MPEC 2012-C08 : 2012 BC124
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M.P.E.C. 2012-C08 Issued 2012 Feb. 2, 00:41 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 BC124
Observations:
K12BC4C* C2012 01 30.24968 08 31 00.48 +49 31 04.4 19.1 VrEC008703
K12BC4C C2012 01 30.25532 08 30 57.99 +49 30 30.9 19.0 VrEC008703
K12BC4C C2012 01 30.26100 08 30 55.33 +49 29 59.1 18.9 VrEC008703
K12BC4C C2012 01 30.26672 08 30 52.52 +49 29 26.3 19.0 VrEC008703
K12BC4C C2012 01 30.28937 08 30 42.07 +49 27 13.6 18.3 RoEC008H01
K12BC4C C2012 01 30.29837 08 30 37.92 +49 26 20.9 18.7 RoEC008H01
K12BC4C C2012 01 30.30513 08 30 34.80 +49 25 41.2 18.3 RoEC008H01
K12BC4C C2012 01 30.31864 08 30 28.59 +49 24 22.0 18.5 RoEC008H01
K12BC4C C2012 01 30.32432 08 30 26.02 +49 23 52.0 18.6 VrEC008703
K12BC4C C2012 01 30.32513 08 30 25.66 +49 23 43.4 18.6 VrEC008703
K12BC4C C2012 01 30.32593 08 30 25.34 +49 23 40.1 19.1 VrEC008703
K12BC4C C2012 01 30.32673 08 30 24.94 +49 23 34.5 18.8 VrEC008703
K12BC4C C2012 01 30.35197 08 30 13.76 +49 21 02.9 18.6 rEC008718
K12BC4C C2012 01 30.35530 08 30 12.01 +49 20 42.2 18.7 rEC008718
K12BC4C C2012 01 30.35898 08 30 10.19 +49 20 21.4 18.4 rEC008718
K12BC4C C2012 01 30.53580 08 28 53.76 +49 02 57.2 19.2 RoEC008300
K12BC4C C2012 01 30.53810 08 28 52.73 +49 02 43.3 19.3 RoEC008300
K12BC4C C2012 01 30.54042 08 28 51.52 +49 02 29.4 19.4 RoEC008300
K12BC4C C2012 01 30.54272 08 28 50.57 +49 02 16.3 19.4 RoEC008300
K12BC4C KC2012 01 30.79115 08 27 01.54 +48 37 10.4 uEC008J95
K12BC4C KC2012 01 30.79408 08 27 00.35 +48 36 52.4 uEC008J95
K12BC4C KC2012 01 30.79432508 26 59.96 +48 36 56.4 18.4 VvEC008B03
K12BC4C KC2012 01 30.79696 08 26 58.98 +48 36 36.0 18.9 RuEC008J95
K12BC4C KC2012 01 30.80671108 26 54.47 +48 35 42.5 18.5 VvEC008B03
K12BC4C KC2012 01 30.81789708 26 49.45 +48 34 35.7 18.4 VvEC008B03
K12BC4C KC2012 01 30.82674708 26 45.49 +48 33 42.6 18.6 VvEC008B03
K12BC4C KC2012 01 30.83264808 26 42.82 +48 33 07.5 19.1 VvEC008B03
K12BC4C KC2012 01 30.86862 08 26 26.82 +48 29 30.3 18.8 VuEC008595
K12BC4C KC2012 01 30.88275 08 26 20.47 +48 28 05.9 19.0 VuEC008595
K12BC4C C2012 01 31.08904 08 24 51.71 +48 06 58.3 18.2 RoEC008H01
K12BC4C C2012 01 31.09867 08 24 47.48 +48 06 00.1 18.3 RoEC008H01
K12BC4C C2012 01 31.11057 08 24 42.22 +48 04 47.7 18.4 RoEC008H01
K12BC4C C2012 01 31.11513 08 24 40.21 +48 04 20.0 18.4 RoEC008H01
K12BC4C C2012 01 31.28382 08 23 25.16 +47 47 03.6 18.7 RcEC008854
K12BC4C C2012 01 31.28639 08 23 24.05 +47 46 48.1 18.6 RcEC008854
K12BC4C C2012 01 31.28896 08 23 22.84 +47 46 31.0 18.5 RcEC008854
K12BC4C C2012 01 31.52163 08 21 43.67 +47 22 04.3 19.0 VuEC008900
K12BC4C C2012 01 31.53233 08 21 38.95 +47 20 57.8 19.0 VuEC008900
K12BC4C C2012 01 31.54303 08 21 34.26 +47 19 50.1 19.1 VuEC008900
K12BC4C C2012 01 31.57218 08 21 21.24 +47 16 47.6 18.2 RmEC008355
