MPEC 2012-D36 : 2012 DM4
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M.P.E.C. 2012-D36 Issued 2012 Feb. 20, 23:01 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 DM4
Observations:
K12D04M* C2012 02 19.37053 10 18 55.72 +16 01 56.0 19.5 VrED036703
K12D04M C2012 02 19.37226 10 18 56.66 +16 02 09.1 19.6 VrED036703
K12D04M C2012 02 19.37395 10 18 57.67 +16 02 21.8 18.8 VrED036703
K12D04M C2012 02 19.37562 10 18 58.53 +16 02 35.9 18.7 VrED036703
K12D04M C2012 02 19.44327 10 19 36.21 +16 11 33.3 19.9 VrED036703
K12D04M C2012 02 19.44615 10 19 37.81 +16 11 53.4 19.1 VrED036703
K12D04M C2012 02 19.59968 10 21 14.42 +16 32 16.6 19.4 RoED036300
K12D04M C2012 02 19.60456 10 21 17.10 +16 32 56.0 19.5 RoED036300
K12D04M C2012 02 19.60618 10 21 18.07 +16 33 09.3 19.4 RoED036300
K12D04M C2012 02 19.60780 10 21 18.89 +16 33 22.1 19.2 RoED036300
K12D04M KC2012 02 19.74904 10 22 44.36 +16 51 25.8 18.8 RvED036B18
K12D04M KC2012 02 19.75324 10 22 46.76 +16 51 58.6 18.7 RvED036B18
K12D04M KC2012 02 19.75745 10 22 49.11 +16 52 32.7 18.8 RvED036B18
K12D04M KC2012 02 19.86373 10 23 50.69 +17 06 05.7 19.3 RuED036J95
K12D04M KC2012 02 19.86777 10 23 52.94 +17 06 37.8 18.9 RuED036J95
K12D04M KC2012 02 19.87047 10 23 54.49 +17 06 58.7 18.5 RuED036J95
K12D04M KC2012 02 19.92766 10 24 26.82 +17 14 36.8 18.7 VvED036I93
K12D04M KC2012 02 19.93630 10 24 31.54 +17 15 43.6 19.1 VvED036I93
K12D04M KC2012 02 19.94540 10 24 36.50 +17 16 54.1 19.0 VvED036I93
K12D04M KC2012 02 20.18339 10 26 56.78 +17 47 15.3 19.3 VoED036G51
K12D04M KC2012 02 20.18808 10 26 59.37 +17 47 51.4 19.8 VoED036G51
K12D04M KC2012 02 20.27676410 27 44.56 +17 59 03.8 19.7 VrED036H21
K12D04M KC2012 02 20.28064810 27 46.64 +17 59 33.4 19.4 VrED036H21
K12D04M KC2012 02 20.28329510 27 48.06 +17 59 53.0 19.5 VrED036H21
K12D04M C2012 02 20.37496 10 28 39.25 +18 11 29.2 20.2 VrED036703
K12D04M C2012 02 20.37598 10 28 39.85 +18 11 37.4 19.8 VrED036703
K12D04M C2012 02 20.37650 10 28 40.01 +18 11 40.9 20.5 VrED036703
K12D04M KC2012 02 20.92188 10 33 48.74 +19 17 38.3 19.0 RvED036B18
K12D04M KC2012 02 20.92397 10 33 49.87 +19 17 53.7 19.0 RvED036B18
K12D04M KC2012 02 20.92607 10 33 50.99 +19 18 08.4 19.5 RvED036B18
Observer details:
300 Bisei Spaceguard Center--BATTeRS. Observers A. Asami, N. Hashimoto.
1.0-m f/3.0 reflector + CCD.
703 Catalina Sky Survey. Observer A. R. Gibbs. 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.
B18 Terskol. Observers M. Andreev, A. Sergeev, N. Parakhin, V. Kozlov,
N. Karpov. Measurer M. Andreev. 0.6-m f/12.8 Cassegrain + CCD.
G51 Byrne Observatory, Sedgwick Reserve. Observer B. J. Fulton. Measurer
T. Lister. 0.8-m f/8 Ritchey-Chretien + 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.
I93 St Pardon de Conques. Observer F. Losse. 0.40-m f/5.0 reflector + CCD.
J95 Great Shefford. Observer P. Birtwhistle. 0.40-m f/6.0 Schmidt-Cassegrain
+ CCD.
Orbital elements:
2012 DM4 Earth MOID = 0.0741 AU
Epoch 2012 Mar. 14.0 TT = JDT 2456000.5 MPC
M 15.12698 (2000.0) P Q
n 0.36425974 Peri. 342.24574 -0.65318068 -0.74842861
a 1.9417587 Node 148.24365 +0.71851583 -0.66052369
e 0.4591452 Incl. 12.61366 +0.23893513 -0.05969145
P 2.71 H 24.2 G 0.15 U 7
Residuals in seconds of arc
120219 703 0.2- 0.3+ 120219 B18 0.6- 0.5- 120220 G51 0.2- 0.1-
120219 703 0.5- 0.4- 120219 B18 0.1- 1.0- 120220 H21 0.2+ 0.4-
120219 703 0.6+ 1.2- 120219 B18 0.4- 0.2- 120220 H21 0.1+ 0.1+
120219 703 0.4- 0.4- 120219 J95 0.1+ 0.2- 120220 H21 0.1+ 0.1-
120219 703 0.4- 0.8+ 120219 J95 0.4- 0.3+ 120220 703 0.1- 0.5-
120219 703 0.6- 1.8- 120219 J95 0.0 0.0 120220 703 0.8+ 0.2+
120219 300 0.8+ 0.3+ 120219 I93 0.4+ 0.6+ 120220 703 0.9- 0.2-
120219 300 0.7+ 1.0+ 120219 I93 0.2- 0.2+ 120220 B18 0.3- 0.2-
120219 300 1.9+ 1.4+ 120219 I93 0.9- 0.0 120220 B18 0.2+ 0.3+
120219 300 0.9+ 1.4+ 120220 G51 0.0 0.1- 120220 B18 0.5+ 0.1+
Ephemeris:
2012 DM4 a,e,i = 1.94, 0.46, 13 q = 1.0502
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2012 01 21 06 13 40.8 -34 15 49 0.1383 1.0582 119.1 54.4 22.0
...
2012 02 05 07 48 13.9 -19 58 22 0.08502 1.0509 138.4 38.5 20.5
...
2012 02 13 09 11 08.6 -00 33 24 0.07391 1.0583 163.7 15.2 19.5
...
2012 02 19 10 15 16.4 +15 12 10 0.08062 1.0688 175.9 3.8 19.2
2012 02 20 10 25 05.3 +17 24 38 0.08295 1.0710 172.9 6.5 19.4
2012 02 21 10 34 32.4 +19 27 30 0.08557 1.0732 170.2 9.0 19.6
...
2012 02 27 11 22 40.8 +28 30 16 0.1062 1.0891 157.5 20.4 20.5
...
2012 03 06 12 05 10.8 +34 17 38 0.1424 1.1158 148.4 27.8 21.4
...
2012 03 21 12 42 09.5 +36 40 20 0.2239 1.1805 141.9 31.3 22.6
A. U. Tomatic (C) Copyright 2012 MPC M.P.E.C. 2012-D36
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