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    • MPEC 2012-C50 : 2012 BJ134

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    M.P.E.C. 2012-C50                                Issued 2012 Feb. 14, 12:52 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 https://www.minorplanetcenter.net/    ISSN 1523-6714

                                  2012 BJ134

Observations:
     K12BD4J* C2012 01 19.48141 11 15 45.46 +03 33 07.0          20.4 VrEC050G96
     K12BD4J  C2012 01 19.48902 11 15 45.54 +03 33 10.1          20.4 VrEC050G96
     K12BD4J  C2012 01 19.49655 11 15 45.61 +03 33 14.0          20.5 VrEC050G96
     K12BD4J  C2012 01 19.50411 11 15 45.72 +03 33 16.9          20.4 VrEC050G96
     K12BD4J  C2012 01 27.46606 11 16 28.43 +04 52 56.0          20.1 VoEC050691
     K12BD4J  C2012 01 27.48394 11 16 28.28 +04 53 09.9          20.1 VoEC050691
     K12BD4J  C2012 01 27.50181 11 16 28.18 +04 53 23.8          20.1 VoEC050691
     K12BD4J  C2012 02 13.30288 11 07 18.14 +11 13 55.8          19.0 VoEC050691
     K12BD4J  C2012 02 13.32064 11 07 16.78 +11 14 34.7          18.9 VoEC050691
     K12BD4J  C2012 02 13.33840 11 07 15.38 +11 15 12.9          18.9 VoEC050691
     K12BD4J HC2012 02 13.42320 11 07 08.78 +11 18 16.7                oEC050291
     K12BD4J HC2012 02 13.42496 11 07 08.64 +11 18 20.5                oEC050291
     K12BD4J HC2012 02 13.42676 11 07 08.50 +11 18 24.4                oEC050291
     K12BD4J KC2012 02 13.84757 11 06 38.06 +11 33 47.9          17.9 RvEC050B18
     K12BD4J KC2012 02 13.84963 11 06 37.90 +11 33 52.5          18.2 RvEC050B18
     K12BD4J KC2012 02 13.85579 11 06 37.41 +11 34 06.2          17.8 RvEC050B18
     K12BD4J  C2012 02 13.96022 11 06 29.35 +11 37 59.1          17.1 RrEC050106
     K12BD4J  C2012 02 13.97038 11 06 28.54 +11 38 21.8          17.2 RrEC050106
     K12BD4J  C2012 02 13.98055 11 06 27.76 +11 38 44.6          17.5 RrEC050106
     K12BD4J  C2012 02 13.99072 11 06 26.91 +11 39 08.3          17.4 RrEC050106
     K12BD4J KC2012 02 14.35334511 05 58.42 +11 52 54.0          17.7 RuEC050H36
     K12BD4J KC2012 02 14.35655511 05 58.17 +11 53 01.5          17.8 RuEC050H36
     K12BD4J KC2012 02 14.36055811 05 57.83 +11 53 11.1          18.0 RuEC050H36
     K12BD4J KC2012 02 14.36739811 05 57.27 +11 53 26.3          17.8 RuEC050H36

Observer details:
106 Crni Vrh.  Observer S. Maticic.  0.6-m f/3.3 Deltagraph + CCD.
291 LPL/Spacewatch II.  Observer J. V. Scotti.  1.8-m f/2.7 reflector + CCD.
691 Steward Observatory, Kitt Peak.  Observers J. V. Scotti, T. H. Bressi.
    0.9-m f/3 reflector + CCD.
B18 Terskol.  Observers M. Andreev, A. Sergeev, N. Parakhin, V. Kozlov,
    N. Karpov.  Measurer M. Andreev.  0.6-m f/12.8 Cassegrain + CCD.
G96 Mt. Lemmon Survey.  Observer A. R. Gibbs.  Measurers J. D. Ahern,
    E. C. Beshore, A. Boattini, A. R. Gibbs, A. D. Grauer, R. E. Hill,
    R. A. Kowalski, S. M. Larson, R. H. McNaught.  1.5-m reflector + CCD.
H36 Sandlot Observatory, Scranton.  Observer G. Hug.  0.56-m reflector + CCD.

Orbital elements:
2012 BJ134                                               Earth MOID = 0.1470 AU
Epoch 2012 Mar. 14.0 TT = JDT 2456000.5                 MPC
M 345.32733              (2000.0)            P               Q
n   0.29073504     Peri.  136.88933     +0.24687075     +0.94845831
a   2.2566860      Node   145.93575     -0.95724660     +0.27058641
e   0.8341400      Incl.   20.77775     -0.15077722     -0.16495400
P   3.39           H   17.8           G   0.15           U   6
Residuals in seconds of arc
120119 G96  0.0   0.2+    120213 691  0.0   0.3+    120213 106  0.1+  0.3-
120119 G96  0.0   0.1-    120213 691  0.3-  0.0     120213 106  0.2+  0.5-
120119 G96  0.2-  0.4+    120213 291  0.1-  0.0     120213 106  0.8+  0.6-
120119 G96  0.2+  0.0     120213 291  0.1-  0.0     120213 106  0.4+  0.2+
120127 691  0.1+  0.1-    120213 291  0.1-  0.0     120214 H36  0.0   0.1-
120127 691  0.2-  0.1-    120213 B18  0.1+  0.1+    120214 H36  0.3+  0.0
120127 691  0.2+  0.0     120213 B18  0.2+  0.1+    120214 H36  0.3+  0.4+
120213 691  0.1-  0.1-    120213 B18  0.2+  0.0     120214 H36  0.5+  0.1-

Ephemeris:
2012 BJ134               a,e,i = 2.26, 0.83, 21                  q = 0.3743
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2012 01 15    11 14 26.7 +03 05 11   1.1362  1.8876   125.7    25.0    20.6
...
2012 01 30    11 16 10.3 +05 28 32   0.8289  1.7134   141.5    21.0    19.6
...
2012 02 07    11 12 59.9 +08 05 08   0.6792  1.6151   151.3    17.1    18.9
...
2012 02 13    11 07 39.3 +11 03 12   0.5751  1.5386   159.2    13.1    18.3
2012 02 14    11 06 26.1 +11 39 36   0.5586  1.5256   160.6    12.4    18.2
2012 02 15    11 05 06.1 +12 18 15   0.5423  1.5125   162.0    11.7    18.1
...
2012 02 21    10 54 14.2 +17 05 49   0.4500  1.4327   168.5     7.9    17.4
...
2012 02 29    10 27 58.6 +26 48 32   0.3458  1.3220   160.7    14.3    16.9
...
2012 03 15    07 49 00.4 +55 09 44   0.2434  1.1001   109.5    58.4    17.0

A. U. Tomatic                (C) Copyright 2012 MPC           M.P.E.C. 2012-C50

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