K12BC4C C2012 01 31.57291 08 21 20.94 +47 16 42.1 18.3 RmEC008355
K12BC4C C2012 01 31.57866 08 21 18.34 +47 16 06.2 18.3 RmEC008355
K12BC4C KC2012 01 31.84715408 19 24.72 +46 47 16.1 19.0 VuEC008510
K12BC4C KC2012 01 31.86654308 19 16.31 +46 45 10.7 19.2 VuEC008510
K12BC4C KC2012 01 31.88593308 19 07.88 +46 43 06.7 19.4 VuEC008510
K12BC4C KC2012 01 31.89336 08 19 04.92 +46 42 17.6 uEC008J95
K12BC4C KC2012 01 31.89679 08 19 03.42 +46 41 55.8 uEC008J95
K12BC4C KC2012 01 31.89980 08 19 02.09 +46 41 36.5 18.4 RuEC008J95
K12BC4C KC2012 01 31.90532308 18 59.48 +46 41 02.3 18.9 VuEC008510
K12BC4C KC2012 01 31.92471108 18 51.05 +46 38 56.7 18.7 VuEC008510
K12BC4C C2012 02 01.19850 08 16 56.56 +46 09 14.3 18.8 VrEC008G96
K12BC4C C2012 02 01.19894 08 16 56.38 +46 09 11.5 18.7 VrEC008G96
K12BC4C C2012 02 01.19937 08 16 56.17 +46 09 08.6 18.7 VrEC008G96
K12BC4C C2012 02 01.19984 08 16 55.99 +46 09 05.6 18.7 VrEC008G96
K12BC4C KC2012 02 01.80425 08 12 45.68 +45 01 23.2 18.3 RuEC008970
K12BC4C KC2012 02 01.81835 08 12 39.85 +44 59 47.9 17.2 RuEC008970
K12BC4C KC2012 02 01.83053 08 12 34.73 +44 58 25.6 18.2 RuEC008970
K12BC4C KC2012 02 01.83865 08 12 31.38 +44 57 31.0 18.2 RuEC008970
K12BC4C KC2012 02 01.84393 08 12 29.16 +44 56 55.4 18.1 RuEC008970
K12BC4C KC2012 02 01.85860 08 12 23.11 +44 55 15.8 uEC008J95
K12BC4C KC2012 02 01.86207 08 12 21.64 +44 54 52.2 uEC008J95
K12BC4C KC2012 02 01.86585 08 12 20.09 +44 54 26.5 18.4 RuEC008J95
K12BC4C KC2012 02 01.87947 08 12 14.43 +44 52 53.3 oEC008J41
K12BC4C KC2012 02 01.88591 08 12 11.77 +44 52 09.3 oEC008J41
K12BC4C KC2012 02 01.89235 08 12 09.11 +44 51 26.1 18.6 VoEC008J41
K12BC4C KC2012 02 01.96561 08 11 38.37 +44 43 06.6 18.2 RuEC008970
K12BC4C KC2012 02 01.97579 08 11 34.06 +44 41 57.3 18.1 RuEC008970
Observer details:
300 Bisei Spaceguard Center--BATTeRS. Observers K. Nishiyama, S. Okumura.
1.0-m f/3.0 reflector + CCD.
355 Hadano. Observer A. Asami. 0.28-m f/5.0 reflector + CCD.
510 Siegen. Observer H. Bill. 0.43-m f/6.8 reflector + CCD.
595 Farra d'Isonzo. Observer E. Pettarin. 0.40-m f/4.5 reflector + CCD.
703 Catalina Sky Survey. Observer A. Boattini. 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.
718 Wiggins Observatory, Tooele. Observer P. Wiggins. 0.35-m f/5.5
Schmidt-Cassegrain + CCD.
854 Sabino Canyon Observatory, Tucson. Observer J. E. McGaha. 0.36-m f/10.0
Schmidt-Cassegrain + CCD.
900 Moriyama. Observer Y. Ikari. 0.26-m f/7.0 reflector + CCD.
970 Chelmsford. Observer N. James. 0.28-m f/10 Schmidt-Cassegrain + CCD.
B03 Alter Satzberg, Vienna. Observer M. Pietschnig. 0.35-m f/5.8
Schmidt-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.
H01 Magdalena Ridge Observatory, Socorro. Observers W. H. Ryan, E. V. Ryan.
Measurer W. H. Ryan. 2.4-m f/8.9 reflector + CCD.
J41 Raheny. Observer D. Grennan. 0.36-m f/4.9 Schmidt-Cassegrain + CCD.
