H. Flewelling, M. Huber, C.-C. Lin, E. Magnier, Y. Ramanjooloo,
    R. Wainscoat, R. Weryk.  1.8-m Ritchey-Chretien + CCD.
W87 Cerro Tololo-LCO C.  Observers T. Lister, J. Chatelain, E. Gomez,
    S. Greenstreet.  Measurer T. Lister.  1.0-m f/8.0 Ritchey-Chretien + CCD.
 
First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
190115 F51 15.8+ 32.0+    190116 W87  9.3- 40.4+    MPO194135   +0.15 day
 
Orbital elements:
2011 BM45                                           PHA, Earth MOID = 0.0071 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5                 MPC
M  61.12750              (2000.0)            P               Q
n   0.37001021     Peri.   63.16923     +0.99223031     -0.09655184
a   1.9215879      Node   302.27662     +0.05224511     +0.89572427
e   0.8030624      Incl.    5.32502     +0.11291354     +0.43399974
P   2.66           H   21.6           G   0.15           U   3
Residuals in seconds of arc
110130 F51  0.2-  0.0     110203 F51  0.0   0.2+    110209 291  0.1+  0.5-
110130 F51  0.2-  0.0     110206 291  0.2-  0.3+    110209 291  0.4-  0.1-
110130 F51  0.3-  0.1+    110206 291  0.9-  0.0     110209 291  0.0   0.1-
110130 F51  0.8+  0.5-    110206 291  0.3-  0.1+    110212 291  0.4+  0.5+
110131 H21  0.2-  0.4-    110207 G96  0.3-  0.1-    110212 291  0.5+  0.4-
110131 H21  0.2-  0.3-    110207 G96  0.0   0.2-    110213 291  0.1+  0.2+
110131 H21  0.2-  0.1-    110207 291  0.4-  0.1-    110213 291  1.3-  0.1+
110131 H21  0.6+  0.1+    110207 291  0.3-  0.2+    110213 291  0.1+  0.3-
110201 568  0.1+  0.0     110207 G96  0.1-  0.3-    110310 H01  0.2+  0.3-
110201 568  0.0   0.0     110207 291  0.3+  0.3-    110310 H01  0.3+  0.4-
110201 568  0.0   0.1+    110207 G96  0.1-  0.1+    110310 H01  0.3+  0.3-
110202 F51  0.2+  0.2-    110207 G58  0.6-  0.8-    110310 H01  0.5+  0.2-
110202 F51  0.0   0.1-    110207 G58  0.5+  0.4-    190115 F51  0.0   0.0
110202 F51  0.0   0.2-    110207 G58  0.2-  0.1-    190115 F51  0.0   0.1+
110203 F51  0.0   0.2-    110207 568  0.0   0.1+    190116 W87  0.2-  0.0
110203 F51  0.5+  0.3-    110207 568  0.0   0.0     190116 W87  0.2-  0.0
110203 F51  0.1+  0.1+    110207 568  0.0   0.0     190116 W87  0.0   0.1-

Ephemeris:
2011 BM45                a,e,i = 1.92, 0.80, 5                   q = 0.3784
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2018 12 18    13 39 43.8 -07 48 37   0.4077  0.8550    59.8    95.8    22.7
...
2019 01 02    12 27 28.2 -03 10 50   0.4095  1.0877    93.5    64.5    22.1
...
2019 01 10    11 48 07.7 -00 23 14   0.4190  1.2033   111.7    49.4    22.0
...
2019 01 16    11 17 49.1 +01 52 47   0.4342  1.2862   125.7    38.4    21.9
2019 01 17    11 12 45.9 +02 15 51   0.4376  1.2998   128.0    36.6    21.9
2019 01 18    11 07 43.7 +02 38 55   0.4413  1.3132   130.3    34.8    21.9
...
2019 01 24    10 38 11.1 +04 55 08   0.4698  1.3921   144.0    24.5    21.8
...
2019 02 01    10 02 19.5 +07 39 57   0.5262  1.4931   161.2    12.3    21.8
...
2019 02 16    09 12 37.6 +11 22 52   0.6894  1.6701   169.3     6.3    22.4

A. U. Tomatic                (C) Copyright 2019 MPC           M.P.E.C. 2019-B23



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