MPEC 2012-B53 : 2012 BT23
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M.P.E.C. 2012-B53 Issued 2012 Jan. 23, 12:54 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 BT23
Observations:
K12B23T* C2012 01 20.29248 08 35 56.32 -05 25 15.5 19.2 VrEB053703
K12B23T C2012 01 20.29753 08 35 55.93 -05 25 17.7 19.1 VrEB053703
K12B23T C2012 01 20.30267 08 35 55.50 -05 25 21.4 18.8 VrEB053703
K12B23T C2012 01 20.30780 08 35 54.96 -05 25 23.6 19.2 VrEB053703
K12B23T C2012 01 20.33227 08 35 52.87 -05 25 37.7 19.0 VrEB053703
K12B23T C2012 01 20.33929 08 35 52.22 -05 25 41.1 19.0 VrEB053703
K12B23T C2012 01 20.34633 08 35 51.68 -05 25 44.7 19.2 VrEB053703
K12B23T C2012 01 20.35343 08 35 51.00 -05 25 49.5 18.8 VrEB053703
K12B23T KC2012 01 20.37373708 35 48.98 -05 26 02.3 19.0 VrEB053H21
K12B23T KC2012 01 20.37638408 35 48.76 -05 26 03.8 19.0 VrEB053H21
K12B23T KC2012 01 20.37927208 35 48.49 -05 26 05.5 19.0 VrEB053H21
K12B23T `C2012 01 20.67561 08 35 24.65 -05 28 29.4 18.7 RuEB053D90
K12B23T `C2012 01 20.68451 08 35 23.82 -05 28 33.8 18.9 RuEB053D90
K12B23T `C2012 01 20.69343 08 35 23.05 -05 28 39.5 18.5 RuEB053D90
K12B23T |C2012 01 21.07039 08 34 52.91 -05 32 07.6 18.8 VoEB053807
K12B23T |C2012 01 21.07447 08 34 52.55 -05 32 09.8 19.1 VoEB053807
K12B23T |C2012 01 21.07862 08 34 52.19 -05 32 12.1 19.2 VoEB053807
K12B23T C2012 01 21.18550 08 34 43.17 -05 33 29.3 19.8 RoEB053G48
K12B23T C2012 01 21.18733 08 34 43.01 -05 33 30.8 20.0 RoEB053G48
K12B23T C2012 01 21.18905 08 34 42.87 -05 33 31.4 20.0 RoEB053G48
K12B23T C2012 01 21.24858 08 34 37.53 -05 34 04.4 18.9 VrEB053703
K12B23T C2012 01 21.25427 08 34 36.94 -05 34 07.6 19.1 VrEB053703
K12B23T C2012 01 21.26569 08 34 35.97 -05 34 12.0 rEB053703
K12B23T KC2012 01 22.05927 08 33 27.69 -05 41 01.1 18.7 VuEB053I20
K12B23T KC2012 01 22.07193 08 33 26.52 -05 41 07.8 18.9 VuEB053I20
K12B23T KC2012 01 22.08460 08 33 25.35 -05 41 14.5 18.9 VuEB053I20
K12B23T |C2012 01 22.12785 08 33 21.41 -05 41 38.5 19.1 VoEB053807
K12B23T |C2012 01 22.13107 08 33 21.11 -05 41 40.5 19.2 VoEB053807
K12B23T |C2012 01 22.13698 08 33 20.55 -05 41 43.7 19.2 VoEB053807
K12B23T |C2012 01 22.14305 08 33 19.98 -05 41 47.0 19.3 VoEB053807
K12B23T |C2012 01 22.14706 08 33 19.61 -05 41 48.9 19.1 VoEB053807
K12B23T C2012 01 22.98100 08 32 03.66 -05 49 28.0 rEB053C92
K12B23T |C2012 01 23.03239 08 31 59.89 -05 49 31.9 18.8 VoEB053807
K12B23T C2012 01 23.03300 08 31 58.57 -05 49 55.0 rEB053C92
K12B23T |C2012 01 23.03643 08 31 59.52 -05 49 33.8 19.0 VoEB053807
K12B23T |C2012 01 23.04048 08 31 59.12 -05 49 36.4 19.1 VoEB053807
K12B23T |C2012 01 23.04494 08 31 58.71 -05 49 38.5 19.1 VoEB053807
K12B23T |C2012 01 23.04949 08 31 58.28 -05 49 40.7 19.0 VoEB053807
K12B23T |C2012 01 23.05328 08 31 57.92 -05 49 42.7 18.8 VoEB053807
Observer details:
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.