J95 Great Shefford. Observer P. Birtwhistle. 0.40-m f/6.0 Schmidt-Cassegrain
+ CCD.
Orbital elements:
2012 BC124 Earth MOID = 0.2379 AU
Epoch 2012 Mar. 14.0 TT = JDT 2456000.5 MPC
M 2.33299 (2000.0) P Q
n 0.30359704 Peri. 200.74283 -0.85064321 -0.24816253
a 2.1924904 Node 315.04090 +0.52512254 -0.44387963
e 0.4514336 Incl. 40.99096 -0.02554293 -0.86103788
P 3.25 H 19.8 G 0.15 U 8
Residuals in seconds of arc
120130 703 0.7- 0.5- 120130 B03 0.1+ 0.2+ 120131 J95 0.0 0.0
120130 703 0.4+ 1.3- 120130 B03 0.1- 0.3+ 120131 J95 0.3- 0.1+
120130 703 0.0 0.1- 120130 B03 0.1- 0.3+ 120131 510 0.1+ 0.2+
120130 703 1.7- 0.3+ 120130 B03 0.3- 0.6+ 120131 510 0.0 0.3-
120130 H01 0.2- 0.3+ 120130 595 0.2- 0.8- 120201 G96 0.2- 0.3-
120130 H01 0.1- 0.2+ 120130 595 0.2- 0.0 120201 G96 0.1- 0.3-
120130 H01 0.2- 0.1+ 120131 H01 0.5- 0.2+ 120201 G96 0.3- 0.4-
120130 H01 0.0 0.2+ 120131 H01 0.4- 0.4+ 120201 G96 0.1- 0.3-
120130 703 0.9- 2.7+ 120131 H01 0.5- 0.2+ 120201 970 0.0 0.1+
120130 703 0.8- 1.1- 120131 H01 0.4- 0.2+ 120201 970 0.3+ 0.2-
120130 703 0.3- 0.3+ 120131 854 0.0 0.3+ 120201 970 0.3- 0.2-
120130 703 0.6- 0.6- 120131 854 0.4+ 0.8+ 120201 970 0.1+ 0.0
120130 718 2.4+ 0.3+ 120131 854 0.2- 0.3- 120201 970 0.2- 0.1+
120130 718 0.3+ 0.7- 120131 900 0.3- 0.8- 120201 J95 0.0 0.0
120130 718 1.0- 0.2+ 120131 900 0.2- 0.1- 120201 J95 0.2- 0.1-
120130 300 0.4+ 0.3+ 120131 900 0.3+ 0.6- 120201 J95 0.1+ 0.2-
120130 300 0.6+ 0.1- 120131 355 0.4+ 0.8+ 120201 J41 0.4- 0.5+
120130 300 0.9- 0.3- 120131 355 0.7+ 0.1- 120201 J41 0.1- 0.2+
120130 300 0.0 0.1+ 120131 355 0.1+ 0.4+ 120201 J41 0.2+ 0.8+
120130 J95 0.0 0.0 120131 510 0.2+ 0.4+ 120201 970 0.5+ 0.2+
120130 J95 1.1+ 0.5- 120131 510 0.1+ 0.8- 120201 970 0.0 0.8+
120130 B03 0.3- 0.0 120131 510 0.0 0.3-
120130 J95 0.1+ 0.3+ 120131 J95 0.1+ 0.2-
Ephemeris:
2012 BC124 a,e,i = 2.19, 0.45, 41 q = 1.2027
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2012 01 03 11 25 51.3 +64 52 13 0.5804 1.3671 119.7 38.7 20.8
...
2012 01 18 10 07 36.7 +61 47 27 0.4147 1.3030 133.1 33.4 19.9
...
2012 01 26 09 04 10.9 +55 24 59 0.3416 1.2740 143.0 27.7 19.2
...
2012 02 01 08 18 19.1 +46 30 55 0.3014 1.2551 149.9 23.2 18.8
2012 02 02 08 11 24.5 +44 39 19 0.2964 1.2522 150.7 22.7 18.7
2012 02 03 08 04 45.8 +42 41 43 0.2919 1.2493 151.3 22.3 18.7
...
2012 02 09 07 30 48.0 +29 19 22 0.2778 1.2340 149.5 23.9 18.6
...
2012 02 17 07 00 24.3 +10 39 51 0.2946 1.2180 136.3 34.1 19.0
...
2012 03 03 06 35 25.2 -13 31 38 0.4034 1.2032 112.2 49.7 20.1
A. U. Tomatic (C) Copyright 2012 MPC M.P.E.C. 2012-C08
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