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MPEC 2012-B26 : 2012 BJ11

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M.P.E.C. 2012-B26                                Issued 2012 Jan. 20, 21:22 UT

     The Minor Planet Electronic Circulars contain information on unusual
         minor planets and routine data on comets.  They are published
   on behalf of Commission 20 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 http://www.minorplanetcenter.net/    ISSN 1523-6714

                                   2012 BJ11

Observations:
     K12B11J* C2012 01 19.31025 07 23 38.04 +58 50 29.7          19.4 VrEB026703
     K12B11J  C2012 01 19.32301 07 23 40.48 +58 51 19.0          19.2 VrEB026703
     K12B11J  C2012 01 19.32931 07 23 41.56 +58 51 41.9          19.3 VrEB026703
     K12B11J mC2012 01 19.37630 07 23 50.58 +58 54 39.6                oEB026291
     K12B11J mC2012 01 19.37748 07 23 50.83 +58 54 44.1                oEB026291
     K12B11J mC2012 01 19.37921 07 23 51.16 +58 54 50.6                oEB026291
     K12B11J  C2012 01 19.38448 07 23 52.04 +58 55 08.6          18.6 VrEB026703
     K12B11J  C2012 01 19.38825 07 23 52.76 +58 55 23.4          18.4 VrEB026703
     K12B11J  C2012 01 19.39199 07 23 53.55 +58 55 35.9          18.3 VrEB026703
     K12B11J  C2012 01 19.39575 07 23 54.31 +58 55 50.6          18.6 VrEB026703
     K12B11J KC2012 01 19.94951 07 26 13.03 +59 31 30.9                oEB026J41
     K12B11J KC2012 01 19.95919 07 26 15.08 +59 32 08.9                oEB026J41
     K12B11J KC2012 01 19.96690 07 26 16.97 +59 32 40.1          18.6 VoEB026J41
     K12B11J  C2012 01 20.16484 07 27 10.32 +59 45 43.6          18.7 RoEB026G48
     K12B11J  C2012 01 20.16579 07 27 10.49 +59 45 49.0          19.1 RoEB026G48
     K12B11J  C2012 01 20.16672 07 27 10.73 +59 45 51.9          19.0 RoEB026G48
     K12B11J  C2012 01 20.26493 07 27 31.75 +59 52 26.9          19.0 RcEB026854
     K12B11J  C2012 01 20.26945 07 27 32.72 +59 52 45.6          18.9 RcEB026854
     K12B11J  C2012 01 20.36618 07 27 52.95 +59 58 57.2          19.2 VrEB026703
     K12B11J  C2012 01 20.36878 07 27 53.51 +59 59 06.9          19.2 VrEB026703
     K12B11J  C2012 01 20.37142 07 27 54.01 +59 59 16.6          19.1 VrEB026703
     K12B11J  C2012 01 20.37405 07 27 54.62 +59 59 26.9          19.2 VrEB026703

Observer details:
291 LPL/Spacewatch II.  Observer R. S. McMillan.  1.8-m f/2.7 reflector + CCD.
703 Catalina Sky Survey.  Observer R. E. Hill.  Measurers J. D. Ahern,
    E. C. Beshore, A. Boattini, G. J. Garradd, A. R. Gibbs, P. Tricarico,
    A. D. Grauer, R. E. Hill, R. A. Kowalski, S. M. Larson, R. H. McNaught.
    0.68-m Schmidt + CCD.
854 Sabino Canyon Observatory, Tucson.  Observer J. E. McGaha.  0.36-m f/10.0
    Schmidt-Cassegrain + CCD.
G48 Doc Greiner Research Obs., Rancho Hildalgo.  Observer M. Mills.  0.40-m
    f/10 Schmidt-Cassegrain + CCD.
J41 Raheny.  Observer D. Grennan.  0.36-m f/4.9 Schmidt-Cassegrain + CCD.

Orbital elements:
2012 BJ11                                                Earth MOID = 0.0971 AU
Epoch 2012 Mar. 14.0 TT = JDT 2456000.5                 MPC
M   9.07937              (2000.0)            P               Q
n   0.43498249     Peri.   90.05492     -0.89185013     -0.44531464
a   1.7251288      Node    63.50182     +0.37167876     -0.82145591
e   0.4043901      Incl.    5.08750     +0.25779498     -0.35623737
P   2.27           H   21.9           G   0.15           U   8
Residuals in seconds of arc
120119 703  0.4-  0.4+    120119 703  0.0   1.1-    120120 854  0.3+  0.2-
120119 703  0.2+  0.9+    120119 703  0.2+  0.3-    120120 854  0.5+  0.6+
120119 703  0.5-  0.2-    120119 J41  0.1-  0.3-    120120 703  0.1+  0.1-
120119 291  0.0   0.0     120119 J41  0.3-  0.6-    120120 703  0.1+  0.2-
120119 291  0.2+  0.1+    120119 J41  1.5+  0.1+    120120 703  0.5-  0.4-
120119 291  0.1+  0.1+    120120 G48  0.3-  0.4-    120120 703  0.2-  0.1+
120119 703  0.4-  0.6-    120120 G48  0.6-  1.1+
120119 703  0.5-  0.2+    120120 G48  0.3-  0.2+

Ephemeris:
2012 BJ11                a,e,i = 1.73, 0.40, 5                   q = 1.0275
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2011 12 21    06 44 13.2 +34 51 25   0.2415  1.2179   164.2    12.7    20.0
...
2012 01 05    06 54 23.5 +45 01 17   0.1734  1.1456   157.7    19.0    19.4
...
2012 01 13    07 05 52.3 +52 17 24   0.1472  1.1121   148.8    27.2    19.2
...
2012 01 19    07 22 28.7 +58 29 55   0.1317  1.0899   141.4    34.3    19.1
2012 01 20    07 26 23.7 +59 34 39   0.1294  1.0865   140.1    35.5    19.1
2012 01 21    07 30 45.7 +60 39 49   0.1272  1.0831   138.9    36.7    19.1
...
2012 01 27    08 10 26.9 +67 07 36   0.1159  1.0649   131.4    43.9    19.0
...
2012 02 04    10 08 31.3 +73 30 21   0.1053  1.0458   122.4    52.8    19.0
...
2012 02 19    14 27 57.1 +63 30 46   0.09806 1.0280   111.3    63.6    19.2

A. U. Tomatic                (C) Copyright 2012 MPC           M.P.E.C. 2012-B26

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