807 Cerro Tololo. Observers R. Holmes, T. Linder, V. Hoette. Measurers
R. Holmes, T. Linder. 0.41-m f/11 Ritchey-Chretien + CCD.
C92 Valdicerro Observatory, Loreto. Observer M. Caimmi. 0.24-m f/6.5
Schmidt-Cassegrain + CCD.
D90 RAS Observatory, Moorook. Observer K. Hills. 0.41-m f/9 Ritchey-Chretien
+ CCD.
G48 Doc Greiner Research Obs., Rancho Hildalgo. Observer M. Mills. 0.40-m
f/10 Schmidt-Cassegrain + CCD.
H21 Astronomical Research Observatory, Westfield. Observer R. Holmes.
Measurers L. Buzzi, H. Devore, S. Foglia, T. Vorobjov. 0.61-m f/4.0
astrograph + CCD.
I20 Rio Cuarto. Observer F. D. Mazzone. 0.20-m f/4 Schmidt-Newtonian + CCD.
Orbital elements:
2012 BT23 PHA, Earth MOID = 0.0492 AU
Epoch 2012 Mar. 14.0 TT = JDT 2456000.5 MPC
M 346.04466 (2000.0) P Q
n 0.36171010 Peri. 43.04462 -0.70041014 +0.71370692
a 1.9508728 Node 182.52552 -0.69010929 -0.67966721
e 0.5944961 Incl. 9.05294 -0.18213951 -0.16933672
P 2.72 H 19.0 G 0.15 U 8
Residuals in seconds of arc
120120 703 0.3- 0.2- 120120 D90 0.0 0.4- 120122 807 0.1+ 0.2+
120120 703 0.4+ 0.4+ 120121 807 0.1+ 0.2- 120122 807 0.1+ 0.0
120120 703 0.6+ 0.4- 120121 807 0.1+ 0.1- 120122 807 0.1+ 0.1-
120120 703 0.8- 0.3+ 120121 807 0.2+ 0.1- 120122 807 0.1+ 0.1-
120120 703 0.2- 0.1- 120121 G48 0.2+ 0.3- 120122 807 0.3+ 0.1+
120120 703 0.7- 0.4+ 120121 G48 0.2+ 0.8- 120122 C92 0.0 0.2+
120120 703 0.4+ 0.8+ 120121 G48 0.4+ 0.4- 120123 807 0.3- 0.1-
120120 703 0.5- 0.0 120121 703 0.1- 0.4- 120123 C92 0.2+ 0.0
120120 H21 0.4+ 0.1- 120121 703 1.2- 0.5- 120123 807 0.1- 0.1+
120120 H21 0.5+ 0.1- 120121 703 0.2- 1.4+ 120123 807 0.3- 0.3-
120120 H21 0.1+ 0.2- 120122 I20 0.1- 0.0 120123 807 0.0 0.1-
120120 D90 0.4+ 0.1- 120122 I20 0.1- 0.1+ 120123 807 0.1+ 0.1+
120120 D90 0.2- 0.4+ 120122 I20 0.1+ 0.3+ 120123 807 0.2+ 0.1+
Ephemeris:
2012 BT23 a,e,i = 1.95, 0.59, 9 q = 0.7911
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2011 12 24 08 50 57.2 -00 22 36 0.8397 1.6772 133.7 25.1 20.9
...
2012 01 08 08 47 32.6 -03 16 37 0.6361 1.5503 145.6 21.0 20.0
...
2012 01 16 08 41 04.2 -04 42 59 0.5409 1.4804 151.1 18.7 19.5
...
2012 01 22 08 33 32.2 -05 40 38 0.4759 1.4271 154.0 17.6 19.1
2012 01 23 08 32 02.0 -05 49 23 0.4657 1.4182 154.3 17.5 19.0
2012 01 24 08 30 27.3 -05 57 51 0.4555 1.4093 154.5 17.5 19.0
...
2012 01 30 08 19 21.9 -06 41 32 0.3982 1.3552 154.5 18.3 18.6
...
2012 02 07 07 59 52.5 -07 15 00 0.3305 1.2826 149.8 22.7 18.2
...
2012 02 22 07 05 34.4 -06 16 38 0.2277 1.1466 129.2 42.0 17.7
A. U. Tomatic (C) Copyright 2012 MPC M.P.E.C. 2012-B53
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